USGS - science for a changing world

Science Topics

Science Topics term usage 2009-08

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

Scripts used

174909science
25702combine
7231kwic

Browse terms chosen

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

26214earthquakes
13757earthquake occurrences
6749maps and atlases
6478volcanoes
4466real-time monitoring and reporting
3118topographic maps
3071climate change
2947mineral resources
2784map interfaces
2549energy resources
2490ground water
2227floods
2125surface water (non-marine)
2109water quality
1975remote sensing
1905contamination and pollution
1853geospatial analysis
1792droughts
1766fires
1727avian influenza
1669invasive species
1556geologic maps
1429environmental health (human)
1141earthquake probabilities
997seismology
885life sciences
855health and disease
815oil resources
800animals
718human impacts
637acid deposition
632river systems
559earth structure
547hydrology
547global warming
539volcanic activity
536surface water quality
505geologic processes
499land use and land cover
473rocks and deposits

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Friday, 18-Sep-2009 21:18:25 EDT