USGS - science for a changing world

Science Topics

Science Topics term usage Saturday, 2011-12-17

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

Scripts used

2429science
379combine
76kwic

Browse terms chosen

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

745earthquakes
277earthquake occurrences
64volcanoes
61energy resources
59maps and atlases
52mineral resources
51real-time monitoring and reporting
48oil resources
42climate change
37floods
36map interfaces
33groundwater
27geospatial analysis
27surface water (non-marine)
27remote sensing
26water quality
25contamination and pollution
23invasive species
21droughts
19seismology
19avian influenza
19earthquake probabilities
18environmental health (human)
14topographic maps
13microbiology
11tsunamis
10geologic maps
9groundwater flow
9hydrogeology
9natural gas resources
8ocean currents
8human impacts
8mass wasting
7earth structure
7volcanic activity
6groundwater quality
6acid deposition
6geographic information systems (GIS)
5ocean characteristics
5water chemistry

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Tuesday, 20-Dec-2011 09:05:23 EST