Sampling Error Study for Rainfall Estimate by Satellite Using a Stochastic Model

摘要: Abstract A parameter study of satellite orbits was performed to estimate sampling errors area-time averaged rain rate due temporal by satellites. The characteristics were investigated accounting for varying visiting intervals and fractions averaging area on each visit as a function the latitude grid box range orbital parameters. estimated simple model based first-order Markov process time series rates. For nominal TRMM orbit (30° inclination 300 km altitude) carrying an ideal scanning microwave radiometer direct precipitation measurements, error would be about 8 12% monthly mean rates over 5° × 5°. effect uneven with tend offset increasing areas latitude, therefore, dependence not important. Nomograms err...