Science Topics term usage 2007-07-24

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

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

58	geographic information systems (GIS)
55	earthquakes
47	glacier features
28	volcanoes
26	earthquake occurrences
23	field methods
23	earth structure
18	meteorology
16	maps and atlases
15	climate change
15	rocks and deposits
14	contamination and pollution
14	geography
13	ground water
13	animals
13	mineral resources
13	global warming
12	global change
12	water quality
12	land use and land cover
11	fires
11	acid deposition
10	bathymetry
9	real-time monitoring and reporting
9	tsunamis
9	ground-water quality
9	geologic history
9	floods
9	hydrology
9	hurricanes
9	precipitation (atmospheric)
9	magnetic field (earth)
9	sea-floor characteristics
9	laboratory methods
9	ground-water flow
9	lithostratigraphy
9	aerial photography
9	human impacts
8	invasive species
8	geospatial analysis

Science Topics term usage Tuesday, 2007-07-24