Science Topics term usage 2009-01-28

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.)

772	earthquakes
331	volcanoes
277	earthquake occurrences
151	maps and atlases
66	real-time monitoring and reporting
61	climate change
60	USGS map servers
60	energy resources
54	water quality
53	topographic maps
48	remote sensing
48	ground water
47	earthquake probabilities
42	mineral resources
41	field methods
39	floods
36	contamination and pollution
35	geospatial analysis
34	surface water (non-marine)
34	droughts
33	invasive species
32	geologic maps
32	avian influenza
23	health and disease
23	environmental health (human)
19	earth structure
18	animals
18	ground-water quality
15	global warming
15	fires
15	oil resources
15	acid deposition
14	water chemistry
14	global change
14	endangered species
13	volcanic features
13	water properties
12	life sciences
11	seismology
11	tectonic processes

Science Topics term usage Wednesday, 2009-01-28