{"id":"df7dddda-d3f1-41fa-840b-6cba9a554a34","title":"科尔沁草原大青沟地区1:5万沙漠化发展程度图（1958）","title_en":"The 1:50,000 map of developmental degree of desertification in Daqinggou, Keerqin (HORQIN) Steppe, Inner Mongolia, China (1958)","serial":"沙漠与沙漠化","user_limit":"为尊重知识产权、保障数据作者的权益、扩展数据中心的服务、评估数据的应用潜力，请数据使用者在使用数据所产生的研究成果中（包括公开发表的论文、论著、数据产品和未公开发表的研究报告、数据产品等成果），明确注明数据来源和数据作者。对于转载（二次或多次发布）的数据，作者还须注明原始数据来源。","instructions":"数据以矢量shp格式存储，可用Arcgis、Qgis等遥感软件打开读取","description":"该数据数字化自图纸，科尔沁草原大清沟地区沙漠化发展程度图(1958年)，该图的具体信息如下：\n    * 主编：朱震达\n    * 编辑：冯毓荪\n    * 制图：冯毓荪、姚发芬、王建华、赵燕华、李伟民\n    * 制图单位：中国科学院沙漠研究室编制\n    * 出版社：暂无\n    * 比例尺:1：50000\n    * 出版时间：暂无\n    * 图例：沟谷密林（Gully Dense Forest）、疏林(Sparse Woods)、灌木林(Brush)、人工林(Artificial Woodland)、苗圃和果园(Nursery and Vegetable Garden)、草地(Grass Land)、旱作农田(Dry Farmland)、撂荒地(Rejected Farmland)、沼泽地(Marsh Land)、流动沙丘(Shifting Snad-Dunes)、半流动沙丘(Semi-Shifting Sand-Dunes)、半固定沙丘(Semi-Fixed Sand-Dunes)、固定沙丘(Fixed Sand-Dunes)、水域(Water Area)、稻田(Rice)、居民地(Residential)、公路(Highway)\n1、文件格式与命名\n数据均以ESRI Shapefile格式储存，包括以下图层：\n科尔沁草原大清沟地区沙漠化图,河流,沼泽,道路,湖泊,居民地\n2、数据沙漠化属性字段：\n沙化程度(Type),沙地形态类(Shapes),草地(Grassland),林地(Woodland),林地疏密度(W_density),耕地(Farmland) \n3、投影信息：\nAngular Unit: Degree (0.017453292519943295)\nPrime Meridian: Greenwich (0.000000000000000000)\nDatum: D_Beijing_1954\n  Spheroid: Krasovsky_1940\n    Semimajor Axis: 6378245.000000000000000000\n    Semiminor Axis: 6356863.018773047300000000\n    Inverse Flattening: 298.300000000000010000","doi":"10.11888/Disas.tpdc.270664","projection":null,"language":"zh","share_type":"online","east":122.4,"west":122.1,"south":42.7,"north":42.87,"scale":null,"crs":null,"filesize":1.97,"share_policy":"a","ts_created":"2010-01-19T12:05:45+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-04-18T12:25:35.331907+08:00","time_description":"1958","datas_group":3,"time_description_en":"","data_format":"矢量","project":[10,11],"specials":[],"cite":null,"review_status":5,"review_invite":[],"review_editor":null,"data_sources":null,"temporal_resolution":"Yearly","spatial_resolution":null,"license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[],"subtopics":{"metadata":"df7dddda-d3f1-41fa-840b-6cba9a554a34","three_pole":null,"third_pole":null},"username":"盖春梅","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":5620}