USGS - science for a changing world

Science Topics

Science Topics term usage Thursday, 2007-09-06

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

Scripts used

2088science
174kwic
146combine

Browse terms chosen

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

105geographic information systems (GIS)
94earthquakes
63volcanoes
54freshwater ecosystems
31earthquake occurrences
29life sciences
28ground-water flow
27acid deposition
25earth structure
20lakes
18geospatial datasets
18hydrology
18ecological processes
17hurricanes
17climate change
15contamination and pollution
15energy resources
15marine geology
14real-time monitoring and reporting
14ocean characteristics
14mineral resources
14tectonic processes
13precipitation (atmospheric)
13land surface characteristics
13health and disease
13aquatic ecosystems
13desert ecosystems
13tsunamis
11maps and atlases
11aerial photography
11scientific careers
11stream-gage measurement
11zoology
11floods
11landslides
11map coordinate systems
11animals
10streamflow
10global warming
10erosion

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