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| Autore principale: | |
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| Natura: | Artículo científico |
| Lingua: | en |
| Pubblicazione: |
Universidad Nacional de Colombia
2020
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| Accesso online: | https://www.redalyc.org/articulo.oa?id=49664596026 https://www.redalyc.org/journal/496/49664596026/ https://www.redalyc.org/journal/496/49664596026/html/ https://www.redalyc.org/journal/496/49664596026/49664596026.epub https://www.redalyc.org/journal/496/49664596026/movil |
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Sommario:
- Geostatistical modeling of surface water balance (SWB) under variable soil moisture conditions in the Pao river basin, Venezuela Bettys Farías Adriana Marquez Edilberto Guevara Demetrio Rey Ingeniería kriging infiltration water balance soil moisture semivariance analysis The aim of this paper is to develop a geostatistical model for the surface water balance (SWB) under variable soil moisture conditions of the Pao river basin, Venezuela. The novelty of the research consists in identifying a statistical model that will predict the spatial variability of hydro-meteorological data in the basin. A series of meteorological data from 25 stations for the period 2015-2017 were used in connection with the ordinary kriging technique. Infiltration values were analyzed considering three different soil moisture conditions: dry, normal and wet. To represent the semi variances of the SWB variables, the function J-Bessel was used. An adequate mathematical adjustment between observed and predicted values of SWB variables has been found expressed by the correlation coefficient (R) as followes: for precipitation, 0.54-0.81; for infiltration, 0.68-0.95; for runoff, 0.68-0.92: for evapotranspiration, 0.53-0.86; and for the accumulative volume, 0.53-0.95. 2020 artículo científico 0012-7353 https://www.redalyc.org/articulo.oa?id=49664596026 https://www.redalyc.org/journal/496/49664596026/ https://www.redalyc.org/journal/496/49664596026/html/ https://www.redalyc.org/journal/496/49664596026/49664596026.epub https://www.redalyc.org/journal/496/49664596026/movil 10.15446/dyna.v87n213.84446 en http://www.redalyc.org/revista.oa?id=496 Dyna application/pdf Universidad Nacional de Colombia Dyna (Colombia) Num.213 Vol.87