WebApr 15, 2009 · The broadband albedo α of clean snow (Fig. 3) is determined from the selected subpixel grain size, r, through the following relationship that is fit to results from the radiative transfer modeling of snow endmembers and albedo: (5) α = 1 − A (θ 0) r B (θ 0). Download : Download high-res image (101KB) Download : Download full-size image Fig. … WebEvery 8 days, the operational MODIS BRDF/Albedo algorithm makes use of 16 days’ worth of multi-date data from both Terra and Aqua and a semiempirical kernel-driven bidirectional reflectance model to determine a global set of parameters describing the BRDF of the land surface (MCD43A1).
Variability of albedo and utility of the MODIS albedo product in
WebDec 23, 2011 · MODIS Aqua Image (top) and MYD10A1 snow map (bottom) acquired on December 23, 2011. Please visit Earth Observatory for the full caption of the Aqua image … WebTo evaluate the influence of these differences upon surface albedo in the climate model, differences are computed globally between mean monthly land surface albedo, modeled using the existing and revised albedo values, and MODIS data. Incorporating the revised albedo values into the model reduces the global rmse for snow-free July land surface ... rnp disease
MODIS-derived Vegetation and Albedo Parameters …
WebDec 1, 2024 · Single scattering albedo radiative forcing Moderate Resolution Imaging Spectroradiometer (MODIS) data. The new method takes advantage of the relationship … WebMar 5, 2013 · The MODIS albedo has been spectrally interpolated to match the spectral location of SEVIRI channels following the approach described hereafter. First of all, a set of reference reflectance spectra in the 0.2–3.0 µm range for different surfaces was obtained from the United States Geological Survey (USGS) Digital Spectral Library [ 35 ] and ... WebJul 1, 2024 · The mean of the difference between maximum and minimum synthetic time series of albedo within the MODIS pixels over a subset of satellite data of Harvard Forest (16 km by 14 km) was as high as 0.2 during the snow-covered period and reduced to around 0.1 during the snow-free period. Similarly, we have used STARFM to also couple MODIS … rnpcs uniform