本数据为资源三号卫星2012年12月12日前视scene Path:58,Row:142；后视scene Path:57,Row:142立体相对，利用Erdas Imagine 2014 LPS生成的5m分辨率的DEM,采用完全开放共享方式。数据集包含DEM2012，共1个波段。数据集文件名及波段名称对应如下：数据集文件名：2012年冬克玛底数字高程模型数据集，DEM2012——2012年该地区数字高程模型（单位：米(m)）。图集时间为遥感影像获取时间，2012年12月12日。
", "ds_source": "自主产生。
", "ds_process_way": "本数据为资源三号卫星2012年12月12日前视scene Path:58,Row:142；后视scene Path:57,Row:142立体相对，利用Erdas Imagine 2011 LPS工具，以野外采集的3个控制点作为输入，生成的5m分辨率的DEM2012。 图集坐标系 UTM WGS84。
", "ds_quality": "采用ENVI 4.7 软件中的“DEM Extraction”模块，对立体像对进行DEM数据提取。利用 数据源中的辐射校正参数对立体像对进行校正，从而消除 影像中的条带效应，提高DEM 数据提取的稳定性和可靠性。在DEM 数据提取过程中，按照典型研究区的分布对立体像对进行分区块处理覆盖每个典型研究区的立体像对至少采用20 个GCP，且均匀分布在非冰川区，其中高程控制点提取自中国历史地形图数据，平面控制点提取自同时期的LandSat TM+影像。
", "ds_acq_start_time": "2012-12-12 00:00:00", "ds_acq_end_time": "2012-12-31 00:00:00", "ds_acq_place": "冬克玛底", "ds_acq_lon_east": 92.26666666666667, "ds_acq_lat_south": 32.78, "ds_acq_lon_west": 91.74, "ds_acq_lat_north": 33.330000000000005, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "apply-access", "ds_total_size": 172287134, "ds_files_count": 3, "ds_format": "TIFF", "ds_space_res": "5.0m", "ds_time_res": "", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "baa01109-ee9d-4d36-9de6-0c076dc9f0ca.jpg", "ds_thumb_from": 2, "ds_ref_way": "“2012年唐古拉地区冰川表面数字高程模型”来源于科技基础性工作专项“中国西部主要冰川作用中心冰量变化调查（2013FY111400）”； 引用方式建议采用如下方式：上官冬辉. 中国科学院寒区旱区环境与工程研究所.2012年唐古拉地区冰川表面数字高程模型. 2019.上官冬辉，2012年冬克玛底数字高程模型数据集，国家冰川冻土沙漠科学数据中心(www.ncdc.ac.cn)，2019，doi：10.12072/DIMaC.0051.2020.db", "paper_ref_way": "", "ds_ref_instruction": "2012年唐古拉地区冰川表面数字高程模型”产权归属中国科学院寒区旱区环境与工程研究所，联系人：上官冬辉，甘肃省兰州市城关区东岗西路320#，730000，0931-4967396,dhguan@lzb.ac.cn。数据集/图集为Geotif格式，通常的地理信息系统软件、遥感处理软件、图像处理软件均可使用，如ARCGIS,ERDAS IMAGINE, ENVI。", "ds_from_station": "中国西部主要冰川作用中心冰量变化调查", "organization_id": "75b2f6d5-c7ed-438c-b7be-98672c057ed5", "ds_serv_man": "李红星", "ds_serv_phone": "0931-4967592", "ds_serv_mail": "lihongxing@lzb.ac.cn", "doi_value": "", "subject_codes": null, "quality_level": 3, "publish_time": "2020-12-17 15:27:44", "last_updated": "2023-05-16 17:35:33", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.DIMaC.2020.121", "i18n": { "en": { "title": "Dongkemadi igital Elevation Model Data set in 2012", "ds_format": "", "ds_source": "Self generated.
", "ds_quality": "The DEM extraction module of Envi 4.7 software is used to extract DEM data from stereo image pairs. In order to eliminate the stripe effect and improve the stability and reliability of DEM data extraction, the radiometric correction parameters in the data source are used to correct the stereo image pair. In the process of DEM data extraction, according to the distribution of typical research areas, the stereo image pairs are divided into blocks, covering at least 20 GCPs in each typical research area, and evenly distributed in non glacial areas. The elevation control points are extracted from the historical topographic map data of China, and the plane control points are extracted from the Landsat TM + image of the same period.
", "ds_ref_way": "\n\"Digital elevation model of glacier surface in Tanggula area in 2012\" is derived from the scientific and technological basic work special project \"investigation of ice quantity change in major glaciation centers in Western China (2013fy111400)\"; the reference mode is suggested as follows: Shangguan Donghui, Institute of cold and arid area environment and engineering, Chinese Academy of Sciences, and 2012 digital elevation model of glacier surface in Tanggula area 2019. Shangguan Donghui, 2012 Dongkemadi digital elevation model data set, national glacier, permafrost and desert scientific data center（ www.ncdc.ac.cn )，2019，doi：10.12072/DIMaC.0051.2020.db", "ds_abstract": "This data is the forward view scene of ZY-3 satellite on December 12, 2012 Path:58 , Row:142 ; rear view scene Path:57 , Row:142 The DEM with 5m resolution generated by ERDAS IMAGINE 2014 LPS is used for stereo correlation, and the full open sharing mode is adopted. The data set contains dem2012, a total of 1 band. Data set file name and band name are as follows: data set file name: 2012 Dongkemadi digital elevation model data set, dem2012-2012 digital elevation model of the region (unit: meter (m)). The atlas time is the acquisition time of remote sensing image, December 12, 2012.
", "ds_time_res": "", "ds_acq_place": "Dongkemadi", "ds_space_res": "5.0m", "ds_projection": "", "ds_process_way": "This data is the forward view scene of ZY-3 satellite on December 12, 2012 Path: 58 , Row: 142 ; rear view scene Path: 57 , Row: 142 Using ERDAS IMAGINE 2011 LPS tool and taking three control points collected in the field as input, dem2012 with 5m resolution is generated. The atlas coordinate system is UTM WGS84.
", "ds_ref_instruction": "\nIn 2012, the property right of \"digital elevation model of glacier surface in Tanggula area\" belongs to the Institute of environment and engineering of cold and arid regions, Chinese Academy of Sciences, contact person: Donggang West Road, Chengguan District, Lanzhou City, Gansu Province, 320000, 730000, 0931-4967396,dhguan@lzb.ac.cn 。 The data set / atlas is in geotif format, which can be used by common GIS software, remote sensing processing software and image processing software, such as ArcGIS, ERDAS image, envi." } }, "submit_center_id": "ncdc", "data_level": 0, "recommendation_value": 0, "license_type": "https://creativecommons.org/licenses/by/4.0/", "doi_reg_from": "reg_local", "cstr_reg_from": "reg_local", "doi_not_reg_reason": null, "cstr_not_reg_reason": null, "is_paper_in_submitting": false, "ds_topic_tags": [ "冬克玛底", "DEM", "立体像对" ], "ds_subject_tags": [ "几何大地测量学" ], "ds_class_tags": [], "ds_locus_tags": [ "冬克玛底" ], "ds_time_tags": [ 2012 ], "ds_contributors": [ { "true_name": "上官冬辉", "email": "dhguan@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "" } ], "ds_meta_authors": [ { "true_name": "吴坤鹏", "email": "wukunpeng2008@lzb.ac.cn", "work_for": "云南大学国际河流与生态安全研究院", "country": "中国" } ], "ds_managers": [ { "true_name": "上官冬辉", "email": "dhguan@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "" } ], "category": "冰川" }