Science Topics term usage 2005-04-29

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.)

233	earthquakes
167	volcanoes
86	geographic information systems (GIS)
66	earthquake occurrences
53	tectonic processes
53	energy resources
48	tsunamis
46	surface water (non-marine)
40	earth structure
39	maps and atlases
36	oil resources
31	ground water
30	real-time monitoring and reporting
29	geologic history
29	geologic structure
25	streamflow
25	floods
24	animals
24	ground-water flow
24	climate change
21	storms
21	landslides
20	volcanic activity
20	water quality
20	hydrology
19	droughts
19	rocks and deposits
17	hazards
17	mineral resources
16	precipitation (atmospheric)
15	seismology
15	image collections
15	magnetic field (earth)
15	water properties
14	ecosystems
14	erosion
14	invasive species
14	land surface characteristics
13	aerial photography
13	topics

Science Topics term usage Friday, 2005-04-29