Science Topics term usage 2007-01-08

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.)

95	earthquakes
93	volcanoes
92	geographic information systems (GIS)
42	marine water quality
24	energy resources
21	earthquake occurrences
20	real-time monitoring and reporting
18	contamination and pollution
18	earth structure
16	climate change
16	stream-gage measurement
14	acid deposition
14	human impacts
13	endangered species
12	tectonic processes
12	landslides
12	tsunamis
12	streamflow
11	rocks and deposits
11	floods
11	geologic structure
11	map coordinate systems
11	geologic history
11	geospatial datasets
10	global warming
10	oil resources
10	mineral resources
10	sea-floor characteristics
10	ground water
10	hurricanes
10	hydrology
9	outer core (earth)
9	aerial photography
9	geochemistry
9	drainage basins
9	desert ecosystems
9	maps and atlases
8	land use change
8	erosion
8	coastal zones

Science Topics term usage Monday, 2007-01-08