Science Topics term usage 2008-01-24

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.)

63	geographic information systems (GIS)
41	volcanoes
37	earthquakes
31	invertebrate zoology
23	acid deposition
21	ground-water flow
21	earth structure
20	tectonic processes
18	earthquake occurrences
18	energy resources
17	human impacts
16	animals
16	rocks and deposits
15	remote sensing
15	geologic structure
15	climate change
15	ground water
15	decision support methods
13	ecosystems
13	water quality
13	global change
13	river systems
12	hurricanes
12	Alberta
12	sea-floor characteristics
12	Antarctica
12	floods
12	erosion
12	endangered species
11	aerial photography
11	earth sciences
10	precipitation (atmospheric)
10	tsunamis
10	sediment transport
10	mineral resources
10	land surface characteristics
9	streamflow
9	natural gas resources
9	topics
9	global warming

Science Topics term usage Thursday, 2008-01-24