Science Topics term usage 2009-10-04

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.)

942	earthquakes
415	earthquake occurrences
390	volcanoes
267	maps and atlases
153	real-time monitoring and reporting
92	map interfaces
91	climate change
90	water quality
86	topographic maps
86	floods
85	mineral resources
84	contamination and pollution
80	energy resources
77	invasive species
72	droughts
71	ground water
67	environmental health (human)
65	remote sensing
61	surface water (non-marine)
56	avian influenza
50	fires
50	geospatial analysis
44	human impacts
39	earthquake probabilities
34	life sciences
31	natural resources
30	oil resources
28	acid deposition
26	earth structure
26	biological and physical processes
23	volcanic activity
23	geologic maps
23	field methods
23	geologic processes
22	geographic information systems (GIS)
22	plants (organisms)
21	water properties
19	land use and land cover
19	tectonic processes
19	seismology

Science Topics term usage Sunday, 2009-10-04