Science Topics term usage 2011-05-21

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.)

4021	earthquakes
1753	earthquake occurrences
575	volcanoes
143	real-time monitoring and reporting
98	earthquake probabilities
77	maps and atlases
55	seismology
53	floods
50	mineral resources
39	surface water (non-marine)
38	volcanic activity
35	climate change
31	droughts
31	avian influenza
30	groundwater
28	remote sensing
27	energy resources
23	geospatial analysis
22	map interfaces
19	environmental health (human)
18	contamination and pollution
17	invasive species
17	topographic maps
15	water quality
12	tsunamis
12	streamflow
11	topics
11	fires
9	microbiology
8	tectonic processes
8	river systems
8	geologic maps
7	oil resources
7	hazards
6	economic geology
6	acid deposition
6	geologic processes
6	stream discharge
5	hydrology
5	natural resources

Science Topics term usage Saturday, 2011-05-21