USGS - science for a changing world

Science Topics

Science Topics term usage Saturday, 2006-07-08

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

Scripts used

732science
41kwic
35combine

Browse terms chosen

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

74gold ores
60geographic information systems (GIS)
33earthquakes
17ecology
16volcanoes
15coalbed methane resources
15geologic structure
14stream-gage measurement
13oxygen isotope analysis
13biogeography
11earthquake occurrences
10climate change
10tectonic processes
9earth structure
7geologic history
7biodiversity
7rivers
6acid deposition
6energy resources
6droughts
6human impacts
5maps and atlases
5land surveying
5surface water (non-marine)
5tsunamis
5fires
4animals
4genetic diversity
4streamflow
4magnetic field (earth)
4global change
4economic geology
4habitats
4field sampling
4natural resource exploration
4endangered species
4sea surface temperature
4contamination and pollution
4earthquake probabilities
3gem resources

KWIC index letters chosen

bar graph showing usage of each letter

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://geology.usgs.gov/peter/topics/term-use/2006-07/2006-07-08.html
Page Contact Information: Peter Schweitzer
Page Last Modified: Friday, 25-Apr-2008 17:34:52 EDT