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Drought propagation in semi-arid river basins in Latin America: Lessons from Mexico to the Southern Cone

Oertel, Melanie et al · Molecular Diversity Preservation International · 2018

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Author / responsible party
Oertel, Melanie et al
Publisher
Molecular Diversity Preservation International
Year
2018
ISSN
2073-4441
ISSN
2073-4441
Language
English

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Summary

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Detecting droughts as early as possible is important in avoiding negative impacts on economy, society, and environment. To improve drought monitoring, we studied drought propagation (i.e., the temporal manifestation of a precipitation deficit on soil moisture and streamflow). We used the Standardized Precipitation Evapotranspiration Index (SPEI), Standardized Streamflow Index (SSI), and Standardized Soil Moisture Index (SSMI) in three drought-prone regions: Sonora (Mexico), Maipo (Chile), and Mendoza-Tunuyán (Argentina) to study their temporal interdependence. For this evaluation we use precipitation, temperature, and streamflow data from gauges that are managed by governmental institutions, and satellite-based soil moisture from the ESA CCI SM v03.3 combined data set. Results confirm that effective drought monitoring should be carried out (1) at river-basin scale, (2) including several variables, and (3) considering hydro-meteorological processes from outside its boundaries. Fil: Oertel, Melanie. Pontificia Universidad Católica de Chile; Chile. Universidad Católica de Chile; Chile Fil: Meza, Francisco Javier. Universidad Católica de Chile; Chile. Pontificia Universidad Católica de Chile; Chile

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APA 7

Oertel, M. E. A. (2018). Drought propagation in semi-arid river basins in Latin America: Lessons from Mexico to the Southern Cone. http://hdl.handle.net/11336/87134

MLA

Oertel, Melanie et al. "Drought propagation in semi-arid river basins in Latin America: Lessons from Mexico to the Southern Cone." 2018. http://hdl.handle.net/11336/87134.

Chicago

Oertel, Melanie et al. 2018. "Drought propagation in semi-arid river basins in Latin America: Lessons from Mexico to the Southern Cone.". http://hdl.handle.net/11336/87134.

Harvard

Oertel, M. E. A. 2018, Drought propagation in semi-arid river basins in Latin America: Lessons from Mexico to the Southern Cone, Molecular Diversity Preservation International, available at: http://hdl.handle.net/11336/87134 [Accessed 8 Aug. 2026].

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Title
Drought propagation in semi-arid river basins in Latin America: Lessons from Mexico to the Southern Cone
Author / contributors
Oertel, Melanie et al
Publisher
Molecular Diversity Preservation International
Publication year
2018
ISSN
2073-4441
ISSN
2073-4441
Language
English

Subjects

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DROUGHT ASSESSMENT; DROUGHT PROPAGATION; LATIN-AMERICA; SEMI-ARID RIVER BASINS; STANDARDIZED DROUGHT INDICES; https://purl.org/becyt/ford/1.5; https://purl.org/becyt/ford/1
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