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宁夏第一次全国地理国情普查公报今天发布

2017-09-22 17:22:26   央广网

央广网银川9月22日消息(记者徐升)今天上午,宁夏回族自治区国土资源厅召开新闻发布会,向社会发布宁夏第一次全国地理国情普查公报。本次普查历时三年,首次全面查清了宁夏各类地理国情要素的现状、空间分布情况,准确掌握了宁夏地理国情“家底”。

新闻发布会现场

地理国情普查是国务院部署的一项重大的国情国力调查,是全面获取地理国情信息的重要手段,是了解国情、把握国势、制定国策的基础性工作。本次普查对象为宁夏回族自治区行政区域范围内的地表自然和人文地理要素。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类别、位置、范围、面积和空间分布状况;人文地理要素的基本情况,包括居民地与设施、铁路与道路、地理单元的类别、位置、范围、面积和空间分布状况。

宁夏国土资源厅总工程师包敏答记者问

普查采用0.5米高分辨率航空航天遥感影像为主要数据源,结合基础测绘成果数据,收集各个行业的专题数据。以2015年6月30日为统一核准的标准时点。获取了10个一级类、43个二级类和81个三级类共125万个图斑,构成我区全覆盖、无缝隙、高精度、多要素的海量地理国情数据。2017年4月,普查成果顺利通过验收。

新华社记者提问

据宁夏国土资源厅总工程师包敏介绍,这次普查成果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7大空间数据,内容非常丰富。在查清自然和人文地理要素空间分布状况的基础上,还分析了要素之间的相互关系,为科学合理保护和利用自然资源提供了数据支撑。另外,本次普查形成了数据、统计分析、图表、系统管理应用等成果。今后还将利用地理国情普查成果目录、数据库、服务平台,将可公开的数据上网发布,向公众提供服务。同时为各级政府、各部门提供快捷高效的专业检索和分发服务。

中国测绘报记者提问

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