The availability of precipitable water retrieval using split-window data

Material type: 文書・図像類

Author: KUJI, Makotoほか

Publisher: 千葉大学環境リモートセンシング研究センター

Publication date: 2002-12-20

Material Format: Digital

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Note (General)：: type:text[ABSTRACT] Water vapor is one of the most significant green house effect gases. A monitoring of water vapor behavior with operational satelli...

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Material Type: 文書・図像類
Title: The availability of precipitable water retrieval using split-window data
Author/Editor: KUJI, Makoto
OKADA, Itaru
UCHIYAMA, Akihiro
TAKAMURA, Tamio
Author Heading: KUJI, Makoto
OKADA, Itaru
UCHIYAMA, Akihiro
TAKAMURA, Tamio
Publication, Distribution, etc.: 千葉大学環境リモートセンシング研究センター
Publication Date: 2002-12-20
Publication Date (W3CDTF): 2002-12-20
Periodical title: CEReS環境リモートセンシングシンポジウム資料集
No. or year of volume/issue: 5
Volume: 5
Pages: 103-111
Text Language Code: eng
Target Audience: 一般
Note (General): type:text
[ABSTRACT] Water vapor is one of the most significant green house effect gases. A monitoring of water vapor behavior with operational satellite is important to investigate the global changes. Water vapor usually exists at lower troposphere. However, precipitable water is a key property to comprehend the variation since sometimes humid air mass moves to the upper troposphere. Using split window channel data with optical sensors such as AVHRR and VIS SR, several retrieval algorithm has been proposed and among them, transmittance ratio method has been often utilized. However, the approach is still controversial because some studies concluded it was available and others not. We investigated the availability of the method with split window channel's data of GMS-5/VISSR on a semi-continental scale. A calibration curve of precipitable water with radiosonde observation had been made in course of the retrieval procedure. However, the calibration curve are hardly sensitive to the precipitable water.Numerical simulations were carried out for the possible condition, and it turned out that calibration was insensitive to precipitable water under some condition at all:larger water water variation for a given surface temperature range within a given region. The results of a feasibility study will be discussed.
Access Restrictions: 限定公開
Related Material (NCID): BA64563608
https://ci.nii.ac.jp/ncid/BA64563608
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 千葉大学 : 千葉大学学術成果リポジトリ