1:50000 scale Hydrographic Map, M-33-47-B, OLAWA

The Hydrographic Map is a thematic map depicting in a synthetic approach the conditions of water circulation in connection with the natural environment, its investment and transformation. It is created on the basis of a topographic map on which the results of field mapping of water phenomena and objects, permeability of land and numerous information related to water resource management, water quality assessment, as well as hydrosphere monitoring network data are applied.水文地图（Hydrographic Map）是一类专题地图，以综合视角刻画水循环与自然环境、人类对自然环境的开发改造之间的关联状态。其编制以地形图为基础底图，集成了水体现象与地物的野外测绘成果、陆地渗透性数据，以及诸多与水资源管理、水质评价相关的信息，同时纳入水圈（Hydrosphere）监测网络的观测数据。