Quaternary International最新文献_第10页

Excavations at Kovrizhka IV site and its bearing on research of the Late Upper Paleolithic and human adaptation to the environment of last glacial maximum in Baikal-Patom Highlands, Siberia 西伯利亚贝加尔湖-帕托姆高原科夫里日卡四号遗址的发掘及其对晚期上旧石器时代晚期和人类适应末次盛冰期环境研究的意义

IF 1.8 3区地球科学 Q3 GEOGRAPHY, PHYSICAL

Quaternary International

Pub Date : 2025-10-30 Epub Date: 2025-09-20 DOI: 10.1016/j.quaint.2025.109970

Аleksei V. Tetenkin

The archaeological assemblages of the Kovrizhka IV site, 19–18 ka BP, allows for the reconstruction of a set of cultural traditions of the inhabitants of the early phase of the Late Upper Paleolithic – the end of the Last Glacial Maximum detailed in such aspects as lithic processing, food supply, construction of dwellings and hearths, mobility, and symbolic activity. Kovrizhka IV has been identified as a series of seasonal residential camps on the beach line near a cliff of a rocky cape protruding into the Vitim River. Remains of dwellings were excavated in cultural horizons 6, 3 B, 3/2, 2G and remains of a hearth feature in cultural horizon 2 B. In two cases, the living area colored or sprinkled with ochre pieces. In summary, the existing data characterize a stable, reproductively successful lifestyle in terms of adaptation and survival to the conditions of the LGM lasting approximately 500 years. The lithic processing techniques documented in the contexts of the production of microblades, macroblades, coarse prismatic blades, flakes, facial finishing of bifaces and unifaces, and judging by the graphite pendant, grinding and drilling techniques. The Yubetsu technique of microblade pressure knapping was known to the people at Kovrizhka IV, but another technique, called the Kovrizhka method, much more opportunistic in terms of blank choice and core rotation, was dominant. The rest of the lithic production at Kovrizhka IV demonstrates the cumulative nature of the preservation of traditions dating back to the Early Upper Paleolithic (macroblades), and the Middle Upper Paleolithic (coarse prismatic blades) of Siberia. The main corresponding cultures are identified as the Studenoye culture of the LUP in southern Transbaikalia and the Dyuktai culture of Yakutia. In general, the lithic industry, and especially the technique of pressure knapping microblades, is characterized as a demonstrable continuity from Kovrizhka IV to sites of the Final MIS-2 of the Baikal-Patom Highlands such as Bolshoi Yakor I, Avdeikha, and Kovrizhka III. This culture is portrayed as a local adaptive set, contributing to the general ideas about the culture of the early LUP of Northeast Asia. In terms of dwelling features, toolkits, microblade production, and anthropomorphic figurines, Kovrizhka IV is unique for the whole of North Baikal Siberia, and makes a significant contribution to the general panorama of late Upper Paleolithic Northeast Asia.

19-18 ka BP的Kovrizhka IV遗址的考古组合，允许重建一套旧石器时代晚期晚期早期居民的文化传统-末次冰期末期，详细介绍了诸如石器加工，食物供应，住宅和壁炉的建造，流动性和象征性活动等方面。Kovrizhka IV被确定为一系列季节性住宅营地，位于海滩线上，靠近一个岩石海角的悬崖，突出到Vitim河。在文化层6、3 B、3/2、2 g出土了民居遗迹，在文化层2 B出土了壁炉遗迹。在两个案例中，生活区被涂上或撒上了赭石碎片。总之，现有资料表明，在适应和生存LGM条件方面，这种稳定、繁殖成功的生活方式持续了大约500年。岩屑加工技术记录在微刀片、大刀片、粗棱柱刀片、薄片、双面和单面的表面加工以及通过石墨垂饰、研磨和钻孔技术来判断的背景下。Yubetsu的微刃压击技术为科夫里日卡四号的人所熟知，但另一种技术，被称为科夫里日卡方法，在空白选择和核心旋转方面更加机会主义，占主导地位。科夫里日卡4号的其他石器生产表明，保存传统的累积性质可以追溯到西伯利亚旧石器时代早期（大刀片）和旧石器时代中期（粗棱柱刀片）。主要的相应文化被确定为外贝加尔南部LUP的Studenoye文化和雅库特的Dyuktai文化。总的来说，岩屑工业，特别是压扣微叶片技术，具有明显的连续性，从科夫里日卡IV到贝加尔湖-帕托姆高原的最终MIS-2遗址，如Bolshoi Yakor I， Avdeikha和科夫里日卡III。这种文化被描绘成一种本地适应性的集合，有助于对东北亚早期LUP文化的总体看法。就居住特征、工具箱、微刀片生产和拟人化雕像而言，科夫里日卡四号在整个北贝加尔湖西伯利亚地区是独一无二的，对旧石器时代晚期晚期东北亚的总体概况做出了重大贡献。

{"title":"Excavations at Kovrizhka IV site and its bearing on research of the Late Upper Paleolithic and human adaptation to the environment of last glacial maximum in Baikal-Patom Highlands, Siberia","authors":"Аleksei V. Tetenkin","doi":"10.1016/j.quaint.2025.109970","DOIUrl":"10.1016/j.quaint.2025.109970","url":null,"abstract":"<div><div>The archaeological assemblages of the Kovrizhka IV site, 19–18 ka BP, allows for the reconstruction of a set of cultural traditions of the inhabitants of the early phase of the Late Upper Paleolithic – the end of the Last Glacial Maximum detailed in such aspects as lithic processing, food supply, construction of dwellings and hearths, mobility, and symbolic activity. Kovrizhka IV has been identified as a series of seasonal residential camps on the beach line near a cliff of a rocky cape protruding into the Vitim River. Remains of dwellings were excavated in cultural horizons 6, 3 B, 3/2, 2G and remains of a hearth feature in cultural horizon 2 B. In two cases, the living area colored or sprinkled with ochre pieces. In summary, the existing data characterize a stable, reproductively successful lifestyle in terms of adaptation and survival to the conditions of the LGM lasting approximately 500 years. The lithic processing techniques documented in the contexts of the production of microblades, macroblades, coarse prismatic blades, flakes, facial finishing of bifaces and unifaces, and judging by the graphite pendant, grinding and drilling techniques. The Yubetsu technique of microblade pressure knapping was known to the people at Kovrizhka IV, but another technique, called the Kovrizhka method, much more opportunistic in terms of blank choice and core rotation, was dominant. The rest of the lithic production at Kovrizhka IV demonstrates the cumulative nature of the preservation of traditions dating back to the Early Upper Paleolithic (macroblades), and the Middle Upper Paleolithic (coarse prismatic blades) of Siberia. The main corresponding cultures are identified as the Studenoye culture of the LUP in southern Transbaikalia and the Dyuktai culture of Yakutia. In general, the lithic industry, and especially the technique of pressure knapping microblades, is characterized as a demonstrable continuity from Kovrizhka IV to sites of the Final MIS-2 of the Baikal-Patom Highlands such as Bolshoi Yakor I, Avdeikha, and Kovrizhka III. This culture is portrayed as a local adaptive set, contributing to the general ideas about the culture of the early LUP of Northeast Asia. In terms of dwelling features, toolkits, microblade production, and anthropomorphic figurines, Kovrizhka IV is unique for the whole of North Baikal Siberia, and makes a significant contribution to the general panorama of late Upper Paleolithic Northeast Asia.</div></div>","PeriodicalId":49644,"journal":{"name":"Quaternary International","volume":"748 ","pages":"Article 109970"},"PeriodicalIF":1.8,"publicationDate":"2025-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145106999","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Loess provenance in the westernmost part of the lower Danube Basin, Serbia: Geochemical insights from the Velika Vrbica fluvial–eolian section 塞尔维亚多瑙河下游盆地最西端的黄土物源：来自Velika Vrbica河流-风成剖面的地球化学见解

