USGS - science for a changing world

Science Topics

Science Topics term usage Tuesday, 2010-07-13

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

Scripts used

2073science
308combine
41kwic

Browse terms chosen

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

687earthquakes
233earthquake occurrences
125volcanoes
72real-time monitoring and reporting
70maps and atlases
58climate change
39water quality
35energy resources
32invasive species
29ground water
29mineral resources
28topographic maps
22surface water (non-marine)
22earthquake probabilities
22map interfaces
18floods
15geospatial analysis
14stream-gage measurement
14droughts
13remote sensing
13contamination and pollution
11oil resources
11seismology
11geologic maps
10environmental health (human)
8avian influenza
8geochemistry
7soil resources
7ground-water quality
6hydrogeology
6coal resources
5mining hazards
5streamflow
5water supply and demand
5river systems
5ground-water flow
5organism growth and development
5geographic information systems (GIS)
5desert ecosystems
5ocean characteristics

KWIC index letters chosen

bar graph showing usage of each letter

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