Zobrazeno 1 - 10 of 13 pro vyhledávání: '"Olga Ogneva"'
1
Seasonal nitrogen fluxes of the Lena River Delta
Autor: Tina Sanders, Claudia Fiencke, Matthias Fuchs, Charlotte Haugk, Bennet Juhls, Gesine Mollenhauer, Olga Ogneva, Paul Overduin, Juri Palmtag, Vasily Povazhniy, Jens Strauss, Robyn Tuerena, Nadine Zell, Kirstin Dähnke
Publikováno v: EPIC3AMBIO, SPRINGER
Sanders, T.; Fiencke, C.; Fuchs, M.; Haugk, C.; Juhls, B.; Mollenhauer, G.; Ogneva, O.; Overduin, P.; Palmtag, J.; Povazhniy, V.; Strauss, J.; Tuerena, R.; Zell, N.; Dähnke, K.: Seasonal nitrogen fluxes of the Lena River Delta. In: Ambio. Vol. 51 (2022) 2, 423-438. (DOI: /10.1007/s13280-021-01665-0)
Ambio
The Arctic is nutrient limited, particularly by nitrogen, and is impacted by anthropogenic global warming which occurs approximately twice as fast compared to the global average. Arctic warming intensifies thawing of permafrost-affected soils releasi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8e49e591ba74cb5908cf1e150c6f701b
https://doi.org/10.1007/s13280-021-01665-0
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2
Degrading permafrost river catchments and their impact on Arctic Ocean nearshore processes
Autor: Guido Grosse, Paul J. Mann, Jens Strauss, William V. Sobczak, Juri Palmtag, Olga Ogneva, Matthias Fuchs, Paul Overduin, Michael Bedington, Luca Polimene, Gesine Mollenhauer, Robert G. M. Spencer, Kelsey Dowdy, Ricardo Torres, Bennet Juhls, Volker Rachold
Publikováno v: Ambio
Arctic warming is causing ancient perennially frozen ground (permafrost) to thaw, resulting in ground collapse, and reshaping of landscapes. This threatens Arctic peoples' infrastructure, cultural sites, and land-based natural resources. Terrestrial
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::56ab062e0e749e06d3b6c3cbe49a6ef6
https://doi.org/10.1007/s13280-021-01666-z
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6
High-resolution bathymetry models for the Lena Delta and Kolyma Gulf coastal zones
Autor: Guido Grosse, Jens Strauss, Pier Paul Overduin, Olga Ogneva, Ahmed Abdelwahab, Paul J. Mann, Juri Palmtag, Nikita Zimov, Bennet Juhls, Irina Fedorova, Michael Bedington, Matthias Fuchs, Tina Sanders
Publikováno v: EPIC3Earth System Science Data, 14(5), pp. 2279-2301, ISSN: 1866-3516
EPIC3Changing Arctic Ocean End of Programme Science Meeting, 2021-11-30-2021-11-30
Fuchs, M.; Palmtag, J.; Juhls, B.; Overduin, P. P.; Grosse, G.; Abdelwahab, A.; Bedington, M.; Sanders, T.; Ogneva, O.; Fedorova, I. V.; Zimov, N. S.; Mann, P. J.; Strauss, J.: High-resolution bathymetry models for the Lena Delta and Kolyma Gulf coastal zones. In: Earth System Science Data. Vol. 14 (2022) 5, 2279-2301. (DOI: /10.5194/essd-14-2279-2022)
Arctic river deltas and deltaic near-shore zones represent important land–ocean transition zones influencing sediment dynamics and nutrient fluxes from permafrost-affected terrestrial ecosystems into the coastal Arctic Ocean. To accurately model fl
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::62c9b2086b27504c74cea88504d85956
https://hdl.handle.net/10013/epic.b3e07678-c7a2-43c4-b9d4-378ee86e6eb5
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7
Nitrogen isotopic inventory of the Lena River Delta
Autor: Tina Sanders, Claudia Fiencke, Bennet Juhls, Olga Ogneva, Jens Strauss, Robyn Tuerena, Kirstin Dähnke
Permafrost-affected soils around the Arctic Ocean contain a large reservoir of organic matter including nitrogen, which partly reach the river after thawing, degradation and erosion of permafrost. After mobilization, reactive remineralised nitrogen i
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::95a52d92121968890c20825c9bc49d6e
https://doi.org/10.5194/egusphere-egu22-12454
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9
Organic matter characteristics of a rapidly eroding permafrost cliff in NE Siberia (Lena Delta, Laptev Sea region)
Autor: Charlotte Haugk, Loeka Laura Jongejans, Kai Mangelsdorf, Matthias Fuchs, Olga Ogneva, Juri Palmtag, Gesine Mollenhauer, Paul James Mann, Pier Paul Overduin, Guido Grosse, Tina Sanders, Robyn Elizabeth Tuerena, Lutz Schirrmeister, Sebastian Wetterich, Alexander Kizyakov, Cornelia Karger, Jens Strauss
Publikováno v: Biogeosciences
Haugk, C.; Jongejans, L. L.; Mangelsdorf, K.; Fuchs, M.; Ogneva, O.; Palmtag, J.; Mollenhauer, G.; Mann, P. J.; Overduin, P. P.; Grosse, G.; Sanders, T.; Tuerena, R. E.; Schirrmeister, L.; Wetterich, S.; Kizyakov, A.; Karger, C.; Strauss, J.: Organic matter characteristics of a rapidly eroding permafrost cliff in NE Siberia (Lena Delta, Laptev Sea region). In: Biogeosciences. Vol. 19 (2022) 7, 2079-2094. (DOI: /10.5194/bg-19-2079-2022)
EPIC3Biogeosciences, COPERNICUS GESELLSCHAFT MBH, 19, pp. 2079-2094, ISSN: 1726-4170
Organic carbon (OC) stored in Arctic permafrost represents one of Earth’s largest and most vulnerable terrestrial carbon pools. Amplified climate warming across the Arctic results in widespread permafrost thaw. Permafrost deposits exposed at river
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9d6ffccc69eb57bac9750d58bc0476d1
https://bg.copernicus.org/preprints/bg-2021-331/
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10
Seasonal methane and carbon dioxide emissions from the coastal nearshore of the Kolyma river, Siberia
Autor: Mathias Göckede, Paul Overduin, Guido Grosse, Bennet Juhls, Jens Strauss, Michael Bedington, Luca Polimene, Matthias Fuchs, Paul J. Mann, Olga Ogneva, Nikita Zimov, Ricardo da Silva Torres, Cara C. Manning, Juri Palmtag, Gesine Mollenhauer, Paul Lefebvre
Arctic rivers deliver ≈11% of global river discharge into the Arctic Ocean, while this ocean represents only ≈1% of the global ocean volume. Ongoing climate warming across the Arctic, and specifically Siberia, has led to regional-scale changes in
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::baadc76ed7885a27b6033e735112e390
https://doi.org/10.5194/egusphere-egu21-9535
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