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Spectral Analysis and Retrieval of Soil Organic Matter in Coastal Zone of Laizhou Bay
Authors
唐家奎
张成雯
+3 more
李勇志
王德强
王春磊
Publication date
1 January 2012
Publisher
Abstract
利用土壤光谱反射率预测海岸带典型土壤有机质含量。对莱州湾海岸带典型地区97个土壤样本的光谱反射率特性进行分析;把光谱曲线划分为4个区域;提取每个区域的代表性特征参数;与土壤有机质含量进行相关性分析;最终选用458~587.1nm区间的挠度(相关系数达0.87)作为自变量进行模型回归;并利用均方根误差(RMSE)和预测残差(RPD)进行模型检验与评价。结果表明;以458~587.1nm区间的挠度作为自变量建立的对数函数预测模型具有较高的精度和稳定性;经验证计算出其RMSE为0.39;RPD为2.5;该模型应用效果较好
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Institutional Repository of Yantai Institute of Coastal Zone Research, CAS
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oai:ir.yic.ac.cn:133337/26949
Last time updated on 24/06/2021
Institutional Repository of Yantai Institute of Coastal Zone Research, CAS
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:ir.yic.ac.cn:133337/5892
Last time updated on 18/09/2018