本数据集为2001-2010年砚瓦川流域径流站径流泥沙观测数据，径流站的试验观测断面为大型抛物线型量水堰，观测方式为人工观测。主要包括砚瓦川流域逐日平均流量数据、逐日平均含沙量数据、逐日平均输沙率数据、洪水水文要素摘录数据、逐次洪水测验成果数据。
", "ds_source": "人工定时观测。
", "ds_process_way": "人工定时观测，非汛期基流采用2段制，即8时、20时各观测一次；汛期基流采用4段制，即2时、8时、14时、20时各观测一次，汛期时段6～9月。\n含沙量计算：用公式p=ws/v*1000计算含沙量，p：实测含沙量，单位：kg/m³； v：水样容积，单位：cm³；ws：水样中干沙重，单位：g。
", "ds_quality": "观测数据整编录入过程中经过四级人工校核，分别是制表，初校，复校，审核，以确保数据质量。
", "ds_acq_start_time": "2001-01-01 00:00:00", "ds_acq_end_time": "2010-12-31 00:00:00", "ds_acq_place": "甘肃省庆阳市宁县砚瓦川流域", "ds_acq_lon_east": 107.62555555555555, "ds_acq_lat_south": 35.50472222222222, "ds_acq_lon_west": 107.91666666666667, "ds_acq_lat_north": 35.73722222222222, "ds_acq_alt_low": 980.0, "ds_acq_alt_high": 1340.0, "ds_share_type": "apply-access", "ds_total_size": 573440, "ds_files_count": 6, "ds_format": "excel表格", "ds_space_res": null, "ds_time_res": "分", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "057185db-30c9-4302-962f-b9d8baadb736.png", "ds_thumb_from": 2, "ds_ref_way": "黄河水利委员会西峰水土保持科学试验站，2001-2010年黄土高塬沟壑区砚瓦川流域径流泥沙观测数据集，国家冰川冻土沙漠科学数据中心(www.ncdc.ac.cn)，2020，doi：10.12072/ncdc.HWXFZhan.db0004.2020", "paper_ref_way": "", "ds_ref_instruction": "", "ds_from_station": null, "organization_id": "8f345532-a01e-49ca-a880-641bc176ede9", "ds_serv_man": "敏玉芳", "ds_serv_phone": "0931-4967596", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "", "subject_codes": null, "quality_level": 3, "publish_time": "2021-07-08 18:55:42", "last_updated": "2021-07-08 18:55:42", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.HWXFZhan.2020.77", "i18n": { "en": { "title": "Observation data set of runoff and sediment in yanwachuan basin in Loess Plateau Gully Region from 2001 to 2010", "ds_format": "", "ds_source": "Manual timing observation
", "ds_quality": "", "ds_ref_way": "", "ds_abstract": "This data set is the runoff and sediment observation data of yanwachuan watershed runoff station from 2001 to 2010. The experimental observation section of the runoff station is a large parabolic weir, and the observation method is manual observation. The daily average flood data, daily sediment concentration, daily average discharge data of Yanchuan basin are extracted.
", "ds_time_res": "分", "ds_acq_place": "Yanwachuan watershed, Ning County, Qingyang City, Gansu Province", "ds_space_res": "", "ds_projection": "", "ds_process_way": "Artificial timing observation, non flood season base flow using two-stage system, namely 8:00, 20:00 each observation; flood season base flow using four-stage system, namely 2:00, 8:00, 14:00, 20:00 each observation, flood season period from June to September.\nSediment concentration calculation: the formula P = WS / V * 1000 is used to calculate the sediment concentration, P: measured sediment concentration, unit: kg / m3; V: water sample volume, unit: cm m3; WS: dry sediment weight in water sample, unit: G.
", "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": [ "平均输沙率", "侵蚀模数", "径流模数", "径流深", "平均流量", "平均含沙量" ], "ds_subject_tags": [ "水文气象学" ], "ds_class_tags": [], "ds_locus_tags": [ "庆阳", "宁县", "砚瓦川", "甘肃省" ], "ds_time_tags": [ 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 ], "ds_contributors": [ { "true_name": "黄河水利委员会西峰水土保持科学试验站", "email": "18526328@qq.com", "work_for": "黄河水利委员会西峰水土保持科学试验站", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "袁静", "email": "317806317@qq.com", "work_for": "黄河水利委员会西峰水土保持科学试验站", "country": "中国" } ], "ds_managers": [ { "true_name": "袁静", "email": "317806317@qq.com", "work_for": "黄河水利委员会西峰水土保持科学试验站", "country": "中国" } ], "category": "水土保持" }