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Multidecadal sea le...
Multidecadal sea level variability in the Baltic sea and its impact on acceleration estimations
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- Agha Karimi, Armin (författare)
- KTH,Geodesi och satellitpositionering
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- Bagherbandi, Mohammad, Professor (författare)
- Högskolan i Gävle,Samhällsbyggnad,KTH,Geodesi och satellitpositionering,Univ Gävle, Fac Engn & Sustainable Dev, Gävle, Sweden.
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- Horemuz, Milan, PhD. 1964- (författare)
- KTH,Geodesi och satellitpositionering
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(creator_code:org_t)
- 2021-08-20
- 2021
- Engelska.
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Ingår i: Frontiers in Marine Science. - : Frontiers. - 2296-7745. ; 8
- Relaterad länk:
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https://doi.org/10.3...
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Abstract
Ämnesord
Stäng
- Multidecadal sea level variation in the Baltic Sea is investigated from 1900 to 2020 deploying satellite and in situ datasets. As a part of this investigation, nearly 30 years of satellite altimetry data are used to compare with tide gauge data in terms of linear trend. This, in turn, leads to validation of the regional uplift model developed for the Fennoscandia. The role of North Atlantic Oscillation (NAO) in multidecadal variations of the Baltic Sea is also analyzed. Although NAO impacts the Baltic Sea level on seasonal to decadal time scales according to previous studies, it is not a pronounced factor in the multidecadal variations. The acceleration in the sea level rise of the basin is reported as statistically insignificant in recent studies or even decelerating in an investigation of the early 1990s. It is shown that the reason for these results relates to the global warming hiatus in the 1950s−1970s, which can be seen in all eight tide gauges used for this study. To account for the slowdown period, the acceleration in the basin is investigated by fitting linear trends to time spans of six to seven decades, which include the hiatus. These results imply that the sea level rise is accelerated in the Baltic Sea during the period 1900–2020.
Ämnesord
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Klimatforskning (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Climate Research (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Oceanografi, hydrologi och vattenresurser (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Oceanography, Hydrology and Water Resources (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Environmental Sciences (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Geologi (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Geology (hsv//eng)
Nyckelord
- the Baltic Sea
- internal variability
- multidecadal sea level variation
- vertical crustal movement
- sea level acceleration
- Hållbar stadsutveckling
- Sustainable Urban Development
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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