USGS - science for a changing world

Science Topics

Science Topics term usage Sunday, 2007-02-18

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

Scripts used

1404science
117kwic
55combine

Browse terms chosen

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

57earthquakes
52geographic information systems (GIS)
49volcanoes
26water resource management
25water resources
17coastal zones
16earthquake occurrences
14contamination and pollution
14mineral resources
13acid deposition
13land surface characteristics
13climate change
12anatomy and physiology
11tsunamis
11cartography
10maps and atlases
9tectonic processes
9geologic structure
9ocean temperature
9earth structure
9global change
9industrial pollution
9global warming
9human impacts
8landslides
8aerial photography
8snow and ice cover
8oil resources
8rocks and deposits
7sediment transport
7water use
7sea-floor characteristics
7water quality
7streamflow
7desert ecosystems
7volcanic activity
6glaciation
6hurricanes
6ecosystems
6surface water (non-marine)

KWIC index letters chosen

bar graph showing usage of each letter

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