Geology
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- West Virginia Cave Conservancy
- Dedicated to conservation and preservation of karst resources. Includes information about the state's caves, conservation techniques, educational programs, and links.
- 122
- CfA Space Geodesy Group
- Information about the effects sea level change on coastal geomorphology from the Harvard-Smithsonian Center for Astrophysics.
- 124
- Upham Beach Erosion Control
- Photographs and information on the coastal erosion on this beach in Florida.
- 125
- Glacial Deposition And Depositional Landforms
- Describes, illustrates, and explains glacial and fluvioglacial deposits and landforms, including drumlins, erratics, eskers, kames, kettles, varves, and outwash.
- 126
- USGS Coastal and Marine Geology Program
- Describes ongoing projects and research plans for assessing coastal, estuary, and continental shelf processes, sediment transfer, and related geologic hazards.
- 128
- Astronomy Picture of the Day - Impact: 65 Million Years Ago
- Computer rendering of Chicxulub crater, from gravity and magnetic field data.
- 129
- Astronomy Picture of the Day - Manicouagan Impact Crater on Earth
- Image taken from space shuttle Columbia in 1983.
- 130
- Geology 376 - 2001 Field Trip
- Travelogue of a geology class field trip to the Barringer meteor crater. Images, crater description, topographic map.
- 131
- Impact Structures
- Geology, geophysics, and petrology of impact structures (meteorite impact craters) with special focus on the Azuara and Rubielos de la Cérida impact structures (Spain)
- 133
- Terrestrial Impact Cratering and Its Environmental Effects
- World map of impact sites, details on the Chicxulub site, and details on environmental effects of impacts.
- 135
- The Chiemgau impact
- Geographic, geologic, geophysical, mineralogical-petrographic, geochemical, astronomical and historical characteristics of a Holocene notable asteroid/comet impact and the role of the discovery in the scientific discussion.
- 136
- Traces of Catastrophe
- Online book. Detailed introduction and overview of impact processes, crater formation, and shock metamorphism.
- 137
- Applications of Caesium-137 in Soil Erosion and Sedimentation Studies
- Discusses the use of Caesium-137, an element of radioactive fallout, as a tracer to study the rates and patterns of soil erosion and deposition.
- 138
- GCTE Focus 3 Soil Erosion Network
- Global Change and Terrestrial Ecosystems program to study and monitor soil erosion and to refine and adapt models for use in studies of environmental and climate change. Includes information about past conferences and links to related resources.