本数据集主要包括青藏高原西大滩综合观测场多年冻土活动层温度、水分数据； 监测西大滩活动层2014日均值、2015日均值、2016日均值的活动层水分、土壤温度等指标；主要测定指标有：5cm土壤温度、10cm土壤温度、20cm土壤温度、40cm土壤温度、80cm土壤温度、120cm土壤温度、140cm土壤温度、160cm土壤温度、180cm土壤温度、240cm土壤温度 320cm土壤温度、5cm土壤含水量、10cm土壤含水量、20cm土壤含水量、40cm土壤含水量、80cm土壤含水量、120cm土壤含水量、140cm土壤含水量、160cm土壤含水量、180cm土壤含水量、240cm土壤含水量和320cm土壤含水量。
", "ds_source": "埋设土壤温度和水分探头进行观测 采集时间：1小时采样一次。
", "ds_process_way": "本数据表是由专人收集并经过处理录入，数据表是自动气象站活动层数采仪观测获取的土壤温度和含水量数据；由专人定期从野外取得数据，经过人工校准后计算日均值，然后手工录入整理。
", "ds_quality": "观测以北京时间为准，采样频率每 0.5 h 记录 1 次。土壤温度利用105T 热电偶温度传感器观测，精度为±0.5℃; 土壤水分利用Hydra 土壤湿度传感器观测，精度为±2.5%。
", "ds_acq_start_time": "2014-01-01 00:00:00", "ds_acq_end_time": "2016-12-31 00:00:00", "ds_acq_place": "中国科学院青藏高原冰冻圈观测研究站西大滩观测场", "ds_acq_lon_east": 93.26055555555556, "ds_acq_lat_south": 35.28666666666666, "ds_acq_lon_west": 93.26944444444445, "ds_acq_lat_north": 35.296388888888885, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "apply-access", "ds_total_size": 596133, "ds_files_count": 3, "ds_format": "Excel表格", "ds_space_res": null, "ds_time_res": "日", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "fbd8e9c7-0ae7-4bd7-b295-7de62208be5f.png", "ds_thumb_from": 0, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "", "ds_from_station": null, "organization_id": "b3c14ec7-0cc1-417f-8986-b6fc1352242f", "ds_serv_man": "敏玉芳", "ds_serv_phone": "0931-4967596 ", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "", "subject_codes": [], "quality_level": 3, "publish_time": "2020-12-03 08:51:53", "last_updated": "2024-04-12 09:18:13", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.CCI.2020.95", "i18n": { "en": { "title": "Data of permafrost active layer in Xidatan, Qinghai Tibet Plateau, 2014-2016", "ds_format": "", "ds_source": "\nSoil temperature and moisture probe was embedded for observation and collection time: once an hour.
", "ds_quality": "\nThe observation was based on Beijing time and the sampling frequency was recorded every 0.5 H. The accuracy of soil temperature is ± 0.5 ℃ by 105T thermocouple temperature sensor and ± 2.5% by Hydra soil moisture sensor.
", "ds_ref_way": "", "ds_abstract": "\nThis data set mainly includes the temperature and moisture data of permafrost active layer in Xidatan comprehensive observation site of Qinghai Tibet Plateau; Monitoring the daily mean value of 2014, 2015 and 2016 of Xidatan active layer water, soil temperature and other indicators; the main indicators are: 5cm soil temperature, 10cm soil temperature, 20cm soil temperature, 40cm soil temperature, 80cm soil temperature, 120cm soil temperature, 140cm soil temperature, 160cm soil temperature, 180cm soil temperature, 240cm soil temperature and 320cm soil temperature Soil water content of 5cm, 10cm, 20cm, 40cm, 80cm, 120cm, 140cm, 160cm, 180cm, 240cm and 320cm respectively.
", "ds_time_res": "日", "ds_acq_place": "Xidatan observation site of the Qinghai Tibet Plateau cryosphere observation and research station, Chinese Academy of Sciences", "ds_space_res": "", "ds_projection": "", "ds_process_way": "\nThis data sheet is collected and input by a specially assigned person. The data sheet is the soil temperature and water content data obtained by the automatic weather station active layer data acquisition instrument; the data is regularly obtained from the field by special personnel, and the daily mean value is calculated after manual calibration, and then input and collate manually.
", "ds_ref_instruction": "" } }, "submit_center_id": "ncdc", "data_level": 0, "license_type": "CC BY 4.0", "ds_topic_tags": [ "活动层水分，土壤温度，土壤含水量，" ], "ds_subject_tags": [], "ds_class_tags": [], "ds_locus_tags": [ "青藏高原冰冻圈，西大滩观测场，五道梁观测场，唐古拉观测场" ], "ds_time_tags": [ 2014, 2015, 2016 ], "ds_contributors": [ { "true_name": "吴通华", "email": "thuawu@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院，青藏高原冰冻圈研究站, 冰冻圈科学国家重点实验室, ", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "吴通华", "email": "thuawu@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院，青藏高原冰冻圈研究站, 冰冻圈科学国家重点实验室, ", "country": "中国" }, { "true_name": "胡国杰", "email": "huguojie123@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": "吴通华", "email": "thuawu@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院，青藏高原冰冻圈研究站, 冰冻圈科学国家重点实验室, ", "country": "中国" }, { "true_name": "史健宗", "email": "shijz@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "" } ], "category": "冻土" }