Science Topics term usage 2007-11-19

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.)

72	earthquakes
70	volcanoes
64	geographic information systems (GIS)
49	volcanic rocks
38	earthquake occurrences
32	rocks and deposits
27	earth structure
27	water quality
23	climate change
23	human impacts
22	animals
21	contamination and pollution
21	health and disease
21	biological and physical processes
21	land use and land cover
20	mineral resources
20	acid deposition
19	earth characteristics
19	real-time monitoring and reporting
18	life sciences
17	engineering sciences
17	water supply and demand
17	tsunamis
16	sediment transport
16	global warming
15	tectonic processes
15	hazards
15	streamflow
14	planetary bodies
14	river systems
14	ocean characteristics
13	geography
12	erosion
12	floods
12	natural resource management
12	hurricanes
12	population and community ecology
12	management methods
12	geologic processes
11	cartography

Science Topics term usage Monday, 2007-11-19