USGS - science for a changing world

Science Topics

Science Topics term usage Saturday, 2012-05-12

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

Scripts used

971science
140combine
34kwic

Browse terms chosen

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

260earthquakes
108earthquake occurrences
60volcanoes
29groundwater
28maps and atlases
20geospatial analysis
19real-time monitoring and reporting
19mineral resources
15droughts
14energy resources
13water quality
12climate change
12earthquake probabilities
12invasive species
12oil resources
11avian influenza
9map interfaces
9remote sensing
7surface water (non-marine)
7floods
6hydrogeology
5contamination and pollution
5tsunamis
5North America
5microbiology
5United States
4geologic maps
4environmental health (human)
4geochemistry
4seismology
4acid deposition
4ecology
4vegetation
4tectonic processes
4igneous rocks
4land surface characteristics
4earth structure
3endangered species
3aquatic ecosystems
3magnetic field (earth)

KWIC index letters chosen

bar graph showing usage of each letter

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