本数据集针对西昆仑主峰周围地区，全球定位系统(Global Position System，GPS)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8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；通过动态差分GPS进行动态联测获取。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，动态差分GPS动态联测。
", "ds_process_way": "主要通过采购了该地区国家一级控制点，利用天宝公司(Trimble)5800型号的全球定位系统(Global Position System，GPS) 同步测量时间1小时以上，并通过Trimble Geomatics Office 软件进行解算获取冰川区控制点；然后通过动态差分GPS进行动态联测获取，动态差分GPS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": "2014-08-01 00:00:00", "ds_acq_end_time": "2014-08-31 00:00:00", "ds_acq_place": "西昆仑主峰", "ds_acq_lon_east": 82.0, "ds_acq_lat_south": 35.0, "ds_acq_lon_west": 80.0, "ds_acq_lat_north": 35.5, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "apply-access", "ds_total_size": 25080, "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": "曹泊, 赵井东, 王杰， 等. 兰州大学. 2014年西昆仑主峰周围地区GPS控制点数据集. 2019。赵井东, 魏俊锋, 鲍伟佳, 李晶，2014年西昆仑主峰周围地区GPS控制点数据集，国家冰川冻土沙漠科学数据中心(www.ncdc.ac.cn)，2019，doi：10.12072/DIMaC.0010.2020.db", "paper_ref_way": "", "ds_ref_instruction": "2014年西昆仑主峰周围地区GPS控制点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）”。数据产权属于兰州大学。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": "2020-12-11 10:04:17", "last_updated": "2023-05-16 17:35:32", "protected": false, "protected_to": "2025-06-25 00:00:00", "lang": "zh", "cstr": "11738.11.ncdc.DIMaC.2020.92", "i18n": { "en": { "title": "GPS control point dataset for the area around the main peak of West Kunlun in 2014", "ds_format": "", "ds_source": "This data set is mainly measured data, and the main data sources are static measurement of national primary control points and dynamic differential GPS dynamic joint survey.
", "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": "\nCao Po, Zhao Jingdong, Wang Jie, et al. Lanzhou University. 2014 GPS control point data set around the main peak of West Kunlun mountain. 2019. Zhao Jingdong, Wei Junfeng, Bao Weijia, Li Jing, 2014 GPS control point data set around the main peak of West Kunlun Mountains, national glacier frozen soil desert scientific data center（ www.ncdc.ac.cn )，2019，doi：10.12072/DIMaC.0010.2020.db", "ds_abstract": "This dataset is for the area around the main peak of West Kunlun, and the Global Positioning System (GPS) control point joint measurement dataset includes the serial number, longitude, latitude and elevation of the control points. The data set contains 8 records, mainly through the procurement of the national-level control points in the area, the use of national-level control points for static measurements, synchronous measurement time of more than 1 hour, through the decomposition of the glacier area control points; through the dynamic differential GPS for dynamic joint measurements to obtain. Data set longitude, unit degree (°), latitude, unit degree (°), elevation, i.e., glacier surface elevation in that year, unit meter (m)
", "ds_time_res": "", "ds_acq_place": "The main peak of West Kunlun", "ds_space_res": "", "ds_projection": "", "ds_process_way": "Through purchasing the national primary control points in the region, the global position system (GPS) of Trimble 5800 model is used to synchronously measure the time of more than 1 hour, and the time is measured through the Trimble Geomatics office The software is used to calculate and obtain the control points in the glacier area; then the dynamic differential GPS is used to obtain the dynamic joint measurement, and the dynamic differential GPS measurement process is standardized and standardized, and strictly rechecked.
", "ds_ref_instruction": "In 2014, the data set of GPS control points in the area around the main peak of the West Kunlun Mountains came from the \"investigation of ice change in the main glaciation centers in Western China (2013fy111400)\" special project of basic scientific and technological work. Data property belongs to Lanzhou University. This dataset can be opened and viewed by Microsoft office software, or imported into GIS software for graphic visualization." } }, "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": [ "西昆仑主峰", "控制点", "GPS" ], "ds_subject_tags": [], "ds_class_tags": [], "ds_locus_tags": [ "西昆仑主峰" ], "ds_time_tags": [ 2014 ], "ds_contributors": [ { "true_name": "赵井东", "email": "jdzhao@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "" }, { "true_name": "魏俊锋", "email": "weijunfeng@hnust.edu.cn", "work_for": "湖南科技大学地球科学与空间信息工程学院", "country": "中国" }, { "true_name": "鲍伟佳", "email": "", "work_for": "中国科学院西北生态环境资源研究院", "country": "" }, { "true_name": "李晶", "email": "", "work_for": "中国科学院西北生态环境资源研究院", "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": "赵井东", "email": "jdzhao@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" }