USGS - science for a changing world

Science Topics

Science Topics term usage Friday, 2010-01-22

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

Scripts used

9278science
1793combine
275kwic

Browse terms chosen

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

3101earthquakes
1316earthquake occurrences
400volcanoes
218maps and atlases
201real-time monitoring and reporting
171earthquake probabilities
141floods
103ground water
103map interfaces
100climate change
96seismology
93mineral resources
81surface water (non-marine)
81energy resources
76topographic maps
65invasive species
65tectonic processes
61geologic maps
59geospatial analysis
57water quality
57contamination and pollution
57volcanic activity
56remote sensing
55droughts
50avian influenza
39oil resources
36river systems
36fires
33hazards
32hydrology
29environmental health (human)
29human impacts
28earth structure
26topics
25health and disease
23global warming
22social sciences
21sediment transport
20ecological processes
19California

KWIC index letters chosen

bar graph showing usage of each letter

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