USGS - science for a changing world

Science Topics

Science Topics term usage Saturday, 2011-04-30

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

Scripts used

2116science
335combine
50kwic

Browse terms chosen

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

602earthquakes
184earthquake occurrences
144volcanoes
75maps and atlases
73real-time monitoring and reporting
63floods
44energy resources
39surface water (non-marine)
37climate change
35oil resources
29mineral resources
27map interfaces
26topographic maps
26groundwater
24geospatial analysis
21remote sensing
19droughts
18tsunamis
17invasive species
17earthquake probabilities
16water quality
14avian influenza
14fires
14contamination and pollution
13environmental health (human)
12microbiology
10seismology
9hydrology
8human impacts
8river systems
8geologic maps
7natural gas resources
7streamflow
7sea-floor characteristics
6volcanic activity
6geographic information systems (GIS)
6tectonic processes
6sediment transport
6tornadoes
5land use and land cover

KWIC index letters chosen

bar graph showing usage of each letter

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