Science Topics term usage 2010-12-19

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.)

1562	earthquakes
607	earthquake occurrences
70	volcanoes
62	maps and atlases
43	mineral resources
40	real-time monitoring and reporting
25	climate change
22	floods
20	avian influenza
20	energy resources
18	map interfaces
18	seismology
16	geologic maps
16	geospatial analysis
15	groundwater
15	remote sensing
14	water quality
14	surface water (non-marine)
13	topographic maps
13	droughts
11	contamination and pollution
11	earthquake probabilities
11	environmental health (human)
9	fires
9	invasive species
6	California
6	acid deposition
5	oil resources
5	earth structure
5	health and disease
4	geologic structure
4	glaciation
4	groundwater level
4	coal resources
4	river systems
4	stream discharge
4	snow and ice cover
3	volcanic activity
3	geochemical processes
3	drainage basins

Science Topics term usage Sunday, 2010-12-19