红外与毫米波学报2012，Vol.31Issue(6)：550-555,6.DOI:10.3724/SP.J.1010.2012.00550
基于岸基实测数据的FY-3A近红外通道海洋大气水汽反演
Retrieving precipitable water vapor based on FY-3A near-IR data
摘要
Abstract
Traditional method for retrieving precipitable water vapor was evaluated with the data obtained from series of long time in-situ measurements of CE-318. The results show that the method has a low accuracy and is not suitable for applications over this region. In this paper, the theory of precipitable water vapor detection with NIR channels was introduced. E-quations of precipitable water vapor remote sensing were derived and analyzed. Retrieving method for FY-3A/MERSI( Medium Resolution Spectral Imager)was proposed. Comparing with the results of CE-318 in-situ measurements in the studied area, it was concluded that precision of the method relied so much on reflectance of the underlying surface. The method of three-channel ratio had better performance than that of two-channel ratio by reducing the errors from 16. 1% to 14.3%.关键词
近红外/大气水汽含量/中分辨率成像光谱仪(MERSI)/通道比值法Key words
near infrared/ precipitable water vapor/ medium resolution spectral imager ( MERSI) / channel ratio method分类
天文与地球科学引用本文复制引用
王祥,赵冬至,苏岫,杨建洪,马玉娟..基于岸基实测数据的FY-3A近红外通道海洋大气水汽反演[J].红外与毫米波学报,2012,31(6):550-555,6.基金项目
海洋行业公益性专项(200905012,201005030) （200905012,201005030）
