本数据为德国空间局发射的双星TanDEM任务提供的TanDEM-X/TerraSAR-X 干涉数据对（2012-02-12）,使用GAMMA合成孔径雷达干涉测量软件（2015年版本）生成的分辨率为10 m的DEM，采用完全共享方式。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年博格达地区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)）。
", "ds_source": "自主产生。
", "ds_process_way": "本数据为德国空间局发射的双星TanDEM任务提供的TanDEM-X/TerraSAR-X 干涉数据对（2012-02-12）,使用GAMMA合成孔径雷达干涉测量软件（2015年版本）生成的分辨率为10 m的DEM，坐标系 UTM WGS84。
", "ds_quality": "通过使用搭载TerraSAR-X和TanDEM-X传感器的平台，同时观测，获取地面同一地物目标的复数数据（包括振幅和相位信息），组成干涉对。经过精确配准后对复数图像进行共轭相乘可得到复干涉纹图。利用飞行平台、波束视及基线之间的几何关系，对复干涉纹图中的相位信息进行解缠，从而得到地面高程信息。其垂直方向的绝对精度优于10 m，相对精度在局部坡度角>20%时达到4 m，<20%时精度达到2 m。
", "ds_acq_start_time": "2012-02-01 00:00:00", "ds_acq_end_time": "2012-02-12 00:00:00", "ds_acq_place": "博格达", "ds_acq_lon_east": 88.47, "ds_acq_lat_south": 43.69, "ds_acq_lon_west": 88.02, "ds_acq_lat_north": 43.87, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "apply-access", "ds_total_size": 35188096, "ds_files_count": 3, "ds_format": "TIFF", "ds_space_res": "10.0m", "ds_time_res": "", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "ac8eb25f-7264-42b6-bc10-2f58f43bb516.jpg", "ds_thumb_from": 2, "ds_ref_way": "“2012年博格达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年博格达地区冰川表面数字高程模型.2019.上官冬辉, 蒋宗立，2012年博格达地区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.0050.2020.db", "paper_ref_way": "", "ds_ref_instruction": "“2012年博格达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 17:51:20", "last_updated": "2023-05-16 17:35:28", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.DIMaC.2020.110", "i18n": { "en": { "title": "2012 digital elevation model data set of Bogda area", "ds_format": "", "ds_source": "Self generated.
", "ds_quality": "By using the platform equipped with TerraSAR-X and TanDEM-X sensors, the complex data (including amplitude and phase information) of the same ground object are obtained at the same time to form an interference pair. After accurate registration, complex interferograms can be obtained by conjugate multiplication of complex images. Based on the geometric relationship among flight platform, beam view and baseline, the phase information in complex interferogram is unwrapped to obtain the ground elevation information. The absolute accuracy in the vertical direction is better than 10 m, and the relative accuracy is 4 m at & gt; 20% and 2 m at & lt; 20%.
", "ds_ref_way": "\n\"2012 digital elevation model of glacier surface in Bogda area\" comes from the special project of basic scientific and technological work \"investigation of ice quantity change of major glaciation centers in Western China (2013fy111400)\"; it is suggested to adopt the following method: Shangguan Donghui Institute of cold and arid region environment and engineering, Chinese Academy of Sciences. 2012 digital elevation model of glacier surface in Bogda area. 2019. Shangguan Donghui, Jiang Zongli, 2012 digital elevation model data set of Bogda area, national glacier, frozen soil and desert scientific data center（ www.ncdc.ac.cn )，2019，doi：10.12072/DIMaC.0050.2020.db", "ds_abstract": "This data is the TanDEM-X / TerraSAR-X interferometric data pair (2012-02-12) provided by the dual satellite tandem mission launched by the German space agency. The DEM with resolution of 10 m generated by gamma synthetic aperture radar interferometry software (2015 version) is fully shared. 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 Bogda digital elevation model data set, dem2012-2012 digital elevation model of the region (unit: meter (m)).
", "ds_time_res": "", "ds_acq_place": "bogda ", "ds_space_res": "10.0m", "ds_projection": "", "ds_process_way": "This data is the TanDEM-X / TerraSAR-X interferometric data pair (2012-02-12) provided by the dual satellite tandem mission launched by the German space agency. The DEM with resolution of 10 m is generated by gamma synthetic aperture radar interferometry software (2015 version), and the coordinate system is UTM WGS84.
", "ds_ref_instruction": "\nThe property right of \"2012 digital elevation model of glacier surface in Bogda 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 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, "license_type": "CC 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": [ "博格达", "雷达干涉", "DEM" ], "ds_subject_tags": [ "几何大地测量学" ], "ds_class_tags": [], "ds_locus_tags": [ "博格达" ], "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": "" }, { "true_name": "蒋宗立", "email": "jiangzongli@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" } ], "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" }