Fig. 1. Measuring of water depth using rubber boat(Geosurvey.co.kr)
Fig. 3. Various types of USV
Fig. 4. Target area(Rectangle line)
Fig. 5. Single beam echosounder
Fig. 6. Multi beam echosounder
Fig. 7. Leica GPS 1200 system
Fig. 8. USV used in the experiment
Fig. 9. Combination of GPS and multi beam transducer
Fig. 10. Process of experiment
Fig. 11. Bar check of single beam echosounder
Fig. 12. Measurement of offset
Fig. 13. Monitoring of pitch, roll and heading grade
Fig. 14. Measuring route of USV
Fig. 15. Depth, SB depth and MB depth
Fig. 16. Deviation of single beam echosounder and multi beam echosounder (Unit : m)
Fig. 17. TIN from multi beam echosounder data
Fig. 18. TIN from single beam echosouder data
Fig. 19. Surface difference between multi beam echosounder and sing beam echosounder
Fig. 20. Auto sailing program
Fig. 2. Measuring of water depth using small vessel(Geosurvey.co.kr)
Table 1 . Measuring route plan and rate
Table 2 . Measuring interval according to instrument
Table 3. Specification of CeeStar
Table 4. Specification of DT-101
Table 5. Specification of GPS system 1200
Table 6. Part of interpolated data (Unit : m)
Table 7. Calculation of volume difference
Table 8. Comparison of sailing distance
Table 9. Comparison of work process and worker
Table 10. Comparison of working time and cost
Table 11. Worker and cost
Table 12.
참고문헌
- Choi, B.G. and Cho, K.H. (2008), Development of remote control ship for acquisition of underwater information, Journal of the Korean Society for Geospatial Information System, Vol. 16, No. 3, pp. 65-69. (in Korean with English abstract)
- Choi, C.E., Kim, Y.S., and Suh, Y.C. (2005), Improvement of multi-beam echo sounder's depth accuracy, Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, Vol. 23, No. 1, pp. 1-8. (in Korean with English abstract)
- Kim, J.Y., Lee, G.S., Kim, D.C., Seo, Y.K., and Yi, H.I. (2011), CUBE filtering of multibeam echo sounder data, Journal of the Korean Society of Fisheries, Vol. 44, No. 3, pp. 308-317. (in Korean with English abstract)
- Kong, S.K., Kim, J.K., and Shim, M.B. (2010), A study on assessment of depth data from hydrographic surveying using MBES around south sea of Samcheonpo, Journal of the Korean Society of Marine Engineering, Vol. 34, No. 4, pp. 560-566. (in Korean with English abstract) https://doi.org/10.5916/jkosme.2010.34.4.560
- Lee, J.M., Han, H.S., Han, H.C., Kong, K.S., and Seo, Y.K. (2010), A study on topographic features of Yeongil bay using multibeam data, Journal of the Korean Society of Marine Engineering, Vol. 2010, No. 4, pp. 379-383. (in Korean with English abstract)
- Lee, J.S., Kim, S.Y., Lee, Y.K., Shin, D.W., Kim, H.J., and Jou, H.T. (2001), A study on outlier adjustment for multibeam echosounder data, Journal of the Korean Society of Oceanography, Vol. 6, No. 1, pp. 35-39. (in Korean with English abstract)
- Lee, M.H., Kim, C.H., Park, C.H., Rho, H.S., and Kim, D.C. (2017), Comparative analysis of bathymetry in the Dongdo and the Seodo, Dokdo using multibeam echosounder system, Journal of the Korean Society of Economic and Environmental Geology, Vol. 50, No. 6, pp. 477-486. (in Korean with English abstract)
- Ministry of Land, Infrastructure and Transport (2016), Korea Annual Hydrological Report, Han River Flood Control Office, http://www.hrfco.go.kr/web/sumun/floodgate.do (lst date accessed: 03 July 2018)
- Ministry of Land, Infrastructure and Transport (2018a), River Act
- Ministry of Land, Infrastructure and Transport (2018a), Enforcement Decree of the River Act
- Roh, J.S., Choi, Y.S., Yoon, H.S., and Lee, Y.J. (2009), Establishment error calibration method on MBES, The Journal of GIS Association of Korea, Vol. 17, No. 3, pp. 351-359.(in Korean with English abstract)
- Son, W.J., Choi, J.W., Cho, S.H., and Jung, S.K. (2015), Measurements of monostatic bottom backscattering strenghs in shallow water of the Yellow Sea, Journal of the Acoustical Society of Korea, Vol. 34, No. 6, pp. 444-454. (in Korean with English abstract) https://doi.org/10.7776/ASK.2015.34.6.444