Science Topics term usage 2005-04-12

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.)

472	earthquakes
279	volcanoes
125	tectonic processes
120	earthquake occurrences
98	geographic information systems (GIS)
85	surface water (non-marine)
78	real-time monitoring and reporting
55	ground water
55	floods
52	tsunamis
47	hazards
46	maps and atlases
44	streamflow
40	ground-water flow
39	landslides
38	geologic history
38	aerial photography
36	water quality
35	climate change
35	earth structure
35	rocks and deposits
33	energy resources
31	earthquake probabilities
31	mineral resources
30	remote sensing
30	water resources
25	volcanic activity
25	human impacts
23	storms
23	wildlife
23	snow and ice cover
22	cartography
22	acid deposition
20	invasive species
20	animals
19	droughts
19	land use and land cover
19	geologic structure
18	global change
18	topography

Science Topics term usage Tuesday, 2005-04-12