Science Topics term usage 2006-07-06

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.)

97	geographic information systems (GIS)
71	earthquakes
68	volcanoes
46	climate change
45	insects
37	streamflow
19	animals
16	geologic structure
16	invasive species
16	ground-water flow
15	map coordinate systems
14	stream-gage measurement
14	water quality
14	floods
14	earthquake occurrences
12	tectonic processes
12	ground water
11	energy resources
11	global warming
11	surface water (non-marine)
10	storms
10	hurricanes
10	earth structure
9	geologic history
9	maps and atlases
9	contamination and pollution
9	endangered species
9	acid deposition
8	volcanic activity
8	erosion
8	cartography
8	ocean characteristics
8	grain-size analysis
7	natural resource extraction
7	geography
7	tsunamis
7	water chemistry
7	river systems
7	magnetic field (earth)
7	landslides

Science Topics term usage Thursday, 2006-07-06