The potential of the MERIS Terrestrial Chlorophyll Index for carbon flux estimation

被引：64
|
作者：
Harris, A. [1 ]
Dash, J. [1 ]
机构：
[1] Univ Southampton, Sch Geog, Southampton SO17 1BJ, Hants, England
来源：
REMOTE SENSING OF ENVIRONMENT | 2010年 / 114卷 / 08期
关键词：
Remote sensing; Carbon cycle; MERIS Terrestrial Chlorophyll Index; MTCI; Flux tower; GROSS PRIMARY PRODUCTIVITY; GREAT-PLAINS; LEAF-AREA; EXCHANGE; FOREST; MODEL; PHOTOSYNTHESIS; RESPIRATION; EFFICIENCY; SATELLITE;
D O I：
10.1016/j.rse.2010.03.010
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
In this study we evaluated the potential of the Medium Resolution Imaging Spectrometer (MERIS) Terrestrial Chlorophyll Index (MTCI) for monitoring gross primary productivity (GPP) across fifteen eddy covariance towers encompassing a wide variation in North American vegetation composition. The across-site relationship between MTCI and tower GPP was stronger than that between either the MODIS GPP or EVI and tower GPP, suggesting that data from the MERIS sensor can be used as a valid alternative to MODIS for estimating carbon fluxes. Correlations between tower GPP and both vegetation indices (EVI and MTCI) were similar only for deciduous vegetation, indicating that physiologically driven spectral indices, such as the MTCI, may also complement existing structurally-based indices in satellite-based carbon flux modeling efforts. (C) 2010 Elsevier Inc. All rights reserved.
引用
收藏
页码：1856 / 1862
页数：7
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