contributor author | Chang, A. T. C. | |
contributor author | Chiu, L. S. | |
contributor author | Yang, G. | |
date accessioned | 2017-06-09T16:10:34Z | |
date available | 2017-06-09T16:10:34Z | |
date copyright | 1995/11/01 | |
date issued | 1995 | |
identifier issn | 0027-0644 | |
identifier other | ams-62636.pdf | |
identifier uri | http://onlinelibrary.yabesh.ir/handle/yetl/4203550 | |
description abstract | Four and a half years of the global monthly oceanic rain rates derived from the DMSP (Defense Meteorological Satellite Program) F-8 SSM/I (Special Sensor Microwave/Imager) data are used to study the diurnal cycles. Annual mean rainfall maps based on the SSM/I morning and evening observations are presented, and their differences are examined using a paired t test. The morning estimates are larger than the afternoon estimates by about 20% over the oceanic region between 50°S and 50°N, with significant differences located mainly along the intertropical convergence zone region. Using the measurements from two satellites, either DMSP F-8 and F-10 or DMSP F-10 and F-11, amplitudes and phases of the 24-h harmonic are estimated. The diurnal cycle shows a nocturnal or early morning maximum in 35%?40% of the oceanic regions. Monte Carlo simulations show that the rms errors associated with the estimated amplitude and phase are about 100% and 2 h, respectively, mainly due to the large random errors (50%) associated with the present rainfall estimates and the nonoptimal separation times of the DMSP satellite sampling. | |
publisher | American Meteorological Society | |
title | Diurnal Cycle of Oceanic Precipitation from SSM/I Data | |
type | Journal Paper | |
journal volume | 123 | |
journal issue | 11 | |
journal title | Monthly Weather Review | |
identifier doi | 10.1175/1520-0493(1995)123<3371:DCOOPF>2.0.CO;2 | |
journal fristpage | 3371 | |
journal lastpage | 3380 | |
tree | Monthly Weather Review:;1995:;volume( 123 ):;issue: 011 | |
contenttype | Fulltext | |