Science Topics term usage 2007-05-24

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.)

115	geographic information systems (GIS)
95	earthquakes
75	volcanoes
39	earthquake occurrences
34	water pH
28	acid deposition
27	water quality
25	real-time monitoring and reporting
24	earth structure
21	human impacts
21	tsunamis
17	ground water
16	geospatial datasets
16	energy resources
16	animals
15	landslides
13	tectonic processes
13	sediment transport
13	climate change
13	air temperature
13	mineral resources
12	streamflow
12	contamination and pollution
12	global warming
11	earthquake probabilities
11	rocks and deposits
11	maps and atlases
11	cartography
11	aerial photography
11	erosion
11	water supply and demand
10	coastal zones
10	floods
10	river systems
10	oil resources
10	map coordinate systems
10	earth characteristics
9	water chemistry
9	ocean temperature
9	ocean characteristics

Science Topics term usage Thursday, 2007-05-24