Science Topics term usage 2007-02-05

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.)

115	geographic information systems (GIS)
115	volcanoes
110	mineral resources
101	earthquakes
29	ground water
26	maps and atlases
25	water quality
24	earth structure
23	acid deposition
22	earthquake occurrences
21	tsunamis
21	energy resources
20	cartography
20	streamflow
20	contamination and pollution
19	climate change
17	diatoms
16	oil resources
16	tectonic processes
16	hydrology
15	human impacts
15	precipitation (atmospheric)
14	surface water (non-marine)
14	floods
13	ecosystems
12	water cycle
12	ground-water flow
12	metallic ores
12	water resources
12	hydrogeology
12	outer core (earth)
12	hurricanes
12	water properties
12	earthquake probabilities
11	landslides
11	health and disease
11	water supply and demand
11	freshwater ecosystems
11	endangered species
11	global warming

Science Topics term usage Monday, 2007-02-05