Science Topics term usage 2007-09-20

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.)

121	earthquakes
117	mathematical modeling
98	geographic information systems (GIS)
84	volcanoes
45	animals
34	tectonic processes
32	hurricanes
32	earthquake occurrences
27	acid deposition
26	earth structure
25	tsunamis
23	endangered species
23	contamination and pollution
22	geophysics
22	climate change
22	human impacts
21	mathematical simulation
18	river systems
18	streamflow
18	health and disease
18	volcanic activity
17	real-time monitoring and reporting
16	desert ecosystems
15	sediment transport
15	floods
14	life sciences
14	energy resources
14	water quality
13	global change
13	vertebrates
12	geologic structure
12	fires
12	droughts
12	sedimentation
11	erosion
11	topics
11	stream-gage measurement
11	landslides
11	rocks and deposits
11	ocean characteristics

Science Topics term usage Thursday, 2007-09-20