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Cited by 386

The DOI matches its Crossref record; 45 of the 45 references it cites were found in a registry or an index.

Forest productivity and water stress in Amazonia: observations from GOSAT chlorophyll fluorescence

Open access
Lee, Jung-Eun, Frankenberg, Christian, van der Tol, Christiaan, Berry, Joseph A., Guanter, Luis, Boyce, C. Kevin, Fisher, Joshua B., Morrow, Eric, Worden, John R., Asefi, Salvi, Badgley, Grayson, Saatchi, Sassan·2013·Proceedings of the Royal Society B: Biological Sciences

Abstract

It is unclear to what extent seasonal water stress impacts on plant productivity over Amazonia. Using new Greenhouse gases Observing SATellite (GOSAT) satellite measurements of sun-induced chlorophyll fluorescence, we show that midday fluorescence varies with water availability, both of which decrease in the dry season over Amazonian regions with substantial dry season length, suggesting a parallel decrease in gross primary production (GPP). Using additional SeaWinds Scatterometer onboard QuikSCAT satellite measurements of canopy water content, we found a concomitant decrease in daily storage of canopy water content within branches and leaves during the dry season, supporting our conclusion. A large part ( r 2 = 0.75) of the variance in observed monthly midday fluorescence from GOSAT is explained by water stress over moderately stressed evergreen forests over Amazonia, which is reproduced by model simulations that include a full physiological representation of photosynthesis and fluorescence. The strong relationship between GOSAT and model fluorescence ( r 2 = 0.79) was obtained using a fixed leaf area index, indicating that GPP changes are more related to environmental conditions than chlorophyll contents. When the dry season extended to drought in 2010 over Amazonia, midday basin-wide GPP was reduced by 15 per cent compared with 2009.

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Metadata

Authors
Lee, J.-E., Frankenberg, C., van der Tol, C., Berry, J. A., Guanter, L., Boyce, C. K., Fisher, J. B., Morrow, E., Worden, J. R., Asefi, S., Badgley, G., & Saatchi, S.
Venue
Proceedings of the Royal Society B: Biological Sciences
Published
2013-06-22
Volume
280
Issue
1761
Pages
20130171
ISSN
  • 0080-4649 (ISSN-L)
  • 0962-8452
  • 1471-2954
OpenAlex
W2094278312
Cited by
386
References
45
FWCI
16.87
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Forest productivity and water stress in Amazonia: observations from GOSAT chlorophyll fluorescence. https://app.cochat.ai/papers/10.1098/rspb.2013.0171
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Lee, J.-E., Frankenberg, C., van der Tol, C., Berry, J. A., Guanter, L., Boyce, C. K., Fisher, J. B., Morrow, E., Worden, J. R., Asefi, S., Badgley, G., & Saatchi, S. (2013). Forest productivity and water stress in Amazonia: observations from GOSAT chlorophyll fluorescence. Proceedings of the Royal Society B: Biological Sciences. https://doi.org/10.1098/rspb.2013.0171

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