Pub Date : 2023-07-11DOI: 10.1080/02723646.2023.2234175
Xueli Wang, Haiqing Yang, Bin Zhang, Jun Luo, Xueyang Ma
{"title":"Types and morphologies of gully step pools of different process of formation in the Yuanmou dry-hot Valley","authors":"Xueli Wang, Haiqing Yang, Bin Zhang, Jun Luo, Xueyang Ma","doi":"10.1080/02723646.2023.2234175","DOIUrl":"https://doi.org/10.1080/02723646.2023.2234175","url":null,"abstract":"","PeriodicalId":54618,"journal":{"name":"Physical Geography","volume":" ","pages":""},"PeriodicalIF":1.6,"publicationDate":"2023-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44134279","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-07-07DOI: 10.1080/02723646.2023.2234178
R. L. Anderson, J. le Roux, B. van der Waal, K. Rowntree, D. Hedding
{"title":"Assessing the short-term inter-annual growth of the largest documented gully network in South Africa using UAV and SfM methodology","authors":"R. L. Anderson, J. le Roux, B. van der Waal, K. Rowntree, D. Hedding","doi":"10.1080/02723646.2023.2234178","DOIUrl":"https://doi.org/10.1080/02723646.2023.2234178","url":null,"abstract":"","PeriodicalId":54618,"journal":{"name":"Physical Geography","volume":" ","pages":""},"PeriodicalIF":1.6,"publicationDate":"2023-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45561818","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-05-29DOI: 10.1080/02723646.2023.2216954
Motilal Ghimire, Teiji Watanabe, I. Evans
{"title":"Geomorphological significance of the morphometric characteristics of first-order basins in the Siwalik Hills in the Himalayas, Nepal","authors":"Motilal Ghimire, Teiji Watanabe, I. Evans","doi":"10.1080/02723646.2023.2216954","DOIUrl":"https://doi.org/10.1080/02723646.2023.2216954","url":null,"abstract":"","PeriodicalId":54618,"journal":{"name":"Physical Geography","volume":" ","pages":""},"PeriodicalIF":1.6,"publicationDate":"2023-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48307106","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-05-24DOI: 10.1080/02723646.2023.2217059
Hua Wang, Z. Shen, Yuting Yan, Dongfang Liang
{"title":"Assessment of physicochemical properties of suspended sediment in Yangtze river estuary","authors":"Hua Wang, Z. Shen, Yuting Yan, Dongfang Liang","doi":"10.1080/02723646.2023.2217059","DOIUrl":"https://doi.org/10.1080/02723646.2023.2217059","url":null,"abstract":"","PeriodicalId":54618,"journal":{"name":"Physical Geography","volume":"1 1","pages":""},"PeriodicalIF":1.6,"publicationDate":"2023-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42381316","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-05-17DOI: 10.1080/02723646.2023.2212989
T. N. Tonkin
ABSTRACT Within Alpine catchments, glacial landforms are subject to post-depositional reworking during and following deglaciation. Ice-marginal moraines are thought to rapidly stabilise within ~200 years in this topographic context, although ice-proximal slopes are particularly prone to alteration by debris flows and solifluction. This study investigates landform transformation, documenting geomorphological change at the Bas Glacier d’Arolla, Switzerland. Gully development on a moraine slope was assessed using archive image sets obtained in 1977, 1988 and 2009 to derive historical elevation models. Raster differencing suggests that the mean rate of surface lowering on the upper moraine slope was 7.15 ± 1.83 m (± minimum level of detection) over the observation period (1977–2009), a rate of 0.22 m yr−1. The erosion of the landform resulted in an incontiguous moraine crestline. Whilst some landforms may undergo limited transformation upon deglaciation, selected sites are subject to rapid geomorphologic change, involving crestline retreat via the initial dissection by gullies, followed by the removal of inter-gully slopes.
