Hydrological signatures based on event runoff coefficients in rural catchments of the Iberian Peninsula
Fecha
2017Autor
Versión
Acceso abierto / Sarbide irekia
Tipo
Artículo / Artikulua
Versión
Versión publicada / Argitaratu den bertsioa
Identificador del proyecto
Impacto
|
10.1097/SS.0000000000000210
Resumen
Hydrological signatures are indices that help to describe the behavior of catchments. These indices can also be used to transfer information from gauged to ungauged catchments. In this study, different approaches were evaluated to determine volumetric runoff coefficients in 18 small/ medium experimental gauged catchments of the Iberian Peninsula and to fit runoff calculations based on precipitati ...
[++]
Hydrological signatures are indices that help to describe the behavior of catchments. These indices can also be used to transfer information from gauged to ungauged catchments. In this study, different approaches were evaluated to determine volumetric runoff coefficients in 18 small/ medium experimental gauged catchments of the Iberian Peninsula and to fit runoff calculations based on precipitation data for gauged and ungauged catchments. Using data derived from 1962 events, rainfall-runoff relationships were characterized and compared in order to evaluate the various hydrological response patterns. Volumetric runoff coefficients and cumulative runoff and precipitation ratios of the events that generated runoff (Rcum) minimized the root mean square error. A linear fit for the estimation of Rcum in ungauged atchments was based on mean annual precipitation, rates of infiltration, the fraction of forest-land use, and the catchment channel length. Despite high catchment heterogeneity, Rcum resulted in a suitable parameter to evaluate hydrological variability in rural gauged and ungauged catchments. In 50% of the catchments, the precipitation accounted for less than 50% of the runoff variation. Annual precipitation, antecedent rainfall, and base flow did not have a high significance in rainfall-runoff relationships, which illustrates the heterogeneity of hydrological responses. Our results highlight the need for signature characterizations
of small/medium rural catchments because they are the sources of runoff and sediment discharge into rivers, and it is more economical
and efficient to take action to mitigate runoff in rural locations. [--]
Materias
Runoff,
Runoff coefficients,
Catchments,
Iberian Peninsula
Editor
Wolters Kluwer
Publicado en
Soil Science, 182(5):159–171, May 2017
Departamento
Universidad Pública de Navarra. Departamento de Proyectos e Ingeniería Rural /
Nafarroako Unibertsitate Publikoa. Landa Ingeniaritza eta Proiektuak Saila
Versión del editor
Entidades Financiadoras
This research was supported by the
research projects CGL2015-64284-C2-2-R, CGL2015-64284-C2-1-R,
CGL2014-52135-C3-3-R, CGL2015-65569-R, CGL2014-56907-R, and
AGL2015-65036-C3-1 funded by the MINECO-FEDER (Spanish Ministry of
Economy and Competitiveness). E.N.-R. is the beneficiary of a Ramón y Cajal
postdoctoral contract (Spanish Ministry of Economy and Competitiveness).
Aparece en las colecciones
Los documentos de Academica-e están protegidos por derechos de autor con todos los derechos reservados, a no ser que se indique lo contrario.
La licencia del ítem se describe como © 2017 The Author(s). This is an
open-access article distributed under the terms of the Creative Commons Attribution-Non
Commercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to
download and share the work provided it is properly cited. The work cannot be changed in
any way or used commercially without permission from the journal.