SCSIO OpenIR  > 中科院海洋生物资源可持续利用重点实验室
Reflectance Analysis of Scleractinian Coral , Ulva and Coral Rubble in Luhuitou Sanya Bay
Chen Yong-qiang; Chen Biao2; Lei Xin-ming; Huang Hui1
2019
Source PublicationSPECTROSCOPY AND SPECTRAL ANALYSIS
ISSN1000-0593
Volume39Issue:2Pages:500
AbstractReflectance spectra of eight common scleractinian coral species were chosen to represent the reflectance of corals in the sea area of Luhuitou Sanya Bay in the north-western South China Sea (SCS). Reflectance spectra of these scleractinian corals, ulva and coral rubble were measured using a fiber spectrometer. Then spectral reflectance analysis and derivative spectroscopy were used to study the difference in the reflectance spectrum between reef building scleractinian coral, ulva and coral rubble in this sea area. The results showed that reflectance peak of ulva appeared at 561. 4 nm, and its value was as high as 48%; reflectance difference of ulva and scleractinian coral was very significant in 500 similar to 700 nm; reflectance of coral rubble was significantly higher than that of coral reflectance spectrum with significant differences. Derivative analysis results showed that the distinguishable bands of scleractinian coral, ulva and coral rubble were as follows: scleractinian coral and ulva, first order derivatives are mainly in 485 similar to 487, 505 similar to 510, 515 similar to 529, 559 similar to 578, 587 similar to 593, 598 similar to 603 and 667 similar to 670 nm bands. The second order derivatives are mainly in 494.4 similar to 505. 7, 524 similar to 534.5, 543.6 similar to 561.4 and 567.2 similar to 579.7 nm bands. The fourth order derivatives are mainly in 515.8 similar to 430, 621 similar to 627.1, 628.8 similar to 635.6, 639.3 similar to 645, 661.8 similar to 669.8, and 678.4 similar to 682.4 nm. First order derivatives of scleractinian coral and coral rubble are mainly in 400 similar to 413.7, 414 similar to 418, 484.8 similar to 486.9, 506 similar to 509.6, 514.5 similar to 528.9, 576.9 similar to 587.6 and 602.7 similar to 653.4 nm bands. The second order derivatives are mainly in 451.6 similar to 461.6, 564.5 similar to 570.7 and 677 similar to 685 nm. The fourth order derivatives are mainly in 412.6 similar to 425.3, 459.8 similar to 467, 467.7 similar to 470.6, 535.6 similar to 540.8, 583.8 similar to 591.4, 654.4 similar to 659.8 and 670.8 similar to 680 nm bands.
DepartmentLMB
KeywordLu Huitou Sanya Bay Scleractinian coral Ulva Coral rubble Reflectance spectrum
DOI10.3964/j.issn.1000-0593(2019)02-0500-06
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/17907
Collection中科院海洋生物资源可持续利用重点实验室
Affiliation1.Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Trop Marine Bioresources & Ecol, Guangzhou 510301, Guangdong, Peoples R China
2.Natl Expt Stn Trop Marine Biol, Sanya 572000, Peoples R China
3.Jining 1 Peoples Hosp, Jining 272111, Peoples R China
Recommended Citation
GB/T 7714
Chen Yong-qiang,Chen Biao,Lei Xin-ming,et al. Reflectance Analysis of Scleractinian Coral , Ulva and Coral Rubble in Luhuitou Sanya Bay[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS,2019,39(2):500, 505.
APA Chen Yong-qiang,Chen Biao,Lei Xin-ming,&Huang Hui.(2019).Reflectance Analysis of Scleractinian Coral , Ulva and Coral Rubble in Luhuitou Sanya Bay.SPECTROSCOPY AND SPECTRAL ANALYSIS,39(2),500.
MLA Chen Yong-qiang,et al."Reflectance Analysis of Scleractinian Coral , Ulva and Coral Rubble in Luhuitou Sanya Bay".SPECTROSCOPY AND SPECTRAL ANALYSIS 39.2(2019):500.
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