Science Topics term usage 2010-05-17

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.)

1341	earthquakes
468	earthquake occurrences
419	volcanoes
145	real-time monitoring and reporting
144	maps and atlases
106	ground water
87	energy resources
87	climate change
74	mineral resources
74	floods
67	map interfaces
66	surface water (non-marine)
64	seismology
59	earthquake probabilities
57	topographic maps
55	geospatial analysis
49	invasive species
47	remote sensing
45	contamination and pollution
42	droughts
36	avian influenza
32	tectonic processes
29	oil resources
28	water quality
28	human impacts
26	volcanic activity
25	acid deposition
24	environmental health (human)
22	earth structure
19	global warming
18	health and disease
18	streamflow
17	soil resources
16	stream-gage measurement
16	stream discharge
16	ground-water flow
16	California
16	aerial photography
16	geologic maps
15	animals

Science Topics term usage Monday, 2010-05-17