在高山流域，冰川地貌在冰川消融期间和之后受到沉积后的改造。在这种地形背景下，冰缘冰碛被认为在200年内迅速稳定下来，尽管冰缘冰坡特别容易受到泥石流和溶蚀的改变。本研究调查了地形变化，记录了瑞士阿罗拉巴斯冰川的地貌变化。利用1977年、1988年和2009年获得的存档图像集，对冰碛坡上的沟壑发育进行了评估，得出了历史高程模型。栅格差分表明，在观测期内(1977-2009年)，上碛坡面下降的平均速率为7.15±1.83 m(±最小探测水平)，为0.22 m /年。地形的侵蚀形成了不连续的冰碛嵴线。虽然一些地貌在消冰过程中可能会发生有限的变化，但一些选定的地点会发生快速的地貌变化，包括通过沟壑的初始解剖使峰顶线退缩，然后是沟壑间斜坡的移除。
{"title":"The paraglacial adjustment of an Alpine lateral moraine, Bas Glacier d’Arolla, Switzerland","authors":"T. N. Tonkin","doi":"10.1080/02723646.2023.2212989","DOIUrl":"https://doi.org/10.1080/02723646.2023.2212989","url":null,"abstract":"ABSTRACT Within Alpine catchments, glacial landforms are subject to post-depositional reworking during and following deglaciation. Ice-marginal moraines are thought to rapidly stabilise within ~200 years in this topographic context, although ice-proximal slopes are particularly prone to alteration by debris flows and solifluction. This study investigates landform transformation, documenting geomorphological change at the Bas Glacier d’Arolla, Switzerland. Gully development on a moraine slope was assessed using archive image sets obtained in 1977, 1988 and 2009 to derive historical elevation models. Raster differencing suggests that the mean rate of surface lowering on the upper moraine slope was 7.15 ± 1.83 m (± minimum level of detection) over the observation period (1977–2009), a rate of 0.22 m yr−1. The erosion of the landform resulted in an incontiguous moraine crestline. Whilst some landforms may undergo limited transformation upon deglaciation, selected sites are subject to rapid geomorphologic change, involving crestline retreat via the initial dissection by gullies, followed by the removal of inter-gully slopes.","PeriodicalId":54618,"journal":{"name":"Physical Geography","volume":"44 1","pages":"643 - 659"},"PeriodicalIF":1.6,"publicationDate":"2023-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44633059","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-05-11DOI: 10.1080/02723646.2023.2212422
J. Richards, Elizabeth L. Cooke, M. Coombes, Johanna Jones, H. Viles
{"title":"Evaluating the robustness of nature-based solutions: future resilience of sedum-based soft capping as a conservation approach for heritage sites in Britain and Ireland","authors":"J. Richards, Elizabeth L. Cooke, M. Coombes, Johanna Jones, H. Viles","doi":"10.1080/02723646.2023.2212422","DOIUrl":"https://doi.org/10.1080/02723646.2023.2212422","url":null,"abstract":"","PeriodicalId":54618,"journal":{"name":"Physical Geography","volume":" ","pages":""},"PeriodicalIF":1.6,"publicationDate":"2023-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48646204","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-05-04DOI: 10.1080/02723646.2022.2082352
Manas Karmakar, Monali Banerjee, Debasish Ghosh
ABSTRACT The Upper Subarnarekha Kangsabati Interfluve (USKI) belongs to the eastern margin of CGGC, which is part of East Indian Shield. This Proterozoic (1.72–1.87 Ga) terrain had have experienced intensive weathering processes over the long period under different climatic conditions. A total number of 965 Rebound (R) value were collected from eight geomorphic features located in the USKI. In the present study, an attempt has been made to synthesize the history and variation in intensity of weathering using Schmidt hammer (SH). The degree of weathering is calculated using micro-weathering index, which is formulated on Schmidt hammer R-values, collected from deeply weathered (DW) and relatively less weathered (RLW) rock surfaces. The results of the study revealed the different response of diverse types of rock to the geomorphic processes. The weathering grade of each identified geomorphic features has been computed and the results revealed that seven features belong to moderately weathered (grade III) out of eight identified features. The present study is a unique attempt considering multi-cyclic evolution of CGGC to understand the degree of weathering of these studied features, belonging from USKI. This study helps to understand the weathering grade of studied features in quantitative way.
