| Liu Baoyin,Wang Yanfeng,Gao Junguo,Hao Qingxiang. 1999. The remote sensing composite information entropyand types of Nansha coral reef atolls. Acta Oceanologica Sinica, (3):389－400 |
| The remote sensing composite information entropyand types of Nansha coral reef atolls |
| The remote sensing composite information entropyand types of Nansha coral reef atolls |
| Received:May 08, 1998 Revised:November 15, 1998 |
| DOI： |
| Key words:Nansha Islands remote sensing information information entropy growth index atoll's types |
| 中文关键词: Nansha Islands remote sensing information information entropy growth index atoll's types |
| 基金项目:This study was supported by the National Natural Science Foundation of China under contract No.49571054. |
| Author Name | Affiliation | | Liu Baoyin | First Institute of Oceanography, State Oceanic Administration, Qingdao 266003, China | | Wang Yanfeng | First Institute of Oceanography, State Oceanic Administration, Qingdao 266003, China | | Gao Junguo | First Institute of Oceanography, State Oceanic Administration, Qingdao 266003, China | | Hao Qingxiang | Nanjing University, Nanjing 210093, China |
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| Abstract: |
| In the viewpoint that the coral reef atolls' growth index of the Nansha Islands is influenced by many factons,the measured remote sensing composite information including some mutually related factors is divided into 10 geographic events as N1,N2…,N10,and the analysis of the atolls' infomation entropy is made.From the value of the entropy,the closed related factors with the index of the emerged atolls are shown.In proper order,the factors are reef top's area(0.319),lagoon's area(0.324),open-degree of atoll(0.336),trend of atoll(0.551).On the basis of this work,a new description function of the emerged atoll growth index is proposed.This function can be used to identify the open type of Nansha atoll growth. |
| 中文摘要: |
| In the viewpoint that the coral reef atolls' growth index of the Nansha Islands is influenced by many factons,the measured remote sensing composite information including some mutually related factors is divided into 10 geographic events as N1,N2…,N10,and the analysis of the atolls' infomation entropy is made.From the value of the entropy,the closed related factors with the index of the emerged atolls are shown.In proper order,the factors are reef top's area(0.319),lagoon's area(0.324),open-degree of atoll(0.336),trend of atoll(0.551).On the basis of this work,a new description function of the emerged atoll growth index is proposed.This function can be used to identify the open type of Nansha atoll growth. |
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