Arid
DOI10.3390/rs8110895
Spaceborne Sun-Induced Vegetation Fluorescence Time Series from 2007 to 2015 Evaluated with Australian Flux Tower Measurements
Sanders, Abram F. J.1,2; Verstraeten, Willem W.1,3,4; Kooreman, Maurits L.1; van Leth, Thomas C.1; Beringer, Jason5; Joiner, Joanna6
通讯作者Sanders, Abram F. J. ; Verstraeten, Willem W.
来源期刊REMOTE SENSING
ISSN2072-4292
出版年2016
卷号8期号:11
英文摘要

A global, monthly averaged time series of Sun-induced Fluorescence (SiF), spanning January 2007 to June 2015, was derived from Metop-A Global Ozone Monitoring Experiment 2 (GOME-2) spectral measurements. Far-red SiF was retrieved using the filling-in of deep solar Fraunhofer lines and atmospheric absorption bands based on the general methodology described by Joiner et al, AMT, 2013. A Principal Component (PC) analysis of spectra over non-vegetated areas was performed to describe the effects of atmospheric absorption. Our implementation (SiF KNMI) is an independent algorithm and differs from the latest implementation of Joiner et al, AMT, 2013 (SiF NASA, v26), because we used desert reference areas for determining PCs (as opposed to cloudy ocean and some desert) and a wider fit window that covers water vapour and oxygen absorption bands (as opposed to only Fraunhofer lines). As a consequence, more PCs were needed (35 as opposed to 12). The two time series (SiF KNMI and SiF NASA, v26) correlate well (overall R of 0.78) except for tropical rain forests. Sensitivity experiments suggest the strong impact of the water vapour absorption band on retrieved SiF values. Furthermore, we evaluated the SiF time series with Gross Primary Productivity (GPP) derived from twelve flux towers in Australia. Correlations for individual towers range from 0.37 to 0.84. They are particularly high for managed biome types. In the de-seasonalized Australian SiF time series, the break of the Millennium Drought during local summer of 2010/2011 is clearly observed.


英文关键词sun-induced fluorescence GOME-2 gross primary productivity time series flux towers principal component analysis OzFlux
类型Article
语种英语
国家Netherlands ; Germany ; Belgium ; Australia ; USA
收录类别SCI-E
WOS记录号WOS:000388798400016
WOS关键词INDUCED CHLOROPHYLL FLUORESCENCE ; LIGHT-USE-EFFICIENCY ; INTERANNUAL VARIABILITY ; SATELLITE MEASUREMENTS ; SEMIARID ECOSYSTEMS ; SPATIAL VARIABILITY ; RETRIEVAL ; PHOTOSYNTHESIS ; CARBON ; MODEL
WOS类目Remote Sensing
WOS研究方向Remote Sensing
来源机构University of Western Australia
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/195981
作者单位1.Royal Netherlands Meteorol Inst KNMI, R&D Satellite Observat, Utrechtseweg 297, NL-3731 GA De Bilt, Netherlands;
2.Univ Bremen, Inst Umweltphys IUP, Otto Hahn Allee 1, D-28359 Bremen, Germany;
3.Royal Meteorol Inst KMI, Ringlaan 3, B-1180 Uccle, Belgium;
4.Wageningen Univ, Meteorol & Air Qual Grp, Droevendaalsesteeg 4, NL-6708 PB Wageningen, Netherlands;
5.Univ Western Australia, Sch Earth & Environm, 35 Stirling Highway, Crawley, WA 6009, Australia;
6.NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
推荐引用方式
GB/T 7714
Sanders, Abram F. J.,Verstraeten, Willem W.,Kooreman, Maurits L.,et al. Spaceborne Sun-Induced Vegetation Fluorescence Time Series from 2007 to 2015 Evaluated with Australian Flux Tower Measurements[J]. University of Western Australia,2016,8(11).
APA Sanders, Abram F. J.,Verstraeten, Willem W.,Kooreman, Maurits L.,van Leth, Thomas C.,Beringer, Jason,&Joiner, Joanna.(2016).Spaceborne Sun-Induced Vegetation Fluorescence Time Series from 2007 to 2015 Evaluated with Australian Flux Tower Measurements.REMOTE SENSING,8(11).
MLA Sanders, Abram F. J.,et al."Spaceborne Sun-Induced Vegetation Fluorescence Time Series from 2007 to 2015 Evaluated with Australian Flux Tower Measurements".REMOTE SENSING 8.11(2016).
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