Science Topics term usage 2010-03-28

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.)

1589	earthquakes
599	earthquake occurrences
354	volcanoes
147	real-time monitoring and reporting
126	maps and atlases
99	seismology
91	earthquake probabilities
86	climate change
74	energy resources
69	geospatial analysis
68	floods
65	ground water
64	map interfaces
62	mineral resources
61	remote sensing
60	droughts
55	water quality
53	surface water (non-marine)
49	invasive species
45	topographic maps
39	nutrient content (water)
38	avian influenza
36	contamination and pollution
36	volcanic activity
33	tectonic processes
25	environmental health (human)
22	fires
19	oil resources
19	geologic maps
18	hazards
17	erosion
15	aquatic ecosystems
15	transect sampling
15	human impacts
14	land use and land cover
14	geochemistry
13	global warming
13	precipitation (atmospheric)
13	deforestation
13	geologic processes

Science Topics term usage Sunday, 2010-03-28