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Open AccessArticle

Regional Patterns of Baseflow Variability in Mexican Subwatersheds

Colegio de Postgraduados, Carretera México-Texcoco, Km 36.5 Montecillo, 56230 México, Mexico
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Academic Editor: Kwok-wing Chau
Water 2016, 8(3), 98; https://doi.org/10.3390/w8030098
Received: 1 December 2015 / Revised: 3 March 2016 / Accepted: 3 March 2016 / Published: 11 March 2016
(This article belongs to the Special Issue Use of Meta-Heuristic Techniques in Rainfall-Runoff Modelling)
One of the challenges faced by subwatershed hydrology is the discovery of patterns associated with climate and landscape variability with the available data. This study has three objectives: (1) to evaluate the annual recession curves; (2) to relate the recession parameter (RP) with physiographic characteristics of 21 Mexican subwatersheds in different climate regions; and (3) to formulate a Baseflow (BF) model based on a top-down approach. The RP was calibrated utilizing the largest magnitude curves. The RP was related to topographical, climate and soil variables. A non-linear model was employed to separate the baseflow which considers RP as a recharge rate. Our results show that RP increases with longitude and decreases with latitude. RP displayed a sustained non-linear behavior determined by precipitation rate and evapotranspiration replace the P/E parts with \(\frac{P}{E}\) over years and subwatersheds. The model was fit to a parameter concurrent with invariance and space-time symmetry conditions. The dispersion of our model was associated with the product of replace the P/E parts with \(\frac{P}{E}\) by the aquifer’s transmissivity. We put forward a generalized baseflow model, which made the discrimination of baseflow from direct flow in subwatersheds possible. The proposed model involves the recharge-storage-discharge relation and could be implemented in basins where there are no suitable ground-based data. View Full-Text
Keywords: runoff; invariance; non-linear model; recession parameter; symmetry runoff; invariance; non-linear model; recession parameter; symmetry
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MDPI and ACS Style

Salas-Aguilar, V.; Macedo-Cruz, A.; Paz, F.; Palacios, E.; Ortiz, C.; Quevedo, A. Regional Patterns of Baseflow Variability in Mexican Subwatersheds. Water 2016, 8, 98.

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