Science Topics term usage 2011-04-06

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.)

1191	earthquakes
377	earthquake occurrences
242	volcanoes
94	maps and atlases
85	real-time monitoring and reporting
68	groundwater
62	surface water (non-marine)
58	climate change
57	floods
56	geospatial analysis
54	earthquake probabilities
52	mineral resources
46	energy resources
41	water quality
32	contamination and pollution
30	remote sensing
29	topographic maps
27	tsunamis
27	map interfaces
27	seismology
22	environmental health (human)
21	tectonic processes
20	droughts
18	avian influenza
17	surface water quality
16	human impacts
16	volcanic activity
16	invasive species
14	geologic maps
14	fires
14	hydrology
13	river systems
13	oil resources
12	streamflow
12	endangered species
11	land use and land cover
10	acid deposition
9	microbiology
9	rocks and deposits
9	earth structure

Science Topics term usage Wednesday, 2011-04-06