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《新疆第一次全国地理国情普查公报》发布

2017-10-11 13:56:54   

央广网乌鲁木齐10月11日消息(记者吴卓胜)今天,新疆新闻办公室召开新闻发布会,正式向社会发布《新疆第一次全国地理国情普查公报》。经过三年多的普查工作,首次全面查清了新疆各类地理国情要素的现状、空间分布情况,准确掌握了新疆地理国情“家底”。

据了解,此次普查覆盖全疆,以地表自然和人文地理要素为普查对象,普查两大方面内容:一是自然地理要素的基本情况,包括地形地貌、植被覆盖、水域、荒漠与裸露地等要素的构成及空间分布状况;二是人文地理要素的基本情况,包括居民地与设施、铁路与道路、地理单元的构成及空间分布状况。

这次普查以现代对地观测技术获取的优于1米分辨率遥感影像为原始数据源,收集整合多行业专题数据,通过室内遥感解译和野外调查核查,并以2015年6月30日为标准时点,如实表达了地理国情要素的现实状况。共获取地理国情普查信息包括10个一级类,58个二级类和135个三级类,共588.85万个地表覆盖图斑和275.97万个国情要素数据,构成了覆盖全疆、无缝隙、高精度、多要素的海量地理国情数据。

新疆第一次全国地理国情普查领导小组副组长、新疆国土资源厅党组副书记、副厅长、测绘地理信息局党组书记平新来介绍,这次普查有四个特点:一是全面,对新疆陆地国土实现无缝隙全覆盖;二是真实,遵循“所见即所得”原则,如实反映客观情况;三是精细,普查最小图斑对应地面实际面积为100平方米,城市里的一块绿地、水池基本上都能在这次普查数据当中统计出来;四是丰富,普查成果还包括高分辨率航空航天遥感影像、地表覆盖数据、地理国情要素等空间数据,内容非常丰富。

平新来表示,在此次普查过程中,坚持“边普查、边监测、边应用”,以社会需求为导向,充分挖掘普查成果的价值,积极推动普查成果数据示范应用。目前,普查和监测成果已经在“多规合一”、领导干部自然资源资产审计、塔里木河流域生态环境变化、地质灾害监测等领域发挥了重要作用,下一步,充分挖掘、分析和应用普查成果数据,建立地理国情普查成果共享应用机制和部门协作机制,认真开展常态化地理国情监测,更好地服务新疆社会稳定和长治久安总目标、服务经济社会发展和生态文明建设。

会上,平新来就普查公报主要数据和有关情况作了介绍。

这次普查查清了新疆种植土地的构成及空间分布。种植土地总面积为83730.85平方千米,50.46%的种植土地分布在南疆地区,46.50%分布在北疆地区,3.04%分布在东疆地区。

查清了新疆林草覆盖的构成及空间分布。林草覆盖总面积为759477.59平方千米,52.54%的林草覆盖分布在南疆地区,40.39%分布在北疆地区,7.07%分布在东疆地区。

查清了新疆水域的构成及空间分布。单条长度500米以上且宽度3米以上的水渠总长度为178336.32千米。单个面积在5000平方米以上的湖泊总面积为8945.6平方千米。单个面积在5000平方米以上的水库总面积为2309.19平方千米。冰川与常年积雪总面积为22192.52平方千米。

查清了新疆铁路与道路的构成及空间分布。铁路与道路的路面面积为3301.72平方千米。铁路路网总长度为6069.85千米。宽度大于5米的乡级以上(含乡级)公路总长度为101735.18千米。

查清了新疆房屋建筑(区)占地面积为3639.35平方千米,52.53%的房屋建筑(区)分布在南疆地区,41.81%分布在北疆地区,5.66%分布在东疆地区。

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