Science Topics term usage 2011-04-23

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.)

722	earthquakes
234	earthquake occurrences
136	volcanoes
78	real-time monitoring and reporting
57	maps and atlases
52	water quality
44	floods
33	climate change
31	surface water (non-marine)
31	remote sensing
30	mineral resources
29	map interfaces
28	energy resources
28	earthquake probabilities
27	groundwater
23	geospatial analysis
23	human impacts
20	fires
15	contamination and pollution
13	avian influenza
13	geologic maps
12	topographic maps
12	droughts
12	tsunamis
10	invasive species
9	environmental health (human)
8	volcanic activity
7	microbiology
7	geochemistry
7	streamflow
6	biogeography
6	topics
6	geomorphology
6	drainage basins
6	earth structure
6	groundwater quality
5	tectonic processes
5	seismology
5	metallic ores
5	river systems

Science Topics term usage Saturday, 2011-04-23