Science Topics term usage 2006-09-21

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.)

73	earthquakes
71	volcanoes
62	geographic information systems (GIS)
37	specimen collecting
31	earth structure
31	streamflow
24	animals
23	water quality
22	life sciences
21	contamination and pollution
21	earthquake occurrences
20	climate change
18	energy resources
17	tsunamis
17	tectonic processes
16	endangered species
16	surface water (non-marine)
16	floods
15	health and disease
15	oil resources
15	plants (organisms)
15	water properties
15	bacteria
14	erosion
14	rocks and deposits
14	mineral resources
14	precipitation (atmospheric)
13	maps and atlases
13	hazards
13	global change
13	acid deposition
12	geologic history
12	storms
12	ground-water flow
12	landslides
12	cartography
11	geologic structure
11	invasive species
11	land use and land cover
11	gravitational field (earth)

Science Topics term usage Thursday, 2006-09-21