Science Topics term usage 2008-02-12

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.)

128	river systems
115	earthquakes
65	geographic information systems (GIS)
64	earthquake occurrences
47	volcanoes
37	real-time monitoring and reporting
30	climate change
23	acid deposition
23	tectonic processes
22	contamination and pollution
22	mineral resources
21	earth structure
19	geologic history
18	erosion
18	desert ecosystems
18	geologic structure
17	water quality
17	floods
15	biological population management
15	streamflow
15	animals
15	plants (organisms)
15	global change
15	surface water (non-marine)
14	droughts
14	oil resources
14	tsunamis
14	global warming
13	fires
12	land use and land cover
12	human impacts
12	precipitation (atmospheric)
12	health and disease
12	endangered species
12	hydrology
12	water resources
11	water supply and demand
11	ground water
11	energy resources
11	coastal zones

Science Topics term usage Tuesday, 2008-02-12