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dc.contributor.author
Espinoza, Jhan Carlo
dc.contributor.author
Sörensson, Anna
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dc.contributor.author
Ronchail, Josyane
dc.contributor.author
Molina Carpio, Jorge
dc.contributor.author
Segura, Hans
dc.contributor.author
Gutierrez Cori, Omar
dc.contributor.author
Ruscica, Romina
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dc.contributor.author
Condom, Thomas
dc.contributor.author
Wongchuig Correa, Sly
dc.date.available
2021-01-22T11:21:23Z
dc.date.issued
2019-12
dc.identifier.citation
Espinoza, Jhan Carlo; Sörensson, Anna; Ronchail, Josyane; Molina Carpio, Jorge; Segura, Hans; et al.; Regional hydro-climatic changes in the Southern Amazon Basin (Upper Madeira Basin) during the 1982–2017 period; Elsevier; Journal of Hydrology: Regional Studies; 26; 12-2019; 1-60
dc.identifier.issn
2214-5818
dc.identifier.uri
http://hdl.handle.net/11336/123426
dc.description.abstract
Study region: Upper Madeira Basin (975,500 km2) in Southern Amazonia, which is suffering a biophysical transition, involving deforestation and changes in rainfall regime. Study focus: The evolution of the runoff coefficient (Rc: runoff/rainfall) is examined as an indicator of the environmental changes (1982–2017). New hydrological insights for the region: At an annual scale, the Rc at Porto Velho station declines while neither the basin-averaged rainfall nor the runoff change. During the low-water period Rc and runoff diminish while no changes are observed in rainfall. This cannot be explained by increase of evapotranspiration since the basin-averaged actual evapotranspiration decreases. To explain the decrease of Rc, a regional analysis is undertaken. While the characteristic rainfall-runoff time-lag (CT) at Porto Velho basin is estimated to 60 days, CT is higher (65–75 days) in the south and lower (50 days) over the Amazon-Andes transition regions. It is found that 1) the southern basin (south of 14 °S) best explains low-level Porto Velho runoff, 2) in the south, rainfall diminishes and the frequency of dry days increases. Both features explain the diminution of the runoff and the Rc in Porto Velho. Moreover, the increasing dryness in the south compensates for the rainfall and frequency of wet days (>10 mm) increase north of 14 °S and explains the lack of basin-averaged rainfall trends of the upper Madeira basin.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.subject
ATMOSPHERE AND LAND SURFACE INTERACTIONS
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RAINFALL TRENDS
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RUNOFF COEFFICIENT
dc.subject.classification
Oceanografía, Hidrología, Recursos Hídricos
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dc.subject.classification
Ciencias de la Tierra y relacionadas con el Medio Ambiente
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Regional hydro-climatic changes in the Southern Amazon Basin (Upper Madeira Basin) during the 1982–2017 period
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2020-11-13T20:43:36Z
dc.journal.volume
26
dc.journal.pagination
1-60
dc.journal.pais
Países Bajos
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dc.description.fil
Fil: Espinoza, Jhan Carlo. Universite Grenoble Alpes; Francia
dc.description.fil
Fil: Sörensson, Anna. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Centro de Investigaciones del Mar y la Atmósfera. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Centro de Investigaciones del Mar y la Atmósfera; Argentina
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Fil: Ronchail, Josyane. Université Paris Diderot - Paris 7; Francia
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Fil: Molina Carpio, Jorge. Universidad Mayor de San Andrés; Bolivia
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Fil: Segura, Hans. Universite Grenoble Alpes; Francia
dc.description.fil
Fil: Gutierrez Cori, Omar. Institut Pierre Simon Laplace; Francia
dc.description.fil
Fil: Ruscica, Romina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Centro de Investigaciones del Mar y la Atmósfera. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Centro de Investigaciones del Mar y la Atmósfera; Argentina
dc.description.fil
Fil: Condom, Thomas. Universite Grenoble Alpes; Francia
dc.description.fil
Fil: Wongchuig Correa, Sly. Universite Grenoble Alpes; Francia
dc.journal.title
Journal of Hydrology: Regional Studies
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://linkinghub.elsevier.com/retrieve/pii/S2214581819301582
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.ejrh.2019.100637
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