Science Topics term usage 2008-12-16

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.)

992	earthquakes
480	earthquake occurrences
130	volcanoes
94	maps and atlases
63	real-time monitoring and reporting
49	USGS map servers
49	mineral resources
43	energy resources
43	climate change
41	floods
41	ground water
35	topographic maps
35	contamination and pollution
34	surface water (non-marine)
32	geospatial analysis
32	water quality
30	remote sensing
29	avian influenza
28	earthquake probabilities
28	invasive species
25	droughts
23	seismology
21	geologic maps
16	stream discharge
16	stream-gage measurement
16	acid deposition
15	volcanic activity
15	fires
14	environmental health (human)
14	streamflow
13	global warming
12	river systems
11	ground-water flow
11	earth structure
11	coal resources
10	endangered species
10	hazards
9	hydrology
9	tsunamis
9	tectonic processes

Science Topics term usage Tuesday, 2008-12-16