USGS - science for a changing world

Science Topics

Science Topics term usage Saturday, 2009-08-08

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

Scripts used

3588science
502combine
123kwic

Browse terms chosen

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

474earthquakes
272climate change
225earthquake occurrences
190volcanoes
183maps and atlases
131real-time monitoring and reporting
93map interfaces
81topographic maps
77energy resources
59global warming
56avian influenza
55ground water
54droughts
49geospatial analysis
48mineral resources
48geologic maps
42surface water (non-marine)
41contamination and pollution
39floods
34water quality
33remote sensing
29earthquake probabilities
28invasive species
27oil resources
27fires
22global change
18hurricanes
18surface water quality
17erosion
16surface-water level
15volcanic activity
15seismology
15river systems
14geography
13topics
12river reaches
12environmental health (human)
12natural gas resources
12acid deposition
10North America

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Thursday, 10-Sep-2009 11:49:48 EDT