Science Topics term usage 2007-10-24

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.)

91	earthquakes
74	geographic information systems (GIS)
47	volcanoes
36	earthquake occurrences
29	earth structure
28	parks
27	acid deposition
26	human impacts
23	fires
22	energy resources
21	endangered species
20	climate change
20	erosion
19	ground water
19	animals
18	health and disease
18	rocks and deposits
18	tectonic processes
17	mineral resources
17	land use and land cover
15	contamination and pollution
15	real-time monitoring and reporting
15	social sciences
15	coastal zones
14	global warming
14	droughts
14	floods
14	ground-water flow
13	tsunamis
13	invasive species
13	sediment transport
13	water quality
13	desert ecosystems
12	mycology
12	river systems
11	freshwater ecosystems
11	geologic structure
10	igneous rocks
10	ocean characteristics
10	global change

Science Topics term usage Wednesday, 2007-10-24