本数据集针对珠峰地区，利用遥感影像获取的2006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2006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DEM2006，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：2006年珠峰地区数字高程模型数据集，DEM2006——2006年该地区数字高程模型（单位：米(m)）。
", "ds_source": "本数据集主要为解译数据，数据主要来源为ALOS可见光立体像对。
", "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软件中解译获取。
", "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": "2006-08-01 00:00:00", "ds_acq_end_time": "2006-08-31 00:00:00", "ds_acq_place": "珠峰", "ds_acq_lon_east": 86.96666666666667, "ds_acq_lat_south": 27.966666666666665, "ds_acq_lon_west": 86.71666666666667, "ds_acq_lat_north": 28.166666666666668, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "apply-access", "ds_total_size": 3653803, "ds_files_count": 3, "ds_format": "TIFF", "ds_space_res": "30.0m", "ds_time_res": "", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "aba50f0f-d301-4aa4-9ca4-427607682dc1.jpg", "ds_thumb_from": 2, "ds_ref_way": "使用申明建议采用如下方式：2006年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）”。 引用方式建议采用如下方式： 1.Ye, Q., T. Bolch, R. Naruse, et al. (2015). Glacier mass changes in Rongbuk catchment on Mt. Qomolangma from 1974 to 2006 based on topographic maps and ALOS PRISM data. Journal of Hydrology, 530, 273-280.DOI:10.1016/j.jhydrol.2015.09.014 2.叶庆华,程维明,赵永利,等.青藏高原冰川变化遥感监测研究综述[J].地球信息科学学报,2016,18(7):920-930. [Ye Q H, Cheng W M, Zhao Y L, et al. 2016. A review on the research of glacier changes on the Tibetan Plateau by remote sensing technologies. Journal of Geo-information Science, 18(7):920-930 ] DOI:10.3724/SP.J.1047.2016.00920。叶庆华, 宗继彪，2006年珠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.0045.2020.db", "paper_ref_way": "", "ds_ref_instruction": "数据产权属于中国科学院青藏高原研究所。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": "2020-12-21 14:12:28", "last_updated": "2023-05-16 17:35:28", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.DIMaC.2020.112", "license": null, "i18n": { "en": { "title": "Digital elevation model dataset of Everest region in 2006", "ds_format": "", "ds_source": "This data set is mainly interpreted data, and the main data source is alos visible stereo image pair.
", "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": "\nIt is suggested to adopt the following methods: the data set of DEM in Mt. Qomolangma in 2006 is derived from the special project of basic scientific and technological work \"investigation of ice change in major glaciation centers in Western China (2013fy111400)\". It is suggested to use the following citation methods: 1. Ye, Q., t. Bolch, R. Naruse, et al. (2015). Glacier mass changes in Rongbuk catchment on Mt. Qomolangma from 1974 to 2006 based on topographical maps and alos prism data. Journal of hydrology, 530, 273-280 DOI:10.1016/j.jhydrol.2015.09.014 2. Ye Qinghua, Cheng Weiming, Zhao Yongli, [ye QH, Cheng WM, Zhao Y L, et al. 2016. A review on the research of glacier changes on the Tibetan Plateau by remote sensing technologies. Journal of geo information science, 18 (7): 920-930] DOI:10.3724/SP.J.1047.2016.00920 。 Ye Qinghua, Zong Jibiao, 2006 digital elevation model data set of Mount Everest, national glacier, frozen soil and desert scientific data center（ www.ncdc.ac.cn )，2019，doi：10.12072/DIMaC.0045.2020.db", "ds_abstract": "This data set focus on the Digital elevation model dataset of Everest region in 2006, using remote sensing image to obtain the digital elevation model of the area in 2006. 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 2006, so it is not necessary to supplement and improve, and fully open sharing is adopted. The data set contains dem2006, a total of 1 band. Data set file name and band name are as follows: data set file name: 2006 Mt. Everest digital elevation model data set, dem2006-2006 digital elevation model of the region (unit: m).
", "ds_time_res": "", "ds_acq_place": "Mount Everest", "ds_space_res": "30.0m", "ds_projection": "", "ds_process_way": "Based on the difference of time difference and camera angle, the visible light stereo image pair is interpreted in ERDAS software by the principle of forward intersection.
", "ds_ref_instruction": "\nThe property right of the data belongs to the Institute of Qinghai Tibet Plateau, 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", "ds_topic_tags": [ "珠峰", "DEM", "立体像对" ], "ds_subject_tags": [], "ds_class_tags": [], "ds_locus_tags": [ "珠峰" ], "ds_time_tags": [ 2006 ], "ds_contributors": [ { "true_name": "叶庆华", "email": "yeqh@itpcas.ac.cn", "work_for": "中国科学院青藏高原研究所", "country": "" }, { "true_name": "宗继彪", "email": "", "work_for": "中国科学院青藏高原研究所", "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": "叶庆华", "email": "yeqh@itpcas.ac.cn", "work_for": "中国科学院青藏高原研究所", "country": "" } ], "category": "冰川" }