水深反演对于浅海地形调查、海岸带保护和开发具有重要的意义。本文选取南海东锣岛海域为研究区,采用SPOT-6 6 m高分辨率数据,基于SPOT-6多光谱数据和水深实测值分别建立蓝-绿、蓝-红等6个波段比值模型。结果显示,绿-红波段的比值模型精度最高,R2值达到0.706 4,这对于反演热带海洋地区水深具有一定借鉴意义。基于该模型的反演结果对不同水深范围内的平均相对误差进行比较,结果表明:0~5 m水深范围反演误差较高,主要由于该范围水体情况较复杂,5～10 m 水深范围内平均相对误差最小为13.62%,而随着水深的增加,反演的误差增大,分析误差的主要来源是海水中的悬浮颗粒物、黄色物质、叶绿素质量浓度等方面的影响。
Abstract
Retrieval of offshore bathymetry has important significance in shallow topographic survey, coastal protection and development. In this study, Dongluodao waters in South China Sea was taken as a typical study area, using the SPOT-6 6 m high resolution data, six band ratio model such as blue-green and blue-red were set up respectively based on SPOT-6 multi-spectral data and depth measured values. The results show that green-red band ratio model has the highest accuracy and the R2 value reaches 0.706 4. This has certain reference significance for retrieval of offshore bathymetry in tropical oceans. Comparing with the average relative error of the different depths range based on the above model, the conclusion is that the depth range from 0 to 5 m has the higher average relative error, mainly because the conditions are complex. The depth range from 5 to 10 m has a minimum average relative error of 13.62%. Accretion of the average relative error with the increasing of the depth, while SPM, CDOM and chlorophyll concentration are the main causes of this phenomenon.
关键词
水深反演 /
波段比值模型 /
误差分析 /
南海
Key words
bathymetry retrieval /
band ratio model /
error analysis /
South China Sea
{{custom_sec.title}}
{{custom_sec.title}}
{{custom_sec.content}}
参考文献
[1] LICEAGA-CORREA M A, EUAN-AVILA J I. Assessment of coralreef bathymetric mapping using visible Landsat Thematic Mapper data[J].INT J Remoting Sensing,2002,23(1):3-14.
[2] PAREDES J M, SPERO R E. Water depth mapping from passive remote sensing data under a generalized ratio assumption[J]. Applied Optics,1983,22(8):1 134-1 135.
[3] WANG Zheng, MAO Zhi-hua, ZENG Qun, et al. Comparative study on water depth remote sensing in Yellow Estuary based on BP ANN method and bottom albedo-independent bathymetry algorithm[J]. Journal of Central China Normal University: Nature Sciences,2016,50(1):112-119.
王正,毛志华,曾群,等.基于BP ANN和B算法的黄河口水深遥感比较研究[J].华中师范大学学报:自然科学版,2016,50(1):112-119.
[4] WANG Jing-jing, TIAN Qing-jiu. A research on coastal bathmetry retrieval from TM image[J]. Application Technology,2006(6):27-30.
王晶晶,田庆久.基于TM遥感图像的近海岸带水深反演[J].应用技术,2006(6):27-30.
[5] DENG Shu-bin. ENVI remote sensing image processing method[M]. Beijing: China Science Publishing,2010.
邓书斌.ENVI遥感图像处理方法[M].北京:科学出版社,2010.
[6] HAN Xiao-qing, SU yi, LI jing, et al. Atmospheric correction and veritification of the SPOT remote sensing image in coastal zones[J]. Geographical Research,2012,31(11):2 007-2 017.
韩晓庆,苏艺,李静,等.海岸带地区SPOT卫星影像大气校正方法比较及精度验证[J].地理研究,2012,31(11):2 007-2 017.
[7] ZHANG Zhen-xing, HAO Yao-ling. Satellite multi-spectral remote sensing inversion in shallow water detection[J]. Navigation of China,2012,35(1):13-18.
张振兴,郝燕玲.卫星遥感多光谱浅海水深反演法[J].中国航海,2012,35(1):13-18.
[8] YE Ming, LI Ren-dong, XU Guo-peng. Some research advance and methods on water-depth monitoring by multispectral images[J]. World SCI-TECH R&D,2007,29(2):76-79.
叶明,李仁东,许国鹏.多光谱水深遥感方法及研究进展[J].世界科技研究与发展,2007,29(2):76-79.
[9] LI Xian, CHEN Sheng-bo, WANG Xu-hui, et al. Study based on radioactive transfer model of the quantitative remote sensing of water bottom reflectance[J]. Journal of Jilin University: Earth Science Edition,2008,38(S1):235-237.
李先,陈圣波,王旭辉,等.基于辐射传输模型的水底反射率定量遥感反演研究[J].吉林大学学报:地球科学版,2008,38(S1):235-237.
[10] TENG Hui-zhong, MA Fu-cheng, LI Hai-bin, et al. The develop and model analysis of the retrieving sounding technology using satellite remote sensing[C]//Symposium on the twenty-first comprehensive marine mapping.2009.
滕惠忠,马福诚,李海滨,等.卫星遥感水深反演技术发展与模型分析[C]//第二十一届海洋测绘综合性学术研讨会论文集.2009.
[11] HUANG Wen-qian, WU Di, YANG Yang, et al. Multi-spectral remoting sensing water depth retrieval technique in shallow sea[J]. Ocean Technology,2013,32(2):43-46.
黄文骞,吴迪,杨杨,等.浅海多光谱遥感水深反演技术[J].海洋技术,2013,32(2):43-46.
[12] DI Kai-chang, DING Qian, CHEN Wei, et al. Shallow water depth extraction and chart production from TM images in NanSha Islands and nearby sea area[J]. Remote Sensing for Land & Resources,1999(3):59-64.
邸凯昌,丁谦,陈薇,等.南沙群岛海域浅海水深提取及影像海图制作技术[J].国土资源遥感,1999(3):59-64.
[13] LI Xue-jie, WAN Sheng-rong, HUANG Xiang-qing, et al. Bathymetry in coastal area by Landsat ETM: method and its application in Beibu Bay[J]. Gresearch of Eological South China Sea,2007(1):65-71.
李学杰,万荣胜,黄向青,等.Landsat ETM影像的近海水深反演方法及其在北部湾的应用[J].南海地质研究,2007(1):65-71.
[14] WANG Guo-xing, LI Shi-hong. Application of SPOT satellite data to the study of water depth information[J]. Journal of HoHai University,1998,26(6):77-81.
王国兴,李士鸿.SPOT卫星资料在水深信息中的应用研究[J].河海大学学报:自然科学版,1998,26(6):77-81.
[15] CAO Rui-xue, ZHANG Jie, MENG Jun-min. Comparison between models for calculation sea water depth using TM image data[J]. Advances in Marine Science,2004,22(suppl.):65-70.
曹瑞雪,张杰,孟俊敏.利用TM图像数据计算海水深度模型——以双子礁和黄河口水域为例[J].海洋科学进展,2004,22(增刊):65-70.
基金
中国地质调查局项目资助(GZH201100305);国家地质矿产调查评价项目资助(1212011087112)
PDF(2083 KB)
