南海三亚湾鹿回头海域风信子鹿角珊瑚反射率分析

doi:10.11978/j.issn.1009-5470.2015.01.010

热带海洋学报 ›› 2015, Vol. 34 ›› Issue (1): 71-76.doi: 10.11978/j.issn.1009-5470.2015.01.010CSTR: 32234.14.j.issn.1009-5470.2015.01.010

南海三亚湾鹿回头海域风信子鹿角珊瑚反射率分析

陈标^{1, 2}, 陈永强^{1, 3}, 黄晖^{1, 3}, 谢强^{4, 5}, 江玉凤^{1, 2}, 雷新明¹, 江雷^{1, 2}, 张诗泽^{1, 2}, 周国伟^{1, 3}

1. 中国科学院热带海洋生物资源与生态重点实验室, 广东广州 510301;
2. 中国科学院大学, 北京100049;
3. 中国科学院海南热带海洋生物重点实验站, 海南三亚 572000;
4. 热带海洋环境国家重点实验室(中国科学院南海海洋研究所), 广东广州 510301; 5. 中国科学院三亚深海科学与工程研究所, 海南三亚 572000;

收稿日期:2013-08-23 修回日期:2014-06-19 出版日期:2015-02-10 发布日期:2015-02-10
作者简介:陈标(1987~),男,河北省保定市人,硕士研究生,主要从事珊瑚反射率识别研究。E-mail: chen.28.happy@163.com
基金资助:
国家科技支撑计划项目(2012BAC19B08); 海洋公益性行业科研专项经费项目(201305030-3); 国家青年基金项目(41306144、41406186)

Analysis of reflectance by Acropora hyacinthus in Luhuitou, Sanya of the South China Sea

CHEN Biao, CHEN Yong-qiang, HUANG Hui, XIE Qiang, JIANG Yu-feng, LEI Xin-ming, JIANG Lei, ZHANG Shi-ze, ZHOU Guo-wei

1. Key Laboratory of Tropical Marine Bio-resources and Ecology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301;
2. University of Chinese Academy of Sciences, Beijing 100049;
3. National Experiment Station of Tropical Marine Biology, Hainan Island, Sanya 572000;
4. State Key Laboratory of Tropical Oceanography (South China Sea Institute of Oceanology, Chinese Academy of Sciences), Guangzhou 510301; 5. Sanya Institute of Deep-Sea Science and Engineering, Chinese Academy of Sciences, Sanya 572000;

Received:2013-08-23 Revised:2014-06-19 Online:2015-02-10 Published:2015-02-10
Contact: 黄晖。E-mail: huanghui@scsio.ac.cn

摘要/Abstract

摘要： 珊瑚礁反射率特征识别工作的开展, 将促进遥感技术在珊瑚礁监测与管理中的应用。国外已有学者对特定区域不同珊瑚礁底质反射率进行识别分类, 而我国珊瑚礁反射率特征研究尚未见诸报道, 亟须相关研究来弥补这一空白。文章以南海三亚湾鹿回头海域常见风信子鹿角珊瑚Acropora hyacinthus为主要研究对象, 利用光谱仪测量其反射率。分析发现健康风信子鹿角珊瑚反射率在575、605、650nm处出现特征波峰; 死亡风信子鹿角珊瑚反射率明显高于健康风信子鹿角珊瑚反射率。利用大型多元统计软件PRIMER 6对健康风信子鹿角珊瑚、死亡风信子鹿角珊瑚、珊瑚礁底砂进行Bray-Curtis相似聚类(CLUSTER)分析, 结果显示, 在80%相似水平上可以对其进行区分。一阶导数分析表明健康与死亡风信子鹿角珊瑚敏感波段为490~560nm。

关键词: 三亚, 风信子鹿角珊瑚, 反射率分析

Abstract: An application of remote sensing in monitoring and management of coral was developed with reflectance identification of coral substrate. Some foreign scholars have discriminated reflectance of coral substrate, while the reflectance of different coral substrate discrimination in the South China Sea did not exist. This study explored reflectance of Acropora hyacinthus at Luhuitou Sanya using spectrum instrument. Healthy Acropora hyacinthus exhibited positive reflectance features at 570, 600 and 650 nm. Reflectance by dead Acropora hyacinthus was obviously higher than that by healthy Acropora hyacinthus, and did not jave positive reflectance features. The differential analysis of coral substrate reflectance use PRIMER6 software packages Clustering. Healthy Acropora hyacinthus reflectance, dead Acropora hyacinthus reflectance and sand reflectance can be distinguished at the level of 80% Bray-Curits similarity. Based on reflectance derivative analysis, the first derivative of reflectance between 490 and 560 nm provided good identification of healthy and dead Acropora hyacinthus.

Key words: Sanya, Acropora hyacinthus, reflectance analysis

陈标, 陈永强, 黄晖, 谢强, 江玉凤, 雷新明, 江雷, 张诗泽, 周国伟. 南海三亚湾鹿回头海域风信子鹿角珊瑚反射率分析[J]. 热带海洋学报, 2015, 34(1): 71-76.

CHEN Biao^{1, 2}, CHEN Yong-qiang^{1, 3}, HUANG Hui^{1, 3}, XIE Qiang^{4, 5}, JIANG Yu-feng^{1, 2}, LEI Xin-ming¹, JIANG Lei^{1, 2}, ZHANG Shi-ze^{1, 2}, ZHOU Guo-wei^{1, 3}. Analysis of reflectance by Acropora hyacinthus in Luhuitou, Sanya of the South China Sea[J]. Journal of Tropical Oceanography, 2015, 34(1): 71-76.

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南海三亚湾鹿回头海域风信子鹿角珊瑚反射率分析

Analysis of reflectance by Acropora hyacinthus in Luhuitou, Sanya of the South China Sea

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