USGS - science for a changing world

Science Topics

Science Topics term usage Tuesday, 2008-12-23

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

Scripts used

1595science
182combine
39kwic

Browse terms chosen

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

357earthquakes
156earthquake occurrences
72maps and atlases
61volcanoes
45USGS map servers
41mineral resources
37real-time monitoring and reporting
31topographic maps
28avian influenza
27climate change
27energy resources
25water quality
24ground water
23remote sensing
22geospatial analysis
22floods
20surface water (non-marine)
20invasive species
17geologic maps
16environmental health (human)
15droughts
13contamination and pollution
10earthquake probabilities
9USGS budget
8fires
8oil resources
7seismology
7snow and ice cover
7field methods
7geographic information systems (GIS)
7volcanic activity
6endangered species
6streamflow
6lithostratigraphy
5Washington
5metallic ores
5environmental assessment
5hydrology
5health and disease
5natural gas resources

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Monday, 29-Dec-2008 09:39:39 EST