Science Topics term usage 2009-05-02

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.)

1633	earthquakes
977	earthquake occurrences
108	volcanoes
103	real-time monitoring and reporting
78	maps and atlases
42	USGS map servers
33	floods
33	ground water
29	seismology
28	mineral resources
28	California
27	energy resources
27	climate change
25	avian influenza
23	topographic maps
22	contamination and pollution
20	surface water (non-marine)
18	invasive species
18	geospatial analysis
16	water quality
16	river systems
14	earthquake probabilities
13	droughts
13	remote sensing
12	environmental health (human)
10	stream-gage measurement
9	hydrology
8	global warming
7	fires
6	geochemistry
6	Los Angeles
6	desert ecosystems
5	streamflow
5	drainage basins
5	ground-water flow
5	endangered species
5	water chemistry
5	metallic ores
5	surface-water level
5	stream discharge

Science Topics term usage Saturday, 2009-05-02