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Remote sensing
Acquiring information about a natural feature or phenomenon, such as the Earth's surface, without actually being in contact with it. USGS remote sensing is usually carried out with airborne or spaceborne sensors or cameras.
Subtopics:
IFSAR (4 items)
LIDAR (17 items)
Aerial photography (34 items)
Aeromagnetic surveying (10 items)
Aeroradiometric surveying (1 items)
Hyperspectral imaging (5 items)
Infrared imaging (20 items)
Microwave imaging (1 items)
Multispectral imaging (26 items)
Radar imaging (4 items)
Thermal imaging (2 items)
Visible light imaging (5 items)

Remote-sensing data (38 items)
Remote-sensing images (38 items)
Composite burn index (1 items)
Normalized burn ratio (1 items)
Satellite altimetry (3 items)
Satellite images (38 items)
Related topics:


Results 51 - 60 of 174 listed alphabetically [list by similarity]
Hurricane Katrina photographs August 30, 2005 [More info]
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.
Hurricane and extreme storm impact studies [More info]
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.
Hurricane and extreme storm impact studies: coastal and nearshore mapping with oblique aerial video and still photography [More info]
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.
Hurricane and extreme storm impact studies: coastal and nearshore mapping with scanning airborne laser (LIDAR) [More info]
Airborne scanning laser surveys (LIDAR) are used to obtaining data to investigate the magnitude and causes of coastal changes that occur during severe storms. Links to examples of coastal mapping during specific hurricanes.
Hurricane and extreme storm impact studies: hurricanes, El-NiƱo, & northeasters [More info]
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.
PDF Integrated monitoring of ecological conditions in wetland-upland landscapes [More info]
Landscapes of interwoven wetlands and uplands offer a rich set of ecosystem goods and services. Changes in climate and land use can affect the value of those services. We study these areas to understand how they may be changing.
Integrated software for imagers and spectrometers (ISIS) [More info]
Integrated Software for Imagery and Spectrometers (ISIS) is a comprehensive, user-friendly, portable tool for processing, analyzing, and displaying remotely sensed image data. Homepage provides documentation, acquisition, user feedback, and FAQs.
International Program at the Earth Resources Observation Systems (EROS) Data Center - environmental monitoring and information systems [More info]
Overview of the environmental monitoring component of the international program at the EROS Data Center using Geographic Information Systems (GIS) technology, with links to data, partners, publications, and workshops.
PDF Introduction to potential fields: Magnetics [More info]
Explanation of the Earth's magnetic field and how USGS measures it. Defines magnetic anomaly, induced and remanent magnetism in rocks, and describes magnetic anomaly maps.
PDF Inventory and protection of salt marshes from risks of sea-level rise at Acadia National Park, Maine [More info]
Will salt marshes survive if sea level rises quickly? The answer depends on whether the areas surrounding them can allow salt marsh fauna and flora to migrate there. Local topography, both natural and manmade, is the main factor limiting this migration.
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