WATER VAPOUR WEIGHTED MEAN TEMPERATURE MODEL FOR GPS-DERIVED INTEGRATED WATER VAPOUR IN PENINSULAR MALAYSIA
This paper presents the development of T<sub>M</sub> model by using the radiosonde stations from Peninsular Malaysia. Two types of T<sub>M</sub> model were developed; site-specific and regional models. The result revealed that the estimation from site-specific model has smal...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Copernicus Publications
2017-10-01
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| Series: | The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences |
| Online Access: | https://www.int-arch-photogramm-remote-sens-spatial-inf-sci.net/XLII-4-W5/127/2017/isprs-archives-XLII-4-W5-127-2017.pdf |
| Summary: | This paper presents the development of T<sub>M</sub> model by using the radiosonde stations from Peninsular Malaysia. Two types of T<sub>M</sub>
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<sub>S</sub> has influenced the T<sub>M</sub>–T<sub>S</sub> relationship. The
separation between daytime and nighttime observation can improve the relationship of T<sub>M</sub>–T<sub>S</sub>. However, the impact of diurnal cycle
to IWV estimation is less than 1 %. The T<sub>M</sub> model from Global and Tropic also been evaluated. The Tropic T<sub>M</sub> model is superior to
be utilized as compared to the Global T<sub>M</sub> model. |
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| ISSN: | 1682-1750 2194-9034 |