Science Topics term usage 2010-03-20

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.)

1544	earthquakes
562	earthquake occurrences
211	volcanoes
133	real-time monitoring and reporting
113	maps and atlases
99	earthquake probabilities
93	therapeutic methods
85	seismology
73	floods
63	climate change
51	mineral resources
49	ground water
44	remote sensing
44	topographic maps
38	geologic maps
35	surface water (non-marine)
33	invasive species
32	map interfaces
31	energy resources
26	topography
25	water quality
25	droughts
24	geospatial analysis
22	avian influenza
20	contamination and pollution
19	river systems
19	tectonic processes
15	hazards
15	oil resources
14	volcanic activity
14	erosion
13	global change
13	fires
13	human impacts
11	global warming
11	transect sampling
11	acid deposition
11	sediment transport
11	hydrology
11	meteorites

Science Topics term usage Saturday, 2010-03-20