H3Dv2 A0189, isohypses of top Sterksel sand 2

This layer gives the isohypes of the A0189 top, as defined in the 3D hydrogeological model of the Flemish substrate. 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本图层呈现了弗拉芒基底三维水文地质模型中定义的A0189顶面等水头线（isohypes）。该三维水文地质模型由弗拉芒政府代表弗拉芒环境署，在与VITO签订的代号为VLAKO的管理协议框架下编制完成。