本数据集针对贡嘎山地区，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60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，DGPS RTK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": "2010-08-01 00:00:00", "ds_acq_end_time": "2010-08-31 00:00:00", "ds_acq_place": "贡嘎山", "ds_acq_lon_east": 102.06666666666666, "ds_acq_lat_south": 29.366666666666667, "ds_acq_lon_west": 101.7, "ds_acq_lat_north": 29.8, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "apply-access", "ds_total_size": 27542, "ds_files_count": 3, "ds_format": "EXCEL", "ds_space_res": "", "ds_time_res": "", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "41a97c06-967e-4441-8d1e-7c66c7237817.png", "ds_thumb_from": 2, "ds_ref_way": "曹泊, 潘保田, 王杰， 等. 兰州大学. 2010年贡嘎山地区GPS控制点数据集. 2019。曹泊, 王杰, 张国梁，2010年贡嘎山地区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.0011.2020.db", "paper_ref_way": "", "ds_ref_instruction": "2010年贡嘎山地区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 11:18:56", "last_updated": "2023-05-16 17:34:45", "protected": false, "protected_to": "2025-06-25 00:00:00", "lang": "zh", "cstr": "11738.11.ncdc.DIMaC.2020.91", "i18n": { "en": { "title": "Data set of GPS control points in Gongga Mountain Area in 2010", "ds_format": "", "ds_source": "This data set is mainly the measured data, and the data mainly comes from the static measurement of national first level control points and the dynamic joint measurement of DGPS RTK.
", "ds_quality": "The joint measurement is carried out by using X20 or T5 GNSS of 4-6 Taihua survey, the synchronous measurement time is more than 1 hour, and the joint measurement is carried out by using 1-3 national level control points; the result solution accuracy is controlled within 2cm
", "ds_ref_way": "\nCao Po, pan Baotian, Wang Jie, et al. Lanzhou University. GPS control point data set of Gongga Mountain Area in 2010. 2019. Cao Bo, Wang Jie, Zhang Guoliang, 2010 data set of GPS control points in Gongga mountain area, national glacier frozen soil desert scientific data center（ www.ncdc.ac.cn )，2019，doi：10.12072/DIMaC.0011.2020.db", "ds_abstract": "This data set is for Gongga mountain area. The global position system (GPS) control point joint measurement data set includes the serial number, longitude, latitude and elevation of the control point. The data set contains 60 records, mainly through the purchase of the national level 1 control points in the region, the use of national level 1 control points for static measurement, synchronous measurement time more than 1 hour, through the solution to obtain the glacier area control points; through dynamic differential GPS dynamic joint measurement to obtain. Data set longitude, unit degree (°), latitude, unit degree (°), elevation, that is, the elevation of glacier surface in the current year, unit meter (m).
", "ds_time_res": "", "ds_acq_place": "", "ds_space_res": "", "ds_projection": "", "ds_process_way": "Mainly through the purchase of national level control points in the region, the global position system (GPS) of Trimble 5800 is used to measure the time synchronously for more than 1 hour, and through Trimble geometry office The control points in the glacier area are obtained by solving with the software, and then the dynamic joint measurement is obtained by dynamic differential GPS. The dynamic differential GPS measurement process is standardized and standardized, and strictly rechecked.
", "ds_ref_instruction": "\nThe data set of GPS control points in Gongga Mountain Area in 2010 is derived from the special project of basic work of science and technology \"ice quantity change survey of major glaciation centers in Western China (2013fy111400)\". The property right of data belongs to Lanzhou University. 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, "ds_topic_tags": [ "GPS", "控制点", "贡嘎山" ], "ds_subject_tags": [], "ds_class_tags": [], "ds_locus_tags": [ "贡嘎山" ], "ds_time_tags": [ 2010 ], "ds_contributors": [ { "true_name": "曹泊", "email": "caobo@lzu.edu.cn", "work_for": "兰州大学", "country": "" }, { "true_name": "王杰", "email": "", "work_for": "兰州大学", "country": "" }, { "true_name": "张国梁", "email": "", "work_for": "兰州大学", "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": "曹泊", "email": "caobo@lzu.edu.cn", "work_for": "兰州大学", "country": "" } ], "category": "冰川" }