M. O. Selbesoğlu, H. H. Yavaşoǧlu, M. Karabulut, Özgün Oktar, Vahap Engin Gülal, Hi̇mmet Karaman, Mustafa Ersel Kamaşak
{"title":"Accuracy investigation of GNSS-reflectometry for sea level monitoring on Horseshoe Island, Antarctica: preliminary results of the Turkish permanent GNSS station (TUR1)","authors":"M. O. Selbesoğlu, H. H. Yavaşoǧlu, M. Karabulut, Özgün Oktar, Vahap Engin Gülal, Hi̇mmet Karaman, Mustafa Ersel Kamaşak","doi":"10.55730/1300-0985.1890","DOIUrl":"https://doi.org/10.55730/1300-0985.1890","url":null,"abstract":"","PeriodicalId":49411,"journal":{"name":"Turkish Journal of Earth Sciences","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2023-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139223688","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}
M. Özyurt, Yılmaz Demi̇r, Korhan Özkan, Raif Kandemir
{"title":"Geochemistry of the Lake Sediments on Robert Island, South Shetland Islands, Antarctica: implications for weathering processes in Polar areas","authors":"M. Özyurt, Yılmaz Demi̇r, Korhan Özkan, Raif Kandemir","doi":"10.55730/1300-0985.1885","DOIUrl":"https://doi.org/10.55730/1300-0985.1885","url":null,"abstract":"","PeriodicalId":49411,"journal":{"name":"Turkish Journal of Earth Sciences","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2023-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139219099","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}
{"title":"Applicability of real-time PPP technique in polar regions as an accurate and efficient real-time positioning system","authors":"R. M. Alkan, S. Erol, Bilal Mutlu","doi":"10.55730/1300-0985.1891","DOIUrl":"https://doi.org/10.55730/1300-0985.1891","url":null,"abstract":"","PeriodicalId":49411,"journal":{"name":"Turkish Journal of Earth Sciences","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2023-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139224649","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}
Müge Şenel, H. H. Yavaşoǧlu, Burcu Özsoy, Hi̇mmet Karaman, Mustafa Ümi̇t Gümüşay
{"title":"WebGIS-based data center design for polar science studies: simulation of Türkiye","authors":"Müge Şenel, H. H. Yavaşoǧlu, Burcu Özsoy, Hi̇mmet Karaman, Mustafa Ümi̇t Gümüşay","doi":"10.55730/1300-0985.1893","DOIUrl":"https://doi.org/10.55730/1300-0985.1893","url":null,"abstract":"","PeriodicalId":49411,"journal":{"name":"Turkish Journal of Earth Sciences","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2023-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139215347","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}
. Abstract: The Antarctic Peninsula has been rapidly warming, resulting in changes to the abundance and surface cover of terrestrial aquatic ecosystems, as well as their ecosystem structure and function. Therefore, comparative studies of aquatic ecosystems across large latitudinal gradients can be useful in better understanding these changes and making more reliable predictions regarding the consequences of climate change. During Turkish Antarctic Expeditions in 2018 and 2019, samples were collected from 10 lakes and 3 ponds across Maritime Antarctica (north-western coasts of the Antarctic Peninsula). These lakes and ponds were located on Ardley, Robert, Livingstone, Galindez, and Horseshoe islands, covering a latitudinal gradient of over 800 km. Snapshot samplings were conducted of the water chemistry, including nutrient, major ion, and trace metal concentrations, as well as pigment compositions representing the primary productivity and plankton community composition. These lakes and ponds had large variations in nutrient concentrations (0.8–771 µg/L PO 4 and 30–886 µg/L total dissolved inorganic N) and conductivity (30–735 µS), representing a trophic status ranging from ultra-oligotrophic to a few eutrophic sites (for example a pond near penguin colonies). The total productivity, measured as the chlorophyll-a (Chl-a) level, was generally low (0.02–3.2 µg/L) in the lakes, reflecting their oligotrophic characteristics. However, the composition of pigments in the water column showed significant variation across the lakes. Both the patterns in the total Chl-a concentrations and pigment compositions reflected the patterns in conductivity and nutrient gradients across the lakes. Overall, the observed patterns suggested a predominant role of nutrient transport from the sea in driving the chemical composition and primary productivity of Antarctic lakes, mediated by the distance to the sea, as well as the activities of seals and penguin colonies.
