Science Topics term usage 2005-05-13

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.)

200	earthquakes
144	volcanoes
67	geographic information systems (GIS)
55	surface water (non-marine)
48	earthquake occurrences
41	ground water
40	streamflow
39	tectonic processes
39	maps and atlases
35	mineral resources
32	volcanic activity
28	lakes
24	aerial photography
21	energy resources
21	hydrology
20	real-time monitoring and reporting
20	marine geology
19	hazards
18	sediment transport
18	tsunamis
18	geologic structure
18	landslides
17	floods
17	topography
16	water quality
16	earth structure
16	geospatial analysis
15	image collections
15	stream-gage measurement
15	storms
15	cartography
14	ground-water flow
14	animals
14	global change
13	geography
13	climate change
13	water resources
13	invertebrates
13	geologic history
13	earthquake probabilities

Science Topics term usage Friday, 2005-05-13