集成高分辨率UAV影像与激光雷达点云的亚热带森林林分特征反演

许子乾, 曹林, 阮宏华, 李卫正, 蒋圣

Inversion of subtropical forest stand characteristics by integrating very high resolution imagery acquired from UAV and LiDAR point-cloud

XU Zi-Qian,CAO Lin,RUAN Hong-Hua,LI Wei-Zheng,JIANG Sheng

表1 江苏省林地征占用调查一元材积公式

Table 1 One-variable volume equation for stand volume in Jiangsu Province

树种 Tree species 公式 Formula 备注 Remark 杉木 Cunninghamia lanceolata V = A × DB × (E × D + G × lgD)C A = 0.000058777042, B = 1.9699831 C = 0.89646157, E = -2.2426 F = 0.2021, G = 6.6922 水杉 Metasequoia glyptostroboides V = A × DB × ((E + F × e (G × D))H)C A = 0.000058777042, B = 1.9699831 C = 0.89646157, E = 1.000438 F = -0.00024755, G = -0.07897864 H = 7101.252 侧柏 Platycladus orientalis A = 0.000091972184, B = 1.8639778 C = 0.83156779, E = 1.000084 F = -0.0000671125, G = -0.1223273 H = 29416.66 林分阔1 Broadleaf 1 (杨 Populus、栎 Quercus) A = 0.000050479055, B = 1.9085054 C = 0.99076507, E = 0.9236004 F = 0.0502109, G = -0.09686479 H = -37.80742 林分阔2 Broadleaf 2 (刺槐 Robinia pseudoacacia、刺桐Erythrina variegata、柳 Salix、杂 Other) A = 0.000050479055, B = 1.9085054 C = 0.99076507, E = 6.569053 F = -4.565682, G = -0.03200782 H = 1.697762