USGS - science for a changing world

Science Topics

Science Topics term usage Friday, 2010-05-07

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

Scripts used

4485science
759combine
220kwic

Browse terms chosen

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

1083earthquakes
409earthquake occurrences
318volcanoes
183maps and atlases
121real-time monitoring and reporting
110ground water
86environmental health (human)
73mineral resources
72topographic maps
70map interfaces
69energy resources
67climate change
64geospatial analysis
59earthquake probabilities
58surface water (non-marine)
55floods
49contamination and pollution
47geologic maps
43seismology
42remote sensing
39droughts
29invasive species
29avian influenza
27river systems
25oil resources
21animals
20hydrogeology
19water quality
19volcanic activity
18fires
17tectonic processes
16hazards
15human impacts
15erosion
14sediment transport
13Nevada
13stream-gage measurement
13topics
13geochemistry
12earth history

KWIC index letters chosen

bar graph showing usage of each letter

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