激光雷达技术在叶面积指数提取中的研究进展  

Research Progress of Lidar Technology in Leaf Area Index Extraction

作　　者：丁铭铭 包广道[2] 刘婷 禹东彬 林灿 姜雪菲 翟畅 DING Ming-ming;BAO Guang-dao;LIU Ting(Changchun University,Changchun,Jilin 130022;Jilin Academy of Forestry Science,Changchun,Jilin 130031)

机构地区：[1]长春大学,吉林长春130022 [2]吉林省林业科学研究院,吉林长春130031 [3]吉林云信空间科技有限公司,吉林长春130119 [4]北京林业大学,北京100083

出　　处：《安徽农业科学》2023年第13期1-7,共7页Journal of Anhui Agricultural Sciences

基　　金：吉林省自然科学基金项目(YDZJ202201ZYTS446);吉林省自然科学基金项目(202201-01315JC);吉林省发改委创新能力建设项目(2021C044-9);吉林省科技发展计划项目(20200602006ZP);吉林省科技发展计划项目(YDZJ202102CXJD046);吉林省科技厅重点研发项目(20230202098NC)。

摘　　要：叶面积指数(LAI)是观测植被生态的重要参数之一,快速、精准获取大尺度的LAI对发展精准林业至关重要。激光雷达技术(LiDAR)能够准确探测植被空间和地形的三维结构,特别是对植被垂直信息分布的获取,具有传统光学遥感技术无法比拟的优势,在森林参数的测量与反演上已经取得了成功的应用。介绍了激光雷达技术原理、传统测量LAI的技术方法及LiDAR反演LAI的优势,重点分析了LiDAR反演LAI的关键技术研究和LiDAR在反演LAI应用中的研究进展,并对LiDAR存在的问题和未来的发展趋势进行了分析总结。Leaf area index(LAI)is one of the important parameters for observing vegetation ecology,how to quickly and accurately obtain large-scale LAI is crucial to the development of precision forestry.Light Detection And Ranging(LiDAR)can accurately detect the three-dimensional structure of vegetation space and terrain,especially the acquisition of vertical information distribution of vegetation,has incomparable advantages over traditional optical remote sensing technology,it has been successfully applied in the measurement and inversion of forest parameters.This paper introduces the principle of lidar technology,traditional measurement LAI techniques and advantages of LiDAR LAI inversion,the key techniques of LiDAR LAI inversion and research progress of LiDAR in LAI inversion were analyzed.Finally,the existing problems and future development trends of LiDAR are analyzed and summarized.

关 键 词：叶面积指数 星载激光雷达 机载激光雷达 地基激光雷达 激光雷达处理技术 

分 类 号：S771.8[农业科学—森林工程]