Population Analysis

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Low-Hanging Geospatial Fruit for the Suwannee
Drainage Basin
Mike Crane USGS EROS Data Center Sioux Falls, SD
57198 [phone] mpcrane_at_usgs.gov
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(No Transcript)
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Landsat Satellite Data 1973 - Present
March 11, 1973
May 25, 1975
April 17, 1977
April 7, 1979
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Landsat 7 Enhanced Thematic Mapper
December 7, 1999
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SPOT Satellite Data
Panchromatic
Multispectral
SPOT 1 9/18/89
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National Aerial Photography Program
(1987-present)   6 metadata records retrieved
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Digital Orthophoto Quadrangles Ellaville SE
Quarter Quadrangle
January 1, 1994
December 31, 1998
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Shuttle Radar Topography Mission
30 meter resolution
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National Elevation Database
Best available resolution, usually 30 or 10 meter
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Corn Row Effect in DEMs
Created during manual tagging of elevation data
using an analytical stereo plotter. Area shown
is in the upper Hillsborough River Basin.
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Problem DEMs
Red waffle pattern Blue striped pattern
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National Land Cover Database 1992
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We are working to understand the process of
urbanization in the Tampa Bay watershed and
investigating its impact on seagrass and wetland
distribution, land use/land cover, surface runoff
and water quality, climate modification, resource
availability, and its long-term environmental
implications.
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Urban Growth Seagrass Decline
1879
1940
1963
urban
seagrass
water
1972
1992
1999
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Predicted Urban Growth to 2025 (from 1992 trends)
Existing Urban (1992)
95-100 probability urban
90-95 probability urban
80-90 probability urban
70-80 probability urban
60-70 probability urban
50-60 probability urban
water
wetland
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Mapping Imperviousness
1992
2000
Change
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Tampa Percent Imperviousness, 2002
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MODIS 1km Satellite Data
DAY
NIGHT
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Other Useful Web Sites
http//nationalmap.usgs.gov http//seamless.usgs.g
ov http//gisdata.usgs.net http//edc.usgs.gov htt
p//www.usgs.gov