USGS - science for a changing world

Science Topics

Science Topics term usage Thursday, 2008-12-18

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

Scripts used

2124science
275combine
83kwic

Browse terms chosen

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

508earthquakes
208earthquake occurrences
113volcanoes
90maps and atlases
42USGS map servers
42real-time monitoring and reporting
42climate change
38water quality
36mineral resources
33floods
33topographic maps
30energy resources
27avian influenza
25geospatial analysis
24remote sensing
24droughts
23earthquake probabilities
23ground water
22geologic maps
19surface water (non-marine)
14environmental health (human)
13contamination and pollution
13river systems
13acid deposition
10fires
10invasive species
10geographic information systems (GIS)
10seismology
9hydrology
9tsunamis
8metallic ores
8earth structure
8topics
8human impacts
8oil resources
7water chemistry
7endangered species
7transect sampling
7global warming
7outer core (earth)

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Monday, 22-Dec-2008 09:53:16 EST