Science Topics term usage 2007-09-12

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.)

195	earthquakes
115	geographic information systems (GIS)
99	earthquake occurrences
70	agricultural water use
67	volcanoes
56	real-time monitoring and reporting
49	tsunamis
42	streamflow
35	earth structure
32	acid deposition
28	hurricanes
25	tectonic processes
21	climate change
21	mineral resources
21	animals
19	geologic history
18	ground-water flow
17	floods
16	life sciences
15	ground water
15	precipitation (atmospheric)
14	global warming
14	geologic structure
14	rocks and deposits
13	health and disease
13	energy resources
13	sediment transport
13	endangered species
13	water quality
12	maps and atlases
12	human impacts
11	oil resources
11	land use and land cover
11	erosion
11	population and community ecology
11	isotopic analysis
11	topics
11	earthquake probabilities
10	birds
10	surface water quality

Science Topics term usage Wednesday, 2007-09-12