IF 1.8 3区地球科学 Q3 GEOGRAPHY, PHYSICAL

Quaternary International

Pub Date : 2025-10-30 Epub Date: 2025-09-08 DOI: 10.1016/j.quaint.2025.109969

Petar Krsmanović , Zoran M. Perić , Warren Thompson , Milica G. Radaković , Cathal S. Ryan , Randall J. Schaetzl , Qingzhen Hao , Tin Lukić , Helena Alexanderson , Slobodan B. Marković

Our study examined the chemical composition of fluvial and eolian sediments at the Velika Vrbica multisection, located on the bank of the Danube River in eastern Serbia, within the westernmost part of the lower Danube (Dacian) Basin. The multisection comprises two discrete sections: an older 2.7 m thick fluvial section, and a younger 11.2 m thick loess-paleosol sequence (LPS). These are exposed along the sides of a gully incised into a Danube River terrace that is covered by loess. Using luminescence dating, litho- and pedo-stratigraphy, and weathering proxies, we conclude that the fluvial section formed during Marine Isotope Stage (MIS) 6, and the overlying loess spans semi-continuously from late MIS 6 to the present. In order to use only elemental ratios unaffected by weathering and grain-size sorting, and thus serving as reliable provenance proxies, we introduce a novel statistical parameter – the path adherence coefficient (PAC). Along with the PAC, we also employ the well-established R² on geochemical data from the fluvial sediments. We identified Zr/Al₂O₃ and TiO₂/Al₂O₃ ratios as the most reliable provenance proxies, enabling us to discern temporal variations in sediment provenance at the Velika Vrbica LPS. The fine-grained portions of the LPS exhibit a significantly different provenance than that of the Danube River sediments. This difference is attributed to the transport of fine, loessial material over long distances, incorporating multiple sediment sources (likely originating from the Carpathians), from beyond the Danube River alluvium, into the loess. In contrast, the coarser, sand-rich sediment within the Velika Vrbica LPS section, which formed during MIS 2, has a more local provenance, having been derived almost exclusively from Danube River alluvium.

我们的研究检查了位于塞尔维亚东部多瑙河岸边的Velika Vrbica多剖面的河流和风成沉积物的化学成分，该剖面位于多瑙河下游（达契亚）盆地的最西端。多剖面包括两个独立的剖面：一个较老的2.7 m厚的河流剖面和一个较年轻的11.2 m厚的黄土-古土壤层序（LPS）。它们暴露在多瑙河阶地的沟壑两侧，沟壑被黄土覆盖。利用发光测年、岩石学和土壤地层学以及风化等指标，我们认为河流剖面形成于海洋同位素阶段（MIS） 6，其上覆黄土从MIS 6晚期到现在是半连续的。为了仅使用不受风化和粒度分选影响的元素比率，从而作为可靠的物源代理，我们引入了一个新的统计参数-路径附着系数（PAC）。与PAC一起，我们还对河流沉积物的地球化学数据采用了成熟的R2。我们确定Zr/Al2O3和TiO2/Al2O3比值是最可靠的物源指标，使我们能够识别Velika Vrbica LPS沉积物物源的时间变化。LPS的细粒部分与多瑙河沉积物的物源明显不同。这种差异是由于细小的黄土物质经过长途运输，将多瑙河冲积层以外的多种沉积物来源（可能来自喀尔巴阡山脉）结合到黄土中。相比之下，在MIS 2期间形成的Velika Vrbica LPS剖面中较粗的富砂沉积物具有更本地的物源，几乎完全来自多瑙河冲积物。

{"title":"Loess provenance in the westernmost part of the lower Danube Basin, Serbia: Geochemical insights from the Velika Vrbica fluvial–eolian section","authors":"Petar Krsmanović , Zoran M. Perić , Warren Thompson , Milica G. Radaković , Cathal S. Ryan , Randall J. Schaetzl , Qingzhen Hao , Tin Lukić , Helena Alexanderson , Slobodan B. Marković","doi":"10.1016/j.quaint.2025.109969","DOIUrl":"10.1016/j.quaint.2025.109969","url":null,"abstract":"<div><div>Our study examined the chemical composition of fluvial and eolian sediments at the Velika Vrbica multisection, located on the bank of the Danube River in eastern Serbia, within the westernmost part of the lower Danube (Dacian) Basin. The multisection comprises two discrete sections: an older 2.7 m thick fluvial section, and a younger 11.2 m thick loess-paleosol sequence (LPS). These are exposed along the sides of a gully incised into a Danube River terrace that is covered by loess. Using luminescence dating, litho- and pedo-stratigraphy, and weathering proxies, we conclude that the fluvial section formed during Marine Isotope Stage (MIS) 6, and the overlying loess spans semi-continuously from late MIS 6 to the present. In order to use only elemental ratios unaffected by weathering and grain-size sorting, and thus serving as reliable provenance proxies, we introduce a novel statistical parameter – the path adherence coefficient (PAC). Along with the PAC, we also employ the well-established R<sup>2</sup> on geochemical data from the fluvial sediments. We identified Zr/Al<sub>2</sub>O<sub>3</sub> and TiO<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub> ratios as the most reliable provenance proxies, enabling us to discern temporal variations in sediment provenance at the Velika Vrbica LPS. The fine-grained portions of the LPS exhibit a significantly different provenance than that of the Danube River sediments. This difference is attributed to the transport of fine, loessial material over long distances, incorporating multiple sediment sources (likely originating from the Carpathians), from beyond the Danube River alluvium, into the loess. In contrast, the coarser, sand-rich sediment within the Velika Vrbica LPS section, which formed during MIS 2, has a more local provenance, having been derived almost exclusively from Danube River alluvium.</div></div>","PeriodicalId":49644,"journal":{"name":"Quaternary International","volume":"748 ","pages":"Article 109969"},"PeriodicalIF":1.8,"publicationDate":"2025-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145011302","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Dynamics of sediment formation in barová cave (Moravian Karst) during the last glacial cycle 末次冰期旋回巴罗夫<e:1>洞（摩拉维亚喀斯特）沉积物形成动力学

