Drought indices revisited – improving and testing of drought indices in a simulation of the last two millennia for Europe

Over the past decades, different drought indices have been suggested in the literature. This study tackles the problem of how to characterize droughts by defining a framework and proposing a generalized family of drought indices that is flexible regarding the use of different hydrological fluxes in...
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Autor*in:	Christoph C. Raible [verfasserIn] Oliver Bärenbold [verfasserIn] Juan José Gómez-navarro [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2017

Schlagwörter:	drought indices potential evopotranspiration Europe regional modelling

Übergeordnetes Werk:	In: Tellus: Series A, Dynamic Meteorology and Oceanography - Stockholm University Press, 2012, 69(2017), 1
Übergeordnetes Werk:	volume:69 ; year:2017 ; number:1

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1080/16000870.2017.1296226

Katalog-ID:	DOAJ025497936

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allfieldsGer	10.1080/16000870.2017.1296226 doi (DE-627)DOAJ025497936 (DE-599)DOAJ8489c56d23a64b759bfcfb0bf0b6ec47 DE-627 ger DE-627 rakwb eng GC1-1581 QC851-999 Christoph C. Raible verfasserin aut Drought indices revisited – improving and testing of drought indices in a simulation of the last two millennia for Europe 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Over the past decades, different drought indices have been suggested in the literature. This study tackles the problem of how to characterize droughts by defining a framework and proposing a generalized family of drought indices that is flexible regarding the use of different hydrological fluxes in the water balance. The sensitivity of various indices and its skill to represent drought conditions is evaluated using a regional model simulation for Europe spanning the last two millennia as test bed. The framework combines an exponentially damped memory with a normalization method based on quantile mapping. Both approaches are more robust and physically meaningful compared to the existing methods used to define drought indices. Still, the framework is flexible with respect to hydrological fluxes used for the water balance, enabling users to adapt the index formulation to the data availability of different locations. Based on it, indices using different hydrological fluxes in the water balance are compared with each other showing that a drought index considering only precipitation in the water balance is sufficient for western to central Europe. In the Mediterranean, temperature effects via evapotranspiration rather than potential evapotranspiration, need to be considered to produce meaningful indices representative of water deficit. In addition, our results indicate that in north-eastern Europe and Scandinavia, snow and run-off effects need to be considered simultaneously in the index definition to obtain accurate results. drought indices potential evopotranspiration Europe regional modelling Oceanography Meteorology. Climatology Oliver Bärenbold verfasserin aut Juan José Gómez-navarro verfasserin aut In Tellus: Series A, Dynamic Meteorology and Oceanography Stockholm University Press, 2012 69(2017), 1 (DE-627)324455895 (DE-600)2026987-0 16000870 nnns volume:69 year:2017 number:1 https://doi.org/10.1080/16000870.2017.1296226 kostenfrei https://doaj.org/article/8489c56d23a64b759bfcfb0bf0b6ec47 kostenfrei http://dx.doi.org/10.1080/16000870.2017.1296226 kostenfrei https://doaj.org/toc/1600-0870 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 69 2017 1
allfieldsSound	10.1080/16000870.2017.1296226 doi (DE-627)DOAJ025497936 (DE-599)DOAJ8489c56d23a64b759bfcfb0bf0b6ec47 DE-627 ger DE-627 rakwb eng GC1-1581 QC851-999 Christoph C. Raible verfasserin aut Drought indices revisited – improving and testing of drought indices in a simulation of the last two millennia for Europe 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Over the past decades, different drought indices have been suggested in the literature. This study tackles the problem of how to characterize droughts by defining a framework and proposing a generalized family of drought indices that is flexible regarding the use of different hydrological fluxes in the water balance. The sensitivity of various indices and its skill to represent drought conditions is evaluated using a regional model simulation for Europe spanning the last two millennia as test bed. The framework combines an exponentially damped memory with a normalization method based on quantile mapping. Both approaches are more robust and physically meaningful compared to the existing methods used to define drought indices. Still, the framework is flexible with respect to hydrological fluxes used for the water balance, enabling users to adapt the index formulation to the data availability of different locations. Based on it, indices using different hydrological fluxes in the water balance are compared with each other showing that a drought index considering only precipitation in the water balance is sufficient for western to central Europe. In the Mediterranean, temperature effects via evapotranspiration rather than potential evapotranspiration, need to be considered to produce meaningful indices representative of water deficit. In addition, our results indicate that in north-eastern Europe and Scandinavia, snow and run-off effects need to be considered simultaneously in the index definition to obtain accurate results. drought indices potential evopotranspiration Europe regional modelling Oceanography Meteorology. Climatology Oliver Bärenbold verfasserin aut Juan José Gómez-navarro verfasserin aut In Tellus: Series A, Dynamic Meteorology and Oceanography Stockholm University Press, 2012 69(2017), 1 (DE-627)324455895 (DE-600)2026987-0 16000870 nnns volume:69 year:2017 number:1 https://doi.org/10.1080/16000870.2017.1296226 kostenfrei https://doaj.org/article/8489c56d23a64b759bfcfb0bf0b6ec47 kostenfrei http://dx.doi.org/10.1080/16000870.2017.1296226 kostenfrei https://doaj.org/toc/1600-0870 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 69 2017 1
language	English
source	In Tellus: Series A, Dynamic Meteorology and Oceanography 69(2017), 1 volume:69 year:2017 number:1
sourceStr	In Tellus: Series A, Dynamic Meteorology and Oceanography 69(2017), 1 volume:69 year:2017 number:1
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	drought indices potential evopotranspiration Europe regional modelling Oceanography Meteorology. Climatology
isfreeaccess_bool	true
container_title	Tellus: Series A, Dynamic Meteorology and Oceanography
authorswithroles_txt_mv	Christoph C. Raible @@aut@@ Oliver Bärenbold @@aut@@ Juan José Gómez-navarro @@aut@@
publishDateDaySort_date	2017-01-01T00:00:00Z
hierarchy_top_id	324455895
id	DOAJ025497936
language_de	englisch
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callnumber-first	G - Geography, Anthropology, Recreation
