Hu Zhang
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View article: Can 3D model improve the accuracy of leaf chlorophyll content estimation using UAV and sentinel-2 data?
Can 3D model improve the accuracy of leaf chlorophyll content estimation using UAV and sentinel-2 data? Open
International audience
View article: Study on the Interaction Effect of Heavy Metal Cadmium in Soil–Plant System Controlled by Biochar and Nano-Zero-Valent Iron
Study on the Interaction Effect of Heavy Metal Cadmium in Soil–Plant System Controlled by Biochar and Nano-Zero-Valent Iron Open
The accumulation of heavy metal cadmium (Cd) in farmland soil in edible parts of crops seriously threatens plant growth, human health, and even the global ecological environment. Finding stabilization remediation technology is an important…
View article: The 10m-resolution global leaf chlorophyll content product using Sentinel-2 based on chlorophyll sensitive index CSI
The 10m-resolution global leaf chlorophyll content product using Sentinel-2 based on chlorophyll sensitive index CSI Open
Leaf chlorophyll content (LCC) is an essential biochemical parameter reflecting vegetation's photosynthetic activity. In the past five years, some global LCC remote sensing products have been generated, and play an important role in vegeta…
View article: Supplementary material to "The 10m-resolution global leaf chlorophyll content product using Sentinel-2 based on chlorophyll sensitive index CSI"
Supplementary material to "The 10m-resolution global leaf chlorophyll content product using Sentinel-2 based on chlorophyll sensitive index CSI" Open
View article: Soil and Microbial Biomass Response to Land-Use Changes in the Loess Plateau
Soil and Microbial Biomass Response to Land-Use Changes in the Loess Plateau Open
Vegetation restoration is a critical strategy for addressing ecosystem degradation globally. However, understanding the specific impacts of land-use changes, particularly the conversion of farmland to forestland and grassland, on soil nutr…
View article: Intercomparison and validation of five existing leaf chlorophyll content products over China
Intercomparison and validation of five existing leaf chlorophyll content products over China Open
Leaf chlorophyll content (LCC) is crucial in plant physiology and ecological research. Although several LCC products have recently been generated at a regional or global scale, understanding their accuracy is still a concern in the scienti…
View article: Regional Analysis of Dominant Factors Influencing Leaf Chlorophyll Content in Complex Terrain Regions Using a Geographic Statistical Model
Regional Analysis of Dominant Factors Influencing Leaf Chlorophyll Content in Complex Terrain Regions Using a Geographic Statistical Model Open
Chlorophyll is a vital indicator of vegetation growth; exploring its relationship with external influencing factors is essential for studies such as chlorophyll remote sensing retrieval and vegetation growth monitoring. However, there has …
View article: Can 3d Mock-Ups Improve the Accuracy of Leaf Chlorophyll Content Estimationusing Uav and Sentinel-2 Data?
Can 3d Mock-Ups Improve the Accuracy of Leaf Chlorophyll Content Estimationusing Uav and Sentinel-2 Data? Open
View article: Assessment of Forest Ecosystem Variations in the Lancang–Mekong Region by Remote Sensing from 2010 to 2020
Assessment of Forest Ecosystem Variations in the Lancang–Mekong Region by Remote Sensing from 2010 to 2020 Open
Five countries in the Lancang–Mekong region, including Myanmar, Laos, Thailand, Cambodia, and Vietnam, are facing the threat of deforestation, despite having a high level of forest coverage. Quantitatively assessing the forest ecosystem st…
View article: Global Comparison of Leaf Area Index Products over Water-Vegetation Mixed Heterogeneous Surface Network (HESNet-WV)
Global Comparison of Leaf Area Index Products over Water-Vegetation Mixed Heterogeneous Surface Network (HESNet-WV) Open
Spatial land surface heterogeneities are widespread at various scales and represent a great challenge to leaf area index (LAI) retrievals and product validations. In this paper, considering the mixed water and vegetation pixels prevalent a…
View article: A novel red‐edge spectral index for retrieving the leaf chlorophyll content
A novel red‐edge spectral index for retrieving the leaf chlorophyll content Open
The leaf chlorophyll content (Chl leaf ) is a crucial vegetation parameter in carbon cycle modelling and agricultural monitoring at local, regional and global scales. The red‐edge spectral region is sensitive to variations in Chl leaf. An …
View article: Estimating Leaf Area Index with Dynamic Leaf Optical Properties
Estimating Leaf Area Index with Dynamic Leaf Optical Properties Open
Leaf area index (LAI) plays an important role in models of climate, hydrology, and ecosystem productivity. The physical model-based inversion method is a practical approach for large-scale LAI inversion. However, the ill-posed inversion pr…
View article: Gap Filling for Historical Landsat NDVI Time Series by Integrating Climate Data
Gap Filling for Historical Landsat NDVI Time Series by Integrating Climate Data Open
High-quality Normalized Difference Vegetation Index (NDVI) time series are essential in studying vegetation phenology, dynamic monitoring, and global change. Gap filling is the most important issue in reconstructing NDVI time series from s…
View article: Estimating fractional vegetation cover from leaf area index and clumping index based on the gap probability theory
Estimating fractional vegetation cover from leaf area index and clumping index based on the gap probability theory Open
Gap probability theory provides a theoretical equation to calculate fractional vegetation cover (FVC). However, the main algorithms used in present FVC products generation are still the linear mixture model and machine learning methods. Th…
View article: Analysis of Extracting Prior BRDF from MODIS BRDF Data
Analysis of Extracting Prior BRDF from MODIS BRDF Data Open
Many previous studies have attempted to extract prior reflectance anisotropy knowledge from the historical MODIS Bidirectional Reflectance Distribution Function (BRDF) product based on land cover or Normalized Difference Vegetation Index (…
View article: Evaluation of BRDF Archetypes for Representing Surface Reflectance Anisotropy Using MODIS BRDF Data
Evaluation of BRDF Archetypes for Representing Surface Reflectance Anisotropy Using MODIS BRDF Data Open
Bidirectional reflectance distribution function (BRDF) archetypes extracted from the Moderate Resolution Imaging Spectroradiometer (MODIS) BRDF/Albedo product over the global Earth Observing System Land Validation Core Sites can be used to…