USGS - science for a changing world

Science Topics

Science Topics term usage Wednesday, 2007-01-17

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

Scripts used

2421science
179kwic
102combine

Browse terms chosen

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

116geographic information systems (GIS)
111earthquakes
92karst areas
70volcanoes
30mineral resources
29streamflow
27tectonic processes
27earthquake occurrences
24ground water
22acid deposition
20land use and land cover
19earth structure
18maps and atlases
18climate change
17mathematical modeling
17landslides
16contamination and pollution
16water quality
15field sampling
14endangered species
14magnetic field (earth)
13floods
13ground-water flow
13precipitation (atmospheric)
13oil resources
13earthquake probabilities
13outer core (earth)
13seismology
13health and disease
12cartography
12topography
12human impacts
12rocks and deposits
12erosion
12snow and ice cover
12energy resources
12hazards
12animals
11biostratigraphy
11field inventory and monitoring

KWIC index letters chosen

bar graph showing usage of each letter

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