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http://dx.doi.org/10.7848/ksgpc.2013.31.4.251

Calculation on Pure Sediment Volume at Namgang Dam Basin by Echo-sounder based on NTRIP Service  

Lee, Suk-Bae (Department of Civil Engineering, Gyeongnam National University of Science and Technology)
Kim, Ki-Heung (Department of Civil Engineering, Gyeongnam National University of Science and Technology)
Park, Jae-Hyun (Department of Forest Resource, Gyeongnam National University of Science and Technology)
Publication Information
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography / v.31, no.4, 2013 , pp. 251-257 More about this Journal
Abstract
Bathymetry sounding or water depth measurement is becoming more and more sophisticated with the increasing demand in accuracy, resolution and coverage in the recent years. Single beam echo sounding is still utilized to gather single line bathymetric profile in many surveys as ever, although there is an increasing demand for multi-beam echo sounding. Single beam echo sounder system acquires single line profiles of water depth as the vessel travel along the survey line. In this study, we performed single beam echo sounding with GNSS receiver for hydrographic survey at Namgang dam basin to calculate pure sediment. Unlike traditional research, we used not field reference station but NTRIP service of the reference station of DGNSS(Differential Global Navigation Satellite System) Central Office in this GNSS survey. The calculation results show that scouring volume is $603,650m^3$, sediment volume is $3,913,750m^3$ and so pure sediment volume is $3,310,100m^3$ at Namgang dam basin. And the availability of the NTRIP service of the DGNSS Central Office for echo sounding in land area has been confirmed in this study.
Keywords
Hydrographic survey; Echo sounder; Sediment; NTRIP service; DGNSS Central Office;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
연도 인용수 순위
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