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Matt Charette, Meagan Gonneea, and Crystal Breier sampling in a cave.

Matt Charette, Meagan Gonneea, and Crystal Breier sampling in a cave.
Matt Charette, Meagan Gonneea, and Crystal Breier sampling in a cave.
Matt Charette, Meagan Gonneea, and Crystal Breier sampling in a cave.
Matt Charette, Meagan Gonneea, and Crystal Breier sampling in a cave.
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211172
Gonneea, Meagan E.
Matt Charette, Meagan Gonneea, and Crystal Breier sampling in a cave.
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12/05/2009
Addsamplingincaveccd2.jpg
Image Of the Day caption:
Matt Charette, Meagan Gonneea, and Crystal Breier collect and test samples of groundwater in a cave on the Yucatan Peninsula, Mexico. The instrument behind Charettes arm measures the salinity, pH, oxygen level, and other characteristics of the water, and the large container holds water that will later be analyzed for radium. Radium is a radioactive tracer that dissolves into the groundwater from the surrounding rocks and travels with the groundwater as it flows into the coastal ocean. The team is working to understand how trace elements and nutrients cycle in groundwater and how much groundwater flows into the nearby coastal ocean.
Photo by Meagan Gonneea
© Woods Hole Oceanographic Institution
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