The Cost Effectiveness of Airborne Laser Hydrography PDF Download
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Author:
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ISBN:
Category : Aeronautics in oceanography
Languages : en
Pages : 56
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Book Description
Author:
Publisher:
ISBN:
Category : Aeronautics in oceanography
Languages : en
Pages : 56
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Book Description
Author:
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ISBN:
Category :
Languages : en
Pages : 16
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Book Description
Airborne lidar technology is attractive for hydrographic surveying because of its high rate of area coverage coupled will high spatial data density, rapid-response and reconnaissance capabilities, and cost effectiveness. The National Ocean Service (NOS) has been involved in the design, implementation, and testing of such systems in conjunction with NASA, the U.S. Navy, and the U.S. Army Corps of Engineers (USACE) since 1975. Two topics of current interest are 1) the probability of detection of small objects on the sea bottom as a function of their size, and 2) the efficient reduction of the very large data sets to hydrographically representative but much smaller subsets. Results for both of these are reported here.
Author: Gary C. Guenther
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Category : Hydrography
Languages : en
Pages : 150
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Author: Van K. Nield
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Category : Bathymetry
Languages : en
Pages : 14
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Conventional waterborne hydrographic survey methods have become exceedingly expensive while the need for improvement of charts is increasing rapidly. The U.S. Government is developing techniques to conduct rapid, efficient surveys; especially airborne laser bathymeters. The first system should be in use by 1983. It will penetrate to 28 meters under typical conditions and will be deployed in a helicopter from a coastal survey ship. A hybrid system using a combined laser and multispectral scanner is also under development for surveying clear, shoal areas. Advanced high pulse rate laser systems are also under study. (Author).
Author: Gary C. Guenther
Publisher:
ISBN:
Category : Aeronautics in oceanography
Languages : en
Pages : 385
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Author:
Publisher:
ISBN:
Category : Hydrographic surveying
Languages : en
Pages : 316
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 666
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Book Description
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author:
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Category : Hydrographic surveying
Languages : en
Pages : 320
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Author:
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ISBN:
Category : Government publications
Languages : en
Pages : 1342
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Author:
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ISBN:
Category : Government publications
Languages : en
Pages : 1346
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