甘肃省酒泉地区敦煌市2016年土地利用图

该数据为甘肃省酒泉地区敦煌市2016年土地利用类型空间分布数据。数据为矢量数据，包括土地代码、土地类型等属性字段。土地类型按二级类型分为水田、旱地、有林地、灌木林、疏林地、其他林地、高覆盖度草地、中覆盖度草地、低覆盖度草地、河渠、湖泊、水库坑塘、永久性冰川雪地、滩涂、滩地、城镇用地、农村居民点、其他建设用地、沙地、戈壁、盐碱地、沼泽地、裸土地、裸岩石砾地、其他，其中耕地根据地貌分为山地、丘陵、平原、大于25度坡地的水田和旱地。数据比例尺为1：10万。

This dataset provides the spatial distribution data of land use types in Dunhuang City, Jiuquan Prefecture, Gansu Province in 2016. It is vector data containing attribute fields such as land code and land type. The land use types are classified into secondary categories, including paddy fields, dry lands, closed forest lands, shrublands, sparse forest lands, other forest lands, high-coverage grasslands, medium-coverage grasslands, low-coverage grasslands, rivers and canals, lakes, reservoirs and ponds, permanent glaciers and snowfields, tidal flats, beach lands, urban land, rural settlements, other construction lands, sandy deserts, gobi, saline-alkali lands, swamp lands, bare lands, bare rock and gravel lands, and others. Specifically, cultivated land is divided into paddy fields and dry lands in mountains, hills, plains, and slopes with a gradient greater than 25° based on landform conditions. The scale of this dataset is 1:100,000.

搜集汇总

背景与挑战

背景概述

该数据集是甘肃省酒泉地区敦煌市2016年的土地利用矢量数据，以1:10万比例尺提供高精度空间分布信息，涵盖水田、旱地、林地等25种二级土地类型，并针对耕地按地貌进一步细分。数据质量可靠（错误率不超过1/2000），属于县级土地利用分布数据库，适用于地理信息系统分析和土地管理研究。