Science Topics term usage 2011-06-21

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.)

612	earthquakes
210	volcanoes
184	earthquake occurrences
115	maps and atlases
81	floods
71	real-time monitoring and reporting
60	mineral resources
43	surface water (non-marine)
40	groundwater
39	geospatial analysis
35	climate change
34	energy resources
30	map interfaces
28	topographic maps
27	water quality
26	remote sensing
24	fires
24	environmental health (human)
21	contamination and pollution
20	geologic maps
18	droughts
17	avian influenza
15	earthquake probabilities
15	seismology
15	invasive species
11	river systems
11	microbiology
10	water supply and demand
9	life sciences
9	streamflow
9	volcanic activity
8	tectonic processes
8	animals
8	hydrology
7	tsunamis
7	health and disease
7	geographic information systems (GIS)
7	sea-floor characteristics
6	acid deposition
6	groundwater flow

Science Topics term usage Tuesday, 2011-06-21