Benthic investigations at the Arctic long-term deep-sea observatory HAUSGARTEN: results from the first 15 years of investigation
The past decades have seen remarkable changes in key arctic variables, including a decrease in sea-ice extent and sea-ice thickness, changes in temperature and salinity of arctic waters, and associated shifts in nutrient distributions. To detect and track the impact of large-scale environmental chan...
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ftawi:oai:epic.awi.de:52009 2024-09-15T17:36:38+00:00 Benthic investigations at the Arctic long-term deep-sea observatory HAUSGARTEN: results from the first 15 years of investigation Hasemann, Christiane Schewe, Ingo Soltwedel, Thomas 2020-05-08 https://epic.awi.de/id/eprint/52009/ https://hdl.handle.net/10013/epic.b44a6feb-5b98-411e-ac9d-ecf949dc0a14 unknown Hasemann, C. , Schewe, I. orcid:0000-0003-3372-3224 and Soltwedel, T. orcid:0000-0002-8214-5937 (2020) Benthic investigations at the Arctic long-term deep-sea observatory HAUSGARTEN: results from the first 15 years of investigation , EGU General Assembly, Vienna, Austria (online), 4 May 2020 - 8 May 2020 . hdl:10013/epic.b44a6feb-5b98-411e-ac9d-ecf949dc0a14 EPIC3EGU General Assembly, Vienna, Austria (online), 2020-05-04-2020-05-08 Conference notRev 2020 ftawi 2024-06-24T04:24:41Z The past decades have seen remarkable changes in key arctic variables, including a decrease in sea-ice extent and sea-ice thickness, changes in temperature and salinity of arctic waters, and associated shifts in nutrient distributions. To detect and track the impact of large-scale environmental changes in the transition zone between the northern North Atlantic and the central Arctic Ocean, the Alfred Wegener Institute for Polar and Marine Research (AWI) established in 1999 about 150 km west of Svalbard the deep-sea long-term observatory HAUSGARTEN, which constitutes the first, and until now only open-ocean long-term station in a polar region. 21 permanent sampling sites along a depth transect between 1000 – 5500 m, and along a latitudinal transect following the 2500 m water depth isobath are revisited yearly. The central HAUSGARTEN station serves as an experimental area for biological short- and long-term experiments at the deep seafloor, simulating various scenarios in changing environmental settings. Multidisciplinary research activities at HAUSGARTEN comprise biochemical analyses to estimate the input of organic matter from phytodetritus sedimentation and activities and biomasses of the small sediment-inhabiting biota as well as assessments of distribution patterns of benthic organisms (covering size classes from bacteria to meiofauna as well as megafauna). Conference Object Alfred Wegener Institute Arctic Arctic Ocean North Atlantic Sea ice Svalbard Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) |
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Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) |
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ftawi |
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description |
The past decades have seen remarkable changes in key arctic variables, including a decrease in sea-ice extent and sea-ice thickness, changes in temperature and salinity of arctic waters, and associated shifts in nutrient distributions. To detect and track the impact of large-scale environmental changes in the transition zone between the northern North Atlantic and the central Arctic Ocean, the Alfred Wegener Institute for Polar and Marine Research (AWI) established in 1999 about 150 km west of Svalbard the deep-sea long-term observatory HAUSGARTEN, which constitutes the first, and until now only open-ocean long-term station in a polar region. 21 permanent sampling sites along a depth transect between 1000 – 5500 m, and along a latitudinal transect following the 2500 m water depth isobath are revisited yearly. The central HAUSGARTEN station serves as an experimental area for biological short- and long-term experiments at the deep seafloor, simulating various scenarios in changing environmental settings. Multidisciplinary research activities at HAUSGARTEN comprise biochemical analyses to estimate the input of organic matter from phytodetritus sedimentation and activities and biomasses of the small sediment-inhabiting biota as well as assessments of distribution patterns of benthic organisms (covering size classes from bacteria to meiofauna as well as megafauna). |
format |
Conference Object |
author |
Hasemann, Christiane Schewe, Ingo Soltwedel, Thomas |
spellingShingle |
Hasemann, Christiane Schewe, Ingo Soltwedel, Thomas Benthic investigations at the Arctic long-term deep-sea observatory HAUSGARTEN: results from the first 15 years of investigation |
author_facet |
Hasemann, Christiane Schewe, Ingo Soltwedel, Thomas |
author_sort |
Hasemann, Christiane |
title |
Benthic investigations at the Arctic long-term deep-sea observatory HAUSGARTEN: results from the first 15 years of investigation |
title_short |
Benthic investigations at the Arctic long-term deep-sea observatory HAUSGARTEN: results from the first 15 years of investigation |
title_full |
Benthic investigations at the Arctic long-term deep-sea observatory HAUSGARTEN: results from the first 15 years of investigation |
title_fullStr |
Benthic investigations at the Arctic long-term deep-sea observatory HAUSGARTEN: results from the first 15 years of investigation |
title_full_unstemmed |
Benthic investigations at the Arctic long-term deep-sea observatory HAUSGARTEN: results from the first 15 years of investigation |
title_sort |
benthic investigations at the arctic long-term deep-sea observatory hausgarten: results from the first 15 years of investigation |
publishDate |
2020 |
url |
https://epic.awi.de/id/eprint/52009/ https://hdl.handle.net/10013/epic.b44a6feb-5b98-411e-ac9d-ecf949dc0a14 |
genre |
Alfred Wegener Institute Arctic Arctic Ocean North Atlantic Sea ice Svalbard |
genre_facet |
Alfred Wegener Institute Arctic Arctic Ocean North Atlantic Sea ice Svalbard |
op_source |
EPIC3EGU General Assembly, Vienna, Austria (online), 2020-05-04-2020-05-08 |
op_relation |
Hasemann, C. , Schewe, I. orcid:0000-0003-3372-3224 and Soltwedel, T. orcid:0000-0002-8214-5937 (2020) Benthic investigations at the Arctic long-term deep-sea observatory HAUSGARTEN: results from the first 15 years of investigation , EGU General Assembly, Vienna, Austria (online), 4 May 2020 - 8 May 2020 . hdl:10013/epic.b44a6feb-5b98-411e-ac9d-ecf949dc0a14 |
_version_ |
1810490977723351040 |