Science Topics term usage 2011-09-27

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.)

1078	earthquakes
377	earthquake occurrences
166	volcanoes
96	maps and atlases
84	real-time monitoring and reporting
60	surface water (non-marine)
55	groundwater
54	energy resources
51	climate change
48	floods
44	mineral resources
36	geospatial analysis
36	water quality
36	seismology
35	map interfaces
33	avian influenza
32	earthquake probabilities
28	contamination and pollution
28	topographic maps
28	remote sensing
28	invasive species
26	droughts
23	environmental health (human)
19	microbiology
19	fires
16	tectonic processes
15	geologic maps
14	geographic information systems (GIS)
13	hydrology
13	human impacts
12	wildlife
12	endangered species
12	oil resources
11	life sciences
11	streamflow
11	aquatic biology
10	river systems
10	metallic ores
10	erosion
10	groundwater flow

Science Topics term usage Tuesday, 2011-09-27