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Title

Challenges for drought mitigation in Africa: The potential use of geospatial data and drought information systems

AuthorsVicente Serrano, Sergio M. CSIC ORCID ; Beguería, Santiago CSIC ORCID ; Gimeno, Luis; Eklundh, Lars; Giuliani, Gregory; Weston, Derek; El Kenawy, Ahmed M. CSIC ORCID ; López-Moreno, Juan I. CSIC ORCID ; Nieto, Raquel; Ayenewh, Tenalem; Konte, Diawoye; Ardö, Jonas; Pegram, Geoffrey G.S.
KeywordsDrought
Risk mitigation
Drought indices
Drought vulnerability
Drought risk
Capacity building
Standardized Precipitation Evapotranspiration Index
Drought forecasting
Earth observation
NDVI
Issue DateMay-2012
PublisherElsevier
CitationVicente-Serrano SM, Beguería S, Gimeno L, Eklundh L, Giuliani G, Weston D, El Kenawy A, López-Moreno JI, Nieto R, Ayenewh T, Konte D, Ardö J, Pegram GGS. Challenges for drought mitigation in Africa: The potential use of geospatial data and drought information systems. Applied Geography 34: 471-486 (2012)
AbstractUnderstanding, monitoring and mitigating drought is a very difficult task as a consequence of the intrinsic nature of the phenomenon. In addition, assessing the impact of drought on ecosystems and societies is also a complex task, because the same drought severity may have different consequences in different regions and systems due to the underlying vulnerabilities. New technologies based on geospatial information are available to determine the risk and vulnerability of a system to a drought and to develop monitoring and early warning systems based on real-time information to support decision making. To improve drought preparedness and mitigation, geospatial datasets based on climate information, Earth Observation Systems and statistical and dynamical modelling methodologies can make a noticeably difference in mitigating drought impacts in Africa. In this article we illustrate how the development of drought information systems based on geospatial technology, that combines static and real-time information, could improve the possibilities of drought mitigation in Africa. We stress that it is necessary to go beyond past attempts to manage drought risk based on a reactive crisis-response approach, by promoting drought mitigation and preparedness at the national and regional levels. For this purpose the development of drought information tools is fundamental for the implementation of drought management plans and to support real-time decision-making.
Description60 Pags., 8 Figs. The definitive version is available at: http://www.sciencedirect.com/science/journal/01436228
Publisher version (URL)http://dx.doi.org/10.1016/j.apgeog.2012.02.001
URIhttp://hdl.handle.net/10261/46988
DOIhttp://dx.doi.org/10.1016/j.apgeog.2012.02.001
ISSN0143-6228
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(EEAD) Artículos
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