[HTML][HTML] Review of indirect optical measurements of leaf area index: Recent advances, challenges, and perspectives
Leaf area index (LAI) is a key parameter of vegetation structure in the fields of agriculture,
forestry, and ecology. Optical indirect methods based on the Beer-Lambert law are widely …
forestry, and ecology. Optical indirect methods based on the Beer-Lambert law are widely …
Characterizing land surface anisotropic reflectance over rugged terrain: A review of concepts and recent developments
Rugged terrain, including mountains, hills, and some high lands are typical land surfaces
around the world. As a physical parameter for characterizing the anisotropic reflectance of …
around the world. As a physical parameter for characterizing the anisotropic reflectance of …
[HTML][HTML] 山地森林叶面积指数(LAI) 遥感估算研究进展
贺敏， 闻建光， 游冬琴， 唐勇， 吴胜标， 郝大磊， 林兴稳… - 遥感学报, 2024 - ygxb.ac.cn
叶面积指数LAI (Leaf Area Index) 是表征植被几何结构及生长状态的重要生物物理参数,
也是陆表过程模型的重要输入参数, 如何获取高精度LAI 一直备受关注. 近年来 …
也是陆表过程模型的重要输入参数, 如何获取高精度LAI 一直备受关注. 近年来 …
Modeling canopy reflectance over sloping terrain based on path length correction
Sloping terrain induces distortion of canopy reflectance (CR), and the retrieval of biophysical
variables from remote sensing data needs to account for topographic effects. We developed …
variables from remote sensing data needs to account for topographic effects. We developed …
Modeling discrete forest anisotropic reflectance over a sloped surface with an extended GOMS and SAIL model
Topographic effects on canopy reflectance play a pivotal role in the retrieval of surface
biophysical variables over rugged terrain. In this paper, we proposed a new canopy …
biophysical variables over rugged terrain. In this paper, we proposed a new canopy …
A simulation-based analysis of topographic effects on LAI inversion over sloped terrain
Topography significantly complicates the radiative transfer process of vegetation and further
causes variation in reflectance observed by remote sensors. Leaf area index (LAI) inversion …
causes variation in reflectance observed by remote sensors. Leaf area index (LAI) inversion …
Evaluating the impact of sampling schemes on leaf area index measurements from digital hemispherical photography in Larix principis-rupprechtii forest plots
Background Digital hemispherical photography (DHP) is widely used to estimate the leaf
area index (LAI) of forest plots due to its advantages of high efficiency and low cost. A crucial …
area index (LAI) of forest plots due to its advantages of high efficiency and low cost. A crucial …
Comparative evaluation of algorithms for leaf area index estimation from digital hemispherical photography through virtual forests
The in situ leaf area index (LAI) measurement plays a vital role in calibrating and validating
satellite LAI products. Digital hemispherical photography (DHP) is a widely used in situ …
satellite LAI products. Digital hemispherical photography (DHP) is a widely used in situ …
Path length correction for improving leaf area index measurements over sloping terrains: A deep analysis through computer simulation
The in situ measurement of the leaf area index (LAI) from gap fraction is often affected by
terrain slope. Path length correction (PLC) is commonly used to mitigate the topographic …
terrain slope. Path length correction (PLC) is commonly used to mitigate the topographic …
Smartphone digital photography for fractional vegetation cover estimation
Accurate ground measurements of fractional vegetation cover (FVC) are key for
characterizing ecosystem functions and evaluating remote sensing products. The increasing …
characterizing ecosystem functions and evaluating remote sensing products. The increasing …