本数据集为2000-2007年塔里木河下游水样水溶性盐分分析，含有三个表2000-2007年塔里木河下游水样水溶性盐分分析报告单.doc、2000-2007年塔里木河下游监测指标数据统计表.doc、数据文档说明.doc主要监测指标有地下水位、地下水水溶性盐分、胡杨光合特性、土壤含水率、盐度和容重特性、土壤盐分、土壤养分、植物生理指标、植物样地。", "ds_source": "
分析内容包括：矿化度、pH、CO3=、HCO3-、Cl-、SO4=、Ca++、Mg++、Na+、K+等13项指标。
", "ds_process_way": "分析方法分别是：矿化度：重量法；总碱度、HCO3-和CO3=：双指示剂滴定法；Cl-：硝酸银滴定法；SO4=：EDTA容量法和铬酸钡光度法；总硬度：EDTA容量法；Ca++、Mg++：EDTA容量法和原子吸收光度法；Na+、K+：火焰光度法和原子吸收光度法；PH值：PHS-2C型数字式酸度计测定；电导率：DDS-307型电导率仪测定。
", "ds_quality": "数据质量优。
", "ds_acq_start_time": "2000-12-07 00:00:00", "ds_acq_end_time": "2007-04-06 00:00:00", "ds_acq_place": "塔里木河下游", "ds_acq_lon_east": 79.65, "ds_acq_lat_south": 34.31666666666667, "ds_acq_lon_west": 93.75, "ds_acq_lat_north": 43.61666666666667, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "login-access", "ds_total_size": 2938368, "ds_files_count": 4, "ds_format": "Excel", "ds_space_res": null, "ds_time_res": "月", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "4d6cec98-808d-47fb-94d1-1e12ac6b7d47.png", "ds_thumb_from": 2, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "None", "ds_from_station": null, "organization_id": "52b7b79b-860c-49a5-9083-9a70cf8bed5a", "ds_serv_man": "敏玉芳", "ds_serv_phone": "0931-4967596", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "", "subject_codes": [ "170.5515" ], "quality_level": 3, "publish_time": "2021-01-12 15:26:23", "last_updated": "2025-04-25 16:02:50", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.nieer.2020.1519", "i18n": { "en": { "title": "Analysis of Water Soluble Salts in Water Samples from the Lower Tarim River (2000-2007)", "ds_format": "Excel", "ds_source": "The analysis includes 13 indicators such as mineralization degree, pH, CO3=, HCO3-, Cl -, SO4=, Ca++, Mg++, Na+, K+, etc.
", "ds_quality": "Excellent data quality.
", "ds_ref_way": "", "ds_abstract": "This dataset is an analysis of water-soluble salts in water samples from the lower reaches of the Tarim River from 2000 to 2007. It contains three tables: the Water Soluble Salt Analysis Report of Water Samples from the Lower Reaches of the Tarim River from 2000 to 2007, the Statistical Table of Monitoring Indicators for the Lower Reaches of the Tarim River from 2000 to 2007, and the Data Document Description. The main monitoring indicators include groundwater level, groundwater water-soluble salts, Populus euphratica photosynthetic characteristics, soil moisture content, salinity and bulk density characteristics, soil salinity, soil nutrients, plant physiological indicators, and plant plots.
", "ds_time_res": "月", "ds_acq_place": "Lower reaches of Tarim River", "ds_space_res": "", "ds_projection": "", "ds_process_way": "The analysis methods are: mineralization degree: weight method; Total alkalinity, HCO3-, and CO3=: dual indicator titration method; Cl-： Silver nitrate titration method; SO4=: EDTA volumetric method and barium chromate photometric method; Total hardness: EDTA volumetric method; Ca++, Mg++: EDTA volumetric method and atomic absorption spectrophotometry; Na+、K+： Flame photometry and atomic absorption spectrophotometry; PH value: measured by PHS-2C digital acidity meter; Conductivity: measured by DDS-307 conductivity meter.
", "ds_ref_instruction": "None" } }, "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": [ "塔里木河下游", "盐分", "水样水融性" ], "ds_subject_tags": [ "水文化学" ], "ds_class_tags": [], "ds_locus_tags": [ "塔里木河下游" ], "ds_time_tags": [ 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 ], "ds_contributors": [ { "true_name": "吴立宗", "email": "wulizong@pric.org.cn", "work_for": "国家极地科学数据中心", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "吴立宗", "email": "wulizong@pric.org.cn", "work_for": "国家极地科学数据中心", "country": "中国" } ], "ds_managers": [ { "true_name": "敏玉芳", "email": "myf@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": "水文" }