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A global probabilistic dataset for monitoring meteorological droughts

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[15200477 - Bulletin of the American Meteorological Society] A Global Probabilistic Dataset for Monitoring Meteorological Droughts.pdf (4,243Mb)
[15200477 - Bulletin of the American Meteorological Society] A Global Probabilistic Dataset for Monitoring Meteorological Droughts.pdf (4,243Mb)
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10.1175/BAMS-D-19-0192.1
 
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hdl:2117/339540

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Turco, Marco
Jerez, Sonia
Donat, MarkusMés informació
Toreti, Andrea
Vicente-Serrano, Sergio M.
Doblas-Reyes, FranciscoMés informació
Document typeArticle
Defense date2020
PublisherAmerican Meteorological Society
Rights accessOpen Access
Attribution 3.0 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution 3.0 Spain
ProjectCLIM4CROP - Climate monitoring and seasonal forecast for global crop production (EC-H2020-740073)
Abstract
DROP is a global land dataset to monitor meteorological drought that gathers an ensemble of observation-based datasets providing near-real time estimates with associated uncertainty using a probabilistic approach. Accurate and timely drought information is essential to move from post-crisis to pre-impact drought-risk management. A number of drought datasets is already available. They cover the last three decades and provide data in near-real time (using different sources), but they are all ”deterministic” (i.e. single realisation), and input and output data partly differ between them. Here we first evaluate the quality of long-term and continuous climate data for timely meteorological drought monitoring considering the Standardized Precipitation Index. Then, by applying an ensemble approach, mimicking weather/climate prediction studies, we develop DROP (DROught Probabilistic), a new global land gridded dataset, in which an ensemble of observations-based datasets is used to obtain the best near-real time estimate together with its associated uncertainty. This approach makes the most of the available information and brings it to the end-users. The high-quality and probabilistic information provided by DROP is useful for monitoring applications, and may help to develop global policy decisions on adaptation priorities in alleviating drought impacts, especially in countries where meteorological monitoring is still challenging.
CitationTurco, M. [et al.]. A global probabilistic dataset for monitoring meteorological droughts. "Bulletin of the American Meteorological Society", 2020, vol. 101, núm. 10, p. E1628-E1644. 
URIhttp://hdl.handle.net/2117/339540
DOI10.1175/BAMS-D-19-0192.1
ISSN1520-0477
Publisher versionhttps://journals.ametsoc.org/doi/abs/10.1175/BAMS-D-19-0192.1
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  • Earth Sciences - Articles de revista [323]
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