Science Topics term usage 2009-12-02

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.)

1283	earthquakes
470	earthquake occurrences
389	volcanoes
253	maps and atlases
173	energy resources
156	climate change
135	real-time monitoring and reporting
100	map interfaces
96	topographic maps
92	mineral resources
89	water quality
73	floods
69	field methods
68	ground water
66	remote sensing
63	seismology
60	geospatial analysis
52	invasive species
50	earthquake probabilities
49	geologic maps
49	surface water (non-marine)
46	contamination and pollution
46	oil resources
46	fires
43	droughts
42	human impacts
40	acid deposition
39	tectonic processes
38	ground-water quality
34	surface water quality
33	streamflow
32	life sciences
32	volcanic activity
31	plants (organisms)
30	biogeography
29	California
28	land use and land cover
27	global warming
27	marine water quality
26	drainage basins

Science Topics term usage Wednesday, 2009-12-02