Country

Brazil

Explore historical and projected climate data, climate data by sector, impacts, key vulnerabilities and what adaptation measures are being taken. Explore the overview for a general context of how climate change is affecting Brazil.

Impacts Water

The whole of the Amazon River basin, which covers several countries other than Brazil, contains 70% of the global availability of fresh water while Brazil alone contributes 20%. A significant portion (34%) of the annual precipitation in the Amazon comes from local evapotranspiration processes. This is especially true for the southern part of the forest which receives little moisture transport from other areas, whereas the northern region of the Amazon receives ample rainfall from the equatorial Inter-tropical Convergence Zone (ITCZ). Drier conditions from prolonged drought, combined with increased evapotranspiration due to increased temperatures, will likely impact the global freshwater contained in the Amazon. Overall water quality is expected to decrease due to flooding, agricultural runoff, and contaminants associated with mining. (USAID Climate Risk Profile, 2018)

This section provides insights into projected climate change impacts on various hydrological indicators.

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