Description This dataset contains : NDVI data obtained with a UAV in the Seine and the Loire estuaries, associated with microphytobenthos (MPB), from estuarine mudflats. Four sites were studied: Vasière Nord (VN) in the Seine estuary Lillebone in the Seine estuary Le Trait (Le_Trait) in the Seine estuary Corsept in the Loire estuary A script that aggregates data at larger scales and calculates the following at all scales: (1) scaling bias (Garrigues et al., 2006); (2) intra-pixel variance; (3) inter-pixel variance; (4) averaged NDVI. The outputs of the script in .csv format. This work is associated with a scientific article in preparation. Data structure . ├── INPUTS/ │ ├── TIFF_data/ │ └── SHP_mask/ ├── OUTPUTS/ └── script.R INPUTS/ contains all the files necessary to the script.R TIFF_data/ contains all the NDVI data in .tif format. The images were acquired using a DJI M3M and processed using DJI Terra. The files are labelled [site]_[campaign label]. SHP_mask/ contains all the .shp files (along with their associated .cpg, .dbf, .prj and .shx files) that were used to mask the mudflats in the previous .tif files. The files are labelled crop_[site]. OUTPUTS/ contains all the .csv files with the four calculated variables that depend on the aggregation factor (which is directly linked to the resolution). The script.R file is commented directly within the file itself. Data description n is the factor of aggregation (unitless) res is the resolution corresponding to the factor of aggregation n (with res = n*resolution from the raw data) (in m) eta_v is the scaling bias (in %) mean_var_0_v is the mean of the NDVI intra-pixel variance (unitless) var_v_flight is the NDVI inter-pixel variance (unitless) mean_v is the mean of NDVI (unitless)