{"title":"Evaluation of micro-weathering index and weathering grade of diverse geomorphic features of proterozoic terrain applying Schmidt hammer","authors":"Manas Karmakar, Monali Banerjee, Debasish Ghosh","doi":"10.1080/02723646.2022.2082352","DOIUrl":"https://doi.org/10.1080/02723646.2022.2082352","url":null,"abstract":"ABSTRACT The Upper Subarnarekha Kangsabati Interfluve (USKI) belongs to the eastern margin of CGGC, which is part of East Indian Shield. This Proterozoic (1.72–1.87 Ga) terrain had have experienced intensive weathering processes over the long period under different climatic conditions. A total number of 965 Rebound (R) value were collected from eight geomorphic features located in the USKI. In the present study, an attempt has been made to synthesize the history and variation in intensity of weathering using Schmidt hammer (SH). The degree of weathering is calculated using micro-weathering index, which is formulated on Schmidt hammer R-values, collected from deeply weathered (DW) and relatively less weathered (RLW) rock surfaces. The results of the study revealed the different response of diverse types of rock to the geomorphic processes. The weathering grade of each identified geomorphic features has been computed and the results revealed that seven features belong to moderately weathered (grade III) out of eight identified features. The present study is a unique attempt considering multi-cyclic evolution of CGGC to understand the degree of weathering of these studied features, belonging from USKI. This study helps to understand the weathering grade of studied features in quantitative way.","PeriodicalId":54618,"journal":{"name":"Physical Geography","volume":"44 1","pages":"362 - 379"},"PeriodicalIF":1.6,"publicationDate":"2023-05-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48427214","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-04-19DOI: 10.1080/02723646.2023.2202932
M. Joshi, G. Kothyari, B. Kotlia
{"title":"Landslide detection in Kinnaur Valley, NW India using PS-InSAR technique","authors":"M. Joshi, G. Kothyari, B. Kotlia","doi":"10.1080/02723646.2023.2202932","DOIUrl":"https://doi.org/10.1080/02723646.2023.2202932","url":null,"abstract":"","PeriodicalId":54618,"journal":{"name":"Physical Geography","volume":" ","pages":""},"PeriodicalIF":1.6,"publicationDate":"2023-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45356134","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-04-17DOI: 10.1080/02723646.2023.2202934
Madhukar Srigyan, N. Tripathi, Sudheer Kumar Singh, B. P. Rathore, S. Oza, I. Bahuguna
ABSTRACT The majority of studies discuss the impact of supraglacial debris on glaciers’ health while the rationale behind the formation and regional distribution of supraglacial debris in the Himalayan-Karakoram (H-K) region is sparsely researched. The present study attempts to evaluate the role of meteorological, topographical, and geological parameters to understand the regional distribution and plausible genesis of supraglacial debris in the H-K area. Glacier-wise Fractional Debris Cover (FDC) for ~5000 glaciers have been estimated using LANDSAT-7 data (1999–2001) based on the Normalized Difference Snow Index. The aforementioned parameters, including FDC, are compiled into a comprehensive database and analysed. Moreover, “2-meter air temperature” from ERA-5 climatological data is used to estimate the number of Freeze–Thaw Cycles. Overall meteorological and topographical parameters show a significant correlation with the distribution of FDC across the H-K region, more prominently for glaciers having low FDC (<0.2). FDC distribution shows a strong dependency on glacier hypsometry with the highest FDC for “Very Bottom Heavy” glaciers and the lowest for “Very Top Heavy” glaciers. The glaciers with Limestone bearing lithology have maximum FDC and are sparsely distributed, but the glaciers with quartzite bearing lithology are widely distributed across the region and have lower FDC.
{"title":"Understanding the spatial distribution and plausible genesis of supraglacial debris over the Himalaya-Karakoram region","authors":"Madhukar Srigyan, N. Tripathi, Sudheer Kumar Singh, B. P. Rathore, S. Oza, I. Bahuguna","doi":"10.1080/02723646.2023.2202934","DOIUrl":"https://doi.org/10.1080/02723646.2023.2202934","url":null,"abstract":"ABSTRACT The majority of studies discuss the impact of supraglacial debris on glaciers’ health while the rationale behind the formation and regional distribution of supraglacial debris in the Himalayan-Karakoram (H-K) region is sparsely researched. The present study attempts to evaluate the role of meteorological, topographical, and geological parameters to understand the regional distribution and plausible genesis of supraglacial debris in the H-K area. Glacier-wise Fractional Debris Cover (FDC) for ~5000 glaciers have been estimated using LANDSAT-7 data (1999–2001) based on the