该数据集为2023-2024年大兴安岭东坡卡马兰河流域多年冻土探地雷达测量数据，使用探地雷达仪器(PulseEKKO)对大兴安岭东坡卡马兰河流域多年冻土活动层进行探测。数据集采集覆盖了经纬度、不同海拔、地表类型、优势物种。观测测线用来获取剖面有效的反射层位信息。该数据集可为了解该区域活动层冻结界面提供详细的野外数据，对冻土研究提供验证数据集。\n
数据包含测线号、经度、纬度、海拔高度、发射机位置、接收机位置、步长（m）、天线距离、剖面长度（m）、反射层位、速度（m/ns）、时间窗口（ns）和叠加方式。", "ds_source": "
本数据由黑龙江省寒区地理环境监测与空间信息服务重点实验室提供，使用探地雷达仪器(PulseEKKO)对大兴安岭东坡卡马兰河流域多年冻土活动层进行探测。数据采集覆盖了经纬度、不同海拔、地表类型，可为了解该区域活动层厚度提供详细的野外数据，对冻土研究提供验证数据集。", "ds_process_way": "
采用100MHz低频非屏蔽天线的探地雷达主要由控制模块、电池、电缆、发射天线和接收天线构成。探地雷达发射天线向外发射电磁波，电磁波在介电性均一的单层土壤中的传播路径。部分电磁波通过空气直接从发射天线传播到接收天线，这些电磁波称为空气波。地表波沿着土壤表面传播到接收天线，其路程可近似看作两个天线之间的间距。反射波或折射波穿过地表到达地下介质，当电磁波遇到电性差异大的分界面、目标体或者具有不同介电常数的材料(如土壤中的侵入体、土壤孔隙和土层中的不同土壤体积含水量)时，探地雷达电磁波的振幅、频率和相位都会发生变化，从而发生散射和反射，并从不同的界面返回接收天线。接收天线接收各种电磁波，传输在控制模块中，控制模块主要用于处理接收天线获取的雷达波信号，将雷达波电信号转换为时延、水平移动距离、深度等参数。采用250MHz低频非屏蔽天线的探地雷达的发射天线和接收天线与100MHz的有所差异，但其探测原理相同。随后，使用专属的软件EKKO对100MHz和250MHz测线进行影像处理，主要消除空气直达波和地面直达波对测线的影响，通过点击“process”选择“Highpass”、“DC Removal”等一系列操作使测线效果更加明显，获取剖面有效的反射层位。", "ds_quality": "
利用探地雷达仪器(PulseEKKO)的100MHZ和250MHZ的天线测量。首先，设置仪器参数：频率、时间窗口、步长、采样间隔等。其次，运行系统：scope检测、扫描、开始测量，共观测63个100MHZ测线和19个250MHZ测线。数据质量良好，但存在部分测线无法准确获取有效反射层位信息。", "ds_acq_start_time": "2023-07-01 00:00:00", "ds_acq_end_time": "2024-08-31 00:00:00", "ds_acq_place": "大兴安岭东坡卡马兰河流域", "ds_acq_lon_east": 123.5, "ds_acq_lat_south": 51.86611111111111, "ds_acq_lon_west": 122.61944444444444, "ds_acq_lat_north": 52.35888888888889, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "login-access", "ds_total_size": 162732, "ds_files_count": 256, "ds_format": "*.xlsx", "ds_space_res": "", "ds_time_res": "日", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "6c99dbef-a72f-4502-8860-749b5628f12a.png", "ds_thumb_from": 0, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "", "ds_from_station": null, "organization_id": "221ebf56-1b0b-4574-972b-1fb6d3cf1be7", "ds_serv_man": "敏玉芳", "ds_serv_phone": "0931-4967596", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "", "subject_codes": [ "170.45" ], "quality_level": 3, "publish_time": "2026-03-31 18:21:02", "last_updated": "2026-05-11 17:45:52", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.NCDC.NIEER.DB7239.2026", "i18n": { "en": { "title": "Ground Penetrating Radar Measurement Data of Permafrost in the Kamaran River Basin on the East Slope of Daxing'an Mountains (2023-2024)", "ds_format": "*.xlsx", "ds_source": "
This data is provided by the Key Laboratory of Geographic Environment Monitoring and Spatial Information Services in Cold Regions of Heilongjiang Province. The ground penetrating radar instrument (PulseEKKO) was used to detect the permafrost activity layer in the Kamaran River Basin on the east slope of the Greater Khingan Range. The data collection covers latitude and longitude, different altitudes, and surface types, providing detailed field data for understanding the thickness of active layers in the region and providing a validation dataset for permafrost research.", "ds_quality": "
Measure with antennas at 100MHz and 250MHz using a ground penetrating radar instrument (PulseEKKO). Firstly, set the instrument parameters: frequency, time window, step size, sampling interval, etc. Secondly, run the system: scope detection, scanning, and start measurement, observing a total of 63 100MHz measurement lines and 19 250MHz measurement lines. The data quality is good, but there are some survey lines that cannot accurately obtain effective reflection layer information.", "ds_ref_way": "", "ds_abstract": "
