Step changes in time series of spring floods observed in snow dominant regions ...
<!--!introduction!--> In northern Europe, the risks of transport infrastructure and dams are related to changes in volume and magnitude of spring floods happening to rivers. We analyzed step-changes in time series of the spring flood runoff and yearly maximum water discharges that happened on...
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GFZ German Research Centre for Geosciences
2023
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Online Access: | https://dx.doi.org/10.57757/iugg23-2313 https://gfzpublic.gfz-potsdam.de/pubman/item/item_5018431 |
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ftdatacite:10.57757/iugg23-2313 2023-07-23T04:19:35+02:00 Step changes in time series of spring floods observed in snow dominant regions ... Shevnina, Elena 2023 https://dx.doi.org/10.57757/iugg23-2313 https://gfzpublic.gfz-potsdam.de/pubman/item/item_5018431 unknown GFZ German Research Centre for Geosciences Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 Article ConferencePaper Oral 2023 ftdatacite https://doi.org/10.57757/iugg23-2313 2023-07-03T18:07:05Z <!--!introduction!--> In northern Europe, the risks of transport infrastructure and dams are related to changes in volume and magnitude of spring floods happening to rivers. We analyzed step-changes in time series of the spring flood runoff and yearly maximum water discharges that happened on 12 rivers located in Greenland (Denmark), Iceland, Norway, Sweden, Finland and the Russian Federation. The selected rivers are unregulated, with hydrometric records at sites available for 25–160 years. The step (jump) changes were detected wherever in the time series of the volume of spring flood or yearly maximum water discharge collected at 36–45 % of the records. The step changes are detected in 60 % river catchments covered by forest, polar tundra or tundra mixed with glaciated areas. In Finland and northern Russia, most of the step changes date to the early 1980s or 1990s; the step changes the volume and/or magnitude of spring floods have increased on average: by 24 – 38 % of northern Russian rivers, and by ... : The 28th IUGG General Assembly (IUGG2023) (Berlin 2023) ... Conference Object Greenland Iceland Tundra DataCite Metadata Store (German National Library of Science and Technology) Greenland Norway |
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DataCite Metadata Store (German National Library of Science and Technology) |
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<!--!introduction!--> In northern Europe, the risks of transport infrastructure and dams are related to changes in volume and magnitude of spring floods happening to rivers. We analyzed step-changes in time series of the spring flood runoff and yearly maximum water discharges that happened on 12 rivers located in Greenland (Denmark), Iceland, Norway, Sweden, Finland and the Russian Federation. The selected rivers are unregulated, with hydrometric records at sites available for 25–160 years. The step (jump) changes were detected wherever in the time series of the volume of spring flood or yearly maximum water discharge collected at 36–45 % of the records. The step changes are detected in 60 % river catchments covered by forest, polar tundra or tundra mixed with glaciated areas. In Finland and northern Russia, most of the step changes date to the early 1980s or 1990s; the step changes the volume and/or magnitude of spring floods have increased on average: by 24 – 38 % of northern Russian rivers, and by ... : The 28th IUGG General Assembly (IUGG2023) (Berlin 2023) ... |
format |
Conference Object |
author |
Shevnina, Elena |
spellingShingle |
Shevnina, Elena Step changes in time series of spring floods observed in snow dominant regions ... |
author_facet |
Shevnina, Elena |
author_sort |
Shevnina, Elena |
title |
Step changes in time series of spring floods observed in snow dominant regions ... |
title_short |
Step changes in time series of spring floods observed in snow dominant regions ... |
title_full |
Step changes in time series of spring floods observed in snow dominant regions ... |
title_fullStr |
Step changes in time series of spring floods observed in snow dominant regions ... |
title_full_unstemmed |
Step changes in time series of spring floods observed in snow dominant regions ... |
title_sort |
step changes in time series of spring floods observed in snow dominant regions ... |
publisher |
GFZ German Research Centre for Geosciences |
publishDate |
2023 |
url |
https://dx.doi.org/10.57757/iugg23-2313 https://gfzpublic.gfz-potsdam.de/pubman/item/item_5018431 |
geographic |
Greenland Norway |
geographic_facet |
Greenland Norway |
genre |
Greenland Iceland Tundra |
genre_facet |
Greenland Iceland Tundra |
op_rights |
Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 |
op_doi |
https://doi.org/10.57757/iugg23-2313 |
_version_ |
1772182809447759872 |