USGS - science for a changing world

Science Topics

Science Topics term usage Saturday, 2007-09-01

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

Scripts used

1140science
102combine
85kwic

Browse terms chosen

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

50water sampling
34geographic information systems (GIS)
30earthquakes
19volcanoes
16earthquake occurrences
10acid deposition
10land surface characteristics
10rocks and deposits
9earth structure
8human impacts
8natural gas resources
8DNA sequencing
7water properties
7real-time monitoring and reporting
6animals
6maps and atlases
5hurricanes
5environmental assessment
5limnology
5fires
5geologic history
5eutrophication
5endangered species
5wildlife
5water supply and demand
5geography
5magnetic field (earth)
5plants (organisms)
5grassland ecosystems
5energy resources
4health and disease
4topography
4climate change
4water circulation
4rivers
4stratigraphy
4image collections
4crust (earth)
4natural resource extraction
4land use and land cover

KWIC index letters chosen

bar graph showing usage of each letter

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