Science Topics term usage 2010-05-01

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.)

908	earthquakes
327	earthquake occurrences
272	volcanoes
113	real-time monitoring and reporting
98	maps and atlases
55	energy resources
54	seismology
53	surface water (non-marine)
51	floods
45	map interfaces
41	mineral resources
40	ground water
40	topographic maps
39	remote sensing
38	earthquake probabilities
36	climate change
35	water quality
35	geospatial analysis
35	droughts
29	invasive species
27	contamination and pollution
20	geologic maps
18	acid deposition
15	human impacts
15	erosion
13	river systems
13	hazards
12	marine geology
11	environmental health (human)
11	ocean characteristics
11	avian influenza
10	endangered species
10	geomorphology
9	soil resources
9	hydrology
9	volcanic activity
9	fires
8	wetland ecosystems
8	sediment transport
8	land surface characteristics

Science Topics term usage Saturday, 2010-05-01