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Mapping the FTS SWIR L2 product of XCO2 and XCH4 data from the GOSAT by the Kriging method : a case study in East Asia

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Title: Mapping the FTS SWIR L2 product of XCO2 and XCH4 data from the GOSAT by the Kriging method : a case study in East Asia
Authors: Liu, Yang Browse this author
Wang, Xiufeng Browse this author →KAKEN DB
Guo, Meng Browse this author
Tani, Hiroshi Browse this author →KAKEN DB
Issue Date: 18-Oct-2011
Publisher: Taylor & Francis
Journal Title: International Journal of Remote Sensing
Volume: 33
Issue: 10
Start Page: 3004
End Page: 3025
Publisher DOI: 10.1080/01431161.2011.624132
Abstract: Developed by Japan, the Greenhouse Gases Observing Satellite (GOSAT), also known as IBUKI, was successfully launched on January 23, 2009 and is used to monitor greenhouse gases on the Earth's surface. Observations started in April 2009, and the Levels 1, Level 2 and Level 3 products became available to general users in November 2009, February 2010 and October 2010, respectively. For this paper, Kriging methods were proposed to generate the spatial distribution of the daily GOSAT's XCO2 and XCH4 data within the region of East Asia from June 2009 to May 2010. The relationship between the distance and difference of the daily data in each month were represented by variogram models. The concentration distributions of XCO2 and XCH4 in East Asia can be intuitively seen on a Kriging interpolation map. Seasonal changes were observed. The concentration of XCO2 was high in winter and spring, which might due to the smoke and dust from coal burning. The concentration of XCH4 changed significantly with latitude in autumn and winter, mainly according to temperature change. In addition, by comparison, the Level 2 Kriging interpolation values were lower than ground observed data and consistent with the higher tendency of Level 3 data.
Rights: This is an Author's Accepted Manuscript of an article published in International Journal of Remote Sensing Volume 33, Issue 10, pages 3004-3025, 2011, copyright © Taylor & Francis, available online at:
Type: article (author version)
Appears in Collections:農学院・農学研究院 (Graduate School of Agriculture / Faculty of Agriculture) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 王 秀峰

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