USGS - science for a changing world

Science Topics

Science Topics term usage Thursday, 2009-09-24

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

Scripts used

5693science
748combine
241kwic

Browse terms chosen

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

832earthquakes
383earthquake occurrences
338maps and atlases
309volcanoes
141real-time monitoring and reporting
117climate change
117topographic maps
113mineral resources
104floods
98water quality
95energy resources
94map interfaces
88remote sensing
72surface water (non-marine)
68ground water
64invasive species
59avian influenza
58geospatial analysis
55environmental health (human)
55droughts
55oil resources
53contamination and pollution
47fires
41surface water quality
37geologic maps
36acid deposition
34earth structure
34soil resources
33natural resources
32earthquake probabilities
29aerial photography
27health and disease
25tsunamis
25life sciences
25seismology
25field methods
24hydrology
22seismic methods
21human impacts
19geographic information systems (GIS)

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Tuesday, 20-Oct-2009 11:54:06 EDT