基于无人机高光谱影像的农田土壤有机碳含量估算——以湟水流域农田为例

宋奇, 高小红, 宋玉婷, 黎巧丽, 陈真, 李润祥, 张昊, 才桑洁

Estimation of soil organic carbon content in farmland based on UAV hyperspectral images: A case study of farmland in the Huangshui River basin

SONG Qi, GAO Xiaohong, SONG Yuting, LI Qiaoli, CHEN Zhen, LI Runxiang, ZHANG Hao, CAI Sangjie

表1 SOC描述性统计

Tab.1 Descriptive statistics of soil organic carbon

采样区域 样本数 最大值/(g·kg-1) 最小值/(g·kg-1) 平均值/(g·kg-1) 标准差/(g·kg-1) 变异系数/% 偏度 峰度 A区 66 33.35 22.88 28.38 2.84 10.01 0.13 -1.32 B区 126 17.48 11.13 13.75 1.28 9.31 0.54 0.39 C区 104 14.36 4.79 8.63 1.51 17.50 0.49 1.51