Science Topics term usage 2009-09-11

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.)

739	earthquakes
379	earthquake occurrences
294	maps and atlases
244	volcanoes
160	real-time monitoring and reporting
110	topographic maps
104	mineral resources
95	remote sensing
95	surface water (non-marine)
92	water quality
91	energy resources
83	floods
82	climate change
77	map interfaces
70	invasive species
67	geospatial analysis
63	ground water
62	geologic maps
59	contamination and pollution
54	aquatic biology
51	fires
50	life sciences
48	droughts
46	oil resources
45	acid deposition
42	biodiversity
40	California
40	avian influenza
38	health and disease
34	aerial photography
32	environmental health (human)
31	earthquake probabilities
28	field methods
26	geographic information systems (GIS)
24	natural resources
24	geologic history
23	biological and physical processes
23	bathymetry measurement
23	geochemistry
22	earth structure

Science Topics term usage Friday, 2009-09-11