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Encyclopedia > Aerial mapping

Aerial survey is a method of collecting information by utilising aerial photography or from remote sensing technology using other bands of the electromagnetic spectrum, such as infrared, gamma, or ultraviolet. It can also refer to the chart or map made by analysing a region from the air. This is typically done using satellites, aircraft, balloons, or kites. Aerial surveys can provide information on many things not visible from the ground. The Georgian terrace of Royal Crescent (Bath, England) from a hot air balloon Dulles Airport in Reston, Virginia, from an airplane Aerial photography is the taking of photographs from above with a camera mounted on an aircraft, balloon, rocket, kite, skydiver or similar vehicle. ... SAR image of Death Valley colored using polarimetry 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. ... Legend: γ = Gamma rays HX = Hard X-rays SX = Soft X-Rays EUV = Extreme ultraviolet NUV = Near ultraviolet Visible light NIR = Near infrared MIR = Moderate infrared FIR = Far infrared Radio waves: EHF = Extremely high frequency (Microwaves) SHF = Super high frequency (Microwaves) UHF = Ultrahigh frequency VHF = Very high frequency HF = High frequency... Image of a small dog taken in mid-infrared (thermal) light (false color) Infrared (IR) radiation is electromagnetic radiation of a wavelength longer than that of visible light, but shorter than that of microwave radiation. ... This article is about electromagnetic radiation. ... Ultraviolet (UV) radiation is electromagnetic radiation of a wavelength shorter than that of the visible region, but longer than that of soft X-rays. ...


Aerial surveys are used for:

Surveyor at work with a leveling instrument. ... Archaeology, archeology, or archæology (from the Greek words αρχαίος = ancient and λόγος = word/speech/discourse) is the study of human cultures through the recovery, documentation and analysis of material remains and environmental data, including architecture, artifacts, biofacts, human remains, and landscapes. ... A census is the process of obtaining information about every member of a population (not necessarily a human population). ... Mixed reconnaissance patrol of the Polish Home Army and the Soviet Red Army during Operation Tempest, 1944 Reconnaissance is the military term for the active gathering of information about an enemy, or other conditions, by physical observation. ...

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