该数据集包含了通量观测矩阵中15测点(大满超级站)2012年5月27日至9月21日的大气水汽氢氧稳定同位素比值和通量数据集、玉米土壤和茎秆氢氧稳定同位素比值数据集；13测点航空遥感飞行时大气水汽氢氧稳定同位素比值数据集、13和15测点航空遥感飞行时玉米土壤和茎秆氢氧稳定同位素比值数据集。站点位于甘肃省张掖市盈科灌区农田内，下垫面均是玉米。15测点的经纬度是100.3722E，38.8555N，
", "ds_source": "15测点大气水汽氢氧稳定同位素比值和通量数据集的项目包括：Timestamp（时间，timestamp without time zone），Number（有效数据数量），δD of r1（下进气口δD，‰），δD of r2（上进气口δD，‰），δ18O of r1（下进气口δ18O，‰），δ18O of r2上进气口δ18O（‰），vapor mixing ratio of r1（下进气口水汽混合比，mmol/mol)，vapor mixing ratio of r2（上进气口水汽混合比，mmol/mol），δET_D（蒸散δD，‰），δET_18O（蒸散δ18O，‰）；15测点玉米土壤和茎秆氢氧稳定同位素比值数据集的项目包括Timestamp（时间，timestamp without time zone)，Remark（处理：裸地土壤Ld=1；覆膜土壤Fm=2；父本土壤F=3；茎秆Xylem=4），δD（‰），δ18O（‰）。
", "ds_process_way": "15测点的经纬度是100.3722E，38.8555N， 13测点的经纬度是 100.3785E，38.8607N，海拔1552.75m。15测点采用大气水汽δ18O和δD比值和通量的原位连续观测系统进行连续观测，该系统两个进气口高度为玉米冠层上方0.5m和1.5m，采样频率为0.2Hz，进气口切换时间为2min，数据时间间隔为1hr；玉米土壤和茎秆水样品的采样频率为1~3d。13测点采用大气水汽δ18O和δD比值和通量的移动观测系统进行短期观测；大气水汽、玉米土壤和茎秆水样品的采样频率与航空遥感飞行相匹配。
", "ds_quality": "13测点航空遥感飞行时大气水汽氢氧稳定同位素比值数据集的项目包括Timestamp1（开始时间，timestamp without time zone)，Timetamp2（结束时间，timestamp without time zone)，Height（观测高度，cm），δD（‰），δ18O（‰）。13和15测点航空遥感飞行时玉米土壤和茎秆氢氧稳定同位素比值数据集的项目包括Timestamp(时间，timestamp without time zone)，Remark（处理：裸地土壤Ld=1；覆膜土壤Fm=2；茎秆Xylem=4），δD（‰），δ18O（‰），Location（测点：13或15测点）；缺失数据标记为-6999。
", "ds_acq_start_time": "2012-05-27 00:00:00", "ds_acq_end_time": "2012-09-27 00:00:00", "ds_acq_place": "黑河流域中游", "ds_acq_lon_east": 100.37833333333333, "ds_acq_lat_south": 38.85527777777778, "ds_acq_lon_west": 100.37194444444444, "ds_acq_lat_north": 38.86055555555556, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "apply-access", "ds_total_size": 532217, "ds_files_count": 2, "ds_format": "excel", "ds_space_res": null, "ds_time_res": "日", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "d4b0ff6c-8741-4de4-ba46-ea0e6cb8280e.png", "ds_thumb_from": 0, "ds_ref_way": "刘绍民，黑河生态水文遥感试验：非均匀下垫面地表蒸散发的多尺度观测试验-通量观测矩阵（稳定同位素观测数据集-2012），国家冰川冻土沙漠科学数据中心(www.ncdc.ac.cn)，2020，doi：10.12072/ncdc.NIEER.db0064.2020", "paper_ref_way": "", "ds_ref_instruction": "本数据由“黑河生态水文遥感试验（HiWATER）”产生，用户在使用数据时请在正文中明确声明数据的来源，并在参考文献部分引用本元数据提供的引用方式。", "ds_from_station": null, "organization_id": "c94b3578-20da-4346-9de9-c702b6ca8983", "ds_serv_man": "敏玉芳", "ds_serv_phone": "0931-4967596 ", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "", "subject_codes": null, "quality_level": 3, "publish_time": "2021-08-30 14:44:38", "last_updated": "2021-08-30 14:44:38", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.nieer.2020.1608", "i18n": { "en": { "title": "Eco hydrological remote sensing experiment of Heihe River: multi scale observation experiment of surface evapotranspiration over heterogeneous underlying surface flux observation matrix (stable isotope observation data set-2012)", "ds_format": "", "ds_source": "The items of atmospheric water vapor hydrogen oxygen stable isotope ratio and flux data set at 15 measuring points include: timestamp (time zone), number (effective data quantity), δ D of R1 (lower air inlet) δ D，‰）， δ D of R2 (upper air inlet) δ D，‰）， δ 18O of R1 (lower air inlet) δ 18O，‰）， δ 18O of R2 upper air inlet δ 18O (‰), vapor mixing ratio of R1 (lower inlet water vapor mixing ratio, mmol / mol), vapor mixing ratio of R2 (upper inlet water vapor mixing ratio, mmol / mol), δ ET_ D (evapotranspiration) δ D，‰）， δ ET_ 18O (evapotranspiration) δ 18O，‰）； The items of the data set of hydrogen and oxygen stable isotope ratio of corn soil and stem at 15 measuring points include timestamp (time zone), remark (treatment: bare soil LD = 1; Film covered soil FM = 2; Male parent soil f = 3; Stem xylem = 4), δ D（‰）， δ 18O（‰）。
