Science Topics term usage 2011-04-19

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.)

1569	earthquakes
544	earthquake occurrences
217	volcanoes
123	maps and atlases
106	real-time monitoring and reporting
77	groundwater
73	floods
63	climate change
62	surface water (non-marine)
59	energy resources
56	earthquake probabilities
52	mineral resources
48	map interfaces
47	water quality
46	geospatial analysis
45	remote sensing
41	invasive species
36	avian influenza
32	fires
30	topographic maps
27	contamination and pollution
27	droughts
23	tsunamis
21	environmental health (human)
20	human impacts
18	seismology
16	microbiology
15	volcanic activity
13	land use and land cover
13	oil resources
12	surface water quality
12	tectonic processes
12	geologic maps
12	river systems
11	acid deposition
10	life sciences
10	groundwater flow
10	erosion
10	hydrogeology
9	natural resource management

Science Topics term usage Tuesday, 2011-04-19