Science Topics term usage 2010-06-08

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.)

1142	earthquakes
447	earthquake occurrences
319	volcanoes
137	maps and atlases
102	real-time monitoring and reporting
88	ground water
86	energy resources
75	mineral resources
75	map interfaces
56	climate change
55	surface water (non-marine)
53	floods
47	topographic maps
45	geospatial analysis
44	earthquake probabilities
40	seismology
40	oil resources
38	geologic maps
35	fires
34	remote sensing
33	river systems
32	avian influenza
32	contamination and pollution
30	water quality
27	ground-water flow
27	invasive species
24	human impacts
23	environmental health (human)
23	droughts
20	erosion
20	land use and land cover
20	field methods
16	social sciences
15	magnetic field (earth)
15	tectonic processes
14	aquatic ecosystems
14	hydrogeology
13	transect sampling
12	earth structure
12	sea-floor characteristics

Science Topics term usage Tuesday, 2010-06-08