Science Topics term usage 2011-12-19

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.)

773	earthquakes
299	earthquake occurrences
109	volcanoes
88	maps and atlases
65	mineral resources
59	real-time monitoring and reporting
49	climate change
48	surface water (non-marine)
47	floods
40	geospatial analysis
39	energy resources
36	remote sensing
34	groundwater
31	water quality
30	contamination and pollution
30	droughts
28	map interfaces
23	environmental health (human)
23	seismology
21	geologic maps
18	topographic maps
17	invasive species
16	earthquake probabilities
15	avian influenza
14	microbiology
13	oil resources
12	hydrology
12	acid deposition
11	fires
10	groundwater flow
9	metallic ores
8	geomorphology
8	earth sciences
8	geographic information systems (GIS)
8	earth structure
8	river systems
8	field methods
8	human impacts
8	endangered species
7	precipitation (atmospheric)

Science Topics term usage Monday, 2011-12-19