Simulation of the annual thermal and hydrological cycle in Mexico
A nonlinear monthly water balance model for twelve hydrologic zones of Mexico is presented. The balance thermal energyequation applied to a thin soil surface layer and the water balance equation with maximum soil moisture deficit of 112.5 mm arecoupled through the soil temperature and the soil moist...
| Autores: | , , |
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| Tipo de recurso: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2002 |
| País: | México |
| Institución: | Universidad Nacional Autónoma de México |
| Repositorio: | Redalyc-UNAM |
| OAI Identifier: | oai:redalyc.org:56841208 |
| Acceso en línea: | https://www.redalyc.org/articulo.oa?id=56841208 |
| Access Level: | acceso abierto |
| Palabra clave: | Ciencias de la Tierra heat and water flux soil surface temperature soil moisture availability Thermal and hydrological cycle |
| Sumario: | A nonlinear monthly water balance model for twelve hydrologic zones of Mexico is presented. The balance thermal energyequation applied to a thin soil surface layer and the water balance equation with maximum soil moisture deficit of 112.5 mm arecoupled through the soil temperature and the soil moisture deficit. The model has five parameters. Input data are surface airrelative humidity, cloudiness, surface air temperature, surface wind speed, precipitation, surface albedo, and the short wave radiationat the surface with clear sky. The model gives an estimate of the monthly surface and subsurface runoff, the soil moisture, thenet radiation, the sensible and latent heat, the soil temperature and the annual dryness index. The computed total annual runoff(surface plus subsurface) agrees with the map of observed values. The computed monthly total runoff values show monthlyvariations similar to those observed in rivers of each hydrological zone. The maps of soil surface temperature and moistureavailability computed for January and July show some similarities with the maps from the National Center for EnvironmentalPrediction large-scale reanalysis. |
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