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Home | Tampa Bay Study | Data | Task 3: History and Prehistory > Modern Sediment Distribution

This page is archived and is no longer being maintained. Content was last updated in 2015. For current research, visit http://coastal.er.usgs.gov/.
Tampa Bay Study > Data > Task 3: History and Prehistory > Modern Sediment Distribution
Project leads: Gregg Brooks, (Eckerd College) Thomas M. Cronin, (USGS)

The bottom sediments of Tampa Bay play an important role in both water and habitat quality. Many organisms have specific microhabitat requirements that are reflected in soil composition and chemistry. Also, various bottom sediment characteristics are an important consideration for dredge planning, storm and wave modeling, and soil-water contaminant studies. The USGS and Eckerd College collected and analyzed sediment samples taken in Tampa Bay from 2002 through 2006.

The Tampa Bay Bottom Sediment Maps were created to provide a visual representation of the distribution of these sediments for the entire bottom of Tampa Bay. The sampled data were interpolated (using an inverse distance weighted technique) to create a continuous bottom sediment map. This technique estimates the values in between collected samples by averaging the sample values in the neighborhood of the unsampled location. The known data values are labeled on the map. Although specific projects will require additional data collection, the map provides managers with a general characterization of bottom sediments.

Location of seismic data and boreholes used in this study.

Location of seismic data and boreholes used in this study.
Location of seismic data and boreholes used in this study.

Maps of the bottom sediments of Tampa Bay are useful to both the scientific and estuarine management communities.

PRODUCTS
Map: Tampa Bay Bottom Sediments: Percent Carbonate
Map: Tampa Bay Bottom Sediments: Percent Mud
Map: Tampa Bay Bottom Sediments: Mean Phi (a measure of grain-size)
Map: Tampa Bay Bottom Sediments: Percent Total Organic Content

DATA SETS

Spatial data sets of the bottom sediments of Tampa Bay, as interpreted from cores collected 2002 through 2006 (Metadata)

These data sets are in ArcGIS Shapefile format. To view these files, you must have ESRI ArcGIS Software or other GIS software. A freely available lightweight version of ESRI's software is ArcGIS Explorer.


RELATED PRODUCTS

Gulf of Mexico Integrated Science - Tampa Bay Study - Historical and Prehistorical Record of Tampa Bay Environments (USGS Open-File Report 2005-1016, January 2005) Document, 2 pages.

Tampa Bay Benthic Sampling Data Spatial Data



U.S. Department of the Interior, U.S. Geological Survey, Gulf of Mexico Integrated Science
URL of this page is: http://gulfsci.usgs.gov/tampabay/data/3_sed_distribution/index.html
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