该数据集是2019年咸海流域不同水体的多参数数据，观测时间为2019年7月26日，一天的水化学特征，水体指标包含氯离子浓度、荧光溶解有机物、溶解氧、浊度、总固体悬浮物浓度、铵态氮、游离氨等20个指标。数据以.xlsx格式存储。
", "ds_source": "通过实测获得，测量仪器为YSI EXO2水质多参数测量仪。
", "ds_process_way": "仪器在每次测量之前都根据湖面海拔高度和当地气压进行校正，测量的时间间隔定为1s, 投放速度较慢，保证高连续性地获取数据；得到的原始数据包括了水面以上暴露在空气中的测量数据，在后期处理中予以剔除。
", "ds_quality": "仪器在每次测量之前都根据湖面海拔高度和当地气压进行校正，测量的时间间隔定为1s, 投放速度较慢，保证高连续性地获取数据；得到的原始数据包括了水面以上暴露在空气中的测量数据，在后期处理中予以剔除。
", "ds_acq_start_time": "2019-07-26 00:00:00", "ds_acq_end_time": "2019-07-26 00:00:00", "ds_acq_place": "", "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": 684662, "ds_files_count": 1, "ds_format": ".xlsx格式", "ds_space_res": "无", "ds_time_res": "1秒", "ds_coordinate": "无", "ds_projection": "无", "ds_thumbnail": "28868d6f-db27-4091-aecd-90713e2b4f0d.png", "ds_thumb_from": 0, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "吴敬禄. (2020). 咸海流域水化学空间分布及环境特征（20190726）. 国家青藏高原数据中心. https://doi.org/10.11888/Hydro.tpdc.270447. https://cstr.cn/18406.11.Hydro.tpdc.270447.\r\nWu, J. (2020). Characteristics of hydrochemistry in Lake Aral Sea Catchment (20190726). National Tibetan Plateau / Third Pole Environment Data Center. https://doi.org/10.11888/Hydro.tpdc.270447. https://cstr.cn/18406.11.Hydro.tpdc.270447.", "ds_from_station": null, "organization_id": "a5877b42-96ea-4f13-af7e-246f355413d6", "doi_value": "", "subject_codes": [ "170.55" ], "quality_level": 1, "publish_time": "2025-05-06 11:40:54", "first_publish_time": null, "last_updated": "2025-05-28 14:48:15", "protected": false, "protected_to": null, "lang": "zh", "cstr": "18406.11.Hydro.tpdc.270447", "license": null, "extra": null, "files_shape": [ { "name": "咸海流域水化学空间分布及环境特征（20190726）.xlsx", "size": 684662, "is_dir": false } ], "features": null, "data_level": 0, "i18n": { "en": { "title": "Data on spatial distribution of water chemistry and environmental characteristics in the Aral Sea Basin on July 26, 2019", "ds_abstract": "This dataset is multi-parameter data of different water bodies in the Aral Sea Basin in 2019. The observation time is July 26, 2019. The water chemical characteristics of one day, water body indicators include chloride ion concentration, fluorescent dissolved organic matter, dissolved oxygen, turbidity, and total 20 indicators including suspended solids concentration, ammonium nitrogen, and free ammonia. Data is stored in.xlsx format.
", "ds_source": "Obtained through actual measurement, the measuring instrument is YSI EXO2 water quality multi-parameter measuring instrument.
", "ds_process_way": "Before each measurement, the instrument corrects according to the altitude of the lake surface and the local air pressure. The measurement time interval is set at 1s. The release speed is slow to ensure high continuity of data acquisition; the obtained raw data includes exposure to air above the water surface. Measurement data in the air is eliminated in post-processing.
", "ds_quality": "Before each measurement, the instrument corrects according to the altitude of the lake surface and the local air pressure. The measurement time interval is set at 1s. The release speed is slow to ensure high continuity of data acquisition; the obtained raw data includes exposure to air above the water surface. Measurement data in the air is eliminated in post-processing.
", "ds_ref_instruction": "Wu Jinglu. (2020). Spatial distribution and environmental characteristics of water chemistry in the Aral Sea Basin (20190726). National Qinghai-Tibet Plateau Data Center. https://doi.org/10.11888/Hydro.tpdc.270447. https://cstr.cn/18406.11.Hydro.tpdc.270447.\r\nWu, J. (2020). Characteristics of hydrochemistry in Lake Aral Sea Catchment (20190726). National Tibetan Plateau / Third Pole Environment Data Center. https://doi.org/10.11888/Hydro.tpdc.270447. https://cstr.cn/18406.11.Hydro.tpdc.270447.", "ds_format": ".xlsx format", "ds_projection": "no", "ds_space_res": "no", "ds_time_res": "1 second" } }, "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": [ "电导率", "酸碱度", "氧还原电位", "离子浓度", "溶解氧", "浊度", "固体悬浮物浓度", "水温" ], "ds_subject_tags": [ "水文学" ], "ds_class_tags": [], "ds_locus_tags": [ "咸海" ], "ds_time_tags": [ 2019 ], "ds_contributors": [ "吴敬禄", "刘铁" ], "ds_meta_authors": [ "吴敬禄" ], "ds_managers": [ "刘铁" ], "category": "水文" }