本数据集针对昆仑山中段玉珠峰地区的玉珠峰冰川，数据内容为2015年在玉珠峰冰川开展的野外GPR冰川厚度测量成果，数据格式为TXT文本文件格式，包含75条点位测量记录。数据集包含2015年玉珠峰地区玉珠峰冰川野外GPR厚度测量成果，文件为TXT文本文件，包含的内容为2015年在玉珠峰地区玉珠峰冰川的GPR冰川厚度测量点位信息。数据文件中的要素（均为测量点的）：序号；经度（单位：度（°）），精确到小数点后8位；纬度（单位：度（°）），精确到小数点后8位；厚度（单位：米(m)），精确到小数点后1位。数据集空间参考WGS-84坐标系统，平面坐标精度为±5 m，厚度精度约5%。
", "ds_source": "2015年野外实测数据。
", "ds_process_way": "以加拿大生产的EKKO-Pro型探地雷达，并采用50和100MHz两种天线，对冰川厚度进行雷达测量。在测量之前，首先利用皮尺和不同频率天线，检测了冰川冰中雷达波的传播速度，并将其应用到雷达主机的厚度计算中，获得最高精度级别的冰川厚度。
", "ds_quality": "用探地雷达测量前，先进行雷达波速在冰川冰内传播速度的测量，并对探地雷达相关参数进行修改，确保获取对应冰川最精确的厚度数据。
", "ds_acq_start_time": "2015-01-01 00:00:00", "ds_acq_end_time": "2015-12-31 00:00:00", "ds_acq_place": "玉珠峰", "ds_acq_lon_east": 94.23166666666667, "ds_acq_lat_south": 35.63944444444444, "ds_acq_lon_west": 94.22027777777778, "ds_acq_lat_north": 35.64555555555555, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "apply-access", "ds_total_size": 19196, "ds_files_count": 3, "ds_format": "TXT", "ds_space_res": "", "ds_time_res": "", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": null, "ds_thumb_from": 2, "ds_ref_way": "郭万钦, 魏俊锋, 鲍伟佳，刘时银, 等.中国科学院西北生态环境资源研究院. 2015年玉珠峰冰川冰下地形数据集. 2019。郭万钦, 朱钰，2015年玉珠峰冰川冰下地形数据集，国家冰川冻土沙漠科学数据中心(www.ncdc.ac.cn)，2019，doi：10.12072/DIMaC.0024.2020.db", "paper_ref_way": "", "ds_ref_instruction": "2015年玉珠峰冰川冰下地形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）”。收集数据产权属于原数据所有单位，调查数据产权属于中国科学院西北生态环境资源研究院。使用数据时需注明来源。本数据集可用文本类软件打开查看，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": "2020-12-09 15:37:15", "last_updated": "2023-05-16 17:34:40", "protected": false, "protected_to": "2022-12-06 00:00:00", "lang": "zh", "cstr": "11738.11.ncdc.DIMaC.2020.81", "i18n": { "en": { "title": "Under ice terrain data set of yuzhufeng glacier in 2015", "ds_format": "", "ds_source": "Field measurement data in 2015.
", "ds_quality": "Before using ground penetrating radar (GPR), the propagation velocity of radar wave velocity in glacier ice is measured, and the parameters of GPR are modified to ensure the most accurate thickness data of corresponding glacier.
", "ds_ref_way": "\nGuo wanqin, Wei Junfeng, Bao Weijia, Liu Shiyin, et al. Northwest Institute of ecological environment and resources, Chinese Academy of Sciences. 2015 subglacial terrain data set of yuzhufeng glacier. 2019. Guo wanqin, Zhu Yu, 2015 yuzhufeng glacier subglacial terrain data set, national glacier frozen soil desert scientific data center（ www.ncdc.ac.cn )，2019，doi：10.12072/DIMaC.0024.2020.db", "ds_abstract": "This data set is for the yuzhufeng glacier in the middle section of Kunlun Mountains. The data content is the field GPR glacier thickness measurement results carried out in yuzhufeng glacier in 2015. The data format is TXT text file format, including 75 point measurement records. The data set contains the field GPR thickness measurement results of yuzhufeng glacier in yuzhufeng area in 2015. The file is a text file of TXT, which contains the GPR thickness measurement point information of yuzhufeng glacier in yuzhufeng area in 2015. Elements in the data file (all measuring points): serial number; longitude (unit: Degree (°)), accurate to 8 decimal places; latitude (unit: Degree (°)), accurate to 8 decimal places; thickness (unit: meter (m)), accurate to 1 decimal place. The data set space refers to WGS-84 coordinate system, the plane coordinate accuracy is ± 5 m, and the thickness accuracy is about 5%.
", "ds_time_res": "", "ds_acq_place": "Yuzhu Peak", "ds_space_res": "", "ds_projection": "", "ds_process_way": "Using ekko Pro ground penetrating radar produced in Canada, and using 50 and 100MHz antennas, the glacier thickness was measured by radar. Before the measurement, firstly, the radar wave propagation velocity in glacier ice is detected by using the tape and antenna of different frequencies, and it is applied to the thickness calculation of radar host to obtain the glacier thickness with the highest accuracy.
", "ds_ref_instruction": "\nThe data set of subglacial topography of yuzhufeng glacier in 2015 is derived from the special project of basic scientific and technological work \"survey of ice volume change in major glaciation centers in Western China (2013fy111400)\". The property right of the collected data belongs to the original data owner, and the property right of the survey data belongs to the Northwest Institute of ecological environment and resources, Chinese Academy of Sciences. The source should be indicated when using the data. This data set can be opened and viewed by text software or imported into GIS software for graphic visualization." } }, "submit_center_id": "ncdc", "data_level": 0, "license_type": "CC BY 4.0", "ds_topic_tags": [ "GPR", "冰厚", "玉珠峰" ], "ds_subject_tags": [], "ds_class_tags": [], "ds_locus_tags": [ "玉珠峰" ], "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": "朱钰", "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": "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" }