Technical Note: Multispectral lidar time series of pine canopy chlorophyll content

[摘要] We present an empirical application of multispectral laser scanning formonitoring the seasonal and spatial changes in pine chlorophyll (a + b)content and upscaling the accurate leaf-level chlorophyll measurements intobranch and tree level. The results show the capability of the new instrumentfor monitoring the changes in the shape and physiology of tree canopy: thespectral indices retrieved from the multispectral point cloud agree withlaboratory measurements of the chlorophyll a and b content. The approachopens new prospects for replacing destructive and labour-intensive manualsampling with remote observations of tree physiology.

[学科分类] 地球化学与岩石