Science Topics term usage 2012-02-23

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.)

655	earthquakes
218	earthquake occurrences
183	volcanoes
123	avian influenza
76	maps and atlases
57	real-time monitoring and reporting
51	energy resources
49	climate change
48	groundwater
44	remote sensing
39	mineral resources
37	floods
36	geospatial analysis
35	surface water (non-marine)
32	map interfaces
32	droughts
30	oil resources
27	water quality
23	contamination and pollution
20	topographic maps
20	invasive species
19	field sampling
19	earthquake probabilities
15	volcanic activity
15	geologic maps
14	environmental health (human)
12	tsunamis
12	fires
11	endangered species
10	earth sciences
9	acid deposition
9	microbiology
8	land use and land cover
8	natural resources
8	geologic processes
8	tectonic processes
8	libraries and archives
7	erosion
7	metallic ores
6	hazards

Science Topics term usage Thursday, 2012-02-23