USGS - science for a changing world

Science Topics

Science Topics term usage Tuesday, 2012-04-10

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

Scripts used

2626science
358combine
62kwic

Browse terms chosen

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

626earthquakes
213earthquake occurrences
158volcanoes
76maps and atlases
61mineral resources
47real-time monitoring and reporting
47groundwater
42energy resources
39geospatial analysis
37climate change
34surface water (non-marine)
31floods
30contamination and pollution
29remote sensing
27water quality
26avian influenza
26map interfaces
25invasive species
25topographic maps
23human impacts
23fires
22environmental health (human)
22natural gas resources
22droughts
21earthquake probabilities
20geologic maps
19oil resources
11tectonic processes
10hydrology
10microbiology
9surface water quality
9natural resource assessment
8tsunamis
8land use and land cover
8acid deposition
8metallic ores
8endangered species
7land use change
7infrared imaging
7employment and volunteer opportunities

KWIC index letters chosen

bar graph showing usage of each letter

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