本数据集针对昆仑山玉珠峰地区，数据内容为2012年玉珠峰地区数字高程模型，数据格式为GeoTIFF格式。数据集包含2012年玉珠峰地区数字高程模型GeoTIFF文件，文件为单波段文件，包含的内容为2012年玉珠峰地区（昆仑山中段玉珠峰地区）数字高程模型。数据集文件名：DEM2012.tif。
", "ds_source": "2012年欧空局TanDEM-X和TerraSAR-X姊妹雷达卫星像对数据。
", "ds_process_way": "该DEM的生成采用GAMMA软件进行预处理和干涉测量，其中以2012年TanDEM-X/TerraSAR-X雷达卫星遥感资料。然后利用《多功能DEM校正器》软件，参考2000年30米分辨率SRTM数据，对其进行反复配准和校正，确保其与该地区其它DEM数据具有统一的高程基准和最小的坐标偏差，并使用ICESat卫星激光测高数据对成果数据进行精度评估。
", "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": "2012-01-01 00:00:00", "ds_acq_end_time": "2012-12-31 00:00:00", "ds_acq_place": "玉珠峰", "ds_acq_lon_east": 94.43138888888889, "ds_acq_lat_south": 35.38166666666667, "ds_acq_lon_west": 93.90361111111112, "ds_acq_lat_north": 35.96388888888889, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "apply-access", "ds_total_size": 88555663, "ds_files_count": 3, "ds_format": "TIFF", "ds_space_res": "10.0m", "ds_time_res": "", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "e2faf266-1b3d-420f-a9e1-7a191f1467aa.jpg", "ds_thumb_from": 2, "ds_ref_way": "使用申明建议采用如下方式： 2012年玉珠峰地区数字高程模型数据集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）”。
\n\n\n引用方式建议采用如下方式：郭万钦, 魏俊锋, 吴坤鹏，刘时银, 等.中国科学院西北生态环境资源研究院. 2012年玉珠峰地区数字高程模型数据集. 2019。
Image pair data of TanDEM-X and TerraSAR-X sister radars of ESA in 2012.
", "ds_quality": "By using the platform equipped with TerraSAR-X and TanDEM-X sensors and observing at the same time, the complex data (including amplitude and phase information) of the same ground object is obtained to form an interference pair. After accurate registration, complex interferogram can be obtained by conjugate multiplication of complex image. By using the geometric relationship among the flight platform, beam view and baseline, the phase information in the complex interferogram is unwrapped to obtain the ground elevation information. The absolute accuracy of the vertical direction is better than 10 m, and the relative accuracy reaches 4 m when the local slope angle is & gt; 20%, and 2 m when the & lt; 20%.
", "ds_ref_way": "\nIt is suggested to adopt the following method: the data set of the 2012 yuzhufeng digital elevation model is from the \"investigation on the ice change of the main glaciation centers in Western China (2013fy111400)\", a special project of basic scientific and technological work.
\n\nIt is suggested to adopt the following methods: Guo wanqin, Wei Junfeng, Wu Kunpeng, Liu Shiyin, etc. Northwest Institute of ecological environment and resources, Chinese Academy of Sciences. 2012 yuzhufeng area digital elevation model data set. 2019.
", "ds_abstract": "This data set is for the yuzhufeng area of Kunlun mountain. The data content is the 2012 yuzhufeng area digital elevation model, and the data format is GeoTIFF format. The data set contains the GeoTIFF file of 2012 yuzhufeng digital elevation model, which is a single band file, and the content of which is the 2012 yuzhufeng digital elevation model. Dataset file name: dem2012.tif.
", "ds_time_res": "", "ds_acq_place": "", "ds_space_res": "10.0m", "ds_projection": "", "ds_process_way": "The DEM is generated by gamma software for preprocessing and interferometry, in which the remote sensing data of 2012 TanDEM-X / TerraSAR-X radar satellite are used. Then, the multi-functional DEM corrector software is used to repeatedly register and correct the SRTM data with a resolution of 30 meters in 2000, so as to ensure that it has a unified elevation datum and a minimum coordinate deviation with other DEM data in the region, and the ICESat satellite laser altimetry data is used to evaluate the accuracy of the result data.
", "ds_ref_instruction": "\nThe property right of the collected data belongs to the original data owner, and the property right of the investigated data belongs to the Northwest Institute of ecological environment and resources, Chinese Academy of Sciences. The data is in geotif format, and the general GIS software, remote sensing processing software and image processing software can be used, 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": [ "DEM", "玉珠峰", "雷达干涉" ], "ds_subject_tags": [], "ds_class_tags": [], "ds_locus_tags": [ "玉珠峰" ], "ds_time_tags": [ 2012 ], "ds_contributors": [ { "true_name": "郭万钦", "email": "guowq@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" }, { "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": "郭万钦", "email": "guowq@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" } ], "category": "冰川" }