Monitoring of extreme land hydrology events in central Poland using GRACE, land surface models and absolute gravity data

J. Kuczyńska-Siehień , D. Piretzidis , Michael G. Sideris , Tomasz Olszak , Viktor Szabo

Abstract

This study deals with the analysis of temporal gravity variations in central Poland, deduced from multiple sources and covering the period from 2002–2016. The gravity data sets used comprise GRACE monthly solutions, GLDAS land surface models and absolute gravimeter measurements from the FG-5 gravimeter located in Józefosław, Poland. All data are corrected using standard processing methods in order to include the same gravity effects. After removing the annual and semi-annual components from all data using least-squares spectral analysis and seasonal-trend decomposition, the deseasoned time series are derived and examined for signatures of extreme hydrological events. The signatures of several severe drought and flood conditions affecting Poland and central Europe are identified. A complementary correlation analysis is performed to assess the level of agreement between different data sources. A higher correlation is shown when the analysis is restricted in the 2009–2012 period that includes the 2010 extreme flood and 2011 increased precipitation events, both affecting Poland.
Author J. Kuczyńska-Siehień
J. Kuczyńska-Siehień,,
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, D. Piretzidis
D. Piretzidis,,
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, Michael G. Sideris
Michael G. Sideris,,
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, Tomasz Olszak (FGC / CGGA)
Tomasz Olszak,,
- Chair of Geodesy and Geodetic Astronomy
, Viktor Szabo (FGC / CGGA)
Viktor Szabo,,
- Chair of Geodesy and Geodetic Astronomy
Journal seriesJournal of Applied Geodesy, ISSN 1862-9016, e-ISSN 1862-9024, (0 pkt)
Issue year2019
Pages1-15
Publication size in sheets0.7
Keywords in EnglishTemporal gravity variations; Local hydrology; Flood monitoring; GRACE; GLDAS; Absolute gravimeter
ASJC Classification1901 Earth and Planetary Sciences (miscellaneous); 2201 Engineering (miscellaneous); 2611 Modelling and Simulation
DOIDOI:10.1515/jag-2019-0003
Internal identifier18/2019
Languageen angielski
Additional file
18_2019 Oświadczenie Olszak Monitoring of extreme.pdf 347.03 KB
Score (nominal)5
ScoreMinisterial score = 5.0, 10-06-2019, ArticleFromJournal
Publication indicators Scopus SNIP (Source Normalised Impact per Paper): 2017 = 1.357
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