USGS - science for a changing world

Science Topics

Science Topics term usage Friday, 2011-07-29

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

Scripts used

1640science
270combine
21kwic

Browse terms chosen

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

427earthquakes
142volcanoes
128earthquake occurrences
73maps and atlases
55real-time monitoring and reporting
43groundwater
42mineral resources
31surface water (non-marine)
30map interfaces
26remote sensing
25topographic maps
24geospatial analysis
22climate change
20water quality
19energy resources
18floods
17droughts
17contamination and pollution
14invasive species
12earthquake probabilities
11environmental health (human)
10volcanic activity
10river systems
8oil resources
8fires
7avian influenza
7microbiology
7geologic maps
7hydrogeology
6vegetation
6rocks and deposits
5earth sciences
5streamflow
4hydrology
4seismology
4tsunamis
4earth characteristics
4lakes
4land use and land cover
4life sciences

KWIC index letters chosen

bar graph showing usage of each letter

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