Science Topics term usage 2007-10-30

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.)

64	earthquakes
59	geographic information systems (GIS)
56	volcanoes
55	image analysis
27	ground water
26	acid deposition
23	earth structure
22	earthquake occurrences
22	geochemistry
22	climate change
21	human impacts
20	water supply and demand
19	real-time monitoring and reporting
18	geography
18	long-term ecological monitoring
17	endangered species
17	energy resources
15	precipitation (atmospheric)
15	land use and land cover
14	invasive species
14	animals
14	health and disease
14	streamflow
13	surface water (non-marine)
13	cartography
13	ecosystems
13	tsunamis
12	topography
12	water chemistry
12	global warming
12	sediment transport
12	contamination and pollution
12	magnetic field (earth)
12	water quality
12	geologic structure
11	tectonic processes
11	mining hazards
11	coal resources
11	drainage basins
11	hurricanes

Science Topics term usage Tuesday, 2007-10-30