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National water use map

Visualizing water use by region and time

Water use data has been collected and compiled by the USGS since 1950. This data has changed over time in terms of how it was categorized and at what spatial scale it was summarized to. This visualization shows that change over time as this dataset has become more powerful, and attempts to illustrate where the data can go in the future to be a more useful dataset going forward.

Hurricane Matthew

Hurricane Matthew's Water Footprint

Hurricane Matthew approached the southeastern U.S. coast on October 7, 2016. This visualization shows the hurricane's impact on precipitation and streamflow.

Climate change and freshwater fish

Shifts in fish habitat under climate change

Shifts in Wisconsin fish habitat due to climate change. Warming lakes are changing fish communities in Wisconsin: walleye populations are declining, while large mouth bass populations are increasing.

Microplastics sampling

Microplastics in the Great Lakes

Microplastics, plastic particles less than 5 millimeters in diameter, are a contaminant of emerging concern in aquatic environments. Microplastics come from a wide range of potential sources (see Microplastics Sources sidebar), and are commonly grouped by size, as well as by particle types including fibers/lines, pellets/beads, foams, films, and fragments.

Lower Colorado basin water shortage

OWDI Lower Colorado Drought Viz

"Drought in the Colorado River Basin: Insights using open data"

California drought overview map

California drought viz

California drought, visualized with open data