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    Agricultural water balance in the polder Scheidgraben (Brandenburg)
    (Berlin ; Heidelberg : Springer, 2022) Drastig, Katrin; Schmidtke, Lea; Jacobs, Helen; Recker, Martin
    A predicted increase in water demand for irrigated agriculture in the wake of climate change, and the threat of more extensive periods of drought, poses a challenge to the availability of groundwater resources in Germany. In this study, water availability and water withdrawal for agricultural irrigation are calculated for the polder Scheidgraben (Brandenburg). The agricultural water demand in the Scheidgraben polder is modeled using the AgroHyd Farmmodel. Climate data, soil data, plant-specific data and operating data of all farms in the polder are used as a data basis. In the dry years 2018 and 2019, more than 20% of the potentially available water in the Scheidgraben polder was used for irrigation. The use of water resources by agricultural water withdrawals in the area may increasingly be a problem in the future. In some regions of Brandenburg, region-specific calculations for water management are necessary due to a wide range of conflicts and thus steadily increasing challenges for water authorities.