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125 years of science for America 1879-2004
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MarineQuest X—USGS Supports Florida Marine Research Institute's Open House

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Ann Tihansky
Above: Ann Tihansky (left) used a ground-water model to show how surface pollutants can enter porous limestone and contaminate local ground-water supplies.

Christina Kellogg
Above: Christina Kellogg (right) discussed her research of African dust blown across the Atlantic Ocean and described additional studies being conducted at the USGS center in St. Petersburg, FL.

Scientists from the U.S. Geological Survey (USGS)'s St. Petersburg Science Center in St. Petersburg, FL, participated in the 10th annual MarineQuest, an open house hosted by the Florida Marine Research Institute (FMRI) on April 3 in downtown St. Petersburg.

A group of children and adults eagerly waited their turn to learn about the similarities between Florida's geology and the dissolving of sugar cubes by water from an eyedropper. USGS hydrologist Ann Tihansky and her daughter Tasia explained that limestone is porous, and after many years of water running through the pores, the holes typically increase in diameter as the limestone dissolves, just as sugar dissolves (much more quickly) in drops of water. A popular ground-water model was used to demonstrate how porous zones in limestone can rapidly transport contaminants from the land surface into the Floridan aquifer.

USGS microbiologist Christina Kellogg fielded questions about African dust and other areas of ongoing research in the USGS. A hurricane video played in the center of the display, to increase awareness of the destruction hurricanes have caused in the past. Teacher packets, buttons, handouts, USGS bags, and USGS Open-File Reports were popular items for the public to take home.

The USGS and FMRI have a history of assisting in each other's open houses; for example, a representative from FMRI participated last year in the fifth annual USGS Open House in St. Petersburg.

Related Sound Waves Stories
USGS Celebrates Earth Science Week with an Open House in St. Petersburg, FL
Dec. 2003 / Jan. 2004 2004

Related Web Sites
St. Petersburg Science Center
U.S. Geological Survey (USGS)
Florida Marine Research Institute (FMRI)

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in this issue: Fieldwork
cover story:
Benthic Habitats in Glacier Bay

North Carolina Submarine Groundwater

Research Mucus-Hosted Microbial Communities

Gulf of Maine Mapping Initiative

Forensic Geology Assists Investigation

Submarine Groundwater Discharge

USGS Participates in Marine Quest X

Caribbean Tsunami Hazard Workshop

USGS wins Blue Pencil, Gold Screen Awards

June Publications List

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