本数据集采用野外布点采样监测的方法获取乌梁素海水质数据。数据集包括总氮、总磷、氨氮、硝酸盐氮、高锰酸盐指数、化学需氧量等指标，共计5组数据,63条/组，数据集完全开放共享。
", "ds_source": "按照《水环境监测规范》（SL219-2013）规范要求进行现场采样。总氮的测定参照《水质 总氮的测定 碱性过硫酸钾消解紫外分光光度法》（HJ636-2012）、总磷的测定参照《水质 总磷的测定 钼酸铵分光光度法》（GB11893-89）、氨氮的测定参照《水质 氨氮的测定 纳氏试剂分光光度法》（HJ535-2009）、硝酸盐氮的测定参照《水质 硝酸盐氮的测定 紫外分光光度法（试行）》（HJ/T 346-2007）、高锰酸盐指数的测定参照《水质 高锰酸盐指数的测定》（GB 11892-89）、化学需氧量的测定参照《水质 化学需氧量的测定 重铬酸盐法》（HJ 828-2017）。
", "ds_process_way": "按照《水环境监测规范》（SL219-2013）规范要求进行现场采样。总氮的测定参照《水质 总氮的测定 碱性过硫酸钾消解紫外分光光度法》（HJ636-2012）、总磷的测定参照《水质 总磷的测定 钼酸铵分光光度法》（GB11893-89）、氨氮的测定参照《水质 氨氮的测定 纳氏试剂分光光度法》（HJ535-2009）、硝酸盐氮的测定参照《水质 硝酸盐氮的测定 紫外分光光度法（试行）》（HJ/T 346-2007）、高锰酸盐指数的测定参照《水质 高锰酸盐指数的测定》（GB 11892-89）、化学需氧量的测定参照《水质 化学需氧量的测定 重铬酸盐法》（HJ 828-2017）。
", "ds_quality": "点位布设、样品采样、保存及测定均严格按照国家相关标准和规范进行，数据可靠。
", "ds_acq_start_time": "2019-01-01 00:00:00", "ds_acq_end_time": "2020-12-31 00:00:00", "ds_acq_place": "乌梁素海", "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": "login-access", "ds_total_size": 34250, "ds_files_count": 3, "ds_format": "Excel", "ds_space_res": null, "ds_time_res": "年", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "d5b456b7-2f7f-494f-9851-b14e73647a2c.jpg", "ds_thumb_from": 0, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "", "ds_from_station": null, "organization_id": "c55e1118-387b-4a0c-8dc5-70aa438c430d", "ds_serv_man": "李红星", "ds_serv_phone": "0931-4967592", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "10.12072/ncdc.iceflood.db2355.2022", "subject_codes": [ "170.45" ], "quality_level": 3, "publish_time": "2022-07-30 14:39:43", "last_updated": "2025-05-29 11:43:01", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.iceflood.db2355.2022", "i18n": { "en": { "title": "Wuliangsu Lake water quality data set (2019-2020)", "ds_format": "Excel", "ds_source": "Field sampling was conducted in accordance with the requirements specified in the \"Regulation for Water Environmental Monitoring\" (SL219-2013). The determination of total nitrogen was conducted with reference to \"Water Quality - Determination of Total Nitrogen - Alkaline Potassium Persulfate Digestion - Ultraviolet Spectrophotometric Method\" (HJ636-2012). The determination of total phosphorus was conducted with reference to \"Water Quality - Determination of Total Phosphorus - Ammonium Molybdate Spectrophotometric Method\" (GB11893-89). The determination of ammonia nitrogen was conducted with reference to \"Water Quality - Determination of Ammonia Nitrogen - Nessler's Reagent Spectrophotometry\" (HJ535-2009). The determination of nitrate nitrogen was conducted with reference to \"Water Quality - Determination of Nitrate Nitrogen - Ultraviolet Spectrophotometry (For Trial Implementation)\" (HJ/T 346-2007). The determination of the permanganate index was conducted with reference to \"Water Quality - Determination of the Permanganate Index\" (GB 11892-89). The determination of the chemical oxygen demand was conducted with reference to \"Water Quality - Determination of the Chemical Oxygen Demand - Dichromate Method\" (HJ 828-2017).
", "ds_quality": "The layout of sampling points, sample collection, preservation, and determination were all carried out strictly in accordance with relevant national standards and regulations, ensuring reliable data.
", "ds_ref_way": "", "ds_abstract": "This dataset was obtained through field sampling and monitoring of water quality in Wuliangsu Lake. The dataset includes indicators such as total nitrogen, total phosphorus, ammonia nitrogen, nitrate nitrogen, permanganate index, and chemical oxygen demand. It consists of 5 sets of data, with 63 data points per set. The dataset is fully open and shared.
", "ds_time_res": "年", "ds_acq_place": "Wuliangsu Lake", "ds_space_res": "", "ds_projection": "", "ds_process_way": "Field sampling was conducted in accordance with the requirements specified in the \"Regulation for Water Environmental Monitoring\" (SL219-2013). The determination of total nitrogen refers to \"Water Quality - Determination of Total Nitrogen - Alkaline Potassium Persulfate Digestion - Ultraviolet Spectrophotometric Method\" (HJ636-2012). The determination of total phosphorus refers to \"Water Quality - Determination of Total Phosphorus - Ammonium Molybdate Spectrophotometric Method\" (GB11893-89). The determination of ammonia nitrogen refers to \"Water Quality - Determination of Ammonia Nitrogen - Nessler's Reagent Spectrophotometry\" (HJ535-2009). The determination of nitrate nitrogen refers to \"Water Quality - Determination of Nitrate Nitrogen - Ultraviolet Spectrophotometry (For Trial Implementation)\" (HJ/T 346-2007). The determination of the permanganate index refers to \"Water Quality - Determination of the Permanganate Index\" (GB 11892-89). The determination of the chemical oxygen demand refers to \"Water Quality - Determination of the Chemical Oxygen Demand - Dichromate Method\" (HJ 828-2017).
", "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": [ "总氮", "总磷", "氨氮", "硝酸盐氮", "高锰酸盐指数", "化学需氧量" ], "ds_subject_tags": [ "地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "乌梁素海" ], "ds_time_tags": [ 2019, 2020 ], "ds_contributors": [ { "true_name": "王司阳", "email": "1020331799@qq.com", "work_for": "黄河水利委员会黄河水利科学研究院", "country": "中国" }, { "true_name": "韩冰", "email": "304732166@qq.com", "work_for": "黄河水利委员会黄河水利科学研究院", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "王司阳", "email": "1020331799@qq.com", "work_for": "黄河水利委员会黄河水利科学研究院", "country": "中国" } ], "ds_managers": [ { "true_name": "韩冰", "email": "304732166@qq.com", "work_for": "黄河水利委员会黄河水利科学研究院", "country": "中国" } ], "category": "水文" }