USGS - science for a changing world

Science Topics

Science Topics term usage Wednesday, 2009-07-08

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

Scripts used

2203science
292combine
65kwic

Browse terms chosen

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

367earthquakes
169earthquake occurrences
123maps and atlases
122volcanoes
75real-time monitoring and reporting
49topographic maps
49map interfaces
45energy resources
42climate change
35mineral resources
33ground water
32surface water (non-marine)
30geologic maps
30floods
28remote sensing
26contamination and pollution
26water quality
25droughts
22geospatial analysis
21oil resources
21invasive species
20environmental health (human)
16fires
16natural gas resources
15avian influenza
14seismology
12volcanic activity
8river systems
7health and disease
7earthquake probabilities
6streamflow
6stream discharge
6geographic information systems (GIS)
6hydrology
6animals
6metallic ores
5land use change
5ecosystems
5stream-gage measurement
5land use and land cover

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Monday, 13-Jul-2009 11:28:47 EDT