Ice Complex chronologies and environments in western Beringia
Polygon tundra with tundra-steppe vegetation cover and growing syngenetic ice-wedge nets evolved during stadial and interstadial periods of the late Quaternary in non-glaciated Beringia. The depositional relict of such environments is called Ice Complex (IC; ледовый комплекс [ledovyi kompleks] in Ru...
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Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research International Permafrost Association
2016
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ftawi:oai:epic.awi.de:42025 2024-09-15T18:11:25+00:00 Ice Complex chronologies and environments in western Beringia Wetterich, Sebastian Tumskoy, Vladimir Rudaya, Natalia Andreev, Andreev Kuznetsov, Vladislav Fuchs, Margret C. Schwamborn, Georg Opel, Thomas Meyer, Hanno Schirrmeister, Lutz 2016-06 application/pdf https://epic.awi.de/id/eprint/42025/ https://epic.awi.de/id/eprint/42025/1/ICOP_poster_printed.pdf https://hdl.handle.net/10013/epic.48819 https://hdl.handle.net/10013/epic.48819.d001 unknown Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research International Permafrost Association https://epic.awi.de/id/eprint/42025/1/ICOP_poster_printed.pdf https://hdl.handle.net/10013/epic.48819.d001 Wetterich, S. orcid:0000-0001-9234-1192 , Tumskoy, V. , Rudaya, N. , Andreev, A. , Kuznetsov, V. , Fuchs, M. C. , Schwamborn, G. , Opel, T. orcid:0000-0003-1315-8256 , Meyer, H. orcid:0000-0003-4129-4706 and Schirrmeister, L. orcid:0000-0001-9455-0596 (2016) Ice Complex chronologies and environments in western Beringia , XI. International Conference On Permafrost, Potsdam, 20 June 2016 - 24 June 2016 . doi:10.2312/GFZ.LIS.2016.001 <https://doi.org/10.2312/GFZ.LIS.2016.001> , hdl:10013/epic.48819 EPIC3XI. International Conference On Permafrost, Potsdam, 2016-06-20-2016-06-24Potsdam, Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research International Permafrost Association Conference notRev 2016 ftawi https://doi.org/10.2312/GFZ.LIS.2016.001 2024-06-24T04:15:36Z Polygon tundra with tundra-steppe vegetation cover and growing syngenetic ice-wedge nets evolved during stadial and interstadial periods of the late Quaternary in non-glaciated Beringia. The depositional relict of such environments is called Ice Complex (IC; ледовый комплекс [ledovyi kompleks] in Russian) permafrost. The IC archives preserve information of past periglacial and climate landscape conditions of mid- and late Pleistocene Beringian environments. In certain locations of the East Siberian Arctic, IC remnants of different age and extent are known. While using IC deposits as archives of palaeo-landscape and palaeo-environmental dynamics, summer and winter conditions over large time-scales are detectable. Commonly applied summer proxy include palaeontological proxy such as pollen, plant macrofossils, insect fossils and, most prominent, mammal fossils of the Mammoth fauna, while geochemical and stable isotope properties of ground ice allow for insights into freezing and winter conditions. IC chronologies are challenging because the deposition and post-sedimentary preservation of ice-rich permafrost are triggered by palaeo-relief settings and related processes as well as by the intensity of thermokarst. This complicates geochronological interpretations, as representatives of consecutive late Quaternary periods may be found at laterally different positions and altitudes in coastal and riverine exposures. Shifts between permafrost aggradation and degradation over time frequently cause gaps in sequences. Furthermore, numerical dating of IC mainly includes different approaches such as radiocarbon (14C) dating of organic material, infrared and optically-stimulated luminescence (IRSL, OSL) dating on feldspar and quartz grains, radioisotope disequilibria of thorium-230 to uranium-234 (230Th/U) dating of peat, and chlorine-36 to chloride ratios (36Cl/Cl) of ground ice. The application of various geochronologic methods to cover the age intervals of certain IC deposits implies that different permafrost components ... Conference Object Ice permafrost Thermokarst Tundra wedge* Beringia Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) |
institution |
Open Polar |
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Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) |
op_collection_id |
ftawi |
language |
unknown |
description |