Normalized Difference Snow Index. The aforementioned parameters, including FDC, are compiled into a comprehensive database and analysed. Moreover, “2-meter air temperature” from ERA-5 climatological data is used to estimate the number of Freeze–Thaw Cycles. Overall meteorological and topographical parameters show a significant correlation with the distribution of FDC across the H-K region, more prominently for glaciers having low FDC (<0.2). FDC distribution shows a strong dependency on glacier hypsometry with the highest FDC for “Very Bottom Heavy” glaciers and the lowest for “Very Top Heavy” glaciers. The glaciers with Limestone bearing lithology have maximum FDC and are sparsely distributed, but the glaciers with quartzite bearing lithology are widely distributed across the region and have lower FDC.","PeriodicalId":54618,"journal":{"name":"Physical Geography","volume":"44 1","pages":"620 - 642"},"PeriodicalIF":1.6,"publicationDate":"2023-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48703991","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-03-15DOI: 10.1080/02723646.2023.2188633
Z. Zafar, M. S. Mehmood, Ammar Akbar, Muhammad Afzaal Khan
ABSTRACT Surface water and snow cover in mountainous areas are sensitive to climate change. Pakistan’s irrigation water supply primarily depends on the Indus River. Identifying the spatio-temporal dynamics, response patterns of snow cover area (SCA) and surface water bodies (SWB) to climate change are vital for understanding the changes in the hydrological process of the Indus basin. Therefore, the SWB area was investigated using surface reflectance data (MOD09A1) from the Moderate Resolution Imaging Spectroradiometer (MODIS) and SCA changes were examined using MODIS snow cover data (MOD10A2) from 2009 to 2018 in Gilgit Baltistan with respect to climatic variables. According to results the SWB area in Gilgit Baltistan, for annual, summer and winter, changes at the rate of −0.00057% yr−1 (p > 0.05), −0.00042% yr−1 (p > 0.05) and 0.00037% yr−1 (p > 0.05), respectively. Moreover, annual mean temperature and the SWB exhibited a negative correlation (r = −0.244, p > 0.05) and correlation between SWB and total annual precipitation was positive (r = 0.535, p > 0.05). However, SCA of Gilgit Baltistan changed at the rate of −0.396% yr−1 (p < 0.05), −0.940% yr−1 (p < 0.05) and −0.253% yr−1 (p > 0.05) for annual, summer and winter, respectively. Furthermore, annual mean temperature and SCA exhibited a negative correlation (r = −0.731, p < 0.05), whereas annual total precipitation and SCA showed a positive correlation (r = 0.636, p < 0.05). These results indicated that climate had been significantly affected the SCA and SWB of the Gilgit Baltistan.
{"title":"Spatiotemporal dynamics analysis of surface water body and snow cover area to climate change in Gilgit Baltistan, Pakistan","authors":"Z. Zafar, M. S. Mehmood, Ammar Akbar, Muhammad Afzaal Khan","doi":"10.1080/02723646.2023.2188633","DOIUrl":"https://doi.org/10.1080/02723646.2023.2188633","url":null,"abstract":"ABSTRACT Surface water and snow cover in mountainous areas are sensitive to climate change. Pakistan’s irrigation water supply primarily depends on the Indus River. Identifying the spatio-temporal dynamics, response patterns of snow cover area (SCA) and surface water bodies (SWB) to climate change are vital for understanding the changes in the hydrological process of the Indus basin. Therefore, the SWB area was investigated using surface reflectance data (MOD09A1) from the Moderate Resolution Imaging Spectroradiometer (MODIS) and SCA changes were examined using MODIS snow cover data (MOD10A2) from 2009 to 2018 in Gilgit Baltistan with respect to climatic variables. According to results the SWB area in Gilgit Baltistan, for annual, summer and winter, changes at the rate of −0.00057% yr−1 (p > 0.05), −0.00042% yr−1 (p > 0.05) and 0.00037% yr−1 (p > 0.05), respectively. Moreover, annual mean temperature and the SWB exhibited a negative correlation (r = −0.244, p > 0.05) and correlation between SWB and total annual precipitation was positive (r = 0.535, p > 0.05). However, SCA of Gilgit Baltistan changed at the rate of −0.396% yr−1 (p < 0.05), −0.940% yr−1 (p < 0.05) and −0.253% yr−1 (p > 0.05) for annual, summer and winter, respectively. Furthermore, annual mean temperature and SCA exhibited a negative correlation (r = −0.731, p < 0.05), whereas annual total precipitation and SCA showed a positive correlation (r = 0.636, p < 0.05). These results indicated that climate had been significantly affected the SCA and SWB of the Gilgit Baltistan.","PeriodicalId":54618,"journal":{"name":"Physical Geography","volume":"44 1","pages":"600 - 619"},"PeriodicalIF":1.6,"publicationDate":"2023-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43187917","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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