嫩林铁路沿线多年冻土地温综合数据集（6处钻孔），数据时间为2023年8月1日-2024年3月25日。数据通过现场布设的热敏电阻温度链（冰冻圈科学与冻土工程国家重点实验室研制，测量精度±0.05℃）自动采集，并由CR3000数据采集仪及TRM128深孔测温扩展板记录，采集频率为2h/次。原始观测数据经逐日统计计算生成日尺度数据，形成数据集。本数据集可用于管道沿线冻土热力特性分析、冻土环境监测、工程热扰动研究及相关冻土灾害与环境科学研究。\n
表格数据空间位置信息如下：\n
经度（图强水厂北：122.7209；阿木尔：123.212653；长缨：123.304782；绣峰：124.587094；太阳沟：124.281266；94公里：124.184812）\n
纬度（图强水厂北：52.94937；阿木尔：52.838268；长缨：52.875296绣峰：52.498947；太阳沟：51.310306；94公里：51.149723）", "ds_source": "
本数据集通过国家基准气象站观测数据获取，为加工处理数据。原始观测数据由国家气象信息中心提供，在此基础上通过逐日统计计算生成日尺度数据，形成标准化结构化数据集，便于分析与共享。", "ds_process_way": "
现场布设5处钻孔，使用热敏电阻温度链进行自动观测，测量精度±0.05℃；采集单元包括美国Campbell Scientific公司的CR3000数据采集仪及TRM128深孔测温扩展板。温度探头布设深度覆盖0至25 m，采集频率为2小时一次。\n
遵循标准规范：观测方法符合野外监测规范及相关技术要求，确保监测数据的准确性与代表性。\n
加工处理方法：原始观测数据经逐日统计计算，生成日平均地温数据集；数据未进行插值、模拟或其他二次计算处理。", "ds_quality": "
采集设备定期校准，以保证数据的连续性、准确性和科学适用性。", "ds_acq_start_time": "2022-10-01 00:00:00", "ds_acq_end_time": "2024-10-31 00:00:00", "ds_acq_place": "东北多年冻土区", "ds_acq_lon_east": 124.58722222222222, "ds_acq_lat_south": 51.14972222222222, "ds_acq_lon_west": 122.72083333333333, "ds_acq_lat_north": 52.94944444444444, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "apply-access", "ds_total_size": 280497, "ds_files_count": 0, "ds_format": "*.xlsx", "ds_space_res": "", "ds_time_res": "日", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "91a44545-30c1-4b38-af2b-9696f2e11fdb.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": "2026-04-07 10:27:18", "last_updated": "2026-04-07 10:42:40", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.NCDC.NIEER.DB7291.2026", "license": null, "i18n": { "en": { "title_en": "Comprehensive permafrost ground temperature dataset along the Nenlin Railway in Northeast China (2023-2024)", "ds_format_en": "*.xlsx", "ds_source_en": "
This dataset is obtained through observation data from national benchmark meteorological stations and is processed for data processing. The raw observation data is provided by the National Meteorological Information Center, and on this basis, daily scale data is generated through daily statistical calculations to form a standardized structured dataset for analysis and sharing.", "ds_quality_en": "
The collection equipment is regularly calibrated to ensure the continuity, accuracy, and scientific applicability of the data.", "ds_ref_way_en": "", "ds_abstract_en": "", "ds_time_res_en": "", "ds_acq_place_en": "", "ds_space_res_en": "", "ds_projection_en": "", "ds_process_way_en": "
Set up 5 boreholes on site and use thermistor temperature chains for automatic observation, with a measurement accuracy of ± 0.05 ℃; The acquisition unit includes the CR3000 data acquisition instrument from Campbell Scientific in the United States and the TRM128 deep hole temperature measurement expansion board. The temperature probe is installed at a depth covering 0 to 25 meters, with a collection frequency of once every 2 hours.\r\n
Following standard specifications: The observation method complies with field monitoring standards and relevant technical requirements to ensure the accuracy and representativeness of monitoring data.\r\n
Processing method: The raw observation data is calculated on a daily basis to generate a daily average ground temperature dataset; The data has not been interpolated, simulated, or subjected to any other secondary calculation processing.", "ds_ref_instruction_en": "" } }, "submit_center_id": "ncdc", "data_level": 0, "license_type": "CC 0", "ds_topic_tags": [ "嫩林铁路沿线", "冻土", "地温观测" ], "ds_subject_tags": [ "地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "东北多年冻土区" ], "ds_time_tags": [ 2022, 2023, 2024 ], "ds_contributors": [ { "true_name": "李国玉", "email": "guoyuli@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "高凯", "email": "gaokai@nieer.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": "陈敦", "email": "chendun@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" } ], "ds_managers": [ { "true_name": "陈敦", "email": "chendun@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": "冻土" }