Science Topics term usage 2009-10-02

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.)

1535	earthquakes
754	earthquake occurrences
411	volcanoes
292	maps and atlases
187	real-time monitoring and reporting
110	climate change
105	mineral resources
94	contamination and pollution
94	topographic maps
91	floods
81	energy resources
80	water quality
78	map interfaces
77	earthquake probabilities
73	ground water
66	invasive species
65	avian influenza
64	surface water (non-marine)
58	geologic maps
56	geospatial analysis
56	remote sensing
50	environmental health (human)
49	droughts
48	population and community ecology
45	seismology
40	tectonic processes
37	fires
32	surface water quality
32	earth structure
31	California
30	tsunamis
30	aerial photography
26	topics
24	volcanic activity
24	geologic history
23	ground-water quality
23	health and disease
21	desert ecosystems
20	gold ores
19	crust (earth)

Science Topics term usage Friday, 2009-10-02