IF 1.8 3区地球科学 Q3 GEOGRAPHY, PHYSICAL

Quaternary International

Pub Date : 2025-10-30 Epub Date: 2025-09-16 DOI: 10.1016/j.quaint.2025.109981

Lenka Lisá , Martina Roblíčková , Ivo Světlík , Jiří Šneberger , Michał Gąsiorowski , Šárka Matoušková , Aleš Plichta , Vlastislav Káňa

The last climatic cycle in the terrestrial environment is usually recorded in open loess sites. However, the frontal parts of caves often inhabited during the Palaeolithic occupation frequently provide valuable sedimentary archives. We propose that the most effective approach to studying these deposits is dual dating methods combined with micromorphology. Radiometric dating (¹⁴C and U-Th) coupled with analysis of sediment formation processes of the sedimentary record indicates that the intensive clearing of Barová Cave occurred at least by the end of the last interglacial, in MIS 4 and early MIS 3. During the period ca. 55-36 kyr BP, i.e., during the main phase of MIS 3, relatively slow sedimentation occurred in the open space in the cave, which created above underlying sediments by the previous clearance. The sedimentary record consists almost exclusively of osteological material showing signs of corrosion, including collagen depletion. This layer of osteological material is overlain by relatively thick clayey sediments, again with a number of animal bones dated consistently to MIS 3, representing a rapid erosional phase. This erosional phase is likely associated with the transition between MIS 3 – MIS 2. MIS 2 itself includes one of the coldest and driest periods of the Last climatic cycle, i. e. Last Glacial Maximum (LGM), which is represented in the cave record by redeposited loess showing signs of freezing. The onset of the Holocene is marked by a continuous layer of sinter. The combination of ¹⁴C, U-Th, and sedimentological and micromorphological analyses has proven to be an effective approach for interpreting the site's formation history and its relationship to climatic changes during the last climatic cycle.

陆地环境的最后一次气候循环通常记录在开阔的黄土遗址。然而，在旧石器时代经常有人居住的洞穴的前部经常提供有价值的沉积档案。我们认为研究这些矿床最有效的方法是结合微观形貌的双重测年方法。放射性测年（14C和U-Th）结合沉积记录的沉积形成过程分析表明，barov洞的强烈清理至少发生在末次间冰期末，即MIS 4和MIS 3早期。在大约55- 36kyr BP期间，即在MIS 3的主要阶段，在洞穴的开放空间中发生了相对缓慢的沉积，这是由于先前的清理而形成的在下伏沉积物之上。沉积记录几乎完全由显示腐蚀迹象的骨材料组成，包括胶原蛋白耗竭。这层骨材料被相对较厚的粘土沉积物覆盖，上面还有许多动物骨骼，它们的年代一致为MIS 3，代表了一个快速的侵蚀阶段。这个侵蚀阶段可能与MIS 3 - MIS 2之间的过渡有关。MIS 2本身包括最后一个气候周期，即末次盛冰期（LGM）中最冷和最干燥的时期之一，在洞穴记录中表现为重新沉积的黄土显示冻结的迹象。全新世的开始以连续的烧结层为标志。14C、U-Th、沉积学和微形态分析相结合已被证明是解释遗址形成历史及其与上一个气候周期气候变化关系的有效方法。

{"title":"Dynamics of sediment formation in barová cave (Moravian Karst) during the last glacial cycle","authors":"Lenka Lisá , Martina Roblíčková , Ivo Světlík , Jiří Šneberger , Michał Gąsiorowski , Šárka Matoušková , Aleš Plichta , Vlastislav Káňa","doi":"10.1016/j.quaint.2025.109981","DOIUrl":"10.1016/j.quaint.2025.109981","url":null,"abstract":"<div><div>The last climatic cycle in the terrestrial environment is usually recorded in open loess sites. However, the frontal parts of caves often inhabited during the Palaeolithic occupation frequently provide valuable sedimentary archives. We propose that the most effective approach to studying these deposits is dual dating methods combined with micromorphology. Radiometric dating (<sup>14</sup>C and U-Th) coupled with analysis of sediment formation processes of the sedimentary record indicates that the intensive clearing of Barová Cave occurred at least by the end of the last interglacial, in MIS 4 and early MIS 3. During the period ca. 55-36 kyr BP, i.e., during the main phase of MIS 3, relatively slow sedimentation occurred in the open space in the cave, which created above underlying sediments by the previous clearance. The sedimentary record consists almost exclusively of osteological material showing signs of corrosion, including collagen depletion. This layer of osteological material is overlain by relatively thick clayey sediments, again with a number of animal bones dated consistently to MIS 3, representing a rapid erosional phase. This erosional phase is likely associated with the transition between MIS 3 – MIS 2. MIS 2 itself includes one of the coldest and driest periods of the Last climatic cycle, i. e. Last Glacial Maximum (LGM), which is represented in the cave record by redeposited loess showing signs of freezing. The onset of the Holocene is marked by a continuous layer of sinter. The combination of <sup>14</sup>C, U-Th, and sedimentological and micromorphological analyses has proven to be an effective approach for interpreting the site's formation history and its relationship to climatic changes during the last climatic cycle.</div></div>","PeriodicalId":49644,"journal":{"name":"Quaternary International","volume":"748 ","pages":"Article 109981"},"PeriodicalIF":1.8,"publicationDate":"2025-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145107000","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Plio-Quaternary coastal uplift along the western Iberian Margin: insights from dated marine terraces (Peniche, Portugal) 伊比利亚西部边缘上古-第四纪海岸隆起：来自葡萄牙佩尼切海相阶地年代的启示

IF 1.8 3区地球科学 Q3 GEOGRAPHY, PHYSICAL

Quaternary International

Pub Date : 2025-10-15 Epub Date: 2025-09-08 DOI: 10.1016/j.quaint.2025.109954

Margarida P. Gouveia , Pedro P. Cunha , António A. Martins , Martin Stokes , Alberto Gomes , Christophe Falguères , Pierre Voinchet , Jean-Jacques Bahain , Telmo Pereira , Silvério Figueiredo , Qingfeng Shao , Olivier Tombret

This study presents a detailed geomorphological and geochronological analysis of a marine terrace staircase developed into the Peniche Peninsula (Portugal), a rocky headland of Jurassic carbonate bedrock located in the central sector of the Western Iberian passive margin. The marine terrace levels are described morphologically and sedimentologically, but also dated using ESR and U-Series methodologies. The marine terrace staircase comprises six emerged levels ranging from 4 m (above mean sea level, asl) (Tm6) to 24–28 m asl (Tm1), inset into a summit wave-cut platform at 29–45 m asl (Pm). The marine terrace sediments are composed of rounded boulders to cobbles and coarse sands. Dating results reveal that the marine terrace staircase spans ∼900 ka across the Middle-Late Pleistocene. The terraces can be assigned to either a single sea-level highstand or a level that has been re-occupied by two sea level highstands. The staircase records very low uplift rates (0.04 to −0.02 m/ka; the longer-term mean rate for the entire Pleistocene staircase is 0.03 m/ka), typical of a passive continental margin. Regionally, coastal terrace staircases are typically found along the Western Iberian passive margin, with their configuration locally influenced by the underlying bedrock geology and tectonic history.

