1000 year-long summer precipitation and flood frequency record for the North-western Alps (Lake Oeschinen)
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| Formato: | Dataset Open Access |
| Lenguaje: | en |
| Publicado: |
PANGAEA
2018
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| _version_ | 1867169515800887296 |
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| author | Amann, Benjamin Szidat, Sönke Grosjean, Martin |
| author_facet | Amann, Benjamin Szidat, Sönke Grosjean, Martin |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | The recent warming of the global climate is well recognized. However, does a warmer climate also mean a moister climate? Does dry get drier and wet get wetter? There are important questions as they relate to changes in the water cycle and impacts the water resources as well as the frequency and intensity of storms and floods in the near future. In Europe, regional climate models do not show consistent and robust results for future hydroclimatic changes and how extreme events will evolve in response to future climate change. Paleo-hydroclimatic data from natural archives are one of the few means to assess such changes in the longer context. Here, we present an annually-resolved record of warm season (MJJA) precipitation and summer flood frequency from the varved (annually laminated) sediments of proglacial Lake Oeschinen (46°30′N–7°44′E, 1580 m, NW Swiss Alps) back to AD 884. These data sets are inferred from the thickness of annual sediment deposits and the occurrence of flood event layers in the sediments. The chronology of the sediment record is based on multiple varve counts and validated with historical floods chronicled in written documents (back to the 14th century) and 14C AMS dates. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_895063 |
| institution | PANGAEA |
| language | en |
| publishDate | 2018 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | 1000 year-long summer precipitation and flood frequency record for the North-western Alps (Lake Oeschinen) Amann, Benjamin Szidat, Sönke Grosjean, Martin Lake_Oeschinen_082011; PC; Piston corer; Switzerland The recent warming of the global climate is well recognized. However, does a warmer climate also mean a moister climate? Does dry get drier and wet get wetter? There are important questions as they relate to changes in the water cycle and impacts the water resources as well as the frequency and intensity of storms and floods in the near future. In Europe, regional climate models do not show consistent and robust results for future hydroclimatic changes and how extreme events will evolve in response to future climate change. Paleo-hydroclimatic data from natural archives are one of the few means to assess such changes in the longer context. Here, we present an annually-resolved record of warm season (MJJA) precipitation and summer flood frequency from the varved (annually laminated) sediments of proglacial Lake Oeschinen (46°30′N–7°44′E, 1580 m, NW Swiss Alps) back to AD 884. These data sets are inferred from the thickness of annual sediment deposits and the occurrence of flood event layers in the sediments. The chronology of the sediment record is based on multiple varve counts and validated with historical floods chronicled in written documents (back to the 14th century) and 14C AMS dates. |
| title | 1000 year-long summer precipitation and flood frequency record for the North-western Alps (Lake Oeschinen) |
| topic | Lake_Oeschinen_082011; PC; Piston corer; Switzerland |
| url | https://doi.org/10.1594/PANGAEA.895063 |