METRIC.G: Estimates Net Radiation as in METRIC Model
Description
Estimates Net Radiation as in METRIC Model
Usage
METRIC.G(image.DN, WeatherStation = WeatherStation, Rn, plain = TRUE, DEM, aoi)
Arguments
image.DN
raw imagen in digital counts to evaluate
WeatherStation
Weather Station data, can be a waterWeatherStation
object
Rn
RasterLayer with Net Radiation data in W/m2
plain
Logical. If TRUE surface is assumed plain
DEM
Digital Elevation Model of the study area. Not needed
if plain = TRUE
aoi
SpatialPolygon object with limits of Area of interest
References
R. G. Allen, M. Tasumi, and R. Trezza, "Satellite-based energy balance for mapping evapotranspiration with internalized calibration (METRIC) - Model" Journal of Irrigation and Drainage Engineering, vol. 133, p. 380, 2007