本研究对发展成Peniche半岛（葡萄牙）的海相阶地阶梯进行了详细的地貌和地质年代学分析。Peniche半岛是位于西伊比利亚被动边缘中部的侏罗纪碳酸盐岩基岩岩岬。用形态和沉积学方法描述了海相阶地的水平，但也用ESR和u系列方法测定了年代。海洋露台楼梯包括六个凸出的高度，从4米（高于平均海平面，asl）（Tm6）到24-28米（Tm1），嵌入在海拔29-45米（Pm）的山顶波浪切割平台上。海相阶地沉积物由圆形巨石到鹅卵石和粗砂组成。测年结果显示，海相阶地阶梯跨越中晚更新世~ 900 ka。梯田可以被指定为一个单一的海平面高地，也可以被两个海平面高地重新占用。该台阶记录了非常低的隆升速率（0.04 ~ - 0.02 m/ka，整个更新世台阶的长期平均隆升速率为0.03 m/ka），是典型的被动大陆边缘。从区域上看，沿海阶地阶地典型分布在西伊比利亚被动边缘，其局部构造受下伏基岩地质和构造历史的影响。

{"title":"Plio-Quaternary coastal uplift along the western Iberian Margin: insights from dated marine terraces (Peniche, Portugal)","authors":"Margarida P. Gouveia , Pedro P. Cunha , António A. Martins , Martin Stokes , Alberto Gomes , Christophe Falguères , Pierre Voinchet , Jean-Jacques Bahain , Telmo Pereira , Silvério Figueiredo , Qingfeng Shao , Olivier Tombret","doi":"10.1016/j.quaint.2025.109954","DOIUrl":"10.1016/j.quaint.2025.109954","url":null,"abstract":"<div><div>This study presents a detailed geomorphological and geochronological analysis of a marine terrace staircase developed into the Peniche Peninsula (Portugal), a rocky headland of Jurassic carbonate bedrock located in the central sector of the Western Iberian passive margin. The marine terrace levels are described morphologically and sedimentologically, but also dated using ESR and U-Series methodologies. The marine terrace staircase comprises six emerged levels ranging from 4 m (above mean sea level, asl) (Tm6) to 24–28 m asl (Tm1), inset into a summit wave-cut platform at 29–45 m asl (Pm). The marine terrace sediments are composed of rounded boulders to cobbles and coarse sands. Dating results reveal that the marine terrace staircase spans ∼900 ka across the Middle-Late Pleistocene. The terraces can be assigned to either a single sea-level highstand or a level that has been re-occupied by two sea level highstands. The staircase records very low uplift rates (0.04 to −0.02 m/ka; the longer-term mean rate for the entire Pleistocene staircase is 0.03 m/ka), typical of a passive continental margin. Regionally, coastal terrace staircases are typically found along the Western Iberian passive margin, with their configuration locally influenced by the underlying bedrock geology and tectonic history.</div></div>","PeriodicalId":49644,"journal":{"name":"Quaternary International","volume":"747 ","pages":"Article 109954"},"PeriodicalIF":1.8,"publicationDate":"2025-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145018448","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Abandonment and population fluctuations of prehistoric villages: Focusing on the Geum River Basin during Korea's Bronze Age 史前村落的废弃与人口波动——以韩国青铜器时代的锦江流域为中心

IF 1.8 3区地球科学 Q3 GEOGRAPHY, PHYSICAL

Quaternary International

Pub Date : 2025-10-15 Epub Date: 2025-09-02 DOI: 10.1016/j.quaint.2025.109967

Jeongeun Lee, Jaehoon Hwang

This study examines population fluctuations in the Geum River basin during the Early and Middle Bronze Age through settlement distributions, changes in the number of settlements and dwellings, and SPDs of radiocarbon dates. Despite broadly shared material culture during the Bronze Age, demographic patterns varied significantly across four subregions—Miho, upper, middle, and lower Geum River—largely influenced by local topography. In the Miho and upper Geum Rivers, limited settlement space constrained population growth. In contrast, the middle Geum River allowed for settlement expansion and in-migration, but this eventually triggered environmental and social stress, leading to abandonment at the end of Early Bronze Age. The resulting dispersal appears to have contributed to population reorganization in the lower Geum River during the Middle Bronze Age. In this period, changes in subsistence strategies and social structure fostered the emergence of large-scale settlements, sustained in part by group ritual practices.

本研究通过聚落分布、聚落和住宅数量的变化以及放射性碳测年的spd，考察了青铜器时代早期和中期锦江流域的人口波动。尽管青铜器时代的物质文化广泛共享，但人口分布模式在四个次区域（miho、上、中、下锦江）之间存在显著差异，这在很大程度上受当地地形的影响。在米豪河和锦江上游，有限的居住空间限制了人口的增长。相比之下，锦江中游允许定居点扩张和移民，但这最终引发了环境和社会压力，导致了早期青铜时代末期的遗弃。由此产生的分散似乎对青铜时代中期锦江下游地区的人口重组做出了贡献。在这一时期，生存策略和社会结构的变化促进了大规模定居点的出现，部分是由群体仪式实践维持的。

引用次数: 0

Late Pleistocene vegetation and climate history of northern Vancouver Island, Canada: spatiotemporal variation in deglacial ecology along the Pacific margin of the Cordilleran Ice Sheet 加拿大北温哥华岛晚更新世植被与气候史：科迪勒兰冰盖太平洋边缘去冰生态的时空变化

IF 1.8 3区地球科学 Q3 GEOGRAPHY, PHYSICAL

Quaternary International

Pub Date : 2025-10-15 Epub Date: 2025-10-10 DOI: 10.1016/j.quaint.2025.109955

Christopher F.G. Hebda , Richard J. Hebda , Daryl Fedje , Bryn Letham , Angela Dyck , Duncan McLaren