", "ds_quality": "The items in the data set of hydrogen oxygen stable isotope ratio of atmospheric water vapor during aerial remote sensing flight of 13 measuring points include timestamp 1 (start time, timestamp without time zone), timestamp 2 (end time, timestamp without time zone), height (observation altitude, CM), δ D（‰）， δ 18O（‰）。 The data sets of hydrogen and oxygen stable isotope ratios of corn soil and stem during aerial remote sensing flight at measuring points 13 and 15 include timestamp (time zone), remark (treatment: bare soil LD = 1; Film covered soil FM = 2; Stem xylem = 4), δ D（‰）， δ 18O (‰), location (measuring point: 13 or 15 measuring points); Missing data is marked - 6999
", "ds_ref_way": "", "ds_abstract": "The data set includes the hydrogen and oxygen stable isotope ratio and flux data set of atmospheric water vapor from May 27 to September 21, 2012 at 15 measuring points (Daman super station) in the flux observation matrix, and the hydrogen and oxygen stable isotope ratio data set of corn soil and stem; The data set of hydrogen and oxygen stable isotope ratio of atmospheric water vapor during aerial remote sensing flight at 13 measuring points, and the data set of hydrogen and oxygen stable isotope ratio of corn soil and stem during aerial remote sensing flight at 13 and 15 measuring points. The station is located in the farmland of Yingke Irrigation District, Zhangye City, Gansu Province, and the underlying surface is corn. The longitude and latitude of 15 measuring points are 100.3722e, 38.8555n
", "ds_time_res": "日", "ds_acq_place": "Middle reaches of Heihe River Basin", "ds_space_res": "", "ds_projection": "", "ds_process_way": "The longitude and latitude of 15 measuring points are 100.3722e, 38.8555n, and the longitude and latitude of 13 measuring points are 100.3785e, 38.8607n, with an altitude of 1552.75m. 15. Atmospheric water vapor is adopted for measuring points δ 18O and δ The two air inlets of the system are 0.5m and 1.5m above the corn canopy, the sampling frequency is 0.2hz, the air inlet switching time is 2min, and the data time interval is 1hr; The sampling frequency of corn soil and stem water samples was 1 ~ 3D. 13. Atmospheric water vapor is adopted for measuring points δ 18O and δ D ratio and flux of mobile observation system for short-term observation; The sampling frequencies of atmospheric water vapor, corn soil and stem water samples were matched with aerial remote sensing flight
", "ds_ref_instruction": " " } }, "submit_center_id": "ncdc", "data_level": 0, "license_type": "CC 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": [ "生态系统蒸散", "土壤蒸发", "稳定同位素观测系统", "生态水文", "植物蒸腾" ], "ds_subject_tags": [ "自然地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "中游人工绿洲试验区", "通量观测矩阵", "黑河流域" ], "ds_time_tags": [ 2012 ], "ds_contributors": [ { "true_name": "刘绍民", "email": "smliu@bnu.edu.cn", "work_for": "北京师范大学", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "温学发", "email": "", "work_for": "中国科学院地理科学与资源研究所", "country": "中国" } ], "ds_managers": [ { "true_name": "徐自为", "email": "xuzw@bnu.edu.cn", "work_for": "北京师范大学地理学与遥感科学学院", "country": "中国" } ], "category": "遥感及产品" }