Science Topics term usage 2013-04

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.)

705	earthquakes
207	earthquake occurrences
186	volcanoes
98	maps and atlases
68	real-time monitoring and reporting
60	mineral resources
58	remote sensing
57	climate change
45	groundwater
45	energy resources
44	surface water (non-marine)
43	aerial photography
42	floods
40	geospatial analysis
39	map interfaces
36	invasive species
35	contamination and pollution
31	topographic maps
30	droughts
29	water quality
28	oil resources
28	avian influenza
26	microbiology
26	tectonic processes
25	life sciences
24	earth sciences
24	geochemistry
24	environmental health (human)
23	geologic maps
22	earthquake probabilities
22	geomorphology
20	fires
20	natural gas resources
19	mass wasting
19	geographic information systems (GIS)
18	groundwater quality
17	geology
16	seismology
16	employment and volunteer opportunities
15	tsunamis

Scripts used