Science Topics term usage 2006-06-27

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.)

106	earthquakes
65	volcanoes
53	geographic information systems (GIS)
33	streamflow
29	real-time monitoring and reporting
27	ground-water flow
25	floods
25	energy resources
24	surface water (non-marine)
24	earthquake occurrences
22	aerial photography
22	oil resources
21	ground water
20	tectonic processes
19	stream-gage measurement
18	earth structure
17	rocks and deposits
17	mineral resources
16	contamination and pollution
14	climate change
14	river systems
13	hydrology
13	maps and atlases
12	water properties
12	land surface characteristics
11	water resources
11	waste treatment and disposal
10	fish
10	rivers
10	volcanic activity
9	precipitation (atmospheric)
9	water quality
9	topography
9	economic geology
9	geochemistry
9	streams
8	natural resource extraction
8	water supply and demand
8	biodiversity
8	storms

Science Topics term usage Tuesday, 2006-06-27