H3Dv2.1 A1013, isopachen Zand of Grandglise

This layer represents the A1013 isopachen, 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本图层对应佛兰德斯基底水文地质三维模型（版本2.1）中定义的A1013等厚单元（isopachen）。该水文地质三维模型系佛兰德斯政府代表佛兰德斯环境署，依据其与VITO签署的VLAKO管理协议框架编制而成。