Science Topics term usage 2007-05-23

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
77	geographic information systems (GIS)
74	volcanoes
27	earthquake occurrences
26	air temperature
20	earth structure
20	stream-gage measurement
18	acid deposition
17	climate change
17	real-time monitoring and reporting
15	tsunamis
14	human impacts
13	rocks and deposits
13	tectonic processes
13	ground-water flow
13	streamflow
13	animals
13	floods
13	ecosystem monitoring
13	coastal zones
13	aerial photography
12	map coordinate systems
12	endangered species
12	topography
11	hurricanes
11	contamination and pollution
11	surface water (non-marine)
10	surface water quality
10	aquatic ecosystems
10	hydrology
10	geologic history
10	geospatial datasets
10	mineral resources
10	energy resources
10	maps and atlases
10	water quality
9	snow and ice cover
9	pesticide and herbicide contamination
9	cartography
8	landslides

Science Topics term usage Wednesday, 2007-05-23