eb: Energy-Balance functions
In WaterMap: Mapping evapo-transpiration from satellite images.

Description Usage Arguments Value Author(s) References

Compute the Energy Balance elements.

deltat_wim(surface_temperature)
solar_day(latitude, doy, tsw )
rnet_day( bbalb,  solar,  tsw )
etpot_day( rnetd,  tempk,  roh_w )
rnet( bbalb,  ndvi,  tempk,  dtair,   e0,  tsw,  doy,  utc,  sunzangle )
g0(  bbalb,  ndvi,  tempk,  rnet,  time=11.0, roerink=FALSE)
dtair0( t0_dem,  tempk_water=298.0,  tempk_desert=333.0)
dtair( t0_dem,  tempk_water=298.0,  tempk_desert=333.0,  dtair_desert=13.0)
dtair_desert( h_desert, roh_air_desert=1.12, rah_desert=10.0)
h0( roh_air, rah, dtair)
psi_h( t0_dem, h, U_0, roh_air)
rah0( zom_0, u_0)
rah1( psih, ustar)
rohair0(tempk)
rohair( dem, tempk, dtair)
U0( zom0, u2m)
ustar( t0_dem, h, ustar, roh_air, zom, u2m)
zom0( ndvi, ndvi_max)
sensih( iteration, tempk_water, tempk_desert, t0_dem, tempk, ndvi, ndvi_max, dem, rnet_desert, g0_desert, t0_dem_desert, u2m, dem_desert)
sensih_SEBAL01( rnet, g0, zom, t0_dem, ustar, ea, row_wet, col_wet, row_dry, col_dry)
evapfr(rnet,g0,h0)
soilmoisture(evapfr) 
eta(rnet_day,evapfr,surface_temperature)

`ndvi`	NDVI layer from `vi.ndvi`
`bbalb`	albedo layer from `albedo.*`
`surface_temperature`
`latitude`
`doy`
`tsw`
`solar`
`rnetd`
`tempk`
`roh_w`
`dtair`
`e0`
`ea`
`utc`
`sunzangle`
`rnet`
`time`
`roerink`
`t0_dem`
`tempk_water`
`tempk_desert`
`dtair_desert`
`h_desert`
`roh_air_desert`
`rah_desert`
`roh_air`
`rah`
`h`
`U_0`
`zom_0`
`u_0`
`psih`
`ustar`
`dem`
`zom0`
`u2m`
`zom`
`ndvi_max`
`iteration`
`rnet_desert`
`g0_desert`
`t0_dem_desert`
`dem_desert`
`g0`
`h0`
`evapfr`
`rnet_day`
`row_dry`
`col_dry`
`row_wet`
`col_wet`

Water Mapping

Yann Chemin

Bastiaanssen, W.G.M. 1995. Regionalization of surface flux densities and moisture indicators in composite terrain. SC-DLO Report 109. Wageningen, The Netherlands. Alexandridis T.K., Cherif I., Chemin Y., Silleos N.G., Stavrinos E., Zalidis G.C. Integrated methodology for estimating water use in Mediterranean agricultural areas. Remote Sensing. -(-):,2009. (submitted)

WaterMap documentation built on May 2, 2019, 4:43 p.m.