Science Topics term usage 2010-03-25

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.)

2286	earthquakes
886	earthquake occurrences
590	volcanoes
196	maps and atlases
191	real-time monitoring and reporting
148	earthquake probabilities
122	seismology
112	climate change
109	mineral resources
102	floods
83	ground water
82	energy resources
82	surface water (non-marine)
78	remote sensing
75	map interfaces
70	avian influenza
66	volcanic activity
65	droughts
65	topographic maps
63	contamination and pollution
59	geospatial analysis
53	water quality
48	environmental health (human)
47	invasive species
47	human impacts
45	fires
39	hazards
39	tectonic processes
33	acid deposition
32	geologic maps
29	river systems
27	ground-water flow
27	oil resources
25	tsunamis
23	desert ecosystems
23	social sciences
23	earth structure
23	erosion
22	surface water quality
22	volcanic eruption prediction

Science Topics term usage Thursday, 2010-03-25