本数据集为黄河宁蒙河段巴彦高勒水文站1986-2020年水温、流量和水位等水文观测数据经专人统计分析整理形成。本数据集共包含3个excel文件，由巴彦高勒水文站不同时期段的预报因子要素组成，分别是：流凌日期预报因子数据、封河日期预报因子数据和开河日期预报因子数据。
", "ds_source": "该数据集数据全部为对观测数据进行人工统计分析得到的科学数据，源数据与黄河宁蒙河段水文局工作人员协商获取。
", "ds_process_way": "巴彦高勒水文站区工作人员在当年11月至来年3月的冰期期间，通过实地勘测，雷达监测等技术收集了水文断面气温、流量、水位和冰厚等水文资料数据。中国水利水电科学研究院相关项目研究人员对数据进行如下处理：通过统计相应水文数据，将数据按研究所需时间段分类列出。
", "ds_quality": "观测人员为专业技术人员，观测过程规范，观测数据可靠。统计分析人员也为专业人员，多次核查，数据质量良好。
", "ds_acq_start_time": "1986-11-01 00:00:00", "ds_acq_end_time": "2021-03-31 00:00:00", "ds_acq_place": "巴彦高勒水文站", "ds_acq_lon_east": 107.03, "ds_acq_lat_south": 40.309999999999995, "ds_acq_lon_west": 107.03, "ds_acq_lat_north": 40.309999999999995, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "login-access", "ds_total_size": 47801, "ds_files_count": 3, "ds_format": "excel", "ds_space_res": null, "ds_time_res": "年", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "4ebcaf5a-f2b5-4282-8570-7929902c2932.png", "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.db2385.2022", "subject_codes": [ "170.55" ], "quality_level": 3, "publish_time": "2022-07-30 15:31:13", "last_updated": "2025-05-29 11:43:24", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.iceflood.db2385.2022", "i18n": { "en": { "title": "Data set of forecast factors for river flow date, river closure date and river opening date (1986-2020)", "ds_format": "Excel", "ds_source": "This dataset exclusively comprises scientific data derived from manual statistical analysis of observational records. The source data were acquired through coordinated agreements with the Yellow River Ningxia-Inner Mongolia Reach Hydrology Bureau.
", "ds_quality": "The observers are professional technicians, the observation process is standardized, and the observation data is reliable. The statistical analysts are also professionals. They have checked many times and the data quality is good.
", "ds_ref_way": "", "ds_abstract": "This dataset was compiled from hydrological observations at Bayangaole Hydrological Station in the Ningxia-Inner Mongolia reach of the Yellow River, including water temperature, flow rate, and water level measurements spanning the period 1986-2020. The data were systematically analyzed and organized by professional hydrologists. The dataset consists of three Excel files, each containing forecast factor elements corresponding to distinct ice phenology phases observed at the hydrological station: the Ice-Run Initiation Date Forecast Factors Dataset, the River Freezing-Up Date Forecast Factors Dataset, and the River Break-Up Date Forecast Factors Dataset.
", "ds_time_res": "年", "ds_acq_place": "Bayan Gaole hydrological station", "ds_space_res": "", "ds_projection": "", "ds_process_way": "During the ice season from November to March each year, staff at the Bayangaole Hydrological Station collected hydrological data—including air temperature, flow rate, water level, and ice thickness at monitoring cross-sections—through field surveys and radar monitoring. Researchers from the China Institute of Water Resources and Hydropower Research processed the data by statistically analyzing relevant hydrological parameters and categorizing them into specific time intervals aligned with research objectives.
", "ds_ref_instruction": "" } }, "submit_center_id": "ncdc", "data_level": 0, "license_type": "https://creativecommons.org/licenses/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": [ "累计负气温", "流量均值", "水位均值", "气温稳定转负日期", "气温稳定转正日期" ], "ds_subject_tags": [ "水文学" ], "ds_class_tags": [], "ds_locus_tags": [ "黄河宁蒙河段" ], "ds_time_tags": [ 1986, 1987, 1988, 1989, 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, 2016, 2017, 2018, 2019, 2020 ], "ds_contributors": [ { "true_name": "王涛", "email": "taozy163@163.com", "work_for": "中国水利水电科学研究院", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "王涛", "email": "taozy163@163.com", "work_for": "中国水利水电科学研究院", "country": "中国" } ], "ds_managers": [ { "true_name": "王涛", "email": "taozy163@163.com", "work_for": "中国水利水电科学研究院", "country": "中国" } ], "category": "水文" }