Science Topics term usage 2009-09-13

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.)

229	earthquakes
100	earthquake occurrences
88	maps and atlases
63	volcanoes
39	topographic maps
24	geologic maps
21	invasive species
20	real-time monitoring and reporting
18	life sciences
17	field methods
17	mineral resources
17	remote sensing
16	contamination and pollution
15	human impacts
15	climate change
13	floods
13	geospatial analysis
12	health and disease
11	energy resources
10	fires
10	droughts
10	geologic processes
10	natural resources
10	acid deposition
9	environmental health (human)
8	social sciences
8	oil resources
8	biogeography
8	zoology
7	waste treatment and disposal
6	biological and physical processes
6	map interfaces
6	nonmetallic mineral resources
6	geographic information systems (GIS)
6	stream-gage measurement
6	impact cratering
6	global change
6	global warming
6	water quality
6	organism growth and development

Science Topics term usage Sunday, 2009-09-13