Coastal wetland investigations by airborne LiDAR: A case study in the Yellow River Delta, China | |
Ding, Qiong1; Chen, Wu1; King, Bruce Anthony1; Chen, Yongqi1; Liu, Yanxiong2; Zhang, Hande3 | |
刊名 | Marine Technology Society Journal |
2011-09 | |
卷号 | 45期号:5页码:59-70 |
关键词 | LiDAR coastal wetland DTM vegetation channel network |
ISSN号 | 00253324 |
DOI | 10.4031/MTSJ.45.5.6 |
英文摘要 | Coastal wetlands are considered the most biologically diverse of all ecosystems. Understanding their structures and functions is important for coastal environmental management and development. Airborne LiDAR (Light Detection and Ranging) has emerged as an effective tool for creating high-resolution digital surface models (DSM, highest elevation points) and digital terrain models (DTM, ground only points), which are vital geographic information sources for various applications in coastal areas, and investigating spatial patterns of vegetation in areas that are difficult to access. This paper investigates LiDAR's capability for mapping marine wetlands, extracting vegetation and channel networks, and identifying intertidal zones. The Yellow River Delta, China, was selected as a study site to conduct experiments. With only a 4.5-h flight, an area of more than 670 km2was surveyed with great detail. High-resolution DSMs and DTMs were generated, the vegetation coverage and heights were extracted using methods based on height and multireturn and the results were compared, and the water and tidal channels, which reflect the complete water transport system in the area, were mapped and measured. By combining LiDAR data and local tidal observations, the intertidal zone, which is a significant part of coastal wetlands, is clearly identified. |
资助项目 | The Hong Kong Polytechnic University[1-ZV63] |
WOS研究方向 | Engineering ; Oceanography |
语种 | 英语 |
出版者 | MARINE TECHNOLOGY SOC INC |
WOS记录号 | WOS:000296948200007 |
内容类型 | 期刊论文 |
源URL | [http://ir.fio.com.cn:8080/handle/2SI8HI0U/6804] |
专题 | 业务部门_海岛海岸带研究中心 |
作者单位 | 1.Department of Land Surveying and Geo-Informatics, Hong Kong Polytechnic University, Hong Kong; 2.Center of Oceanic Engineering Environment and Geomatics, The First Institute of Oceanography, Qingdao, China; 3.North China Sea Airborne Detachment of China Marine Surveillance, Qingdao, China |
推荐引用方式 GB/T 7714 | Ding, Qiong,Chen, Wu,King, Bruce Anthony,et al. Coastal wetland investigations by airborne LiDAR: A case study in the Yellow River Delta, China[J]. Marine Technology Society Journal,2011,45(5):59-70. |
APA | Ding, Qiong,Chen, Wu,King, Bruce Anthony,Chen, Yongqi,Liu, Yanxiong,&Zhang, Hande.(2011).Coastal wetland investigations by airborne LiDAR: A case study in the Yellow River Delta, China.Marine Technology Society Journal,45(5),59-70. |
MLA | Ding, Qiong,et al."Coastal wetland investigations by airborne LiDAR: A case study in the Yellow River Delta, China".Marine Technology Society Journal 45.5(2011):59-70. |
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