Country

Puerto Rico

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 Puerto Rico.

Impacts Water

Although heavy rainstorms may become more common, total rainfall is likely to decrease in the Caribbean region, especially during spring and summer. Warmer temperatures also reduce the amount of water available because they increase the rate at which water evaporates (or transpires) into the air from soils, plants, and surface waters. With less rain and drier soils, Puerto Rico may face an increased risk of drought, which in turn can affect public water supplies, agriculture, and the economy. For example, during the 2015 drought—one of the worst in Puerto Rico’s history—hundreds of thousands of people faced water restrictions, and some people’s water was turned off for one or two days at a time. (United States Environmental Protection Agency, 2016).

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

 

OR

Data presented under Historical Climate Conditions are reanalysis products derived from ERA5-Land data. ERA5-Land is a global land-surface dataset at 9 km resolution, consistent with atmospheric data from the ERA5 reanalysis from 1950 onward. Climate reanalyses combine past observations with models to generate consistent time series of multiple climate variables. They provide a comprehensive description of the observed climate as it has evolved during recent decades, on 3D grids at sub-daily intervals. 

This data has been collected, aggregated and processed by the Climate Resilience Cluster of the European Space Agency’s (ESA) Earth Observation for Sustainable Development (EO4SD) initiative.

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