Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/15217
Title: Geostationary satellite observation of precipitable water vapor using an Empirical Orthogonal Function (EOF) based reconstruction technique over eastern China
Authors: Wong, MS 
Jin, X
Liu, Z 
Nichol, JE 
Ye, S
Jiang, P
Chan, PW
Keywords: Diurnal cycle
Empirical orthogonal function
Geostationary satellite
Precipitable water vapor
Issue Date: 2015
Publisher: MDPI AG
Source: Remote sensing, 2015, v. 7, no. 5, p. 5879-5900 How to cite?
Journal: Remote Sensing 
Abstract: Water vapor, as one of the most important greenhouse gases, is crucial for both climate and atmospheric studies. Considering the high spatial and temporal variations of water vapor, a timely and accurate retrieval of precipitable water vapor (PWV) is urgently needed, but has long been constrained by data availability. Our study derived the vertically integrated precipitable water vapor over eastern China using Multi-functional Transport Satellite (MTSAT) data, which is in geostationary orbit with high temporal resolution. The missing pixels caused by cloud contamination were reconstructed using an Empirical Orthogonal Function (EOF) decomposition method over both spatial and temporal dimensions. GPS meteorology data were used to validate the retrieval and the reconstructed results. The diurnal variation of PWV over eastern China was analyzed using harmonic analysis, which indicates that the reconstructed PWV data can depict the diurnal cycle of PWV caused by evapotranspiration and local thermal circulation.
URI: http://hdl.handle.net/10397/15217
ISSN: 2072-4292
DOI: 10.3390/rs70505879
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