Science Topics term usage 2011-04-16

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.)

1067	earthquakes
366	earthquake occurrences
185	volcanoes
78	real-time monitoring and reporting
62	maps and atlases
56	surface water (non-marine)
51	floods
44	groundwater
35	earthquake probabilities
32	geospatial analysis
31	climate change
30	remote sensing
29	map interfaces
27	mineral resources
20	tsunamis
20	energy resources
20	water quality
19	avian influenza
18	invasive species
18	droughts
18	seismology
17	environmental health (human)
16	streamflow
16	volcanic activity
16	topographic maps
15	contamination and pollution
15	river systems
12	fires
10	geologic maps
10	acid deposition
9	stream-gage measurement
9	stream discharge
8	tectonic processes
7	pesticide and herbicide contamination
6	microbiology
6	hydrology
6	surface-water level
6	surface water quality
5	ocean characteristics
5	topics

Science Topics term usage Saturday, 2011-04-16