Science Topics term usage 2008-07-19

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.)

390	earthquakes
196	earthquake occurrences
91	maps and atlases
76	volcanoes
69	real-time monitoring and reporting
48	energy resources
44	mineral resources
42	floods
41	USGS map servers
40	ground water
40	surface water (non-marine)
35	climate change
35	water quality
34	remote sensing
32	geospatial analysis
31	avian influenza
30	droughts
30	contamination and pollution
26	fires
24	invasive species
19	environmental health (human)
13	USGS budget
10	earthquake probabilities
10	seismology
9	river systems
9	ground-water flow
8	rocks and deposits
8	oil resources
7	land use and land cover
7	volcanic activity
6	stream discharge
6	water resources
5	endangered species
5	geochemistry
5	acid deposition
5	geographic information systems (GIS)
5	metallic ores
4	free-air anomaly
4	field methods
4	cartography

Science Topics term usage Saturday, 2008-07-19