Shipborne oceanic high-spectral-resolution lidar for accurate estimation of seawater depth-resolved optical properties
作者机构：Ningbo Research InstituteState Key Laboratory of Modern Optical InstrumentationCollege of Optical Science and EngineeringZhejiang UniversityHangzhou 310027China Intelligent Optics&Photonics Research CenterJiaxing Key Laboratory of Photonic Sensing&Intelligent ImagingJiaxing Research InstituteZhejiang UniversityJiaxing 314000China Univ.Littoral C?te d'OpaleCNRSUniv.LilleIRDUMR 8187-LOG-Laboratoire d'Océanologie et de GéosciencesF-62930 WimereuxFrance Institute of Marine Sciences(ISMAR)Italian National Research Council(CNR)Rome-Tor Vergata 00133Italy Sorbonne UniversitéCNRSLATMOS96 Boulevard de l'Observatoire06304 Nice CedexFrance Scuola di IngegneriaUniversitàdella BasilicataViale Ateneo Lucano 101-85100 PotenzaItaly Cooperative Institute for Research in Environmental SciencesUniversity of Colorado Boulder and NOAA Chemical Sciences Laboratory325 BroadwayBoulderCO 80305USA Institute of PhysicsNational Academy of Sciences of BelarusPr.Nezavisimosti 68-2Minsk 220072Belarus Key Laboratory for Ecological Environment in Coastal Areas(State Oceanic Administration)National Marine Environmental Monitoring CenterDalian 116023China CAS Key Laboratory of Tropical Marine Bio-Resources and EcologySouth China Sea Institute of OceanologyChinese Academy of SciencesGuangzhou 510301China School of Atmospheric Sciences and Guangdong Province Key Laboratory for Climate Change and Natural Disaster StudiesSun Yat-sen UniversityZhuhai 519000China Faculty of Technology and EnvironmentPrince of Songkla UniversityPhuket 83120Thailand Second Institute of OceanographyMinistry of Natural ResourcesHangzhou 310012China Ocean CollegeZhejiang UniversityZhoushan 316021China Donghai LaboratoryZhoushan 316021China
出 版 物：《Light(Science & Applications)》 (光（科学与应用)（英文版）)
年 卷 期：2022年第11卷第10期
页 面：2345-2357页
核心收录：
基 金：This study was supported by Excellent Young Scientist Program of Zhejang Provincial Natural Science Foundation of China(LR19D050001) National Key ResearchandDevelopment Programof China(2016YFC1400900) Fundamental Research Funds for the Central Universities(international team) Scientific Research Foundation for Talent Introduction(20201203Z0175,20201203Z0177)of Zhejiang University Ningbo Campus
摘 要：Lidar techniques present a distinctive ability to resolve vertical structure of optical properties within the upper water column at both day-and ***,accuracy challenges remain for existing lidar instruments due to the ill-posed nature of elastic backscatter lidar retrievals and multiple *** we demonstrate the high performance of,to the best of our knowledge,the first shipborne oceanic high-spectral-resolution lidar(HSRL)and illustrate a multiple scattering correction algorithm to rigorously address the above challenges in estimating the depth-resolved diffuse attenuation coefficient Kd and the particulate backscattering coefficient bbp at 532 *** data were collected during day-and night-time within the coastal areas of East China Sea and South China Sea,which are connected by the Taiwan *** include vertical profiles from open ocean waters to moderate turbid waters and first lidar continuous observation of diel vertical distribution of thin layers at a fixed *** root-mean-square relative differences between the HSRL and coincident in situ measurements are 5.6%and 9.1%for Kd and bbp,respectively,corresponding to an improvement of 2.7-13.5 and 4.9-44.1 times,respectively,with respect to elastic backscatter lidar *** oceanic HSRLs with high performance are expected to be of paramount importance for the construction of 3D map of ocean ecosystem.
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