Science Topics term usage 2010-12-15

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.)

955	earthquakes
238	earthquake occurrences
162	volcanoes
91	maps and atlases
68	real-time monitoring and reporting
54	climate change
49	mineral resources
47	energy resources
45	groundwater
44	map interfaces
36	surface water (non-marine)
36	geospatial analysis
35	floods
34	water quality
32	remote sensing
31	topographic maps
25	contamination and pollution
23	earthquake probabilities
21	droughts
21	seismology
20	avian influenza
17	invasive species
16	oil resources
16	environmental health (human)
15	geologic maps
14	fires
12	human impacts
12	land use and land cover
11	tectonic processes
11	volcanic activity
10	river systems
9	streamflow
8	water chemistry
8	acid deposition
8	hydrologic processes
8	life sciences
8	stream discharge
7	geology
7	geochemistry
7	earth structure

Science Topics term usage Wednesday, 2010-12-15