Science Topics term usage 2009-04-26

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.)

420	earthquakes
182	earthquake occurrences
125	volcanoes
77	maps and atlases
65	real-time monitoring and reporting
39	avian influenza
36	mineral resources
35	climate change
31	floods
30	topographic maps
27	energy resources
26	USGS map servers
21	environmental health (human)
21	contamination and pollution
20	mountains
19	remote sensing
19	water quality
18	droughts
16	surface water (non-marine)
15	geospatial analysis
14	geologic maps
13	invasive species
13	earthquake probabilities
13	ground water
12	fires
11	oil resources
10	tectonic processes
9	human impacts
8	acid deposition
7	streamflow
7	hazards
7	Alaska
7	vertebrate zoology
7	ground-water quality
7	landslides
6	global warming
6	earth structure
6	seismology
6	health and disease
6	surface water quality

Science Topics term usage Sunday, 2009-04-26