Determination of atmospheric parameters to estimate global radiation in areas of complex topography: Generation of global irradiation map
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Batles, F. Javier; Bosch Saldaña, Juan Luis; Tovar Pescador, Joaquín; Martínez Durbán, María Mercedes; Ortega Pérez, Raúl; [et al.]Fecha
2007-08-20Resumen
Incoming shortwave solar radiation is an important parameter in environmental applications. A detailed spatial and temporal analysis of global solar radiation on the earth surface is needed in many applications, ranging from solar energy uses to the study of agricultural, forest and biological processes. At local scales, the topography is the most important factor in the distribution of solar radiation on the surface. The variability of the elevation, the surface orientation and the obstructions due to elevations are a source of great local differences in insolation and, consequently, in other variables as ground temperature. For this reason, several models based on GIS techniques have been recently developed, integrating topography to obtain the solar radiation on the surface.
In this work, global radiation is analyzed with the Solar Analyst, a model implemented on ArcView, that computes the topographic parameters: altitude, latitude, slope and orientation (azimuth) and shadow effe...
Palabra/s clave
Global solar radiation
DTM
Radiation map