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Data Details

Sentinel-2 LAI Validation Dataset of Winter Wheat in Yucheng, Shandong of China


WANG Zhengxing1LI Fang1
1 State Key Laboratory of Resources and Environmental Information System，Institute of Geographic Sciences and Natural Resources Research，Chinese Academy of Sciences，Beijing 100101，China

DOI:10.3974/geodb.2020.08.01.V1

Published:Nov. 2020

Visitors：9902       Data Files Downloaded：304      
Data Downloaded：16281.41 MB      Citations：

Key Words：

LAI,Sentinal-2,Field observation,Validation,Shandong,Yucheng,Winter Wheat

Abstract：

Leaf Area Index (LAI) is defined as the ratio of half total leaf surface area to the area of level ground, and is one of the key biophysical factors to characterize vegetation. Sentinel-2 LAI Validation Dataset of Winter Wheat in Yucheng, Shandong of China was developed based on the 107 points (field survey, May 9-16, 2020) to points (Sentinel-2 20200429, 20200519, LAI) validation between the LAISentinel (10m) and LAIfield in Yucheng, Shandong Province of China. The correlation analysis with five models showed that Coefficient of Determination (R²) ranged from 0.7249 to 0.767, suggesting 76.7% of the LAI variation in the field can be determined by LAISentinel in this region. The dataset includes: (1) LAI point data, including data in situ, LAI based on Sentinel-2, their difference, and the proportion of difference to the data in situ; (2) LAI based on Sentinel-2 data with 10 m resolution. The dataset is archived in .shp, .kmz, .tif and .xlsx data formats, and consists of 17 data files with data size of 215 MB (compressed into three files with 156 MB).

Foundation Item：

Ministry of Science and Technology of P. R. China (2016YFA0600201)

Data Citation：

WANG Zhengxing, LI Fang. Sentinel-2 LAI Validation Dataset of Winter Wheat in Yucheng, Shandong of China[J/DB/OL]. Digital Journal of Global Change Data Repository, 2020. https://doi.org/10.3974/geodb.2020.08.01.V1.

Data Product:

ID Data Name Data Size Operation
1 LAI_WinterWheat_P_2020_0509-0516.kmz 9.70KB
2 LAI_WinterWheat_P_2020_0509-0516.xlsx 20.76KB
3 LAI_WinterWheat_Yucheng202005.rar 160278.92KB
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