A New Global Solar-induced Chlorophyll Fluorescence (SIF) Data Product from TanSat Measurements

被引：0

作者：

Lu YAO ^{[1
,2
]}

Dongxu YANG ^{[1
,3
]}

Yi LIU ^{[1
,3
]}

Jing WANG ^{[1
,2
]}

Liangyun LIU ^{[4
]}

Shanshan DU ^{[2
,4
]}

Zhaonan CAI ^{[1
]}

Naimeng LU ^{[5
]}

Daren LYU ^{[1
]}

Maohua WANG ^{[3
]}

Zengshan YIN ^{[6
]}

Yuquan ZHENG ^{[7
,8
]}

机构：

[1] Key Laboratory of Middle Atmosphere and Global Environment Observation, Institute of Atmospheric Physics,Chinese Academy of Sciences

[2] University of Chinese Academy of Sciences

[3] Shanghai Advanced Research Institute, Chinese Academy of Sciences

[4] Key Laboratory of Digital Earth Science, Institute of Remote Sensing and Digital Earth,Chinese Academy of Sciences

[5] National Satellite Meteorological Center,China Meteorological Administration

[6] Shanghai Engineering Center for Microsatellites

[7] Changchun Institute of Optics,Fine Mechanics and Physics

[8] Changchun 130033, China

来源：

Advances in Atmospheric Sciences | 2021年 / 38卷 / 03期

基金：

中国国家自然科学基金; 国家重点研发计划;

关键词：

D O I：

暂无

中图分类号：

P412.27 [卫星探测]; X831 [大气监测];

学科分类号：

0706 ; 070601 ; 070602 ;

摘要：

The Chinese Carbon Dioxide Observation Satellite Mission(TanSat) is the third satellite for global CO2 monitoring and is capable of detecting weak solar-induced chlorophyll fluorescence(SIF) signals with its advanced technical characteristics. Based on the Institute of Atmospheric Physics Carbon Dioxide Retrieval Algorithm for Satellite Remote Sensing(IAPCAS) platform, we successfully retrieved the TanSat global SIF product spanning the period of March 2017 to February 2018 with a physically based algorithm. This paper introduces the new TanSat SIF dataset and shows the global seasonal SIF maps. A brief comparison between the IAPCAS TanSat SIF product and the data-driven SVD(singular value decomposition) SIF product is also performed for follow-up algorithm optimization. The comparative results show that there are regional biases between the two SIF datasets and the linear correlations between them are above 0.73 for all seasons. The future SIF data product applications and requirements for SIF space observation are discussed.

引用

页码：341 / 345

页数：5

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