H3Dv2.1 A0256, base clay isohypses 1

This layer gives the isohypes of the base of A0256, 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

本图层呈现弗拉芒基底水文地质三维模型（hydrogeological 3D model）2.1版中定义的A0256层底面等埋深等值线（isohypes）。该模型由弗拉芒政府代表弗拉芒环境署，依托其与VITO签订的名为VLAKO的管理协议框架编制而成。