Understanding the Response of Photosynthetic Metabolism in Tropical Forests to Seasonal Climate Variations. Final Report
- U.S. Geological Survey, Menlo Park, CA (United States)
- Univ. of Michigan, Ann Arbor, MI (United States)
- Univ. of Arizona, Tucson, AZ (United States)
- Univ. of Arizona, Tucson, AZ (United States); Univ. of Technology, Sydney NSW (Australia)
This U.S-Brazil collaboration for GOAmazon has investigated a deceptively simple question: what controls the response of photosynthesis in Amazon tropical forests to seasonal variations in climate? In the past this question has been difficult to answer with modern earth system process models. We hypothesized that observed dry season increases in photosynthetic capacity are controlled by the phenology of leaf flush and litter fall, from which the seasonal pattern of LAI emerges. Our results confirm this hypothesis (Wu et al., 2016). Synthesis of data collected throughout the 3-year project period continues through December 31, 2017 under no-cost extensions granted to the project teams at University of Michigan and University of Arizona (Award 2). The USGS component (Award 1) ceased on the final date of the project performance period, December 31, 2016. This report summarizes the overall activities and achievements of the project, and constitutes the final project report for the USGS component. The University of Michigan will submit a separate final report that includes additional results and deliverables achieved during the period of their and the University of Arizona’s no-cost extension, which will end on December 31, 2017.
- Research Organization:
- US Geological Survey, Flagstaff, AZ (United States). Western Geographic Science Center
- Sponsoring Organization:
- USDOE Office of Science (SC)
- DOE Contract Number:
- SC0008383
- OSTI ID:
- 1349260
- Report Number(s):
- DOE-SC0008383; ER65592
- Country of Publication:
- United States
- Language:
- English
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