Polygon tundra with tundra-steppe vegetation cover and growing syngenetic ice-wedge nets evolved during stadial and interstadial periods of the late Quaternary in non-glaciated Beringia. The depositional relict of such environments is called Ice Complex (IC; ледовый комплекс [ledovyi kompleks] in Russian) permafrost. The IC archives preserve information of past periglacial and climate landscape conditions of mid- and late Pleistocene Beringian environments. In certain locations of the East Siberian Arctic, IC remnants of different age and extent are known. While using IC deposits as archives of palaeo-landscape and palaeo-environmental dynamics, summer and winter conditions over large time-scales are detectable. Commonly applied summer proxy include palaeontological proxy such as pollen, plant macrofossils, insect fossils and, most prominent, mammal fossils of the Mammoth fauna, while geochemical and stable isotope properties of ground ice allow for insights into freezing and winter conditions. IC chronologies are challenging because the deposition and post-sedimentary preservation of ice-rich permafrost are triggered by palaeo-relief settings and related processes as well as by the intensity of thermokarst. This complicates geochronological interpretations, as representatives of consecutive late Quaternary periods may be found at laterally different positions and altitudes in coastal and riverine exposures. Shifts between permafrost aggradation and degradation over time frequently cause gaps in sequences. Furthermore, numerical dating of IC mainly includes different approaches such as radiocarbon (14C) dating of organic material, infrared and optically-stimulated luminescence (IRSL, OSL) dating on feldspar and quartz grains, radioisotope disequilibria of thorium-230 to uranium-234 (230Th/U) dating of peat, and chlorine-36 to chloride ratios (36Cl/Cl) of ground ice. The application of various geochronologic methods to cover the age intervals of certain IC deposits implies that different permafrost components ... |
format |
Conference Object |
author |
Wetterich, Sebastian Tumskoy, Vladimir Rudaya, Natalia Andreev, Andreev Kuznetsov, Vladislav Fuchs, Margret C. Schwamborn, Georg Opel, Thomas Meyer, Hanno Schirrmeister, Lutz |
spellingShingle |
Wetterich, Sebastian Tumskoy, Vladimir Rudaya, Natalia Andreev, Andreev Kuznetsov, Vladislav Fuchs, Margret C. Schwamborn, Georg Opel, Thomas Meyer, Hanno Schirrmeister, Lutz Ice Complex chronologies and environments in western Beringia |
author_facet |
Wetterich, Sebastian Tumskoy, Vladimir Rudaya, Natalia Andreev, Andreev Kuznetsov, Vladislav Fuchs, Margret C. Schwamborn, Georg Opel, Thomas Meyer, Hanno Schirrmeister, Lutz |
author_sort |
Wetterich, Sebastian |
title |
Ice Complex chronologies and environments in western Beringia |
title_short |
Ice Complex chronologies and environments in western Beringia |
title_full |
Ice Complex chronologies and environments in western Beringia |
title_fullStr |
Ice Complex chronologies and environments in western Beringia |
title_full_unstemmed |
Ice Complex chronologies and environments in western Beringia |
title_sort |
ice complex chronologies and environments in western beringia |
publisher |
Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research International Permafrost Association |
publishDate |
2016 |
url |
https://epic.awi.de/id/eprint/42025/ https://epic.awi.de/id/eprint/42025/1/ICOP_poster_printed.pdf https://hdl.handle.net/10013/epic.48819 https://hdl.handle.net/10013/epic.48819.d001 |
genre |
Ice permafrost Thermokarst Tundra wedge* Beringia |
genre_facet |
Ice permafrost Thermokarst Tundra wedge* Beringia |
op_source |
EPIC3XI. International Conference On Permafrost, Potsdam, 2016-06-20-2016-06-24Potsdam, Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research International Permafrost Association |
op_relation |
https://epic.awi.de/id/eprint/42025/1/ICOP_poster_printed.pdf https://hdl.handle.net/10013/epic.48819.d001 Wetterich, S. orcid:0000-0001-9234-1192 , Tumskoy, V. , Rudaya, N. , Andreev, A. , Kuznetsov, V. , Fuchs, M. C. , Schwamborn, G. , Opel, T. orcid:0000-0003-1315-8256 , Meyer, H. orcid:0000-0003-4129-4706 and Schirrmeister, L. orcid:0000-0001-9455-0596 (2016) Ice Complex chronologies and environments in western Beringia , XI. International Conference On Permafrost, Potsdam, 20 June 2016 - 24 June 2016 . doi:10.2312/GFZ.LIS.2016.001 <https://doi.org/10.2312/GFZ.LIS.2016.001> , hdl:10013/epic.48819 |
op_doi |
https://doi.org/10.2312/GFZ.LIS.2016.001 |
_version_ |
1810449011420692480 |