本数据集包含两张表：（1）巴丹吉林沙漠包气带剖面水分、离子，（2）巴丹吉林沙漠地下水同位素。主要目的是研究巴丹吉林沙漠地下水的来源和补给量、补给历史。
\n\n计算获取的沙丘包气带补给历史时段为21BC-1971AD，数据采集地点巴丹吉林沙漠巴彦淖尔湖和乌兰吉林湖附
\n\n量纲（度量单位）\n“Depth”量纲：m,“Content”量纲：%,“Cl”量纲：mg/L, “S Water”量纲: Kg/m2 , “S Cl”量纲: mg/m2,“δ18O”量纲：‰；“δ2H”量纲：‰；“3H”量纲:TU
", "ds_source": "数据为自主观测，仪器、设备：液态水稳定同位素分析仪(DLT-100)，离子色谱仪(CS-2500), Quantlus 1220液闪仪\n方法及过程：包气带样品采样间隔为0.25m,钻孔深度30m,沙洋重量含水率采用烘干法测定，用电子天平称取均匀混合后的样本各50g (±0.1g )置于铝盒中，编号并记录，于105℃环境下恒温12小时，称重后计算重量含水率。氯离子采用溶解离心法提取，水土比为5:1，称取沙洋50g,加入250ml去离子水，搅拌静置12小时后离心获取上层清液，用0.45um水系膜过滤，然后用离子色谱仪测试。稳定同位素样品用0.45um水系膜过滤后用液态水稳定同位素分析仪测试，选取3个标样，每测5个样品后测试一次标样，每个样重复6次，计算数据时剔除不合格的，求后四次平均值获取同位素数值
", "ds_process_way": "(1)算法和模型介绍: 依据氯质量平衡和累积原理，计算得到补给历史和补给量。\n(2)参考文献: 1.Edmunds, W.M., Darling, W.G., Kinniburgh, D.G., 1988. Solute profile techniques for recharge estimation in semi-arid areas and arid terrain. In: Simmers, I. (Ed.),Estimation of Natural Groundwater Recharge. Reidel, Dordrect, pp. 139–157. 2.Cook, P.G., Edmunds,W.M., Gaye, C.B., 1992. Estimating paleorecharge and paleoclimate from unsaturated zone profiles. Water Resources Research 28, 2721–2731.\n
", "ds_quality": "1.原始资料数据精度\nδ18O 和δ2H 分别为±0.2‰、±0.6‰，离子浓度的精度为±3%， 3H为0.3TU,年代误差为±20a。\n2.项目数据产生和汇集过程中的相关质量控制措施，包括完整的数据产生过程、使用的方法和标准规范、数据应用范围等内容。\n(1)数据生产过程:严格按照实验规范测试数据\n(2)方法和标准规范: 依据液态水同位素分析方法及水化学分析方法规范\n(3)应用范围: 水文水资源\n3.加工后数据精度\n在加工生成数据表时，剔除了一些明显误差数据。
", "ds_acq_start_time": "1971-01-01 00:00:00", "ds_acq_end_time": "1971-12-31 00:00:00", "ds_acq_place": "巴丹吉林沙漠巴彦淖尔湖和乌兰吉林湖附近", "ds_acq_lon_east": 101.51666666666667, "ds_acq_lat_south": 39.81666666666667, "ds_acq_lon_west": 101.51666666666667, "ds_acq_lat_north": 39.81666666666667, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "apply-access", "ds_total_size": 95232, "ds_files_count": 3, "ds_format": "xls", "ds_space_res": null, "ds_time_res": "", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "9affbda1-7123-41c3-95b4-864f9e0a83a6.png", "ds_thumb_from": 2, "ds_ref_way": "马金珠，巴丹吉林沙漠包气带地下水氢氧稳定同位素与总氯数据集（1000-2009AD），国家冰川冻土沙漠科学数据中心(www.ncdc.ac.cn)，2020，doi：10.12072/ncdc.973Desert.db0029.2020", "paper_ref_way": "", "ds_ref_instruction": "", "ds_from_station": null, "organization_id": "eb2b3ac4-919d-433d-b987-bcee1ae83c9e", "ds_serv_man": "李红星", "ds_serv_phone": "0931-4967592", "ds_serv_mail": "lihongxing@lzb.ac.cn", "doi_value": "", "subject_codes": null, "quality_level": 3, "publish_time": "2020-12-21 11:50:23", "last_updated": "2020-12-21 11:50:23", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.973Desert.2020.138", "i18n": { "en": { "title": "Data set of hydrogen and oxygen stable isotopes and total chlorine in groundwater in vadose zone of Badain Jaran Desert (1000-2009ad)", "ds_format": "", "ds_source": "", "ds_quality": "", "ds_ref_way": "", "ds_abstract": "", "ds_time_res": "", "ds_acq_place": "", "ds_space_res": "", "ds_projection": "", "ds_process_way": "", "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": [ "包气带", "总氯数据", "地下水氢氧稳定同位素" ], "ds_subject_tags": [ "水文学" ], "ds_class_tags": [], "ds_locus_tags": [ "巴彦淖尔湖", "巴丹吉林沙漠", "乌兰吉林湖附近" ], "ds_time_tags": [ 1971 ], "ds_contributors": [ { "true_name": "马金珠", "email": "jzma@lzu.edu.cn", "work_for": "兰州大学西部环境教育重点实验室", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "马金珠", "email": "jzma@lzu.edu.cn", "work_for": "兰州大学西部环境教育重点实验室", "country": "中国" } ], "ds_managers": [ { "true_name": "王涛", "email": "wangtao@lzb.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": "马金珠", "email": "jzma@lzu.edu.cn", "work_for": "兰州大学西部环境教育重点实验室", "country": "中国" } ], "category": "沙漠与荒漠化" }