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A web-based GIS platform supporting innovative irrigation management techniques at farm-scale for the Mediterranean island of Crete

Kourgialas Nektarios, Hliaoutakis Angelos, Argyriou Athanasios V., Morianou Giasemi, Voulgarakis Apostolos, Kokinou, Eleni, Daliakopoulos Ioannis, Kalderis, Dimitrios 1975-, Tzerakis Konstantinos, Psarras Georgios, Papadopoulos Nikos G., Manios Thrassyvoulos, Vafeidis Antonios, Soupios, Pantelis, 1973-

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Year 2022
Type of Item Peer-Reviewed Journal Publication
Bibliographic Citation N. N. Kourgialas, A. Hliaoutakis, A. V. Argyriou, G. Morianou, A. E. Voulgarakis, E. Kokinou, I. N. Daliakopoulos, D. Kalderis, K. Tzerakis, G. Psarras, N. Papadopoulos, T. Manios, A. Vafidis, and P. Soupios, “A web-based GIS platform supporting innovative irrigation management techniques at farm-scale for the Mediterranean island of Crete,” Sci. Total Environ., vol. 842, Oct. 2022, doi: 10.1016/j.scitotenv.2022.156918.
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The aim of this paper is the creation of an integrated and free-access web platform for parcel irrigation water management on a large spatial scale (Water District of Crete, in Greece) in order to: a) accurately determine the irrigation needs of the main crops for Crete such as olives, citrus, avocados and vineyards, b) design strategies, for optimal adaptation of the agricultural sector in the context of climate change, and c) incorporate the dynamic integration of the above information through the creation of a digital platform. In the proposed decision-making system, essential factors are taken into account, such as real-time meteorological data, information about the type and spatial distribution of the agricultural parcels in Crete, algorithms for calculation crop evapotranspiration per development stage and age of the crops, satellite remote sensing techniques in combination with field surveys to depict accurate soil texture map for the whole island of Crete as well as sustainable cultivation practices for saving water per crop and parcel geomorphology. Based on the proposed decision-making system, users will have the opportunity in any specific location/farm in Crete to know the irrigation needs of the crops in real-time and obtain information about proper climate-water adaptation practices. The main novelty points of the proposed platform include the derivation of parcel-level soil texture data from Sentinel-2 satellite imagery and field samples, the comprehensiveness of the irrigation management information, the relatively low data requirements and the application interface simplicity provided to the end-user.