Science Topics term usage 2011-08-15

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.)

419	earthquakes
141	volcanoes
120	earthquake occurrences
94	maps and atlases
59	real-time monitoring and reporting
39	mineral resources
39	surface water (non-marine)
39	groundwater
36	floods
35	climate change
31	map interfaces
23	topographic maps
22	geospatial analysis
21	invasive species
21	energy resources
20	droughts
19	remote sensing
16	geologic maps
15	earthquake probabilities
15	water quality
15	avian influenza
14	animals
11	fires
11	contamination and pollution
11	oil resources
9	seismology
9	acid deposition
8	volcanic activity
8	environmental health (human)
7	geographic information systems (GIS)
7	river systems
7	streamflow
6	sea-floor characteristics
6	wildlife
6	groundwater quality
6	human impacts
6	endangered species
5	hydrology
5	geologic structure
5	natural resource management

Science Topics term usage Monday, 2011-08-15