本数据集为2011-2020年黄土丘陵沟壑区第三副区吕二沟流域沟口径流站的径流泥沙观测数据。吕二沟观测断面为自然梯形断面；径流观测采用浮标法测流速，流速面积法计算流量；泥沙取样与测流同步进行，取样次数与测流次数相同，采用水边一点法取沙样，置换法测含沙量。数据包括实测流量成果表、洪水水文要素摘录表、逐次洪水测验成果表、逐日平均流量表、逐日平均含沙量表、逐日平均悬移质输沙率表。
", "ds_source": "人工定时观测。
", "ds_process_way": "详见2011-2020年吕二沟流域综合说明文档
", "ds_quality": "按照“水土保持试验规范”（SD239）和“水土保持试验规程”（SL419）的规定由专业技术人员进行数据的观测、整理、整编。观测资料按照“四随”要求，随测、随算、随整理、随分析，发现观测的差错和不合理记录，及时进行处理、改正，并备注说明。观测数据整编录入过程中经过制表、初校、复校、审核等四级人工校核，资料整编严格依据相关观测、整编规范规程，按照一校、二校、审核、复审、复核的过程开展，以确保数据成果质量。
", "ds_acq_start_time": "2011-01-01 00:00:00", "ds_acq_end_time": "2020-12-31 00:00:00", "ds_acq_place": "甘肃省天水市秦州区吕二沟流域", "ds_acq_lon_east": 105.7388888888889, "ds_acq_lat_south": 34.51111111111111, "ds_acq_lon_west": 105.70555555555556, "ds_acq_lat_north": 34.57222222222222, "ds_acq_alt_low": 1176.0, "ds_acq_alt_high": 1707.0, "ds_share_type": "apply-access", "ds_total_size": 337690, "ds_files_count": 3, "ds_format": "Excel表格", "ds_space_res": null, "ds_time_res": "年、月、日、时、分", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "", "ds_thumb_from": 0, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "如需申请使用，请联系数据贡献者“黄河水土保持天水治理监督局（天水水土保持科学试验站）” 邮箱：hwtsywk@163.com 电话：18709464263", "ds_from_station": null, "organization_id": "49b5ee01-70c1-4c22-8937-1f94d7fcabe2", "ds_serv_man": "敏玉芳", "ds_serv_phone": "0931-4967596 ", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "", "subject_codes": [], "quality_level": 3, "publish_time": "2022-08-11 17:10:33", "last_updated": "2023-05-16 17:35:13", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.HWTSZhan.2020.58", "i18n": { "en": { "title": "Runoff and sediment data set of lvergou drainage station in the third sub region of Loess Hilly and gully region from 2011 to 2020", "ds_format": "", "ds_source": " <pre><code> <pre><code>\nArtificial timing observation.
", "ds_quality": " <pre><code> <pre><code>\nAccording to the regulations of \"soil and water conservation test specification\" (sd239) and \"soil and water conservation test specification\" (sl419), the data are observed, sorted and compiled by professional and technical personnel. Observation data shall be measured, calculated, sorted and analyzed in accordance with the requirements of \"four follow-up\". Errors and unreasonable records of observation shall be handled and corrected in time, and remarks shall be made. In the process of data compilation and input, four levels of manual verification, such as tabulation, primary calibration, re calibration and review, are carried out in strict accordance with relevant observation and compilation specifications and in accordance with the process of first proofreading, second proofreading, review and review, so as to ensure the quality of data results.
", "ds_ref_way": "", "ds_abstract": " <pre><code> <pre><code>\nThis data set is the runoff and sediment observation data of lvergou drainage station in the third sub region of Loess Hilly and gully region from 2011 to 2020. The observation section of lueergou is a natural trapezoidal section; the flow velocity is measured by buoy method and the discharge is calculated by velocity area method; sediment sampling and flow measurement are carried out simultaneously, and the sampling times are the same as those of flow measurement, and the sediment concentration is measured by displacement method. The data include the measured discharge result table, flood hydrological elements extraction table, successive flood test result table, daily average discharge table, daily average sediment concentration table and daily average suspended sediment transport rate table.
", "ds_time_res": "年、月、日、时、分", "ds_acq_place": "lvergou watershed, Qinzhou District, Tianshui City, Gansu Province", "ds_space_res": "", "ds_projection": "", "ds_process_way": " <pre><code> <pre><code>\nFor details, please refer to the comprehensive description document of lueergou basin from 2011 to 2020
", "ds_ref_instruction": " If you need to apply for use, please contact the data contributor \"Yellow River water and soil conservation and Tianshui water and soil conservation scientific test station\" (Tianshui water and soil conservation scientific test station) \nE-mail:hwtsywk@163.com Tel: 18709464263" } }, "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": [ "年输沙量", "年径流量", "洪水总量", "洪水输沙量", "单位面积土壤流失量", "径流系数", "逐日平均流量", "逐日平均含沙量", "逐日平均悬移质输沙率", "最大流量" ], "ds_subject_tags": [], "ds_class_tags": [], "ds_locus_tags": [ "天水", "吕二沟", "甘肃省" ], "ds_time_tags": [ 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 ], "ds_contributors": [ { "true_name": "黄河水土保持天水治理监督局", "email": "hwtsywk@163.com", "work_for": "黄河水土保持天水治理监督局（天水水土保持科学试验站）", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "刘晓", "email": "", "work_for": "黄河水土保持天水治理监督局（天水水土保持科学试验站）", "country": "中国" } ], "ds_managers": [ { "true_name": "黄河水土保持天水治理监督局", "email": "hwtsywk@163.com", "work_for": "黄河水土保持天水治理监督局（天水水土保持科学试验站）", "country": "中国" } ], "category": "水土保持" }