Analysis on GPS PWV Effects as an Initial Input Data of N? Model

Details Analysis on GPS PWV Effects as an Initial Input Data of N? Model Analysis on GPS PWV Effects as an Initial Input Data of N? Model

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007jass...24..285l&link_type=abstract

Journal of Astronomy and Space Sciences. Vol. 24, no. 4, 285-296

Astronomy and Astrophysics

Astronomy

1

Gps, Precipitable Water Vapor, Sensitivity Experiment, Wrf-3Dvar

Scientific paper

The Precipitable Water Vapor (PWV) from GPS with high resolution in terms of time and space might reduce the limitations of the numerical weather prediction (NWP) model for easily variable phenomena, such as precipitation and cloud. We have converted to PWV from Global Positioning System (GPS) data of Korea Astronomy and Space Science Institute (KASI) and Ministry of Maritime Affairs & Fisheries (MOMAF). First of all, we have selected the heavy rainfall case of having a predictability limitation in time and space due to small-scale motion. In order to evaluate the effect for GPS PWV, we have executed the sensitivity experiment with PWV from GPS data over Korean peninsula in the Weather Research & Forecasting 3-Dimensional Variational (WRF-3DVAR). We have also suggested the direction of further research for an improvement of the predictability of NWP model on the basis of this case.

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