Palaeoecological analysis of six cores on northern Vancouver Island, Canada, reveals asynchronous vegetation responses to climatic changes at the interface of the Cordilleran Ice Sheet and the Pacific Ocean during the terminal Pleistocene and earliest Holocene. We describe rapid vegetation shifts and define them in a regional palynostratigraphic sequence: the Non-Arboreal Herb-Shrub Zone, the Pinus (pine) Zone, the Mixed Alnus-Picea (alder-spruce) Zone, the Tsuga (hemlock) Zone, and the Alnus (alder) and Conifer Zone. On the outer west coast, cold and dry non-arboreal steppe-tundra was established first by ∼18,000 years ago, appearing later to the east and persisting there as late as ∼14,100 years ago. Pine dominated briefly in the west at ∼16,000 years ago under cool and relatively dry conditions, spreading progressively eastward and predominating at most sites by ∼14,300–14,100 years ago. Precipitation subsequently increased, with red/green alder and Sitka spruce (Picea sitchensis) as key species in the west from ∼15,700 years ago under moderate and moist conditions before spreading to eastern sites by ∼13,900–13,600 years ago. Western hemlock dominated under moist and cooler conditions by ∼13,800 years ago in the west and ∼13,200–12,900 years ago in the east as temperatures declined ∼1–2 °C. By ∼12,200 years ago at most sites, moist and increasingly warm conditions resulted in Sitka spruce forest with red alder and western hemlock across most of the region. Diachronous vegetation development may have resulted from an eastward-shifting band of precipitation and oceanic influence as ice retreated inland and climate stabilized at the end of the Pleistocene. We show that varied ecosystems existed across short distances throughout the late-glacial interval on northern Vancouver Island. Furthermore, we corroborate the timing and character of deglacial climatic episodes in the North Pacific Ocean, including Siku Event 1 and the early onset of a mild cooling event which pre-dated North Atlantic Younger Dryas by at least 200-600 years—here assigned the provisional name “Quatsino Event”. Our results demonstrate the importance of understanding regional vegetation and climatic histories at coast-continent interfaces adjacent to major components of global climate such as the North Pacific Ocean when investigating the teleconnections of oceanic and atmospheric systems.

通过对加拿大温哥华岛北部6个岩心的古生态分析，揭示了更新世晚期至全新世早期科迪勒兰冰盖与太平洋交界区植被对气候变化的非同步响应。我们描述了植被的快速变化，并将其定义为一个区域孢粉地层序列：非乔木草本-灌木带、松（松）带、桤木-云杉混合带、铁杉（铁杉）带、桤木（桤木）和针叶树带。在西海岸外，寒冷干燥的非树木草原苔原最早在约1.8万年前形成，后来出现在东部，并一直持续到约1.41万年前。大约16000年前，在凉爽和相对干燥的条件下，松树在西部短暂地占主导地位，逐渐向东扩散，并在大约14300 - 14100年前在大多数地点占主导地位。降水随后增加，红/绿桤木和锡特卡云杉（Picea sitchensis）是西部地区的关键物种，在约15700年前处于温和湿润的条件下，然后在约13900 - 13600年前扩散到东部地区。西部铁杉在约13800年前和东部约13200 - 12900年前的潮湿和较冷的条件下占主导地位，温度下降约1-2°C。大约12200年前，在大多数地点，潮湿和日益温暖的环境导致了锡特卡云杉林，红桤木和西部铁杉遍布大部分地区。在更新世末期，随着内陆冰层的消退和气候的稳定，降水带向东移动和海洋的影响可能导致了植被的历时性发育。我们表明，在温哥华岛北部晚冰期的短距离内，不同的生态系统存在。此外，我们还证实了北太平洋冰期气候事件的时间和特征，包括西库事件1和温和降温事件的早期开始，该事件比北大西洋新仙女木事件至少早200-600年，并将其暂定为“Quatsino事件”。我们的研究结果表明，在研究海洋和大气系统的遥相关时，了解与全球气候主要组成部分（如北太平洋）相邻的海岸-大陆界面区域植被和气候历史的重要性。

{"title":"Late Pleistocene vegetation and climate history of northern Vancouver Island, Canada: spatiotemporal variation in deglacial ecology along the Pacific margin of the Cordilleran Ice Sheet","authors":"Christopher F.G. Hebda , Richard J. Hebda , Daryl Fedje , Bryn Letham , Angela Dyck , Duncan McLaren","doi":"10.1016/j.quaint.2025.109955","DOIUrl":"10.1016/j.quaint.2025.109955","url":null,"abstract":"<div><div>Palaeoecological analysis of six cores on northern Vancouver Island, Canada, reveals asynchronous vegetation responses to climatic changes at the interface of the Cordilleran Ice Sheet and the Pacific Ocean during the terminal Pleistocene and earliest Holocene. We describe rapid vegetation shifts and define them in a regional palynostratigraphic sequence: the Non-Arboreal Herb-Shrub Zone, the <em>Pinus</em> (pine) Zone, the Mixed <em>Alnus</em>-<em>Picea</em> (alder-spruce) Zone, the <em>Tsuga</em> (hemlock) Zone, and the <em>Alnus</em> (alder) and Conifer Zone. On the outer west coast, cold and dry non-arboreal steppe-tundra was established first by ∼18,000 years ago, appearing later to the east and persisting there as late as ∼14,100 years ago. Pine dominated briefly in the west at ∼16,000 years ago under cool and relatively dry conditions, spreading progressively eastward and predominating at most sites by ∼14,300–14,100 years ago. Precipitation subsequently increased, with red/green alder and Sitka spruce (<em>Picea sitchensis</em>) as key species in the west from ∼15,700 years ago under moderate and moist conditions before spreading to eastern sites by ∼13,900–13,600 years ago. Western hemlock dominated under moist and cooler conditions by ∼13,800 years ago in the west and ∼13,200–12,900 years ago in the east as temperatures declined ∼1–2 °C. By ∼12,200 years ago at most sites, moist and increasingly warm conditions resulted in Sitka spruce forest with red alder and western hemlock across most of the region. Diachronous vegetation development may have resulted from an eastward-shifting band of precipitation and oceanic influence as ice retreated inland and climate stabilized at the end of the Pleistocene. We show that varied ecosystems existed across short distances throughout the late-glacial interval on northern Vancouver Island. Furthermore, we corroborate the timing and character of deglacial climatic episodes in the North Pacific Ocean, including Siku Event 1 and the early onset of a mild cooling event which pre-dated North Atlantic Younger Dryas by at least 200-600 years—here assigned the provisional name “Quatsino Event”. Our results demonstrate the importance of understanding regional vegetation and climatic histories at coast-continent interfaces adjacent to major components of global climate such as the North Pacific Ocean when investigating the teleconnections of oceanic and atmospheric systems.</div></div>","PeriodicalId":49644,"journal":{"name":"Quaternary International","volume":"747 ","pages":"Article 109955"},"PeriodicalIF":1.8,"publicationDate":"2025-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145267065","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Peach (Prunus persica) cultivation in ancient Korea: an archaeobotanical examination 古代朝鲜的桃（Prunus persica）栽培：考古植物学研究

IF 1.8 3区地球科学 Q3 GEOGRAPHY, PHYSICAL

Quaternary International

Pub Date : 2025-10-15 Epub Date: 2025-08-29 DOI: 10.1016/j.quaint.2025.109966

Minkoo Kim , Sohyeon Ahn , Brian Li

Archaeobotanical research has traditionally prioritized seed-propagated annual crops, with comparatively limited attention given to the cultivation of woody perennial plants. To address this gap, this study examines peach endocarps recovered from Korean archaeological sites to explore the social context of peach cultivation. While peach endocarps are occasionally found at prehistoric sites, evidence for their cultivation in the region before 100 BC remains limited. Although the social conditions necessary for arboriculture—long-term land investment and territoriality—were established at many prehistoric sites, fruit tree cultivation did not emerge until after 100 BC. Peach endocarps from Sinchang-dong (ca. 14 BC–AD 243) exhibit traits indicative of incomplete domestication—elongated and compressed, yet relatively small—suggesting an early cultivation stage or the harvesting of feral forms. In contrast, later peach endocarps are significantly larger, elongated, and compressed, resembling modern cultivars. The inclusion of peaches as burial goods after approximately 100 BC highlights their symbolic values, which potentially facilitated the expansion of peach cultivation across the Korean Peninsula during the first millennium AD.

