Science Topics term usage 2007-10-03

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.)

116	climate change
101	earthquakes
89	volcanoes
80	geographic information systems (GIS)
34	earth structure
28	earthquake occurrences
25	ground water
24	rocks and deposits
23	mineral resources
23	tectonic processes
21	contamination and pollution
21	tsunamis
20	acid deposition
19	land use and land cover
16	water supply and demand
15	global warming
14	human impacts
14	precipitation (atmospheric)
14	plants (organisms)
14	landslides
14	hurricanes
13	real-time monitoring and reporting
13	erosion
13	water resources
12	planetary bodies
12	floods
12	ground-water flow
12	water quality
11	global change
11	animals
11	aerial photography
11	ocean characteristics
11	droughts
11	wetland ecosystems
10	biodiversity
10	igneous rocks
10	producers (organisms)
10	streamflow
10	maps and atlases
10	water properties

Science Topics term usage Wednesday, 2007-10-03