基于VIIRS数据的南黄海区域激光测深性能评估

doi:10.3969/j.issn.1001-909X.2018.04.004

海洋学研究 ›› 2018, Vol. 36 ›› Issue (4): 28-34.DOI: 10.3969/j.issn.1001-909X.2018.04.004

基于VIIRS数据的南黄海区域激光测深性能评估

卢刚^1,2, 王宗伟^*1,2, 朱士才^1,2, 高磊^1,2, 王亚男^1,2

1.江苏省测绘工程院,江苏南京 210013;
2.卫星测绘技术与应用国家测绘地理信息局重点实验室,江苏南京 210013

收稿日期:2018-01-17 修回日期:2018-10-13 出版日期:2018-12-15 发布日期:2022-11-18
通讯作者: * 王宗伟(1988-),男,安徽宿州市人,工程师,主要从事摄影测量与遥感方向的应用研究。E-mail:wangzongwei328@163.com
作者简介:卢刚 (1980-),男,江苏泰州市人,高级工程师,主要从事摄影测量与遥感方向的应用研究。E-mail:4308425@163.com
基金资助:
测绘地理信息公益性行业科研专项经费项目资助(201512030)

Performance evaluation of laser bathymetry in the South Yellow Sea region based on VIIRS data

LU Gang^1,2, WANG Zong-wei^*1,2, ZHU Shi-cai¹, GAO Lei^1,2, WANG Ya-nan^1,2

1. Jiangsu Province Surveying and Mapping Engineering Institute, Nanjing 210013, China;
2. Key Laboratory of Satellite Mapping Technology and Application of National Mapping Geographic Information Bureau, Nanjing 210013, China

Received:2018-01-17 Revised:2018-10-13 Online:2018-12-15 Published:2022-11-18

摘要/Abstract

摘要： 机载激光测深技术因其特有的优势备受关注,但现阶段其探测能力有限,为解决其适用范围问题,本文利用VIIRS(Visible Infrared Imaging Radiometer Suite)数据对南黄海区域的激光测深性能进行评估,首先利用外业实测数据和卫星影像反演南黄海区域的490 nm波段漫衰减系数,其次建立490 nm和532 nm波段漫衰减系数之间的线性关系,最后以CZMIL(Coastal Zone Mapping and Imaging LiDAR)系统为例评估了南黄海区域激光测深能力,并给出了江苏沿岸海域CZMIL系统的适用范围。研究结果表明:CZMIL系统在南黄海区域的最大测深能力范围为0.5~40 m;理论最低潮面时,江苏沿海海域CZMIL系统的适用范围约为4 700 km²。

关键词: 机载LiDAR, CZMIL, VIIRS, 漫衰减系数, 南黄海区域, 测深性能

Abstract: Airborne laser bathymetry gets a lot of attention because of its unique advantages. But its detection capability is limited at present. In order to solve the problem of its applicability, VIIRS data were used to evaluate the performance of laser bathymetry in the South Yellow Sea region. Firstly, the diffuse attenuation coefficients of 490 nm band in the South Yellow Sea region were retrieved by using field measured data and satellite images. Secondly, the linear relationship between diffuse attenuation coefficients of 490 nm band and 532 nm band was established. Finally, taking CZMIL system as an example, the ability of laser bathymetry in the South Yellow Sea region was evaluated, and the applicable range of CZMIL system along the coast of Jiangsu Province was estimated. The results show that the maximum sounding capability of the CZMIL system in the South Yellow Sea region is about 0.5-40 meters, and the applicable range of CZMIL system in the coastal waters of Jiangsu Province is about 4 700 m² when the water surface is at the theoretical the lowest low water.

Key words: airborne LiDAR, CZMIL, VIIRS, diffuse attenuation coefficient, the South Yellow Sea, Sounding performance

中图分类号:

P715.7

卢刚, 王宗伟, 朱士才, 高磊, 王亚男. 基于VIIRS数据的南黄海区域激光测深性能评估[J]. 海洋学研究, 2018, 36(4): 28-34.

LU Gang, WANG Zong-wei, ZHU Shi-cai, GAO Lei, WANG Ya-nan. Performance evaluation of laser bathymetry in the South Yellow Sea region based on VIIRS data[J]. Journal of Marine Sciences, 2018, 36(4): 28-34.

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基于VIIRS数据的南黄海区域激光测深性能评估

Performance evaluation of laser bathymetry in the South Yellow Sea region based on VIIRS data

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