Science Topics term usage 2006-06-28

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.)

94	earthquakes
60	volcanoes
49	geographic information systems (GIS)
44	surface water (non-marine)
39	streamflow
28	earthquake occurrences
24	ground water
24	floods
20	real-time monitoring and reporting
19	volcanic activity
19	water supply and demand
19	water resources
18	water quality
17	stream-gage measurement
17	maps and atlases
16	aerial photography
15	tectonic processes
15	mineral resources
14	climate change
14	energy resources
14	animals
14	ground-water flow
14	stream discharge
13	river systems
13	earth structure
13	contamination and pollution
12	droughts
12	geologic history
11	hazards
10	precipitation (atmospheric)
10	rocks and deposits
10	magnetic field (earth)
10	water use
9	human impacts
9	remote sensing
9	land use and land cover
8	natural resource extraction
8	hydrology
8	economic geology
7	sediment transport

Science Topics term usage Wednesday, 2006-06-28