Science Topics term usage 2007-05-30

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.)

88	geographic information systems (GIS)
65	earthquakes
43	volcanoes
21	earthquake occurrences
21	pathology
19	tectonic processes
19	climate change
18	acid deposition
17	earth structure
17	endangered species
17	sediment transport
16	energy resources
16	topography
15	aquatic ecosystems
15	contamination and pollution
14	streamflow
14	landslides
14	aerial photography
14	oil resources
13	coastal zones
13	mineral resources
12	impact cratering
12	animals
12	floods
11	land use and land cover
11	global change
11	hurricanes
11	ground water
11	ocean characteristics
11	tsunamis
10	precipitation (atmospheric)
10	ocean temperature
10	global warming
10	erosion
10	water quality
10	ground-water flow
9	ecosystems
9	real-time monitoring and reporting
9	estuarine ecosystems
9	volcanic activity

Science Topics term usage Wednesday, 2007-05-30