本数据集针对格拉丹东峰地区，包括格拉丹东峰地区冰川及周边区域，利用遥感影像获取的2013年该地区数字高程模型。数据集包含1个波段，主要利用可见光立体像对，基于时差和摄影角度差异，通过前方交会的原理在erdas软件中，获取的冰川区数字高程模型。只针对2013年当年冰川表面高程，故不进行补充和完善，采用完全开放共享。数据集包含DEM2013，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：2013年格拉丹东峰地区数字高程模型数据集，DEM2013——2013年该地区数字高程模型（单位：米）。
", "ds_source": "本数据集主要为解译数据，数据主要来源为SPOT6光学立体像对遥感数据。
", "ds_process_way": "利用可见光立体像对，基于时差和摄影角度差异，通过前方交会的原理在erdas软件中，获取的冰川区数字高程模型。
", "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": "2013-02-01 00:00:00", "ds_acq_end_time": "2013-02-28 00:00:00", "ds_acq_place": "格拉丹东峰", "ds_acq_lon_east": null, "ds_acq_lat_south": null, "ds_acq_lon_west": null, "ds_acq_lat_north": null, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "apply-access", "ds_total_size": 14602, "ds_files_count": 2, "ds_format": "TIFF", "ds_space_res": "30.0m", "ds_time_res": "", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "0ddf596a-bd09-4efb-b78c-7659039fe7bd.jpg", "ds_thumb_from": 2, "ds_ref_way": "刘时银, 许君利, 吴坤鹏， 等. 中科院寒区旱区环境与工程研究所. 2013年格拉丹东峰地区数字高程模型数据集. 2019。刘时银, 许君利，2013年格拉丹东峰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.0052.2020.db", "paper_ref_way": "", "ds_ref_instruction": "2013年格拉丹东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）”。数据产权属于中科院寒区旱区环境与工程研究所。本数据集可用地理信息系统软件进行图形可视化。", "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": "2020-12-14 17:08:28", "last_updated": "2023-05-16 17:34:45", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.DIMaC.2020.100", "i18n": { "en": { "title": "2013 Digital Elevation Model Data Set for the Gladstone Peak Region", "ds_format": "", "ds_source": "The main data source is spot6.
", "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": "\nLiu Shiyin, Xu Junli, Wu Kunpeng, et al. Institute of environment and Engineering in cold and arid regions, Chinese Academy of Sciences. 2013 DEM dataset of geladan Dongfeng area. 2019. Liu Shiyin, Xu Junli, 2013 digital elevation model data set of geladan Dongfeng area, national glacier frozen soil desert scientific data center（ www.ncdc.ac.cn )，2019，doi：10.12072/DIMaC.0052.2020.db", "ds_abstract": "This data set is aimed at the eastern peak area of gradan, including glaciers and surrounding areas. The DEM of the area in 2013 is obtained by using remote sensing images. The data set contains one band, which is mainly based on the difference of time difference and camera angle, and the digital elevation model of glacier area is obtained in ERDAS software based on the principle of forward intersection. Only for the glacier surface elevation in 2013, so it will not be supplemented and improved, and fully open sharing is adopted. The data set contains dem2013, a total of 1 band. The corresponding file name and band name of the dataset are as follows: the file name of the dataset: the DEM dataset of the eastern peak area of gradan in 2013, and the DEM 2013-2013 DEM of the region (unit: m).
", "ds_time_res": "", "ds_acq_place": "Eastern Grantham", "ds_space_res": "30.0m", "ds_projection": "", "ds_process_way": "Based on the difference of time difference and photography angle, the digital elevation model of glacier area is obtained in ERDAS software based on the principle of forward intersection.
", "ds_ref_instruction": "\nThe data set of DEM in geladan Dongfeng area in 2013 was derived from the special project of basic scientific and technological work \"investigation on ice quantity change of major glaciation centers in Western China (2013fy111400)\". The property right of the data belongs to the Institute of environment and Engineering in cold and arid areas of Chinese Academy of Sciences. The data set can be visualized by GIS software." } }, "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", "立体像对", "格拉丹东峰" ], "ds_subject_tags": [], "ds_class_tags": [], "ds_locus_tags": [ "格拉丹东峰" ], "ds_time_tags": [ 2013 ], "ds_contributors": [ { "true_name": "刘时银", "email": "liusy@lzb.ac.cn", "work_for": "云南大学国际河流与生态安全研究院", "country": "中国" }, { "true_name": "许君利", "email": "xujunli05@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": "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" }, { "true_name": "刘时银", "email": "liusy@lzb.ac.cn", "work_for": "云南大学国际河流与生态安全研究院", "country": "中国" } ], "category": "冰川" }