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	Remote sensing - Wikipedia, the free encyclopedia
		In the broadest sense, remote sensing is the measurement or acquisition of information of an object or phenomenon, by a recording device that is not in physical or intimate contact with the object.
		In practice, remote sensing is the utilization at a distance (as from aircraft, spacecraft, satellite, or ship) of any device for gathering information about the environment.
		Space probes to other planets have also provided the opportunity to conduct remote sensing studies in extra-terrestrial environments, synthetic aperture radar aboard the Magellan spacecraft provided detailed topographic maps of Venus, while instruments aboard SOHO allowed studies to be performed on the Sun and the solar wind, just to name a few examples.
	en.wikipedia.org /wiki/Remote_sensing (1786 words)

	GIS Tutorials: Remote Sensing
		Remote Sensing is the science and art of acquiring information (spectral, spatial, temporal) about material objects, area, or phenomenon, without coming into physical contact with the objects, or area, or phenomenon under investigation.
		Active remote Sensing: Makes use of sensors that detect reflected responses from objects that are irradiated from artificially-generated energy sources, such as radar.
		Spectral Resolution: of a remote sensing instrument (sensor) is determined by the band-widths of the Electro-magnetic radiation of the channels used.
	www.gisdevelopment.net /tutorials/tuman008.htm (2282 words)

	NPS Remote Sensing - Index
		Remotely sensed data is used by NPS for many purposes, primarily in collaborative projects with USGS, NASA, and academic institutions.
		Remote sensing permits NPS to monitor areas that cannot otherwise be accessed, and it provides a means to extrapolate point measurements across the landscape.
		Remote sensing is simply measuring objects from a distance, where the measuring device is not in direct contact with the object being measured.
	www.nps.gov /gis/remote_sensing (431 words)

	Chapter 27 -- Remote Sensing (Site not responding. Last check: 2007-10-21)
		Remote sensing has been around humanity as long as the species has been on the planet.
		The human eye is a typical form of remote sensing equipment and it allowed our species to advance, but now the visual spectra are not enough to determine the condition of our Earth; infrared and radar are needed to determine the status of plantlife, geology, and water.
		Remote sensing has become very important with the advent of the space program for several reasons.
	www.space.edu /projects/book/chapter27.html (2774 words)

	EO Library: Remote Sensing
		The technology of modern remote sensing began with the invention of the camera more than 150 years ago.
		Satellite remote sensing can be traced to the early days of the space age (both Russian and American programs) and actually began as a dual approach to imaging surfaces using several types of sensors from spacecraft.
		The term "remote sensing," first used in the United States in the 1950s by Ms.
	earthobservatory.nasa.gov /Library/RemoteSensing (316 words)

	science@nasa - Technology: Remote Sensing
		Remote sensing can be simply defined as the studying of qualities of an object without coming into contact with it.
		Without remote sensing we wouldn't be able to study the Earth as a system.
		Remote sensing helps manage forest fires and enables your local meteorologist to let you know whether to bring your umbrella.
	science.hq.nasa.gov /earth-sun/technology/remote_sensing.html (519 words)

	Remote Sensing Introduction (Site not responding. Last check: 2007-10-21)
		Remote Sensing is an extensive science, drawing from many areas for support and development.
		Remote Sensing Systems offer four basic components to measure and record data about an area from a distance.
		Remote sensing is an interesting and exploratory science, as it provides images of areas in a fast and cost-efficient manner, and attempts to demonstrate the "what is happening right now" in a study area.
	www.ucalgary.ca /UofC/faculties/SS/GEOG/Virtual/remoteintro.html (328 words)

	All About Sea Ice: Studying: Remote Sensing
		Remote sensing, in simplest terms, means viewing something from a distance rather than by direct contact.
		In terms of earth science, remote sensing refers to the ability of satellites to detect electromagnetic radiation from features on the earth’s surface or in the atmosphere.
		Remote Sensing Data Acquisition and Initial Processing: Tutorial published in July 2005 in the Earth Observation Magazine.
	nsidc.org /seaice/study/remote_sensing.html (239 words)

	Remote Sensing Principles (Site not responding. Last check: 2007-10-21)
		The information we provide here will help you become familiar enough with remote sensing concepts to begin to use the Landsat data and to embark on a more in-depth exploration of the vast field of remote sensing.
		Although we cannot cover every aspect of remote sensing in these pages, this information will help you understand just what a remotely sensed image is and how the data can be useful.
		After reading the "Remote Sensing Principles" pages, you can find a description of the data products from Landsat 7 that are available from this web site in the section entitled Landsat 7 Data Products.
	chesapeake.towson.edu /data/principles.asp (180 words)

