Science Topics term usage 2007-07-05

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.)

87	geographic information systems (GIS)
45	earthquakes
38	volcanoes
34	fire control
27	animals
25	ground-water level
24	topography
19	streamflow
16	energy resources
16	stream-gage measurement
15	earth structure
14	water quality
13	aquatic ecosystems
13	river systems
11	hydrology
11	climate change
11	birds
10	earthquake occurrences
10	water resources
10	biodiversity
10	endangered species
9	oil resources
9	contamination and pollution
9	earthquake probabilities
9	hurricanes
9	desert ecosystems
9	tectonic processes
9	biogeography
8	precipitation (atmospheric)
8	acid deposition
8	surface water (non-marine)
8	ecosystems
8	Nevada
8	maps and atlases
8	real-time monitoring and reporting
8	ground-water quality
8	geography
8	landslides
7	floods
7	human impacts

Science Topics term usage Thursday, 2007-07-05