USGS - science for a changing world

Science Topics

Science Topics term usage Wednesday, 2008-06-25

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

Scripts used

2729science
455combine
80kwic

Browse terms chosen

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

493earthquakes
214earthquake occurrences
144maps and atlases
109volcanoes
103floods
99real-time monitoring and reporting
72USGS map servers
66mineral resources
59ground water
59fires
54energy resources
52geospatial analysis
49surface water (non-marine)
43climate change
42water quality
38contamination and pollution
38invasive species
37avian influenza
36remote sensing
30droughts
25environmental health (human)
19oil resources
16hydrology
14river systems
13earthquake probabilities
13earth structure
13hazards
13erosion
11tectonic processes
11aquatic ecosystems
10seismology
10animals
8topics
8natural gas resources
7geochemistry
7USGS maps on demand
7cartography
7USGS data downloading
7endangered species
7global warming

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Monday, 30-Jun-2008 10:46:06 EDT