本数据集针对珠峰地区，GPS(Global Positioning System)控制点联测数据集包括控制点的序号、经度、纬度、高程。数据集包含1024条记录，主要通过采购了该地区国家一级控制点，利用国家一级控制点进行静态测量，同步测量时间1小时以上，通过解算获取冰川区控制点；通过DGPS(Differential Global Position System) RTK(Real - time kinematic)进行动态联测获取。数据集只针对2015年当年非冰川/冰川表面高程，采用完全开放共享。数据集中经度，单位度(°)，纬度，单位度(°)，高程，即当年冰川表面高程，单位米(m)。
", "ds_source": "本数据集主要为实测数据，数据主要来源为国家一级控制点静态测量，DGPS RTK动态联测。
", "ds_process_way": "在数据实测中，进行了国家一级控制点静态测量，后差分GPS采用Mobile Mapper10手持GPS作为接收器，E640高精度静态GPS作为基站，放置在稳定地形区，与手持GPS同时记录数据，然后将收集到的数据在后处理软件中进行后差分处理；实时动态差分使用中国合众思壮公司Starfire3050差分GPS进行测量,测量过程规范化和标准化，并严格复核。
", "ds_quality": "采用4-6台华测X20或T5 GNSS进行联测，同步测量时间1小时以上，并采用1-3个国家级控制点进行联测；成果解算精度控制在2cm以内
", "ds_acq_start_time": "2015-08-01 00:00:00", "ds_acq_end_time": "2015-08-31 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": 59393, "ds_files_count": 3, "ds_format": "EXCEL", "ds_space_res": "", "ds_time_res": "", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": null, "ds_thumb_from": 2, "ds_ref_way": "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, 勾鹏, 赵永利，2015年珠峰地区GPS控制点联测数据集，国家冰川冻土沙漠科学数据中心(www.ncdc.ac.cn)，2019，doi：10.12072/DIMaC.0061.2020.db", "paper_ref_way": "", "ds_ref_instruction": "2015年珠峰地区GPS控制点联测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）”。数据产权属于中国科学院青藏高原研究所。本数据集可用Microsoft office软件打开查看，也可以导入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": "2020-12-15 17:49:01", "last_updated": "2023-05-16 17:34:32", "protected": false, "protected_to": "2025-06-25 00:00:00", "lang": "zh", "cstr": "11738.11.ncdc.DIMaC.2020.106", "i18n": { "en": { "title": "Joint survey data set of GPS control points of Mount Everest area in 2015", "ds_format": "", "ds_source": "This data set is mainly measured data, and the main data sources are static measurement of national first-class control points and dynamic joint measurement of DGPS RTK.
", "ds_quality": "4-6 stations of China Survey X20 or T5 GNSS are used for joint survey, the synchronous measurement time is more than 1 hour, and 1-3 national control points are used for joint survey; the result calculation accuracy is controlled within 2cm
", "ds_ref_way": "\n1.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. 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, Gou Peng, Zhao Yongli, 2015 joint survey data set of GPS control points in Mt. Qomolangma Region, national glacier and frozen soil desert scientific data center（ www.ncdc.ac.cn )，2019，doi：10.12072/DIMaC.0061.2020.db", "ds_abstract": "This data set is for Mt. Qomolangma. The GPS (Global Positioning System) control point joint survey data set includes the serial number, longitude, latitude and elevation of the control points. The data set contains 1024 records, which are mainly obtained by purchasing the national first-class control points in the region, using the national first-class control points for static measurement, and obtaining the glacier area control points by solving for more than 1 hour; and obtaining the dynamic joint measurement through DGPS (differential global position system) RTK (real-time kinematic). The data set is only for the non glacier / glacier surface elevation in 2015, which is fully open and shared. In the data set, longitude, unit degree (°), latitude, unit degree (°), elevation, that is, the glacier surface elevation in the current year, unit meter (m).
", "ds_time_res": "", "ds_acq_place": "Mount Everest", "ds_space_res": "", "ds_projection": "", "ds_process_way": "In the data measurement, the static measurement of the national first-class control points is carried out, and the post differential GPS adopts mobile Mapper10 handheld GPS as receiver, E640 high-precision static GPS as base station, placed in stable terrain area, record data with handheld GPS at the same time, and then the collected data are post differential processed in post-processing software; real time dynamic difference is measured by Starfire 3050 differential GPS of China united strength company, and the measurement process is standardized and standardized, and strictly reviewed.
", "ds_ref_instruction": "\nIn 2015, the data set of GPS control points in Mt. Qomolangma was obtained from the special project of basic scientific and technological work \"investigation of ice change in major glaciation centers in Western China (2013fy111400)\". The property right of the data belongs to the Institute of Qinghai Tibet Plateau, Chinese Academy of Sciences. This data set can be opened and viewed by Microsoft office software or imported into GIS software for graphic visualization." } }, "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, "belong_to_nieer": false, "ds_topic_tags": [ "GPS", "珠峰", "控制点" ], "ds_subject_tags": [], "ds_class_tags": [], "ds_locus_tags": [ "珠峰" ], "ds_time_tags": [ 2015 ], "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": "" }, { "true_name": "勾鹏", "email": "", "work_for": "中国科学院青藏高原研究所", "country": "" }, { "true_name": "赵永利", "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" }