Science Topics term usage 2007-01-12

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.)

113	geographic information systems (GIS)
108	earthquakes
85	volcanoes
44	land use change
41	earthquake occurrences
35	land surface characteristics
21	tectonic processes
20	floods
19	ground water
19	health and disease
18	water supply and demand
17	acid deposition
17	climate change
16	oil resources
16	contamination and pollution
14	earth structure
14	landslides
12	streamflow
11	geologic structure
11	human impacts
11	map coordinate systems
11	energy resources
11	sediment transport
11	maps and atlases
10	geologic history
10	hydrology
10	mineral resources
10	ocean characteristics
10	geography
10	tsunamis
9	rocks and deposits
9	real-time monitoring and reporting
9	land use and land cover
9	marine geology
9	geochemistry
9	topography
9	global warming
9	water quality
9	animals
9	wildlife biology

Science Topics term usage Friday, 2007-01-12