Science Topics term usage 2007-06-06

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.)

167	aerial photography
96	geographic information systems (GIS)
38	earthquakes
36	volcanoes
24	floods
21	earth structure
20	earthquake occurrences
18	well drilling
17	tectonic processes
17	contamination and pollution
16	hurricanes
15	climate change
15	mineral resources
15	rocks and deposits
14	streamflow
14	ground water
14	life sciences
13	map coordinate systems
13	ocean characteristics
13	geospatial datasets
13	global warming
12	animals
12	invertebrates
12	tsunamis
11	geologic history
11	real-time monitoring and reporting
11	invasive species
11	marine ecosystems
11	topography
11	remote sensing
11	maps and atlases
11	water chemistry
11	acid deposition
11	ocean temperature
10	ground-water flow
10	stream-gage measurement
10	freshwater ecosystems
10	sediment transport
10	wildlife
10	land use and land cover

Science Topics term usage Wednesday, 2007-06-06