USGS - science for a changing world

Science Topics

Science Topics term usage Monday, 2008-12-29

This analysis excludes the activity of search-engine spiders, USGS users, and transactions resulting in errors.

Scripts used

2920science
462combine
91kwic

Browse terms chosen

(Table shows only the 40 most frequently chosen terms.)

765earthquakes
337earthquake occurrences
135volcanoes
109maps and atlases
73real-time monitoring and reporting
56floods
53topographic maps
50climate change
44ground water
42USGS map servers
39mineral resources
37energy resources
35surface water (non-marine)
31remote sensing
27avian influenza
26water quality
25geospatial analysis
22droughts
22contamination and pollution
21geologic maps
20invasive species
16seismology
15environmental health (human)
14oil resources
14earthquake probabilities
13streamflow
11aerial photography
10ground-water flow
9health and disease
9fires
8natural gas resources
8land use and land cover
8animals
8impact cratering
7drainage basins
7coal resources
7social sciences
7erosion
7ecology
7water temperature

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Tuesday, 06-Jan-2009 09:43:40 EST