本数据集针对念青唐古拉山主峰地区，主要包括念青唐古拉山主峰卡里干冰川，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19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 RTK进行动态联测获取。数据集只针对2015年当年冰川表面高程，故不进行补充，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": "主要通过采购了该地区国家一级控制点，利用华测T5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HCG 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": "2015-08-01 00:00:00", "ds_acq_end_time": "2015-08-31 00:00:00", "ds_acq_place": "念青唐古拉山主峰", "ds_acq_lon_east": 91.23, "ds_acq_lat_south": 33.480000000000004, "ds_acq_lon_west": 91.19, "ds_acq_lat_north": 33.519999999999996, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "apply-access", "ds_total_size": 27319, "ds_files_count": 3, "ds_format": "EXCEL", "ds_space_res": "", "ds_time_res": "", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "664d6f78-5577-4beb-a319-dc251340b64f.png", "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. 2015年念青唐古拉山主峰地区GPS控制点联测数据集. 2019。郭万钦, 吴坤鹏, 魏俊锋, 朱钰, 王荣军，2015年念青唐古拉山主峰地区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.0066.2020.db", "paper_ref_way": "", "ds_ref_instruction": "2015年念青唐古拉山主峰地区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）”。数据产权属于中科院寒区旱区环境与工程研究所。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": "2020-12-11 11:13:17", "last_updated": "2023-05-16 17:35:06", "protected": false, "protected_to": "2025-06-25 00:00:00", "lang": "zh", "cstr": "11738.11.ncdc.DIMaC.2020.90", "i18n": { "en": { "title": "Joint survey data set of GPS control points in the main peak area of Tanggula Mountain in Nianqing in 2015", "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": "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": "\nLiu Shiyin, Xu Junli, Wu Kunpeng, et al. Institute of environment and Engineering in cold and arid regions, Chinese Academy of Sciences. 2015 joint survey data set of GPS control points in the main peak area of Nianqing Tanggula Mountain. 2019. Guo wanqin, Wu Kunpeng, Wei Junfeng, Zhu Yu, Wang Rongjun, 2015 joint survey data set of GPS control points in the main peak area of Nianqing Tanggula Mountain, national glacier, frozen soil and desert scientific data center（ www.ncdc.ac.cn )，2019，doi：10.12072/DIMaC.0066.2020.db", "ds_abstract": "This data set is for the main peak area of Nianqing Tanggula Mountain, mainly including karigan glacier, the main peak of Nianqing Tanggula Mountain. The GPS control point joint measurement data set includes the serial number, longitude, latitude and elevation of the control point. The data set contains 19 records, which are mainly obtained by purchasing the national level 1 control points in the region, using the national level 1 control points for static measurement, synchronous measurement time of more than 1 hour, obtaining the glacier area control points through solution, and dynamic joint measurement through DGPS RTK. The data set is only aimed at the elevation of the glacier surface in 2015, so it is not supplemented and fully open for sharing. 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": "Main peak of Nianqing Tanggula Mountain", "ds_space_res": "", "ds_projection": "", "ds_process_way": "Through purchasing the national first-class control points in the region, the global positioning system (GPS) of Huace T5 model is used for synchronous measurement for more than 1 hour, and the control points in the glacier area are obtained through the solution of hCG software; 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 reviewed.
", "ds_ref_instruction": "\nIn 2015, the joint survey data set of GPS control points in the main peak area of Nianqing Tanggula Mountain 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 environment and Engineering in cold and arid areas of 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, "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": [ "GPS", "控制点", "念青唐古拉山主峰" ], "ds_subject_tags": [], "ds_class_tags": [], "ds_locus_tags": [ "ianqing Tang Gula Mountain main peak" ], "ds_time_tags": [ 2015 ], "ds_contributors": [ { "true_name": "郭万钦", "email": "guowq@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" }, { "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": "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": "朱钰", "email": "", "work_for": "中国科学院西北生态环境资源研究院", "country": "" }, { "true_name": "王荣军", "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": "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": "郭万钦", "email": "guowq@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" } ], "category": "冰川" }