Science Topics term usage 2011-09-29

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.)

796	earthquakes
334	earthquake occurrences
174	volcanoes
85	maps and atlases
60	real-time monitoring and reporting
52	climate change
46	groundwater
45	energy resources
41	mineral resources
40	geospatial analysis
38	surface water (non-marine)
35	floods
30	droughts
30	map interfaces
29	water quality
27	invasive species
23	remote sensing
23	oil resources
22	avian influenza
21	topographic maps
19	earthquake probabilities
19	contamination and pollution
18	fires
18	human impacts
17	environmental health (human)
15	seismology
15	geologic maps
13	microbiology
13	rocks and deposits
13	hydrology
13	endangered species
12	volcanic activity
12	water chemistry
12	natural gas resources
12	sea-floor characteristics
11	acid deposition
11	earth structure
10	life sciences
8	organism growth and development
8	marine biology

Science Topics term usage Thursday, 2011-09-29