Science Topics term usage 2006-09-01

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.)

63	earthquakes
56	atmospheric sciences
50	geographic information systems (GIS)
41	volcanoes
27	mineral resources
25	ground water
25	droughts
21	climate change
20	earth structure
20	animals
19	precipitation (atmospheric)
18	acid deposition
18	floods
18	biochemistry
17	rocks and deposits
16	seismology
15	maps and atlases
14	tsunamis
14	air temperature
14	streamflow
14	global warming
14	planetary bodies
14	tectonic processes
13	earthquake occurrences
13	geography
13	climatology
13	global change
13	hydrology
12	surface water (non-marine)
12	storms
12	land surface characteristics
11	hurricanes
11	water quality
11	atmospheric composition
11	atmospheric deposition (chemical & particulate)
11	crust (earth)
11	human impacts
11	topography
11	outer core (earth)
10	meteorology

Science Topics term usage Friday, 2006-09-01