Science Topics term usage 2006-03-08

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.)

210	earthquakes
179	volcanoes
78	geographic information systems (GIS)
51	earthquake occurrences
39	earth structure
39	energy resources
37	tectonic processes
32	animals
31	surface water (non-marine)
28	earthquake probabilities
28	mineral resources
26	rocks and deposits
25	geologic history
25	human impacts
24	ground-water flow
24	remote sensing
22	tsunamis
22	water quality
21	maps and atlases
21	ecosystems
21	contamination and pollution
20	water properties
20	climate change
20	floods
19	streamflow
18	real-time monitoring and reporting
18	storms
18	endangered species
18	field inventory and monitoring
18	planetary bodies
18	water chemistry
17	oil resources
17	population and community ecology
16	volcanic activity
15	topography
15	cartography
15	lakes
15	magnetic field (earth)
15	sedimentation
15	biodiversity

Science Topics term usage Wednesday, 2006-03-08