Water vapour correction of the daily 1 km AVHRR global land dataset: part I - validation and use of the Water Vapour input field

被引:9
作者
DeFelice, TP [1 ]
Lloyd, D
Meyer, DJ
Baltzer, TT
Piraino, P
机构
[1] EROS Data Ctr, ITSS, RAYTHEON, Dept Sci, Sioux Falls, SD 57198 USA
[2] EROS Data Ctr, ITSS, RAYTHEON, Software Engn Dept, Sioux Falls, SD 57198 USA
[3] NASA, SAIC, GSC, GSFC, Greenbelt, MD USA
关键词
D O I
10.1080/0143116021000053283
中图分类号
TP7 [遥感技术];
学科分类号
081102 ; 0816 ; 081602 ; 083002 ; 1404 ;
摘要
An atmospheric correction algorithm developed for the 1 km Advanced Very High Resolution Radiometer (AVHRR) global land dataset was modified to include a near real-time total column water vapour data input field to account for the natural variability of atmospheric water vapour. The real-time data input field used for this study is the Television and Infrared Observational Satellite (TIROS) Operational Vertical Sounder (TOVS) Pathfinder A global total column water vapour dataset. It was validated prior to its use in the AVHRR atmospheric correction process using two North American AVHRR scenes, namely 13 June and 28 November 1996. The validation results are consistent with those reported by others and entail a comparison between TOVS, radiosonde, experimental sounding, microwave radiometer, and data from a hand-held sunphotometer. The use of this data layer as input to the AVHRR atmospheric correction process is discussed.
引用
收藏
页码:2365 / 2375
页数:11
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