本数据集针对昆仑山煤矿冰川，数据集包括序号、经度、纬度、厚度。数据集包含113个测点。利用探地雷达(GPR) (Pulse EKKO PRO100)进行测厚工作。先进行雷达波速在冰川冰内传播速度的测量，对探地雷达相关参数进行修改和设置。中心频率为100MHz，天线距离1.5m，测量间隔20m。采用剖面法与点测法相结合的方法，同时对测点进行了GPS 定位。采用协议共享。数据集包含序号（单位：年月日）、经度（单位：度（°））、纬度（单位：度（°））、厚度（单位：米(m)，即当年测点处冰厚度）4个字段。空间基准为WGS84，雷达测厚精度控制在1cm以内。
", "ds_source": "自主产生。
", "ds_process_way": "在数据实测中，先进行雷达波速在冰川冰内传播速度的测量，对探地雷达相关参数进行修改和设置，中心频率为100MHz，天线距离1.5m，测量间隔20m；采用剖面法与点测法相结合的方法，同时对测点进行了GPS 定位；测量过程规范化和标准化，并严格复核。
", "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": "2015-05-01 00:00:00", "ds_acq_end_time": "2015-05-31 00:00:00", "ds_acq_place": "昆仑山煤矿冰川", "ds_acq_lon_east": 94.1863888888889, "ds_acq_lat_south": null, "ds_acq_lon_west": null, "ds_acq_lat_north": 35.67222222222222, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "apply-access", "ds_total_size": 27507, "ds_files_count": 3, "ds_format": "TXT", "ds_space_res": "", "ds_time_res": "", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "3bcc83e2-06f2-437b-adc9-3f89b3e0bb80.png", "ds_thumb_from": 2, "ds_ref_way": "李真，王宁练，陈安安， 等. 中科院寒区旱区环境与工程研究所. 2015年昆仑山煤矿冰川底部地形数据集. 2019。李真, 魏文霞，2015年昆仑山煤矿冰川底部地形数据集，国家冰川冻土沙漠科学数据中心(www.ncdc.ac.cn)，2019，doi：10.12072/DIMaC.0020.2020.db", "paper_ref_way": "", "ds_ref_instruction": "2015年昆仑山煤矿冰川底部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）”。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": "2020-12-14 11:37:23", "last_updated": "2023-05-16 17:34:29", "protected": false, "protected_to": "2022-12-06 00:00:00", "lang": "zh", "cstr": "11738.11.ncdc.DIMaC.2020.136", "license": null, "i18n": { "en": { "title": "2015 Topographic dataset of the glacier base in the Kunlun Mountains coal mine", "ds_format": "", "ds_source": "Self generated.
", "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": "\nLi Zhen, Wang Ninglian, Chen An'an, et al. Institute of environment and Engineering in cold and arid areas, Chinese Academy of Sciences. Data set of glacier bottom topography in Kunlun Mountain coal mine, 2015. 2019. Li Zhen, Wei Wenxia, 2015 Kunlun Mountain coal mine glacier bottom terrain data set, national glacier frozen soil desert scientific data center（ www.ncdc.ac.cn )，2019，doi：10.12072/DIMaC.0020.2020.db", "ds_abstract": "This data set is aimed at Kunlun Mountain coal mine glacier, including serial number, longitude, latitude and thickness. The data set contains 113 measuring points. Ground penetrating radar (GPR) (pulse ekko pro100) is used for thickness measurement. Firstly, the propagation velocity of radar wave velocity in glacier ice is measured, and the related parameters of GPR are modified and set. The center frequency is 100MHz, the antenna distance is 1.5m, and the measurement interval is 20m. At the same time, the GPS positioning of the survey points is carried out. Protocol sharing is adopted. The data set contains four fields: serial number (unit: year, month and day), longitude (unit: Degree (°)), latitude (unit: Degree (°)) and thickness (unit: meter (m), that is, ice thickness at the measuring point in the current year). The space datum is WGS84, and the accuracy of radar thickness measurement is controlled within 1cm.
", "ds_time_res": "", "ds_acq_place": "Kunlun Mountain coal mine glacier", "ds_space_res": "", "ds_projection": "", "ds_process_way": "In the data measurement, the propagation velocity of radar wave velocity in glacier ice is measured first, and the relevant parameters of GPR are modified and set. The center frequency is 100MHz, the antenna distance is 1.5m, and the measurement interval is 20m. The method of combining profile method with point measurement method is adopted, and the GPS positioning of the measuring points is carried out. The measurement process is standardized and standardized, and strictly rechecked.
", "ds_ref_instruction": "\nThe data set of glacier bottom topography in Kunlun Mountain coal mine in 2015 is from the special project of basic scientific and technological work \"survey of ice quantity 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", "ds_topic_tags": [ "GPR", "昆仑山煤矿冰川", "冰厚" ], "ds_subject_tags": [], "ds_class_tags": [], "ds_locus_tags": [ "昆仑山煤矿冰川" ], "ds_time_tags": [ 2015 ], "ds_contributors": [ { "true_name": "李真", "email": "lizhen@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "" }, { "true_name": "魏文霞", "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": "李真", "email": "lizhen@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" }