Science Topics term usage 2011-04-12

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.)

1727	earthquakes
557	earthquake occurrences
276	volcanoes
116	maps and atlases
104	real-time monitoring and reporting
87	groundwater
71	earthquake probabilities
66	mineral resources
58	surface water (non-marine)
57	climate change
56	floods
51	map interfaces
50	seismology
46	energy resources
43	water quality
36	geospatial analysis
34	contamination and pollution
29	tsunamis
29	invasive species
27	topographic maps
26	droughts
26	environmental health (human)
24	human impacts
23	avian influenza
22	remote sensing
20	geologic maps
18	fires
18	oil resources
17	volcanic activity
16	health and disease
16	land use and land cover
15	river systems
15	microbiology
13	stream discharge
12	topics
11	groundwater quality
10	natural gas resources
10	erosion
10	tectonic processes
10	endangered species

Science Topics term usage Tuesday, 2011-04-12