This dataset consists of ground penetrating radar measurement data of permafrost in the Kamaran River Basin on the eastern slope of the Greater Khingan Range from 2023 to 2024. The active layer of permafrost in the Kamaran River Basin on the eastern slope of the Greater Khingan Range was detected using a ground penetrating radar instrument (PulseEKKO). The dataset collection covers latitude and longitude, different altitudes, surface types, and dominant species. Observation lines are used to obtain effective reflection layer information of profiles. This dataset can provide detailed field data for understanding the frozen interface of the active layer in the region and provide a validation dataset for frozen soil research.\r\n
The data includes line number, longitude, latitude, altitude, transmitter position, receiver position, step size (m), antenna distance, profile length (m), reflection horizon, velocity (m/ns), time window (ns), and stacking method.", "ds_time_res": "", "ds_acq_place": "Kamaran River Basin on the East Slope of Daxing'an Mountains", "ds_space_res": "", "ds_projection": "", "ds_process_way": "
The ground penetrating radar using a 100MHz low-frequency unshielded antenna mainly consists of a control module, battery, cable, transmitting antenna, and receiving antenna. The ground penetrating radar transmitting antenna emits electromagnetic waves outward, and the propagation path of electromagnetic waves in a single-layer soil with uniform dielectric properties. Part of the electromagnetic waves propagate directly from the transmitting antenna to the receiving antenna through the air, and these electromagnetic waves are called air waves. Surface waves propagate along the soil surface to the receiving antenna, and their distance can be approximated as the distance between two antennas. Reflected or refracted waves pass through the surface and reach underground media. When electromagnetic waves encounter interfaces with large electrical differences, target bodies, or materials with different dielectric constants (such as intrusive bodies in soil, soil pores, and different soil volume moisture contents in soil layers), the amplitude, frequency, and phase of ground penetrating radar electromagnetic waves will change, resulting in scattering and reflection, and returning to the receiving antenna from different interfaces. The receiving antenna receives various electromagnetic waves and transmits them to the control module. The control module is mainly used to process the radar wave signals obtained by the receiving antenna and convert them into parameters such as time delay, horizontal movement distance, and depth. The transmitting and receiving antennas of a ground penetrating radar using a 250MHz low-frequency unshielded antenna are different from those of a 100MHz antenna, but their detection principles are the same. Subsequently, the dedicated software EKKO was used to perform image processing on the 100MHz and 250MHz survey lines, mainly to eliminate the influence of air direct waves and ground direct waves on the survey lines. By clicking on \"process\" and selecting a series of operations such as \"Highpass\" and \"DC Removal\", the survey line effect was made more obvious, and effective reflection layers of the profile were obtained.", "ds_ref_instruction": "" } }, "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": [ "探地雷达", "活动层", "卡马兰河流域" ], "ds_subject_tags": [ "地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "大兴安岭东坡卡马兰河流域" ], "ds_time_tags": [ 2023, 2024 ], "ds_contributors": [ { "true_name": "臧淑英", "email": "zsy6311@163.com", "work_for": "哈尔滨师范大学", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "李彪", "email": "libiao202101@163.com", "work_for": "哈尔滨师范大学", "country": "中国" }, { "true_name": "满浩然", "email": "hr_man@ldu.edu.cn", "work_for": "哈尔滨师范大学", "country": "中国" } ], "ds_managers": [ { "true_name": "孙丽", "email": "sunli_wabb@163.com", "work_for": "哈尔滨师范大学", "country": "中国" } ], "category": "冻土" }