Process of using chemical reactions on sensitized emulsions, films or plates exposed to light (or other forms of radiant energy) to produce images or representations of objects.
We mapped substantial migration of the river channel between the City of Winslow and the Navajo Nation community of Leupp; in a human lifetime the river has moved more than a mile across its valley floor.
Technical information on the Aircraft Scanners data set at the USGS EROS Data Center containing digital imagery acquired from several multispectral scanners collected over conterminous United States, Alaska, and NASA aircraft.
Summary of study to document the impact of Hurricane Isabel in the Outer Banks of North Carolina, near Cape Hatteras. Methods included pre- and post-storm photography, videography, and lidar.
USGS responses to and studies of the hazards and impact of major hurricanes, tsunamis, and El Nino storms. Includes links to oblique aerial photography and LIDAR surveys recording coastal changes and other effects of storms and waves.
Over 990,000 photos taken from 1959 through 1980 are available for use in studying land surface change. Especially useful because these were taken before Landsat was launched.
We conduct systematic imaging of reef habitats in order to provide regulatory agencies with information they need to decide whether those reefs should be designated as protected areas.
The relation between seasonal forest change and weather is being tracked and analyzed by comparing precise field observations to regional patterns shown in long-term satellite imagery.
Description of what Digital Orthophoto Quadrangles are and how to obtain them plus information on the DOQ program, points of contact, DOQ status graphic, examples of DOQs, and free data viewer software.
Modified version of paper by F.T. Manheim and A.G. McIntire, Civil Engineering Practice, Vol. 13, No. 1, pp. 35-48 (1998). A new shoreline file has been created for Boston Harbor by digitizing and combining the most recent charts.
Photographic archive collection from the USGS Photo Library. Photos dated 1868-1992 are of geology, earthquake damage, national parks, pioneer photographers, St. Helens eruption and mining and available at 100, 700 and 1400 dots/inch resolution.
Query and order satellite images, aerial photographs, and cartographic products through the U.S. Geological Survey. Log in as a guest or as a registered user with more privileges. Uses Java Script or Applet Versions for PC, MacIntosh, and Unix programs.
Satellite images of geographic areas of interest, cities, deserts, glaciers, geologic features, disaster areas, water bodies, and wildlife linked with articles, maps, and other images such as AVHRR, photographs, and special project images.
Fact sheet on the historic and current conditions of mangroves of Dry Tortugas National Park, a cluster of islands and coral reefs west of Key West, Florida. Mangroves and nesting frigate bird colonies are at risk to destruction by hurricanes.
Photographic survey of the impacts of Hurricane Katrina on the barrier islands, barrier shoreline, and the Mississippi River Delta along the Louisiana coastline. Primary focus is on the ecosystems such as fish, rookeries, and seagrass beds.
Homepage for programs of the Center for Coastal Geology on hurricanes and extreme storms with links to technology, related aerial photography, hurricanes, El Nino, northeasters, and specific storms.
Information on video and still photography used to supplement laser altimetry measurements of the coast. The photography is used for recognizing geomorphic and cultural features impacted by storms. Links to photo collections of hurricanes and El Nino.
Description of three types of severe coastal storm impacts: hurricane impacts on the southeast U.S., extra-tropical storm impacts on the U.S. west coast during El-Nino winters, and 'northeaster' impacts on the U.S. east coast.
Current Kilauea eruption activity, updated daily with recent photos, maps, and deformation information and links to video for broadband users, photo glossary, and image archive.
Quantifies the landscape changes and consequences of natural gas extraction by digitizing indications of disturbance on NAIP aerial photographs and using these with the NLCD to show land use-land cover change.
Quantifies the landscape changes and consequences of natural gas extraction by digitizing indications of disturbance on NAIP aerial photographs and using these with the NLCD to show land use-land cover change.
A large collection of photographs showing the historic flooding of the upper Mississippi River near LaCrosse, Wisconsin and points south during April of 2001. Includes video footage as well.
We combine long-term records from aerial photographs, detailed mapping using survey-grade GPS, and ground-based lidar with meteorological monitoring. Sand dune migration rates are currently about 35 meters per year.
Description of the National Aerial Photography Program (NAPP) designed to cover all the lower 48 States every 5 to 7 years with a new set of aerial photographs.
Enables locating and ordering aerial photography produced under the National Aerial Photography Program (NAPP)from the EROS data center with links to product description, prices, search & order, custom enlargements and certification.
The National Assessment of Coastal Change Hazards is a multi-year undertaking to identify and quantify the vulnerability of U.S. shorelines to coastal change hazards such as the effects of severe storms, sea-level rise, and shoreline erosion and retreat.
Ordering and descriptive information on photography from the National High Altitude Photography (NHAP) program 1980-1989 to acquire aerial photographs of the 48 conterminous states with links to searching on EarthExplorer.
Brief report on sidescan sonar data, sediment sampling, and submersible and video photography studies of destruction of deep-water coral pinnacles where fish spawn off east-central Florida in the Oculina Bank in order to restore and protect the habitat.
Site for the Optical Science Laboratory specializing in expert calibration of aerial mapping cameras with links to fees, scheduling cameras for calibration, historical camera database files, USGS aerial camera specifications, and how to visit.
Selection of photographic images of the Long Valley area that illustrate the consequences of the past geologic history of the Sierra Nevada, Long Valley Caldera, the Mono-Inyo Craters volcanic chain, glaciation, and faulting.
Aerial photography for the Upper Mississippi River System (UMRS). Mosaics of 2000 UMRS aerial photos, 1997 oblique photos collected between Minneapolis and the Gulf of Mexico, and 1994 UMRS color infrared aerial photos.
Description and photos related to the Picher Mining District in Oklahoma, once a primary U.S. source of lead and zinc and now the largest superfund site in the U.S. with millions of cubic yards of mine tailings (locally known as "chat") remaining.
Site for the Platte River Program in Nebraska an area that is a critical staging area for migratory waterbirds of the Central Flyway. Includes links to color-infrared aerial photos, 1938 historic aerial photos, and Cottonwood Ranch research site.
These photographs were taken by Gemini mission astronauts with handheld cameras or by the Large Format Camera (LFC) that flew on space shuttle Challenger in October 1984.
Extreme storms, sea-level rise, and the health of marine communities are some of the major societal and environmental issues studied by this part of USGS.
Homepage to access a large number of photograph collections on many subjects including national parks, ecosystems, plants and animals, and geologic features.