Science Topics term usage 2009-04-07

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.)

2052	earthquakes
1014	earthquake occurrences
429	volcanoes
242	real-time monitoring and reporting
217	maps and atlases
135	water quality
118	ground water
111	floods
105	surface water (non-marine)
97	USGS map servers
88	contamination and pollution
86	energy resources
82	climate change
81	mineral resources
81	seismology
76	remote sensing
65	hydrology
62	earthquake probabilities
55	human impacts
53	geospatial analysis
53	animals
53	geologic processes
52	natural resource management
52	water resources
52	invasive species
52	natural resources
51	geologic maps
51	field methods
51	life sciences
51	streamflow
50	hazards
50	ecosystems
49	topographic maps
48	biological and physical processes
48	droughts
47	organism groupings (non-taxonomic)
46	aquatic ecosystems
46	volcanic activity
46	vertebrates
46	hydrologic processes

Science Topics term usage Tuesday, 2009-04-07