针对MODIS数据的大气水汽含量反演及31和32波段透过率计算

doi:10.6046/gtzyyg.2005.01.06

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摘要

针对MODIS的波段特征，首先，用近红外波段反演大气水汽含量；然后，通过LOWTRAN模拟大气水汽含量与MODIS 31和32热红

外波段透过率的统计关系；最后，计算31和32波段的透过率。该方法克服了以往一景图像只用1个透过率的局限性，使得透过率的求

算精确到每1个像元，同时保证参数获取的实时性。

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Abstract：

As an EOS instrument with 36 bands, MODIS is very useful because of its global coverage, radiometric

resolution and dynamic ranges as well as accurate calibration in multiple thermal infrared bands designed for

retrievals of SST, LST and atmospheric properties. This paper introduces and derives the algorithm about retrieving

water content of atmosphere from NIR band of MODIS data. The authors utilized this method to retrieve the water

content of atmosphere in Hanjiang area by MODIS and analyze the retrieving result and then employed LOWTRAN to

simulate the relationship between the water content of atmosphere and the transmittance of MODIS bands 31 and 32.

Finally, the transmittance of MODIS bands 31 and 32 was computed. The technique is of great value in that it

enables us to get some parameters timely with accuracy to every pixel and to monitor the global change.

出版日期: 2009-07-30

TP 732.2

基金资助:

国家自然科学基金委员会地球科学部项目资助（40471096）；国家重点基础研究发展规划（973）项目（2001CB309404）。

引用本文:

毛克彪, 覃志豪, 王建明, 武胜利. 针对MODIS数据的大气水汽含量反演及31和32波段透过率计算[J]. 国土资源遥感, 2005, 17(1): 26-29.
MAO Ke-Biao, QIN Zhi-Hao, WANG Jian-Ming, WU Sheng-Li. LOWTRAN RETRIEVAL OF ATMOSPHERIC WATER CONTENT AND
TRANSMITTANCE COMPUTATION OF MODIS BANDS 31 AND 32. REMOTE SENSING FOR LAND & RESOURCES, 2005, 17(1): 26-29.

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https://www.gtzyyg.com/CN/10.6046/gtzyyg.2005.01.06 或 https://www.gtzyyg.com/CN/Y2005/V17/I1/26