USGS - science for a changing world

Science Topics

Science Topics term usage Friday, 2009-09-18

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

Scripts used

4894science
606combine
202kwic

Browse terms chosen

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

786earthquakes
329earthquake occurrences
273volcanoes
226maps and atlases
101real-time monitoring and reporting
99map interfaces
95climate change
91ground water
90energy resources
87floods
86mineral resources
82invasive species
81topographic maps
72avian influenza
64geospatial analysis
63droughts
60fires
56water quality
54contamination and pollution
53environmental health (human)
49remote sensing
47surface water (non-marine)
39acid deposition
34life sciences
33earthquake probabilities
27natural resources
26geologic maps
25limnology
25geographic information systems (GIS)
22seismology
22animals
22social sciences
22hydrology
21biodiversity
21global warming
21natural gas resources
19health and disease
18geomorphology
18human impacts
17oil resources

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Tuesday, 20-Oct-2009 11:52:23 EDT