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基于光程分布方法校正植物叶绿素荧光的影响

Correction of Effect of Plant Chlorophyll Fluorescence Based on Optical Path Distribution Method

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摘要

基于全球植被的荧光分布, 利用GOSAT数据, 同步反演了光子光程概率分布密度函数因子和755 nm处的荧光强度, 将反演结果与TCCON站点的结果进行了对比。结果表明:对于受植物叶绿素荧光影响较大的Park Falls(45.9°N, 90.3°W)站点附近的GOSAT数据, 考虑荧光影响前后的二氧化碳(CO2)反演结果的最大偏差为1.6×10-6; 对于受荧光影响稍小的Sodankyla(67.4°N, 26.6°E)站点附近的GOSAT数据, 最大偏差为0.8×10-6, 散射校正荧光影响可以使平均误差缩小到0.1×10-6左右。

Abstract

Based on global vegetation fluorescence distribution, photon path probability distribution density function factor and the fluorescence intensity at 755 nm are synchronously inverted with GOSAT data. The inversion results are compared with the results of TCCON site. The results show that for the GOSAT data near the Park Falls (45.9°N, 90.3°W) site, which is greatly affected by plant chlorophyll fluorescence, the maximum deviation between CO2 inversion results before and after considering the effect of fluorescence is 1.6×10-6. While for the GOSAT data of near Sodankyla site which is slightly affected by fluorescence, the maximum deviation is 0.8×10-6. The scattering correction of the fluorescence effect can reduce the average error to about 0.1×10-6.

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中图分类号:P413

DOI:10.3788/aos201939.0401002

所属栏目:大气光学与海洋光学

基金项目:国家重点研发计划(2017YFB0504000, 2017YFB0504001)、高分辨对地观测系统重大专项(民用部分)(32-Y20A17-9001-15/17)、国家自然科学基金(41601393, 41505020)、中国科学院合肥物质科学研究院“十三五”规划重点支持项目

收稿日期:2018-10-10

修改稿日期:2018-11-11

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蒋芸:中国科学院安徽光学精密机械研究所通用光学定标与表征技术重点实验室, 安徽 合肥 230031中国科学技术大学, 安徽 合肥 230026
叶函函:中国科学院安徽光学精密机械研究所通用光学定标与表征技术重点实验室, 安徽 合肥 230031
王先华:中国科学院安徽光学精密机械研究所通用光学定标与表征技术重点实验室, 安徽 合肥 230031
吴浩:中国科学院安徽光学精密机械研究所通用光学定标与表征技术重点实验室, 安徽 合肥 230031中国科学技术大学, 安徽 合肥 230026
吕松:中国科学院安徽光学精密机械研究所通用光学定标与表征技术重点实验室, 安徽 合肥 230031中国科学技术大学, 安徽 合肥 230026
李勤勤:中国科学院安徽光学精密机械研究所通用光学定标与表征技术重点实验室, 安徽 合肥 230031中国科学技术大学, 安徽 合肥 230026
吴时超:中国科学院安徽光学精密机械研究所通用光学定标与表征技术重点实验室, 安徽 合肥 230031中国科学技术大学, 安徽 合肥 230026
吴军:中国科学院安徽光学精密机械研究所通用光学定标与表征技术重点实验室, 安徽 合肥 230031

联系人作者:叶函函(yehhgo@gmail.com)

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引用该论文

Jiang Yun,Ye Hanhan,Wang Xianhua,Wu Hao,Lü Song,Li Qinqin,Wu Shichao,Wu Jun. Correction of Effect of Plant Chlorophyll Fluorescence Based on Optical Path Distribution Method[J]. Acta Optica Sinica, 2019, 39(4): 0401002

蒋芸,叶函函,王先华,吴浩,吕松,李勤勤,吴时超,吴军. 基于光程分布方法校正植物叶绿素荧光的影响[J]. 光学学报, 2019, 39(4): 0401002

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