Today, optical satellites observe the entire surface of the Earth at weekly intervals and measure the reflectance of sunlight at multiple spectral wavelengths. The such amassed data could be used for large scale satellite-based vegetation identification.
The identification of crop types form spaceborne imagery is an important component of agricultural monitoring. Assessing the cultivated crop types early in the season allows for estimating the expected crop yield at large scale. Such analyses at different regional or temporal scales may in future help estimate, prevent the effect of anomalous events, such as droughts, pests, and provide tools for regulatory supervision as well.
Problem Statement & Analytical Goal
Regular satellite image coverage allows for the monitoring of vegetation at discrete time intervals at spatial resolutions of 10m-60m.
The objective is to accurately classify a set of defined crop type categories in the agricultural parcels in multiple regions in Brittany, France.
Data set: The dataset comprises field parcels information in the Region of Brittany (Brétagne) France, of the season 2017, organized at a regional level by the Nomenclature des unités territoriales statistiques (NUTS). Brittany’s NUTS-2 region is further divided into the four NUTS-3 regions (Cotes-d’Armor, Finistere, Ille-et-Vilaine, Morbihan).
Data Quality Issues: positive bias by clouds caused systematically positive outliers in the image data.
The Common Agricultural Policy of the European Union subsidizes farmers based on the cultivated crops.
Each member country is required to gather geographical information of geometry and cultivated crop.
This information is obtained from the farmers themselves by surveys within the subsidy application process.
National agencies monitor the correctness either by gathering control samples on-site or by means of remote sensing and Earth observation.
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