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Identifying controls of the rainfall-runoff response of small catchments in the tropical Andes (Ecuador)

Tropical mountain regions are characterized by strong spatial climate gradients which together with the limited amount of data and knowledge of the underlying processes hinder the management of the water resources. Especially for regional-scale prediction it is important to identify the dominant fac...

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Autor Principal: Feyen, Jan
Formato: Artículos
Lenguaje:eng
Publicado: Netherlands 2017
Materias:
ANDEAN MOUNTAIN RANGE
BASIN PROPERTIES
HYDROLOGIC RESPONSE
Acceso en línea:http://repositorio.educacionsuperior.gob.ec/handle/28000/3828
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spelling oai:localhost:28000-38282017-04-13T08:01:36Z Identifying controls of the rainfall-runoff response of small catchments in the tropical Andes (Ecuador) Feyen, Jan ANDEAN MOUNTAIN RANGE BASIN PROPERTIES HYDROLOGIC RESPONSE Tropical mountain regions are characterized by strong spatial climate gradients which together with the limited amount of data and knowledge of the underlying processes hinder the management of the water resources. Especially for regional-scale prediction it is important to identify the dominant factors controlling the rainfall-runoff response and link those to known spatial patterns of climate, soils, and vegetation. This study analyzes the rainfall-runoff relation of 13 intensively monitored micro-catchments in the Andes of southern Ecuador. The results of this study show that stream flow in the southern cordillera of the Ecuadorian Andes, above 2500. m a.s.l., primarily consists of subsurface flow. The yearly amount of stream flow is controlled by the annual rainfall depth, whereas the temporal distribution is mainly governed by the lateral saturated hydraulic conductivity, the soil water retention and the antecedent soil moisture content. Anthropogenic effects were found insignificant, with the exception in one of the studied micro-catchment. Effect of land use changes in most of the micro-catchments did not reflect in the shape of the flow duration curve because either the spatial extent of human impact was small and/or the overall basin slope was less than 20%. 2017-04-12T17:50:00Z 2017-04-12T17:50:00Z 2011 article Crespo, Patricio. et al. (2011). Identifying controls of the rainfall-runoff response of small catchments in the tropical Andes (Ecuador). Journal of Hydrology. Vol. 407. Netherlands. pp. 164-174 00221694 http://repositorio.educacionsuperior.gob.ec/handle/28000/3828 eng DOI;10.1016 closedAccess http://creativecommons.org/licenses/by-nc-sa/3.0/ec/ pp. 164-174 Netherlands
institution SENESCYT
collection Repositorio SENESCYT
biblioteca Biblioteca Senescyt
language eng
format Artículos
topic ANDEAN MOUNTAIN RANGE
BASIN PROPERTIES
HYDROLOGIC RESPONSE
spellingShingle ANDEAN MOUNTAIN RANGE
BASIN PROPERTIES
HYDROLOGIC RESPONSE
Feyen, Jan
Identifying controls of the rainfall-runoff response of small catchments in the tropical Andes (Ecuador)
description Tropical mountain regions are characterized by strong spatial climate gradients which together with the limited amount of data and knowledge of the underlying processes hinder the management of the water resources. Especially for regional-scale prediction it is important to identify the dominant factors controlling the rainfall-runoff response and link those to known spatial patterns of climate, soils, and vegetation. This study analyzes the rainfall-runoff relation of 13 intensively monitored micro-catchments in the Andes of southern Ecuador. The results of this study show that stream flow in the southern cordillera of the Ecuadorian Andes, above 2500. m a.s.l., primarily consists of subsurface flow. The yearly amount of stream flow is controlled by the annual rainfall depth, whereas the temporal distribution is mainly governed by the lateral saturated hydraulic conductivity, the soil water retention and the antecedent soil moisture content. Anthropogenic effects were found insignificant, with the exception in one of the studied micro-catchment. Effect of land use changes in most of the micro-catchments did not reflect in the shape of the flow duration curve because either the spatial extent of human impact was small and/or the overall basin slope was less than 20%.
author Feyen, Jan
author_facet Feyen, Jan
author_sort Feyen, Jan
title Identifying controls of the rainfall-runoff response of small catchments in the tropical Andes (Ecuador)
title_short Identifying controls of the rainfall-runoff response of small catchments in the tropical Andes (Ecuador)
title_full Identifying controls of the rainfall-runoff response of small catchments in the tropical Andes (Ecuador)
title_fullStr Identifying controls of the rainfall-runoff response of small catchments in the tropical Andes (Ecuador)
title_full_unstemmed Identifying controls of the rainfall-runoff response of small catchments in the tropical Andes (Ecuador)
title_sort identifying controls of the rainfall-runoff response of small catchments in the tropical andes (ecuador)
publisher Netherlands
publishDate 2017
url http://repositorio.educacionsuperior.gob.ec/handle/28000/3828
_version_ 1634995194434682880
score 11,871979

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