Science Topics term usage 2009-05-10

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.)

291	earthquakes
128	volcanoes
108	earthquake occurrences
70	maps and atlases
62	real-time monitoring and reporting
37	USGS map servers
35	surface water (non-marine)
34	climate change
33	mineral resources
32	ground water
29	energy resources
29	remote sensing
29	water quality
28	contamination and pollution
27	floods
21	avian influenza
19	geospatial analysis
16	droughts
15	fires
15	topographic maps
15	environmental health (human)
13	river systems
11	invasive species
9	earthquake probabilities
9	tsunamis
8	acid deposition
7	seismology
7	erosion
7	rocks and deposits
6	endangered species
6	geologic maps
6	hydrogeology
6	USGS budget
6	human impacts
6	streamflow
6	metallic ores
5	global warming
5	desertification
5	hydrology
5	plants (organisms)

Science Topics term usage Sunday, 2009-05-10