DOI QR코드

DOI QR Code

Development of Method for Acquisition of 3-Dimensional River Geographic Information Using R2V2 and UAV

R2V2와 UAV를 이용한 3차원 하천지형정보 취득 기법 개발

  • Jeong, Changsam (Department of Civil & Environmental Engineering, Induk University)
  • 정창삼 (인덕대학교 토목환경설계과)
  • Received : 2014.04.02
  • Accepted : 2014.04.30
  • Published : 2014.06.30

Abstract

The hydraulic and hydrological changes in river are expected due to the global climate change and four-river restoration project. The river geographic information is a vital material to predict and understand the natural phenomenon and a base data of various river information that is demanded for river management. The method to enable to provide an information with time, economic efficiency and high reliability was developed in this study. For this, a geographic information of river bed in low flow plain was measured by a remote controlled boat with ADCP and a geographic information in high flow plain was measured by an unmanned aerial vehicle. As a result, the constructed 3D river geographic enables to extract the river cross section and longitudinal section without discontinuity, and these information are considered as useful data in river management and facility plan.

자연환경 기후변화 및 4대강 살리기 사업 등으로 인해 하천 내 수리 수문현상의 많은 변화가 예상되고 있으며, 그 중에서 하천지형정보는 하천관리를 위해 요구되는 다양한 하천 정보의 기초가 되며 하천 내 수리 수문현상을 이해하고 예측하는데 필수적인 자료이다. 따라서 본 연구에서는 첨단 기기를 이용하여 기존 하천 측정 방법에 비해 시간적, 경제적 효율성 및 신뢰도 높은 자료 제공이 가능한 방법을 개발해 보고자 하였다. 이를 위해 저수부 하상 측정에는 ADCP 센서를 장착한 무선조종 하천조사보트를 이용하여 3차원 저수부 하상지형자료를 취득하였으며, 고수부 지형자료 취득에는 사진측량 장비를 장착한 무인항공기를 이용하였다. 구성된 3차원 하천지형으로 기존의 하천측량 방법으로는 구현할 수 없었던 단절부 없이 고수부와 저수부가 연결된 하천 종 횡단 정보를 추출할 수 있었으며 이는 하천을 유지 관리하고 시설물 등을 계획하는데 유용한 정보로 활용될 수 있을 것으로 판단된다.

Keywords

Acknowledgement

Supported by : 국토해양부

References

  1. Jang, H. (2008) "Process of Digital Elevation Model Using RC Helicopter Surveying System." Journal of the Korean Society of Surveying, Geodesy, Photogrammetry, and Cartography, Korean Society of Surveying, Geodesy, Photogrammetry, and Cartography, Vol 26, No. 2, pp. 111-116 (in Korean).
  2. Jang, H. (2010) "3D Stereoscopic Terrain Extraction of Road Cut Failure Slope Using Unmanned Helicopter Photography System." Journal of the Korean Society of Surveying, Geodesy, Photogrammetry, and Cartography, Korean Society of Surveying, Geodesy, Photogrammetry, and Cartography, Vol. 28, No. 5, pp. 485-491 (in Korean).
  3. Kang, C. (1996) An Application of GIS for River Survey and Maintenance Management. a Master's Degree, Yeungnam University, Korea (in Korean).
  4. Kang, G., Sung, C., and Cho, K. (2004) "3-Dimensions Positioning to Combined RTK-GPS and E/S Observation." Journal of the Korean Society of Cadastre, Korean Society of Cadastre, Vol. 20, No. 1, pp. 111-124 (in Korean).
  5. Kim, M., Jung, G., Kim, J., and Yun, H. (2010) "Applicability Analysis of UAV for Storm and Flood Monitoring." Journal of the Korean Society of Surveying, Geodesy, Photogrammetry, and Cartography, Korean Society of Surveying, Geodesy, Photogrammetry, and Cartography, Vol. 28, No. 6, pp. 655-662 (in Korean).
  6. Kim, S., Shim, J., Sohn, H., and Yoo, H. (2006) "Natural Hazard Monitoring using Low-altitude Photogrammetric UAV." Proc. of The Autumn Congress of Korea Spatial Information Society, KSIS, pp. 221-226 (in Korean).
  7. Lee, D. (2006) "Estuary Riverbed Monitoring Combined by GPS and Echo Sounder." Journal of the Korean Geophysical Society, Korean Geophysical Society, Vol. 9, No. 2, pp. 105-112 (in Korean).
  8. Lee, J., Park, U., Yang, Y., and Kim, Y. (2005) "3D Modelling Shape Embodiment and Efficiency Analysis of Reservoir that using RTK-GPS and E/S." Journal of the Korean Society for GeoSpatial Information System, KSGSIS, Vol. 13, No. 1, pp. 11-17 (in Korean).
  9. Seo, J., Seo, D., and Lee, J. (2002) "Calculation of Reservoir Capacity by Combination of GPS and Echo Sounder." Journal of the Korean Society for GeoSpatial Information System, KSGSIS, Vol. 10, No. 1, pp. 27-35 (in Korean).