USGS - science for a changing world

Science Topics

Science Topics term usage Friday, 2008-07-11

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

Scripts used

2779science
390combine
146kwic

Browse terms chosen

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

346earthquakes
149maps and atlases
122earthquake occurrences
109volcanoes
86real-time monitoring and reporting
85USGS map servers
73mineral resources
70energy resources
59ground water
57floods
53surface water (non-marine)
51climate change
50water quality
49fires
48contamination and pollution
47geospatial analysis
40remote sensing
36droughts
35invasive species
29avian influenza
24environmental health (human)
21oil resources
15natural gas resources
14seismology
13earthquake probabilities
12streamflow
12USGS budget
11ground-water flow
10hydrology
9ecotoxicology
9ocean characteristics
8land use and land cover
8cartography
8river systems
8topography
7nonmetallic mineral resources
7animals
7USGS data downloading
7mining and quarrying
7water supply and demand

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Monday, 14-Jul-2008 18:40:32 EDT