本数据集包含塔吉克斯坦Gunt River、Vakhsh river、Varzob River、Kafernigan River、Karatag River、Yakhsu River、Kyzylsu River 7条河流（11个观测点）的水质矿化度数据和其中3条河流Kafernigan River、Panj river和Vakhsh river 的水位和耗水量数据，以及Vakhsh river和Karatag River的气象站的月降水量和月气温数据。矿化度数据包括矿化度、悬浮物、酸碱度、钠含量、钾含量、含氧量、化学需氧量、氮含量、亚硝酸氮、硝酸氮、总氮量和磷含量12个指标，每年采集1-3次水样，分别记录月采样值、年平均值和矿化度、悬浮物最大允许浓度值。
", "ds_source": "由塔吉克斯坦科学院水问题研究所提供，经中科院先导课题购置，购置的原始数据是doc格式的文件。
", "ds_process_way": "把doc格式的文件转换成xls格式的文件，数据内容未经加工处理，对每个文件进行了重新命名。
", "ds_quality": "从1990有记录以来水质数据的缺失时间集中发生在1994-1997年，很可能和当时的社会形式变化有关。水文数据包括耗水量、水位指标，记录每月观测值和年平均值，各站都有不同时间上的记录缺失情况，水文数据记录的缺失可能与海拔、气温、季节变化有关，连续出现多年没有记录的情况，有可能是设备故障导致。
", "ds_acq_start_time": "1990-01-01 00:00:00", "ds_acq_end_time": "2015-12-31 00:00:00", "ds_acq_place": "塔吉克斯坦", "ds_acq_lon_east": null, "ds_acq_lat_south": null, "ds_acq_lon_west": null, "ds_acq_lat_north": null, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "apply-access", "ds_total_size": 667775, "ds_files_count": 8, "ds_format": "xls", "ds_space_res": "无", "ds_time_res": "月", "ds_coordinate": "无", "ds_projection": "无", "ds_thumbnail": "2218deef-816f-4d86-8844-02e257fb6dd1.png", "ds_thumb_from": 2, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "", "ds_from_station": null, "organization_id": "a5877b42-96ea-4f13-af7e-246f355413d6", "doi_value": "", "subject_codes": [ "170.55" ], "quality_level": 1, "publish_time": "2025-01-15 16:35:53", "first_publish_time": null, "last_updated": "2025-03-24 18:47:41", "protected": false, "protected_to": null, "lang": "zh", "cstr": "33110.11.ariddc.00277", "license": null, "extra": null, "files_shape": [ { "name": "水文观测站信息表.xlsx", "size": 11494, "is_dir": false }, { "name": "TJK_River_Mineralization_Hydro-1990-2015-data", "size": null, "is_dir": true } ], "features": null, "data_level": 0, "i18n": { "en": { "title": "1990-2015 Mineralization and Hydrology Data Set of Selected Rivers in Tajikistan in 2001", "ds_abstract": "This dataset includes water quality mineralization data of seven rivers (11 observation points) in Tajikistan: Gunt River, Vakhsh river, Varzob River, Kafernigan River, Karatag River, Yakhsu River, and Kyzylsu River, as well as water level and water consumption data of three rivers, Kafernigan River, Panj River and Vakhsh River, as well as monthly precipitation and monthly temperature data of meteorological stations in Vakhsh river and Karatag River. Mineralization data includes 12 indicators: Mineralization, suspended matter, pH, sodium content, potassium content, oxygen content, chemical oxygen demand, nitrogen content, nitrite nitrogen, nitrate nitrogen, total nitrogen and phosphorus content. Water samples are collected 1-3 times a year, and monthly sampling values, annual average values, and maximum allowable concentration values of mineralization and suspended matter are recorded respectively.
", "ds_source": "Provided by the Institute of Water Issues of the Tajikistan Academy of Sciences and purchased through a pilot project of the Chinese Academy of Sciences. The raw data purchased are documents in doc format.
", "ds_process_way": "Files in doc format were converted into files in xls format. The data content was unprocessed, and each file was renamed.
", "ds_quality": "The missing time in water quality data since records began in 1990 occurred mainly from 1994 to 1997, which is likely related to changes in social forms at that time. Hydrological data includes water consumption and water level indicators, recording monthly observation values and annual average values. Each station has missing records at different times. The missing records of hydrological data may be related to altitude, temperature, and seasonal changes, and have occurred continuously for many years. If there is no record, it may be caused by equipment failure.
", "ds_acq_place": "Tajikistan", "ds_format": "xls", "ds_projection": "no", "ds_space_res": "no", "ds_time_res": "months" } }, "license_type": null, "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": [ "河流", "水文", "矿化度" ], "ds_subject_tags": [ "水文学" ], "ds_class_tags": [], "ds_locus_tags": [ "塔吉克斯坦" ], "ds_time_tags": [ 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 ], "ds_contributors": [ "李耀明" ], "ds_meta_authors": [ "李锦" ], "ds_managers": [ "李耀明" ], "category": "水文" }