DEPARTMENT FOR SCIENCE, INNOVATION AND TECHNOLOGY

Climate Science for Service Partnership (CSSP) Brazil - Calls- tender-UNIVERSITY OF EXETER

Project disclaimer

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Description

Collaborative climate science research programme between Brazil and UK to improve understanding of recent climate changes and Brazil’s role in mitigation activities to inform international negotiations; to enhance projections of future weather and climate extremes and impacts to inform decision making and contribute to disaster risk reduction in Brazil. Research into ecosystems responses to extremes.

Objectives

This project constitutes a follow on of previous University Exeter work to cover extension of work as described below; •The University of Exeter are invited to continue existing work on the long-running Amazon forest drought experiment in the Caxiuanã National Reserve in NE Brazil. Previous work has been invaluable for evaluating model responses to drought, helped spur the creation of new hydraulic sub-model SOX (Stomatal Optimisation of Xylem) within JULES funded by CSSP Brazil, and also enabled its first evaluation. •A key uncertainty concerns the extent to which the forest can recover from the extended drought, or whether there are long-term impacts. The University of Exeter are invited to continue the necessary data collection and take advantage of the planned removal of the drought treatment from the Caxiuanã experimental site in August-September 2023. •Following the removal of the artificial drought conditions, Exeter are requested to continue to monitor all of the baseline data-suite (meteorological data, litter-fall, biomass, leaf area index and soil moisture), alongside undertaking repeat hydraulic surveys on both the control and treatment plots to understand whether the carbon and water cycling in the experiment is able to return to non-drought conditions. •Exeter are also invited to use the results from the hydraulic survey to test and further develop an appropriate configuration of the JULES model in order to improve the simulation of drought recovery. The question of forest recovery is also highly relevant to the emerging high-level science question of whether the Earth System can recover from an overshoot of policy-relevant climate targets such as 1.5C global warming, which is expected to be a key focus of the next assessment report of the Intergovernmental Panel on Climate Change (IPCC).

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Location

The country, countries or regions that benefit from this Programme.

Brazil

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