USGS - science for a changing world

Science Topics

Science Topics term usage Friday, 2008-08-08

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

Scripts used

2435science
413combine
56kwic

Browse terms chosen

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

565earthquakes
264earthquake occurrences
117maps and atlases
106volcanoes
81real-time monitoring and reporting
54floods
51USGS map servers
48mineral resources
47surface water (non-marine)
44energy resources
38climate change
37droughts
36geospatial analysis
35water quality
30ground water
28remote sensing
27avian influenza
23contamination and pollution
21invasive species
21environmental health (human)
18river systems
17fires
16seismology
14oil resources
14earthquake probabilities
12USGS budget
10California
10earth structure
10volcanic activity
9hazards
8USGS maps on demand
7stream discharge
6surface water quality
6health and disease
6natural gas resources
6precipitation (atmospheric)
6hydrology
6USGS Quadrangles
5seismic methods
5ground-water quality

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Tuesday, 26-Aug-2008 00:15:58 EDT