考古植物学研究传统上优先考虑种子繁殖的一年生作物，而对木本多年生植物的栽培给予的关注相对有限。为了解决这一空白，本研究对韩国考古遗址中发现的桃内果皮进行了研究，以探索桃种植的社会背景。虽然在史前遗址偶尔会发现桃内皮，但公元前100年以前在该地区种植桃内皮的证据仍然有限。虽然树木栽培的社会条件——长期的土地投资和领土——在许多史前遗址已经建立起来，但果树种植直到公元前100年之后才出现。新仓洞（约公元前14年-公元243年）的桃内果皮表现出不完全驯化的特征——细长和压缩，但相对较小，表明早期的栽培阶段或野生形式的收获。相比之下，后来的桃内果皮明显更大，拉长，和压缩，类似于现代品种。大约公元前100年后，桃子被作为陪葬品，凸显了它们的象征价值，这可能促进了公元第一个千年期间桃子种植在朝鲜半岛的扩张。

{"title":"Peach (Prunus persica) cultivation in ancient Korea: an archaeobotanical examination","authors":"Minkoo Kim , Sohyeon Ahn , Brian Li","doi":"10.1016/j.quaint.2025.109966","DOIUrl":"10.1016/j.quaint.2025.109966","url":null,"abstract":"<div><div>Archaeobotanical research has traditionally prioritized seed-propagated annual crops, with comparatively limited attention given to the cultivation of woody perennial plants. To address this gap, this study examines peach endocarps recovered from Korean archaeological sites to explore the social context of peach cultivation. While peach endocarps are occasionally found at prehistoric sites, evidence for their cultivation in the region before 100 BC remains limited. Although the social conditions necessary for arboriculture—long-term land investment and territoriality—were established at many prehistoric sites, fruit tree cultivation did not emerge until after 100 BC. Peach endocarps from Sinchang-dong (ca. 14 BC–AD 243) exhibit traits indicative of incomplete domestication—elongated and compressed, yet relatively small—suggesting an early cultivation stage or the harvesting of feral forms. In contrast, later peach endocarps are significantly larger, elongated, and compressed, resembling modern cultivars. The inclusion of peaches as burial goods after approximately 100 BC highlights their symbolic values, which potentially facilitated the expansion of peach cultivation across the Korean Peninsula during the first millennium AD.</div></div>","PeriodicalId":49644,"journal":{"name":"Quaternary International","volume":"747 ","pages":"Article 109966"},"PeriodicalIF":1.8,"publicationDate":"2025-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144912367","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Vegetation and climate dynamics in a 16,600-year marine sequence offshore Mozambique in Delagoa Bight, south-eastern Africa 非洲东南部德拉戈阿湾莫桑比克近海16600年海洋序列的植被和气候动态

IF 1.8 3区地球科学 Q3 GEOGRAPHY, PHYSICAL

Quaternary International

Pub Date : 2025-10-15 Epub Date: 2025-08-29 DOI: 10.1016/j.quaint.2025.109956

F.H. Neumann , J. Finch , A. Hahn , C.S. Miller , L. Scott , E. Schefuß , L. Dupont , H.C. Cawthra , F. Engelbrecht

Few records of long-term vegetation dynamics and climate variability exist from coastal southeastern Africa. This study presents a new high-resolution marine pollen record (GeoB20615-2) from southern Mozambique, spanning the past c. 16,600 years. The chronology is based on a Bayesian age-depth model constructed using twelve radiocarbon dates on marine and terrestrial remains. Prior to c. 15,000 cal BP, pollen from ericaceous shrubs was prevalent, indicating low temperatures, while forest or woodland pollen taxa were minimal or absent. From c. 13,000 cal BP onwards, the record shows a gradual increase in savanna pollen taxa such as Spirostachys and Burkea, suggesting climatic warming. Pollen of Spirostachys, a woodland tree thriving in dry, warm regions, continues to increase into the early Holocene, between c. 11,200 and 9200 cal BP. After c. 9200 cal BP, a decline in Spirostachys pollen corresponds with a rise in Podocarpus pollen during a phase of high sea levels, indicating a potential expansion in coastal and/or montane forests, possibly reflecting increased moisture availability. From c. 3500 cal BP, Podocarpus pollen declines, likely due to more arid conditions, as indicated by a concomitant increase in Chenopodiaceae/Amaranthaceae, Asteraceae, and Spirostachys pollen. The youngest section of the profile is potentially affected by sediment mixing from c. 250 cal BP onwards. The section reveals the impact of European colonialists, with the appearance of neophytic pine pollen, and an increase in indigenous Alchornea, a disturbance indicator. The pollen results are in good agreement with terrestrial palynological records from the Indian Ocean Coastal Belt Biome such as Lake Eteza in northeastern South Africa. The GeoB20615-2 record contributes greater understanding of long-term vegetation dynamics and associated climatic shifts in the Indian Ocean Coastal Belt Biome.

非洲东南部沿海地区很少有长期植被动态和气候变率的记录。本研究提出了一个新的高分辨率海洋花粉记录（GeoB20615-2），来自莫桑比克南部，跨越了约16,600年。该年表基于贝叶斯年龄深度模型，该模型使用了12个海洋和陆地遗迹的放射性碳年代。在c. 15,000 cal BP之前，白垩灌木花粉普遍存在，表明气温较低，而森林或林地花粉类群很少或不存在。从公元前13000 cal BP开始，记录显示热带草原花粉分类群（如Spirostachys和Burkea）逐渐增加，表明气候变暖。Spirostachys是一种生长在干燥、温暖地区的林地树木，其花粉在全新世早期（约11,200至9200 cal BP）继续增加。在约9200 cal BP之后，Spirostachys花粉的减少与Podocarpus花粉在高海平面阶段的增加相对应，表明沿海和/或山地森林的潜在扩张，可能反映了水分可用性的增加。从大约3500 cal BP开始，Podocarpus的花粉数量下降，可能是由于更干旱的条件，与此同时Chenopodiaceae/Amaranthaceae， Asteraceae和Spirostachys的花粉数量增加。剖面最年轻的部分可能受到约250 cal BP以后沉积物混合的影响。该部分揭示了欧洲殖民者的影响，新生松花粉的出现，以及土著Alchornea（一种干扰指标）的增加。研究结果与南非东北部Eteza湖等印度洋海岸带生物群落的陆地孢粉学记录吻合较好。GeoB20615-2记录有助于更好地了解印度洋海岸带生物群系的长期植被动态和相关气候变化。

