Science Topics term usage 2007-06-07

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.)

84	geographic information systems (GIS)
56	earthquakes
35	aerial photography
31	volcanoes
26	maps and atlases
22	agriculture
18	earthquake occurrences
14	streamflow
14	natural resources
13	acid deposition
13	rocks and deposits
12	life sciences
12	earth structure
11	animals
11	mineral resources
11	surface water (non-marine)
11	geologic history
11	landslides
11	water quality
11	stream-gage measurement
10	sediment transport
10	energy resources
10	human impacts
10	land use and land cover
10	map coordinate systems
9	geospatial datasets
9	contamination and pollution
9	coal resources
9	drainage basins
9	real-time monitoring and reporting
8	tsunamis
8	floods
8	tectonic processes
8	precipitation (atmospheric)
8	ground water
8	climate change
8	water chemistry
8	cartography
7	topography
7	droughts

Science Topics term usage Thursday, 2007-06-07