V. Lyalko, S. Dugin, O. Sybirtseva, Yelizaveta Dorofey, S. Golubov, G. Zholobak
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引用次数: 0
摘要
在2020-2021年期间进行了光谱-气体计量地面测量。结果表明,沿海苔草(Carex riparia)的5个植被指数REP (Red Edge Position)、Green NRDI (Normalized Difference vegetation Index)、Green MOD (Green Model)和Red MOD (Red Edge Model)对СО2浓度的存在响应更大,在Pearson下的相关系数为0.60 ~ 0.72。某些植被指数捕捉СО2浓度的变化,可推荐用于植被冠层的碳通量模型。来自大疆P4多光谱无人机、Parrot Bebop Pro Thermal和Sentinel-2卫星的数据与2021年5月25日的地面测量数据进行了比较。
Gas exchange for the plants on the example of coastal sedge and comparison with the materials of spectro-gasometric ground-based measurements from the UAV and the Sentinel-2 satellite
Spectro-gasometric ground-based measurements were carried out during 2020-2021. It was determined that five vegetation indices - REP (Red Edge Position), Green NRDI (Normalized Difference Vegetation Index), Green MOD (Green Model) and Red MOD (Red edge Model) are more responsive to the presence of СО2 concentration depending on leaf photosynthesis and leaf respiration of the coastal sedge (Carex riparia) with high correlation under Pearson from 0.60 to 0.72. Certain vegetation indices capture changes in СО2 concentration and can be recommended for use in carbon flux models for vegetation canopy. Data from DJI P4 Multispectral UAV, Parrot Bebop Pro Thermal and Sentinel-2 satellite compared to ground measurements on May 25, 2021.