Journal
REMOTE SENSING OF ENVIRONMENT
Volume 223, Issue -, Pages 95-114Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.rse.2019.01.016
Keywords
Photosynthesis; Gross primary productivity; Remote sensing; Carbon cycle; Sun-induced chlorophyll fluorescence
Funding
- National Research Foundation of Korea [NRF-2016M1A3A3A02018195]
- Carnegie Institution for Science
- Department of Energy, Biological and Environmental Research
- California Agricultural Experiment Station, McIntire-Stennis Project of the United States Department of Agriculture
- National Research Foundation of Korea [2016M1A3A3A02018195] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Quantifying global terrestrial photosynthesis is essential to understanding the global carbon cycle and the climate system. Remote sensing has played a pivotal role in advancing our understanding of photosynthesis from leaf to global scale; however, substantial uncertainties still exist. In this review, we provide a historical overview of theory, modeling, and observations of photosynthesis across space and time for decadal intervals beginning in the 1950s. Then we identify the key uncertainties in global photosynthesis estimates, including evaluating light intercepted by canopies, biophysical forcings, the structure of light use efficiency models and their parameters, like photosynthetic capacity, and relationships between sun-induced chlorophyll fluorescence and canopy photosynthesis. Finally, we review new opportunities with big data and recently launched or planned satellite missions.
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