WATER VAPOUR WEIGHTED MEAN TEMPERATURE MODEL FOR GPS-DERIVED INTEGRATED WATER VAPOUR IN PENINSULAR MALAYSIA

Musa, T. A.; Mazlan, M. H.; Opaluwa, Y. D.; Musliman, I. A.; Radzi, Z. M.

This paper presents the development of T M model by using the radiosonde stations from Peninsular Malaysia. Two types of T M model were developed; site-specific and regional models. The result revealed that the estimation from site-specific model has small improvement compared to the regional model, indicating that the regional model is adequately to use in estimation of GPS-derived IWV over Peninsular Malaysia. Meanwhile, this study found that the diurnal cycle of T S has influenced the T M–T S relationship. The separation between daytime and nighttime observation can improve the relationship of T M–T S. However, the impact of diurnal cycle to IWV estimation is less than 1 %. The T M model from Global and Tropic also been evaluated. The Tropic T M model is superior to be utilized as compared to the Global T M model.

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Musa, T. A. / Mazlan, M. H. / Opaluwa, Y. D. / et al: WATER VAPOUR WEIGHTED MEAN TEMPERATURE MODEL FOR GPS-DERIVED INTEGRATED WATER VAPOUR IN PENINSULAR MALAYSIA. 2017. Copernicus Publications.

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