{"title":"Vegetation and climate dynamics in a 16,600-year marine sequence offshore Mozambique in Delagoa Bight, south-eastern Africa","authors":"F.H. Neumann , J. Finch , A. Hahn , C.S. Miller , L. Scott , E. Schefuß , L. Dupont , H.C. Cawthra , F. Engelbrecht","doi":"10.1016/j.quaint.2025.109956","DOIUrl":"10.1016/j.quaint.2025.109956","url":null,"abstract":"<div><div>Few records of long-term vegetation dynamics and climate variability exist from coastal southeastern Africa. This study presents a new high-resolution marine pollen record (GeoB20615-2) from southern Mozambique, spanning the past <em>c.</em> 16,600 years. The chronology is based on a Bayesian age-depth model constructed using twelve radiocarbon dates on marine and terrestrial remains. Prior to <em>c.</em> 15,000 cal BP, pollen from ericaceous shrubs was prevalent, indicating low temperatures, while forest or woodland pollen taxa were minimal or absent. From <em>c.</em> 13,000 cal BP onwards, the record shows a gradual increase in savanna pollen taxa such as <em>Spirostachys</em> and <em>Burkea</em>, suggesting climatic warming. Pollen of <em>Spirostachys,</em> a woodland tree thriving in dry, warm regions, continues to increase into the early Holocene, between <em>c.</em> 11,200 and 9200 cal BP. After <em>c.</em> 9200 cal BP, a decline in <em>Spirostachys</em> pollen corresponds with a rise in <em>Podocarpus</em> pollen during a phase of high sea levels, indicating a potential expansion in coastal and/or montane forests, possibly reflecting increased moisture availability. From <em>c.</em> 3500 cal BP, <em>Podocarpus</em> pollen declines, likely due to more arid conditions, as indicated by a concomitant increase in Chenopodiaceae/Amaranthaceae, Asteraceae, and <em>Spirostachys</em> pollen. The youngest section of the profile is potentially affected by sediment mixing from <em>c.</em> 250 cal BP onwards. The section reveals the impact of European colonialists, with the appearance of neophytic pine pollen, and an increase in indigenous <em>Alchornea</em>, a disturbance indicator. The pollen results are in good agreement with terrestrial palynological records from the Indian Ocean Coastal Belt Biome such as Lake Eteza in northeastern South Africa. The GeoB20615-2 record contributes greater understanding of long-term vegetation dynamics and associated climatic shifts in the Indian Ocean Coastal Belt Biome.</div></div>","PeriodicalId":49644,"journal":{"name":"Quaternary International","volume":"747 ","pages":"Article 109956"},"PeriodicalIF":1.8,"publicationDate":"2025-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144917351","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The role of Holocene climate dynamics in the modeling of fluviomarine terraces in the northeastern Brazilian coast 全新世气候动力学在巴西东北海岸海陆阶地模拟中的作用

IF 1.8 3区地球科学 Q3 GEOGRAPHY, PHYSICAL

Quaternary International

Pub Date : 2025-10-15 Epub Date: 2025-09-03 DOI: 10.1016/j.quaint.2025.109965

Vinicius Borges Moreira , Luca Lämmle , Mariarca D'Aniello , Fabiano Tomazini Da Conceição , Carlo Donadio , Archimedes Perez Filho

Fluviomarine terraces comprise mixed sedimentary sequences formed through the interplay of fluvial and marine aggradational morphodynamics. Although they are very common along the vast Brazilian coast, they are currently little explored in the geomorphological literature. In recent official mappings, it is common to observe the classification of the last or predominant event in each sector of the plain, with the discussion of fluviomarine morphologies being little explored. Therefore, this study aims to analyze transitional environments near the Rio Pardo River estuary, located on the northeastern Brazilian coast, within the alluvial-coastal system, which presents complex morphosedimentary archives consolidated during the regressive trend of the Holocene Relative Sea Level. To better understand the genesis, chronology, and vertical sequence that formed these fluviomarine terraces. A morphological description of three stratigraphic profiles exposed on erosive riverbanks was conducted using optically stimulated luminescence dating, sediment grain size characterization, and environmental depositional conditions and pedogenesis process. The results suggest five distinct depositional stages occurred, driven by Holocene climatic variations in the region with close correlation with Bond events and variations of the Intertropical Convergence Zone and South Atlantic Convergence Zone: 1 - Early Holocene ∼10.59 ± 0.85 ka; 2 - Middle Holocene ∼5.30 ± 0.66 ka and 4.57 ± 0.48 ka; 3 - Late Holocene A ∼3.44 ± 0.31 ka; 4 - Late Holocene B ∼2.5 ka; 5 - Modern surface deposits ∼1.93 ± 0.20; 1.59 ± 0.18 and 1.46 ± 0.1 ka. Thus, the fluviomarine terraces analyzed constituted support for the identification of the climatic pulses that occurred in the Holocene along the Brazilian northeast coast.

河海阶地是由河流和海相沉积动力学相互作用形成的混合沉积层序。虽然它们在广阔的巴西海岸非常常见，但目前在地貌学文献中很少被探索。在最近的官方制图中，通常观察到平原每个部分的最后或主要事件的分类，而对河流海洋形态的讨论却很少探索。因此，本研究旨在分析位于巴西东北部海岸的里约热内卢Pardo河河口附近冲积-海岸体系内的过渡性环境，该环境在全新世相对海平面下降趋势中呈现出复杂的形态-沉积档案。为了更好地了解形成这些海陆阶地的成因、年代学和垂直序列。利用光激发光测年、沉积物粒度表征、环境沉积条件和成土过程等方法，对3个暴露在侵蚀河岸上的地层剖面进行了形态描述。结果表明，在全新世气候变化的驱动下，该地区发生了5个不同的沉积阶段，与Bond事件和热带辐合带和南大西洋辐合带的变化密切相关：1 -全新世早期~ 10.59±0.85 ka；2 -中全新世~ 5.30±0.66 ka和4.57±0.48 ka；3 -晚全新世A ~ 3.44±0.31 ka；4 -晚全新世B ~ 2.5 ka；5 -现代地表沉积物~ 1.93±0.20；1.59±0.18和1.46±0.1 ka。因此，分析的海陆阶地为确定巴西东北海岸全新世发生的气候脉冲提供了支持。

