冻土活动层厚度的动态变化是揭示多年冻土响应气候变暖过程、评估生态系统稳定性及水源涵养量的重要参数。本研究利用pulseEKKO地质雷达获取不同处理情况下的冻土活动层厚度数据。该数据具有以下优势：采集速度快、精度高，检测时间覆盖 2023年12月至2025年3月。
", "ds_source": "本研究所用冻土活动层数据由pulseEKKO地质雷达获取。最高叠加次数为65536，中心频率200MHz，空间分辨率0.125m。该数据具备采集速度快、精度高的优势，为研究区水源涵养过程的分析以及冻土修复提供了可靠支撑。
", "ds_process_way": "本研究选取pulseEKKO地质雷达的冻土活动层数据。采用reflexw软件进行处理。
", "ds_quality": "在数据采集过程中，探地雷达具有独有的超高次叠加技术，保证了观测的连续性与稳定性。总体而言，数据具有较高的精度与可靠性，可满足后续水源涵养过程以及冻土恢复分析的需要。
", "ds_acq_start_time": "2023-11-09 00:00:00", "ds_acq_end_time": "2025-03-23 00:00:00", "ds_acq_place": "木里煤田七号坑", "ds_acq_lon_east": 99.33333333333333, "ds_acq_lat_south": 38.15, "ds_acq_lon_west": 99.18333333333334, "ds_acq_lat_north": 38.25, "ds_acq_alt_low": 4100.0, "ds_acq_alt_high": 4100.0, "ds_share_type": "apply-access", "ds_total_size": 41171908, "ds_files_count": 127, "ds_format": "*.GPZ,*.jpg,*.csv,*.xlsx,*.docx", "ds_space_res": "", "ds_time_res": "日", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "f9f937ac-630d-4942-bb91-48a97577b7f9.png", "ds_thumb_from": 0, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "", "ds_from_station": "", "organization_id": "5b99d600-008a-4069-8fc3-7adb9c3f2f8b", "ds_serv_man": "李润杰", "ds_serv_phone": "19899713427", "ds_serv_mail": "648001297@qq.com", "doi_value": "", "subject_codes": [ "170.4510" ], "quality_level": 0, "publish_time": "2026-07-06 15:19:38", "last_updated": "2026-07-23 10:19:34", "protected": false, "protected_to": "2027-10-01 00:00:00", "lang": "zh", "cstr": "11738.11.ncdc.db7667.2026", "i18n": { "en": { "title": "Data set of active layer thickness of frozen soil in Juhugeng No. 7 Well in Muli Kuangqu, Qinghai Province (2023-2025)", "ds_format": "*.GPZ,*.jpg,*.csv,*.xlsx,*.docx", "ds_source": "The frozen soil active layer data used in this study was obtained by PulseEKKO geological radar. The maximum stacking frequency is 65536, the center frequency is 200MHz, and the spatial resolution is 0.125m. This data has the advantages of fast acquisition speed and high accuracy, providing reliable support for the analysis of water conservation process and permafrost restoration in the study area.
", "ds_quality": "During the data collection process, ground penetrating radar has unique ultra-high order superposition technology, ensuring the continuity and stability of observations. Overall, the data has high accuracy and reliability, which can meet the needs of subsequent water source conservation processes and frozen soil restoration analysis.
", "ds_ref_way": "", "ds_abstract": "The dynamic change of the thickness of the active layer of permafrost is an important parameter to reveal the response of permafrost to climate warming, assess ecosystem stability and water conservation. In this study, pulseEKKO geological radar was used to obtain the thickness data of permafrost active layer under different processing conditions. This data has the following advantages: fast collection speed, high accuracy, and the detection time covers the period from December 2023 to March 2025.
", "ds_time_res": "", "ds_acq_place": "No. 7 Pit in Muli Coalfield", "ds_space_res": "", "ds_projection": "", "ds_process_way": "This study selected the permafrost active layer data from PulseEKKO geological radar. Use Reflexw software for processing.
", "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, "belong_to_nieer": false, "allow_update_data": false, "ds_topic_tags": [ "多年冻土活动层", "探地雷达", "环境监测" ], "ds_subject_tags": [ "自然地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "中国", "青海省", "天峻县", "木里煤田七号坑" ], "ds_time_tags": [ 2023, 2024, 2025 ], "ds_contributors": [ { "true_name": "李润杰", "email": "648001297@qq.com", "work_for": "青海大学", "country": "中国" }, { "true_name": "朱元涛", "email": "1303034926@qq.com", "work_for": "青海大学", "country": "中国" }, { "true_name": "黄文德", "email": "453176135@qq.com", "work_for": "青海大学", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "李润杰", "email": "648001297@qq.com", "work_for": "青海大学", "country": "中国" } ], "ds_managers": [ { "true_name": "李润杰", "email": "648001297@qq.com", "work_for": "青海大学", "country": "中国" } ], "category": "冻土" }