	Remote Sensing: LC Science Tracer Bullet (Site not responding. Last check: 2007-10-21)
		Remote sensing is the gathering and recording of information without actual physical contact of the sensing equipment with the object or area being investigated, as in satellite or aerial photography.
		Remote sensing is used to collect information about the earth's geological features, vegetation, atmosphere, bodies of water, ice surfaces, and land use.
		Mathematics in remote sensing: based on the proceedings of a conference organized by the Institute of Mathematics and Its Applications...
	palimpsest.stanford.edu /bib/tracremt.html (1933 words)

	Oceans Alive! \| The Scientist at Sea \| Remote Sensing
		Oceanographers are using remote sensing via satellites with specialized sensors and measuring devices to provide total ocean surveillance and data on a global scale.
		Remote sensing data are usually displayed as images created by a computer.
		The great advantage of remotely sensed images is that they show considerable environmental detail while also providing the widest possible context.
	www.mos.org /oceans/scientist/sensing.html (493 words)

	A Guide for Teachers
		Remote sensing is the science of acquiring, processing and interpreting measurements acquired from aircraft and satellites (Sabins, 1997)
		Remote sensing techniques measure the interaction of the Earth's surface (or at most the upper few meters) with electromagnetic energy from the sun and therefore are inherently a form of geographic information.
		Most remote sensing devices are passive in that they merely measure the intensity of the Sun's electromagnetic energy which is reflected off the surface of the Earth or is emitted (radiated) as heat.
	www.geo.utep.edu /pub/keller/AGuideforTeachers.html (3407 words)

	REMOTE SENSING : CTI CENTRE FOR GEOGRAPHY, GEOLOGY AND METEOROLOGY (Site not responding. Last check: 2007-10-21)
		Laboratory of Remote Sensing: Detection and modelling of the Land-cover changes from regional to global scale, transcribed in English.
		Geological Remote Sensing Laboratory: A major emphasis is analysis of selected Landsat and other terrestrial and planetary digital images in conjunction with a laboratory and field spectra of minerals, rocks, and vegetation.
		Remote Sensing Applications Division: Abstracts of publications for the undergraduate in German and English.
	www.geog.le.ac.uk /cti/rs.html (562 words)

	Remote Sensing as used for archeological research
		Remote sensing can be a discovery technique, since the computer can be programmed to look for distinctive "signatures" of energy emitted by a known site or feature in areas where surveys have not been conducted.
		The pixel (picture element) is the square area being sensed, and the size of the pixel is directly proportional to sensor height.
		"Remote Sensing," Chapter 14 of Benchmarks In Time and Culture: Introductory Essays in the Methodology of Syro-Palestinian Archeology.
	www.ghcc.msfc.nasa.gov /archeology/remote_sensing.html (1011 words)

	Remote Sensing
		Recent activities of E. Brandes, G. Zhang, and J. Vivekanandan have focused on rainfall estimation and the development of procedures for retrieving the DSD with the "constrained-gamma" model using measurements of radar reflectivity and differential reflectivity and an empirical relation between the shape and slope parameters of the gamma DSD.
		The theory shows that the noise effect on SA wind estimates depends on system configuration and the lag, and cannot be fully accounted for by a reduced correlation coefficient due to noise as previously hypothesized.
		Reliable remote detection of cloud liquid water content and droplet sizes is important both for understanding cloud microphysics and meteorological processes and for providing improved diagnostics of icing potential to the aviation community.
	www.rap.ucar.edu /asr2003/remote-sensing.html (1878 words)

	Remote Sensing (Site not responding. Last check: 2007-10-21)
		Remote Sensing: is the measurement or acquisition of information of some property of an object by a recording device that is not in physical contact with the object under study.
		Remote sensing projects usually involve the use of imagery.
		Questions regarding remote sensing at the BLM for Utah should be directed to Julie Casper at 801-539-4144
	www.blm.gov /utah/geosciences/mappingsci/remote.html (297 words)

	Remote Sensing research stream - CSIRO Land and Water
		Remote sensing technology gives us a ‘bird’s eye view’ of our planet using data captured by earth-orbiting satellites, aircraft and ground-based sensors.
		CSIRO has an established capability in the remote sensing of water bodies, as well as terrestrial remote sensing with respect to monitoring fires and other factors that impact on landscape water balances.
		We currently manage a number of remote sensing projects, including Sentinel Hotspots, an internet-based satellite mapping system used to monitor the position and movement of bushfires.
	www.clw.csiro.au /research/sensing/remote (351 words)

