USGS - science for a changing world

Science Topics

Science Topics term usage Thursday, 2010-12-30

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

Scripts used

7213science
1077combine
95kwic

Browse terms chosen

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

4401earthquakes
1607earthquake occurrences
124volcanoes
98seismology
85maps and atlases
80real-time monitoring and reporting
71earthquake probabilities
41map interfaces
37groundwater
36mineral resources
33topographic maps
30energy resources
27climate change
25surface water (non-marine)
20invasive species
20floods
18droughts
16oil resources
16geologic maps
16avian influenza
16remote sensing
16geospatial analysis
14water quality
10volcanic activity
10Indiana
9topics
8natural gas resources
8land use and land cover
7contamination and pollution
7fires
6surface water quality
5aquatic ecosystems
5hazards
5Illinois
5environmental health (human)
5freshwater ecosystems
5tectonic processes
5coal resources
4soil resources
4stream-gage measurement

KWIC index letters chosen

bar graph showing usage of each letter

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