Science Topics term usage 2008-06-02

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.)

843	earthquakes
383	earthquake occurrences
162	maps and atlases
142	volcanoes
102	real-time monitoring and reporting
87	USGS map servers
73	mineral resources
73	floods
66	surface water (non-marine)
62	droughts
58	energy resources
55	ground water
55	water quality
50	climate change
47	remote sensing
43	contamination and pollution
42	avian influenza
40	invasive species
40	geospatial analysis
29	fires
29	earthquake probabilities
29	environmental health (human)
22	ground-water flow
21	seismology
21	oil resources
18	hazards
17	human impacts
15	cartography
15	river systems
12	acid deposition
11	streamflow
11	rocks and deposits
10	earth structure
10	surface water quality
10	USGS maps on demand
9	USGS Quadrangles
9	geochemistry
9	drainage basins
9	USGS budget
9	aerial photography

Science Topics term usage Monday, 2008-06-02