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Tiffany Troxler, Director of the Sea Level Solutions Center, recently gathered 75 volunteers to collect data from puddles across the Biscayne Bay area in an effort to help scientists understand how rising seas will affect the city.

Troxler and her citizen scientists checked the salinity of the water to confirm that the flooded water is from the Bay and not just backed-up rainwater. The team also sampled for chemicals and bacteria.

When tides are at their highest, salt water flows up through the drains in low-lying neighborhoods across the Miami area. At its worst, flooding turns streets into impassable streams. When the waters rise, cities need to know street by street who and what is at risk. And they need to know what combinations of conditions turn streets into streams, and which just leave salty puddles.

Read the full article for more on these citizen scientists.