Science Topics term usage 2009-11-21

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.)

647	earthquakes
274	earthquake occurrences
164	volcanoes
146	maps and atlases
138	real-time monitoring and reporting
100	mineral resources
99	ground water
93	floods
88	energy resources
84	surface water (non-marine)
81	water quality
75	climate change
74	contamination and pollution
73	remote sensing
62	map interfaces
57	topographic maps
57	invasive species
57	geospatial analysis
43	droughts
42	environmental health (human)
39	fires
38	avian influenza
35	land use and land cover
31	geologic maps
29	human impacts
27	seismology
27	earthquake probabilities
25	oil resources
21	hydrology
19	volcanic activity
19	global warming
17	natural gas resources
16	marine geology
16	acid deposition
16	aerial photography
15	river systems
15	streamflow
15	water properties
15	ecosystems
15	tectonic processes

Science Topics term usage Saturday, 2009-11-21