USGS - science for a changing world

Science Topics

Science Topics term usage Saturday, 2007-09-08

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

Scripts used

1335science
114kwic
56combine

Browse terms chosen

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

33earthquakes
31geographic information systems (GIS)
29population dynamics
22volcanoes
21climate change
18mineral resources
16ocean processes
15earthquake occurrences
15global warming
14earth structure
13contamination and pollution
12acid deposition
11human impacts
11droughts
11plants (organisms)
10real-time monitoring and reporting
10rocks and deposits
10health and disease
10endangered species
10land use and land cover
9global change
8sediment transport
8tectonic processes
8animals
8economic geology
7landslides
7streamflow
7maps and atlases
7ecosystems
7planetary bodies
7geologic history
7wildlife
7magnetic field (earth)
7ground water
7erosion
7volcanic activity
7mathematical modeling
6topography
6sea-floor characteristics
6land surface characteristics

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Friday, 25-Apr-2008 17:34:58 EDT