An ice phase characterization perhaps represents a more inherently retrievable property from a combination of scattering-based channels above 37 GHz than the underlying rainfall. Model computations of top-of-atmospheric microwave brightness temperatures TB from layers of precipitation-sized ice of variable bulk density and ice water content (IWC) are presented. The 85-GHz TB is shown to depend essentially on the ice optical thickness, while the possibility of using the 37- and 85-GHz brightness temperature difference ΔTB to estimate the integrated ice water path (IWP) is investigated. The results demonstrate the potential usefulness of using scattering-based channels to characterize the ice phase and suggest a top-down methodology for retrieval of cloud vertical structure and precipitation estimation from multifrequency passive microwave measurements. -from Authors
CITATION STYLE
Vivekanandan, J., Turk, J., & Bringi, V. N. (1991). Ice water path estimation and characterization using passive microwave radiometry. Journal of Applied Meteorology, 30(10), 1407–1421. https://doi.org/10.1175/1520-0450(1991)030<1407:IWPEAC>2.0.CO;2
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