Science Topics term usage 2011-04-14

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.)

1264	earthquakes
344	earthquake occurrences
310	volcanoes
97	maps and atlases
92	real-time monitoring and reporting
70	floods
68	groundwater
65	mineral resources
63	surface water (non-marine)
57	climate change
47	energy resources
46	water quality
43	map interfaces
38	remote sensing
36	earthquake probabilities
36	seismology
30	tsunamis
30	geospatial analysis
27	invasive species
26	environmental health (human)
25	contamination and pollution
24	droughts
20	avian influenza
19	fires
18	field sampling
18	river systems
17	topographic maps
16	hydrology
16	groundwater quality
15	tectonic processes
15	microbiology
14	oil resources
13	human impacts
13	geologic maps
13	acid deposition
13	volcanic activity
11	stream-gage measurement
9	surface water quality
9	volcanic eruption prediction
9	streamflow

Science Topics term usage Thursday, 2011-04-14