{"title":"The role of Holocene climate dynamics in the modeling of fluviomarine terraces in the northeastern Brazilian coast","authors":"Vinicius Borges Moreira , Luca Lämmle , Mariarca D'Aniello , Fabiano Tomazini Da Conceição , Carlo Donadio , Archimedes Perez Filho","doi":"10.1016/j.quaint.2025.109965","DOIUrl":"10.1016/j.quaint.2025.109965","url":null,"abstract":"<div><div>Fluviomarine terraces comprise mixed sedimentary sequences formed through the interplay of fluvial and marine aggradational morphodynamics. Although they are very common along the vast Brazilian coast, they are currently little explored in the geomorphological literature. In recent official mappings, it is common to observe the classification of the last or predominant event in each sector of the plain, with the discussion of fluviomarine morphologies being little explored. Therefore, this study aims to analyze transitional environments near the Rio Pardo River estuary, located on the northeastern Brazilian coast, within the alluvial-coastal system, which presents complex morphosedimentary archives consolidated during the regressive trend of the Holocene Relative Sea Level. To better understand the genesis, chronology, and vertical sequence that formed these fluviomarine terraces. A morphological description of three stratigraphic profiles exposed on erosive riverbanks was conducted using optically stimulated luminescence dating, sediment grain size characterization, and environmental depositional conditions and pedogenesis process. The results suggest five distinct depositional stages occurred, driven by Holocene climatic variations in the region with close correlation with Bond events and variations of the Intertropical Convergence Zone and South Atlantic Convergence Zone: 1 - Early Holocene ∼10.59 ± 0.85 ka; 2 - Middle Holocene ∼5.30 ± 0.66 ka and 4.57 ± 0.48 ka; 3 - Late Holocene A ∼3.44 ± 0.31 ka; 4 - Late Holocene B ∼2.5 ka; 5 - Modern surface deposits ∼1.93 ± 0.20; 1.59 ± 0.18 and 1.46 ± 0.1 ka. Thus, the fluviomarine terraces analyzed constituted support for the identification of the climatic pulses that occurred in the Holocene along the Brazilian northeast coast.</div></div>","PeriodicalId":49644,"journal":{"name":"Quaternary International","volume":"747 ","pages":"Article 109965"},"PeriodicalIF":1.8,"publicationDate":"2025-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144933554","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Targeted explorations of Pleistocene-Holocene transition archaeology on the Colorado Plateau in southern Utah 犹他州南部科罗拉多高原更新世-全新世过渡考古的目标探索

IF 1.8 3区地球科学 Q3 GEOGRAPHY, PHYSICAL

Quaternary International

Pub Date : 2025-10-01 Epub Date: 2025-10-03 DOI: 10.1016/j.quaint.2025.109992

Abby S. Baka , Kenneth B. Vernon , Madeline E. Mackie , Simon Brewer , Jerry Spangler , Brian F. Codding , Lisbeth A. Louderback , Thomas H. Flanigan , Alexandra M. Greenwald

The Pleistocene-Holocene transition (PHT) archaeological record on the Colorado Plateau has been interpreted as sparse, especially compared to the Great Basin to the west and the Rocky Mountains and Great Plains to the east. To explore whether this apparent sparsity is due to low PHT populations in the region, insufficient research targeting regional PHT archaeology, taphonomic processes, or cross-regional differences in lifeways, we surveyed ∼2400 acres of the San Rafael Desert on the Colorado Plateau in south-central Utah. Survey tracts were deemed likely to contain PHT archaeology by a random forest predictive model. We present the results of this survey, during which we encountered three sites and one isolate of likely PHT age, for a total of five diagnostic PHT points, including unfluted lanceolate points, a Scottsbluff point, a fluted point, and a stemmed point. In comparing the point types and PHT locality densities we recorded in the San Rafael Desert to those in areas of targeted PHT survey in surrounding regions, we conclude that while the San Rafael Desert's PHT record may be sparse, it demonstrates that the Colorado Plateau's PHT record is worthy of study given its potential to elucidate interaction between the Western Stemmed Tradition characteristic of the Great Basin and the fluted and lanceolate traditions characteristic of the Plains and Rockies.

科罗拉多高原的更新世-全新世过渡（PHT）考古记录一直被认为是稀疏的，特别是与西部的大盆地和东部的落基山脉和大平原相比。为了探索这种明显的稀疏性是否由于该地区PHT种群数量低、针对区域PHT考古、地文学过程或生活方式跨区域差异的研究不足，我们调查了犹他州中南部科罗拉多高原的圣拉斐尔沙漠约2400英亩。随机森林预测模型认为调查区域可能包含PHT考古。我们提出了这项调查的结果，在此期间，我们遇到了三个地点和一个可能PHT年龄的分离株，总共五个诊断PHT点，包括无凹槽披针形点，Scottsbluff点，凹槽点和茎尖点。通过比较我们在圣拉斐尔沙漠记录的点类型和PHT位置密度与周围地区PHT目标调查区域的点类型和PHT位置密度，我们得出结论，虽然圣拉斐尔沙漠的PHT记录可能很稀疏，这表明科罗拉多高原的PHT记录是值得研究的，因为它有可能阐明大盆地的西部茎状传统特征与平原和落基山脉的凹槽和披针形传统特征之间的相互作用。

{"title":"Targeted explorations of Pleistocene-Holocene transition archaeology on the Colorado Plateau in southern Utah","authors":"Abby S. Baka , Kenneth B. Vernon , Madeline E. Mackie , Simon Brewer , Jerry Spangler , Brian F. Codding , Lisbeth A. Louderback , Thomas H. Flanigan , Alexandra M. Greenwald","doi":"10.1016/j.quaint.2025.109992","DOIUrl":"10.1016/j.quaint.2025.109992","url":null,"abstract":"<div><div>The Pleistocene-Holocene transition (PHT) archaeological record on the Colorado Plateau has been interpreted as sparse, especially compared to the Great Basin to the west and the Rocky Mountains and Great Plains to the east. To explore whether this apparent sparsity is due to low PHT populations in the region, insufficient research targeting regional PHT archaeology, taphonomic processes, or cross-regional differences in lifeways, we surveyed ∼2400 acres of the San Rafael Desert on the Colorado Plateau in south-central Utah. Survey tracts were deemed likely to contain PHT archaeology by a random forest predictive model. We present the results of this survey, during which we encountered three sites and one isolate of likely PHT age, for a total of five diagnostic PHT points, including unfluted lanceolate points, a Scottsbluff point, a fluted point, and a stemmed point. In comparing the point types and PHT locality densities we recorded in the San Rafael Desert to those in areas of targeted PHT survey in surrounding regions, we conclude that while the San Rafael Desert's PHT record may be sparse, it demonstrates that the Colorado Plateau's PHT record is worthy of study given its potential to elucidate interaction between the Western Stemmed Tradition characteristic of the Great Basin and the fluted and lanceolate traditions characteristic of the Plains and Rockies.</div></div>","PeriodicalId":49644,"journal":{"name":"Quaternary International","volume":"746 ","pages":"Article 109992"},"PeriodicalIF":1.8,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145416226","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0