Science Topics term usage 2009-01-10

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.)

1110	earthquakes
481	earthquake occurrences
190	volcanoes
87	maps and atlases
68	real-time monitoring and reporting
40	floods
38	USGS map servers
36	mineral resources
32	energy resources
31	topographic maps
31	droughts
31	climate change
30	avian influenza
30	earthquake probabilities
29	water quality
27	seismology
24	remote sensing
23	ground water
22	geospatial analysis
20	invasive species
19	surface water (non-marine)
18	geologic maps
18	contamination and pollution
15	fires
14	environmental health (human)
13	volcanic activity
13	desert ecosystems
10	rocks and deposits
8	vertebrate zoology
8	snow and ice cover
8	California
7	water resources
7	animals
6	endangered species
6	geothermal resources
6	USGS maps on demand
6	global change
6	erosion
5	acid deposition
5	human impacts

Science Topics term usage Saturday, 2009-01-10