Science Topics term usage 2009-05-09

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.)

290	earthquakes
157	earthquake occurrences
101	volcanoes
61	real-time monitoring and reporting
60	maps and atlases
31	climate change
29	floods
28	surface water (non-marine)
27	USGS map servers
26	fires
26	energy resources
24	ground water
23	water quality
22	mineral resources
22	topographic maps
19	contamination and pollution
17	geospatial analysis
15	droughts
15	remote sensing
13	invasive species
13	avian influenza
12	environmental health (human)
11	desert ecosystems
11	earthquake probabilities
11	geologic maps
9	animals
8	acid deposition
7	hazards
6	geologic processes
6	ground-water flow
6	oil resources
6	streamflow
6	river systems
5	tsunamis
4	human impacts
4	seismology
4	ground-water quality
4	marine geophysics
4	stream-gage measurement
4	earth structure

Science Topics term usage Saturday, 2009-05-09