	Center for Space Research Remote Sensing Group (Site not responding. Last check: 2007-10-21)
		The Center for Space Research Remote Sensing group is working toward the development of advanced image processing algorithms which can be applied to airborne and satellite imagery to better understand changes affecting the planet.
		The remote sensing group's efforts have been focused on developing methods to characterize and model the spectral and spatial features from both optical and microwave sensors.
		Current research by the remote sensing group is to understand the statistical properties associated with different land cover types particularly in coastal regions.
	www.csr.utexas.edu /projects/rs (83 words)

	Remote Sensing Glossary
		In remote sensing it is represented by the histogram of DN in one band for a scene.
		Radar is an active form of remote sensing that operates in the microwave and radio wavelength regions.
		Sonar is an active form of remote sensing that employs sonic energy to image the seafloor.
	www.ldeo.columbia.edu /res/fac/rsvlab/glossary.html (8259 words)

	ES 771 Remote Sensing Syllabus (Site not responding. Last check: 2007-10-21)
		Remote sensing of the Earth's surface utilizing the electromagnetic spectrum.
		Image interpretation, practical applications in earth science, and use of remotely sensed data in geographic information systems.
		Textbook: Remote sensing of the environment by John R. Jensen, 2000.
	academic.emporia.edu /aberjame/remote/remote.htm (331 words)

	Principles of Remote Sensing (Site not responding. Last check: 2007-10-21)
		Very detailed overview, history and background on remote sensing including case studies on the application of remote sensing in different fields.
		Basic overview of what remote sensing is with hyperlinks to detailed explanations of remote sensing terminology.
		Four volume curriculum covering topics such as air photo interpretation, remote sensing and the environment, digital image processing, and remote sensing applications.
	gislounge.com /ll/remotesensing.shtml (320 words)

	Remote Sensing Home Page (Site not responding. Last check: 2007-10-21)
		The purpose of this guide is to help you find selected key documents and data sets vital to understanding the use of satellite remote sensing to study the human dimensions of global environmental change.
		Satellite remote sensing technology and the science associated with evaluation of its data offer potentially valuable information for assisting human dimensions research studies.
		Satellite remote sensing is an evolving technology with the potential for contributing to studies of the human dimensions of global environmental change by making globally comprehensive evaluations of many human actions possible.
	ciesin.columbia.edu /TG/RS/RS-home.html (469 words)

	The Geological Remote Sensing Group
		The Geological Remote Sensing Group is an association of enthusiasts keen on the geological aspects of remote sensing.
		GRSG members are encouraged to contribute images of their work to the new gallery, see the gallery page for more details.
		GRSG is a special interest group of the Remote Sensing and Photogrammetry Society and the Geological Society
	www.grsg.org (148 words)

	Canada Centre for Remote Sensing
		The work of the Canada Centre for Remote Sensing focuses on the Priorities of the Earth Sciences Sector.
		Data from earth observation satellites are used to detect and assess the impacts of climate variability and change on Canada's landmass and coastal zone.
		Remote sensing monitoring and mapping methods for land, water and man-made features of our vast northern areas.
	www.ccrs.nrcan.gc.ca /index_e.php (137 words)

	Remote Sensing Techniques to Monitor Volcanoes
		For the purpose of studying volcanoes, remote sensing is the detection by a satellite's sensors of electromagnetic energy that is absorbed, reflected, radiated, or scattered from the surface of a volcano or from its erupted material in an eruption cloud.
		For many of the world's volcanoes that are either extremely remote or not monitored well, satellite observations of volcanic activity may be all that is available because of the extensive coverage they provide.
		Remote Sensing of Volcanic Eruption Clouds Using AVHRR: A tutorial on the use of Advanced Very High Resolution Radiometer (AVHRR) data for
	volcanoes.usgs.gov /About/What/Monitor/RemoteSensing/RemoteSensing.html (390 words)

	Remote Sensing Data and Information (Site not responding. Last check: 2007-10-21)
		Remote Sensing Tutorial developed by the Applied Information Sciences Branch at NASA GSFC.
		The Canada Centre for Remote Sensing provides a comprehensive set of Landsat and SPOT images of Canada.
		The Project Galileo server describes the Galileo mission to Jupiter, and includes remote sensing imagery of the encounter with Ganymede (the largest moon in the solar system).
	rsd.gsfc.nasa.gov /rsd/RemoteSensing.html (1241 words)

	Precision Agriculture Remote Sensing Laboratory, 田磊
		The laboratory is staffed with experts in the fields of crop science, agriculture engineering, extension, agriculture economics, geographic information systems, and remote sensing.
		The University of Illinois is well positioned to establish itself as a leader in the field of applied agricultural remote sensing.
		The function of ILARS should be to engage U.S. agribusinesses in applied remote sensing research, designed to investigate potential business opportunities and to develop new product ideas and application prototypes for these companies.
	www.age.uiuc.edu /remote-sensing/index.html (555 words)

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