Science Topics term usage 2009-07-19

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.)

294	earthquakes
118	earthquake occurrences
95	volcanoes
80	maps and atlases
40	real-time monitoring and reporting
29	topographic maps
29	climate change
29	droughts
29	remote sensing
29	mineral resources
27	floods
23	water quality
22	map interfaces
22	ground water
21	energy resources
21	contamination and pollution
20	invasive species
20	earthquake probabilities
20	geospatial analysis
19	surface water (non-marine)
16	avian influenza
15	environmental health (human)
14	fires
14	geologic maps
9	seismology
7	volcanic activity
7	aerial photography
7	river systems
7	human impacts
7	oil resources
6	hydrology
6	tectonic processes
6	geologic processes
5	surface water quality
5	plants (organisms)
5	topics
5	landslides
5	freshwater ecosystems
5	life sciences
4	geologic history

Science Topics term usage Sunday, 2009-07-19