Science Topics term usage 2006-04-30

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.)

107	earthquakes
77	volcanoes
42	geographic information systems (GIS)
30	earthquake occurrences
20	climate change
18	floods
17	energy resources
16	tectonic processes
16	tsunamis
15	maps and atlases
14	coastal zones
14	earth structure
13	storms
12	acid deposition
11	rocks and deposits
11	planetary bodies
11	aerial photography
10	streamflow
10	animals
10	geologic structure
10	endangered species
10	surface water (non-marine)
9	real-time monitoring and reporting
9	water sampling
9	water quality
9	landslides
8	meteorites
8	natural resources
8	health and disease
8	precipitation (atmospheric)
8	nonvascular plants
8	erosion
8	earth characteristics
7	land use and land cover
7	ground-water flow
7	ground water
7	invasive species
7	mineral resources
7	gravitational field (earth)
6	topics

Science Topics term usage Sunday, 2006-04-30