Science Topics term usage 2009-06-03

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.)

548	earthquakes
251	earthquake occurrences
130	volcanoes
96	maps and atlases
78	real-time monitoring and reporting
45	USGS map servers
44	energy resources
44	topographic maps
41	mineral resources
36	water quality
33	floods
32	climate change
30	surface water (non-marine)
27	contamination and pollution
26	geospatial analysis
23	ground water
22	remote sensing
22	avian influenza
21	droughts
20	earthquake probabilities
18	invasive species
17	animals
16	seismology
15	environmental health (human)
14	human impacts
13	fires
12	geologic maps
12	oil resources
11	health and disease
11	acid deposition
11	natural gas resources
10	surface water quality
10	ground-water flow
9	desert ecosystems
9	natural resource management
9	sediment transport
8	streamflow
7	drainage basins
7	bathymetry
6	earth structure

Science Topics term usage Wednesday, 2009-06-03