H3Dv2.1 A0152, base Zand-lemige coatings isohypses

This layer gives the isohypes of the base of A0152, as defined in the hydrogeological 3D model of the Flemish substrate – version 2.1. The hydrogeological 3D model was drawn up in the framework of the Flemish Government’s management agreement with VITO, known as VLAKO, on behalf of the Flemish Environmental Agency本图层展示了A0152层底面的等高程等值线（isohypes），该等值线的定义基于版本2.1的法兰德斯基底水文地质三维模型。此水文地质三维模型由法兰德斯环境署委托，依据法兰德斯政府与VITO（简称VLAKO）签订的管理协议框架编制完成。