{"title":"Water chemistry and pigment composition of 13 lakes and ponds in Maritime Antarctica","authors":"Korhan Özkan","doi":"10.55730/1300-0985.1888","DOIUrl":"https://doi.org/10.55730/1300-0985.1888","url":null,"abstract":". Abstract: The Antarctic Peninsula has been rapidly warming, resulting in changes to the abundance and surface cover of terrestrial aquatic ecosystems, as well as their ecosystem structure and function. Therefore, comparative studies of aquatic ecosystems across large latitudinal gradients can be useful in better understanding these changes and making more reliable predictions regarding the consequences of climate change. During Turkish Antarctic Expeditions in 2018 and 2019, samples were collected from 10 lakes and 3 ponds across Maritime Antarctica (north-western coasts of the Antarctic Peninsula). These lakes and ponds were located on Ardley, Robert, Livingstone, Galindez, and Horseshoe islands, covering a latitudinal gradient of over 800 km. Snapshot samplings were conducted of the water chemistry, including nutrient, major ion, and trace metal concentrations, as well as pigment compositions representing the primary productivity and plankton community composition. These lakes and ponds had large variations in nutrient concentrations (0.8–771 µg/L PO 4 and 30–886 µg/L total dissolved inorganic N) and conductivity (30–735 µS), representing a trophic status ranging from ultra-oligotrophic to a few eutrophic sites (for example a pond near penguin colonies). The total productivity, measured as the chlorophyll-a (Chl-a) level, was generally low (0.02–3.2 µg/L) in the lakes, reflecting their oligotrophic characteristics. However, the composition of pigments in the water column showed significant variation across the lakes. Both the patterns in the total Chl-a concentrations and pigment compositions reflected the patterns in conductivity and nutrient gradients across the lakes. Overall, the observed patterns suggested a predominant role of nutrient transport from the sea in driving the chemical composition and primary productivity of Antarctic lakes, mediated by the distance to the sea, as well as the activities of seals and penguin colonies.","PeriodicalId":49411,"journal":{"name":"Turkish Journal of Earth Sciences","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2023-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139219222","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}
{"title":"Exploring crowdsourcing accountability for mapping Antarctica: a case study using 5 years of social media data","authors":"Ayşe Gi̇z Gülnerman Gengeç","doi":"10.55730/1300-0985.1892","DOIUrl":"https://doi.org/10.55730/1300-0985.1892","url":null,"abstract":"","PeriodicalId":49411,"journal":{"name":"Turkish Journal of Earth Sciences","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2023-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139224054","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}
F. Karaoglan, Burcu Karataş, Yavuz Özdemi̇r, Erhan Gülyüz, Oleg Vassilev, M. O. Selbesoğlu, Semih Gi̇ldi̇r
{"title":"The geo/thermochronology of Dismal Island (Marguerite Bay, Antarctic Peninsula)","authors":"F. Karaoglan, Burcu Karataş, Yavuz Özdemi̇r, Erhan Gülyüz, Oleg Vassilev, M. O. Selbesoğlu, Semih Gi̇ldi̇r","doi":"10.55730/1300-0985.1887","DOIUrl":"https://doi.org/10.55730/1300-0985.1887","url":null,"abstract":"","PeriodicalId":49411,"journal":{"name":"Turkish Journal of Earth Sciences","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2023-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139219398","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}
{"title":"Middle Eocene Alveolina-dominated benthic foraminiferal assemblages of the western flank of the Isparta Angle (SW Türkiye): Taxonomy, biostratigraphy, microfacies analysis, and paleoenvironmental implications","authors":"Alper Bozkurt, M. Görmüş, Banu Türkmen Bozkurt","doi":"10.55730/1300-0985.1879","DOIUrl":"https://doi.org/10.55730/1300-0985.1879","url":null,"abstract":"","PeriodicalId":49411,"journal":{"name":"Turkish Journal of Earth Sciences","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2023-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139265305","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}
{"title":"Mapping crustal structure and deformation using gravity data in the Bursa Basin and surroundings, Türkiye","authors":"Bülent Oruç, Emir Balkan","doi":"10.55730/1300-0985.1883","DOIUrl":"https://doi.org/10.55730/1300-0985.1883","url":null,"abstract":"","PeriodicalId":49411,"journal":{"name":"Turkish Journal of Earth Sciences","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2023-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139264865","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}
{"title":"More evidence of tropical conditions in the Middle Eocene Climatic Optimum (MECO) with new fossil woods from North-Central Türkiye","authors":"Ü. Akkemik, Fikret Koçbulut, Özlem Toprak, Umut Tunç","doi":"10.55730/1300-0985.1880","DOIUrl":"https://doi.org/10.55730/1300-0985.1880","url":null,"abstract":"","PeriodicalId":49411,"journal":{"name":"Turkish Journal of Earth Sciences","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2023-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139263840","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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