author	Christoph C. Raible
spellingShingle	Christoph C. Raible misc GC1-1581 misc QC851-999 misc drought indices misc potential evopotranspiration misc Europe misc regional modelling misc Oceanography misc Meteorology. Climatology Drought indices revisited – improving and testing of drought indices in a simulation of the last two millennia for Europe
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topic_title	GC1-1581 QC851-999 Drought indices revisited – improving and testing of drought indices in a simulation of the last two millennia for Europe drought indices potential evopotranspiration Europe regional modelling
topic	misc GC1-1581 misc QC851-999 misc drought indices misc potential evopotranspiration misc Europe misc regional modelling misc Oceanography misc Meteorology. Climatology
topic_unstemmed	misc GC1-1581 misc QC851-999 misc drought indices misc potential evopotranspiration misc Europe misc regional modelling misc Oceanography misc Meteorology. Climatology
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title	Drought indices revisited – improving and testing of drought indices in a simulation of the last two millennia for Europe
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title_full	Drought indices revisited – improving and testing of drought indices in a simulation of the last two millennia for Europe
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author_browse	Christoph C. Raible Oliver Bärenbold Juan José Gómez-navarro
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title_sort	drought indices revisited – improving and testing of drought indices in a simulation of the last two millennia for europe
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title_auth	Drought indices revisited – improving and testing of drought indices in a simulation of the last two millennia for Europe
abstract	Over the past decades, different drought indices have been suggested in the literature. This study tackles the problem of how to characterize droughts by defining a framework and proposing a generalized family of drought indices that is flexible regarding the use of different hydrological fluxes in the water balance. The sensitivity of various indices and its skill to represent drought conditions is evaluated using a regional model simulation for Europe spanning the last two millennia as test bed. The framework combines an exponentially damped memory with a normalization method based on quantile mapping. Both approaches are more robust and physically meaningful compared to the existing methods used to define drought indices. Still, the framework is flexible with respect to hydrological fluxes used for the water balance, enabling users to adapt the index formulation to the data availability of different locations. Based on it, indices using different hydrological fluxes in the water balance are compared with each other showing that a drought index considering only precipitation in the water balance is sufficient for western to central Europe. In the Mediterranean, temperature effects via evapotranspiration rather than potential evapotranspiration, need to be considered to produce meaningful indices representative of water deficit. In addition, our results indicate that in north-eastern Europe and Scandinavia, snow and run-off effects need to be considered simultaneously in the index definition to obtain accurate results.
abstractGer	Over the past decades, different drought indices have been suggested in the literature. This study tackles the problem of how to characterize droughts by defining a framework and proposing a generalized family of drought indices that is flexible regarding the use of different hydrological fluxes in the water balance. The sensitivity of various indices and its skill to represent drought conditions is evaluated using a regional model simulation for Europe spanning the last two millennia as test bed. The framework combines an exponentially damped memory with a normalization method based on quantile mapping. Both approaches are more robust and physically meaningful compared to the existing methods used to define drought indices. Still, the framework is flexible with respect to hydrological fluxes used for the water balance, enabling users to adapt the index formulation to the data availability of different locations. Based on it, indices using different hydrological fluxes in the water balance are compared with each other showing that a drought index considering only precipitation in the water balance is sufficient for western to central Europe. In the Mediterranean, temperature effects via evapotranspiration rather than potential evapotranspiration, need to be considered to produce meaningful indices representative of water deficit. In addition, our results indicate that in north-eastern Europe and Scandinavia, snow and run-off effects need to be considered simultaneously in the index definition to obtain accurate results.
abstract_unstemmed	Over the past decades, different drought indices have been suggested in the literature. This study tackles the problem of how to characterize droughts by defining a framework and proposing a generalized family of drought indices that is flexible regarding the use of different hydrological fluxes in the water balance. The sensitivity of various indices and its skill to represent drought conditions is evaluated using a regional model simulation for Europe spanning the last two millennia as test bed. The framework combines an exponentially damped memory with a normalization method based on quantile mapping. Both approaches are more robust and physically meaningful compared to the existing methods used to define drought indices. Still, the framework is flexible with respect to hydrological fluxes used for the water balance, enabling users to adapt the index formulation to the data availability of different locations. Based on it, indices using different hydrological fluxes in the water balance are compared with each other showing that a drought index considering only precipitation in the water balance is sufficient for western to central Europe. In the Mediterranean, temperature effects via evapotranspiration rather than potential evapotranspiration, need to be considered to produce meaningful indices representative of water deficit. In addition, our results indicate that in north-eastern Europe and Scandinavia, snow and run-off effects need to be considered simultaneously in the index definition to obtain accurate results.
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title_short	Drought indices revisited – improving and testing of drought indices in a simulation of the last two millennia for Europe
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Drought indices revisited – improving and testing of drought indices in a simulation of the last two millennia for Europe

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