Millimeter wave radiative transfer studies for precipitation measurements

J. Vivekanandan, Frank Evans

Research output: AbstractPaperpeer-review

1 Scopus citations

Abstract

Scattering calculations using the discrete dipole approximation and vector radiative transfer calculations were performed to model multiparameter radar return and passive microwave emission for a simple model of a winter storm. The issue of dendrite riming was addressed by computing scattering properties of thin ice disks with varying bulk density. It was shown that C-band multiparameter radar contains information about particle density and the number concentration of the ice particles. The radiative transfer modeling indicated that polarized multifrequency passive microwave emission may be used to infer some properties of ice hydrometers. Detailed radar modeling and vector radiative transfer modeling is in progress to enhance the understanding of simultaneous radar and radiometer measurements, as in the case of the proposed TRMM field program. A one-dimensional cloud model will be used to simulate the storm structure in detail and study the microphysics, such as size and density. Multifrequency polarized radiometer measurements from the SSMI satellite instrument will be analyzed in relation to dual-frequency and dual-polarization radar measurements.

Original languageEnglish
Pages1910-1913
Number of pages4
StatePublished - 1989
EventIGARSS'89 - Twelfth Canadian Symposium on Remote Sensing Part 3 (of 5) - Vancouver, BC, Can
Duration: Jul 10 1989Jul 14 1989

Conference

ConferenceIGARSS'89 - Twelfth Canadian Symposium on Remote Sensing Part 3 (of 5)
CityVancouver, BC, Can
Period07/10/8907/14/89

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