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地理科学  2014 

红壤侵蚀区马尾松林碳储量估算的遥感植被指数选择——以长汀河田地区为例

, PP. 870-875

Keywords: 红壤侵蚀区,长汀河田地区,碳储量,马尾松,遥感植被指数

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Abstract:

以福建省长汀县河田地区为研究区,在野外样方生物量调查和典型植被光谱测定基础上,对比分析SPOT5影像8种植被指数与马尾松林(Pinusmassoniana)碳储量关系,估算区域尺度马尾松林碳储量。结果表明,马尾松林冠层与林下植被芒萁(Dicranopterisdichotoma)在短波红外波段(SWIR)反射率区分明显。加入SWIR的修正的归一化植被指数(MNDVI)与森林碳储量回归决定系数最高,并有较小的均方根误差,同时可减少林下植被覆盖对马尾松林碳储量估算影响。生态恢复驱动下研究区平均碳储量增加到30.37t/hm2。

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