本数据集为2018-2020年、2023-2024年黄土丘陵沟壑区第三副区罗玉沟流域径流场数据。2006年在罗玉沟试验场集中布设不同坡度、不同措施的17个坡面径流小区，2008年开始观测；2016年改造了之前项目布设的17个径流小区，增加布设了具有地区代表性的林地（刺槐林）、经济林（樱桃）径流小区各1个，自2018年开始观测。径流场汛期观测，观测降水次序、降水起讫时间、历时（净历时）、全次降水量、径流期降雨、降水强度、径流历时（分）、浑水深（mm）、清水深（mm）、浑水径流系数（%）、清水径流系数（%）等参数指标。本数据集包括径流小区基本情况表、逐次径流泥沙测验成果表。
", "ds_source": "人工定点观测。对林地径流小区、人工牧草径流小区、林地径流小区、农地小区、裸地小区、不同坡长裸地径流小区、经济林小区、天然林地径流小区、水量平衡场进行观测。径流小区径流测验设备为集流池，水量平衡场测验设备为二级分流桶。
", "ds_process_way": "径流场降水量采用试验场雨量站观测值；集流池人工观测降水产生的径流总量（浑水）泥沙总量是以径流量乘以平均含沙量得出；地表植被生育期、株高、生物产量、郁闭度的观测均按有关规范执行。
", "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。并于每年8月份前完成数据初审、互审及终审工作。
", "ds_acq_start_time": "2018-01-01 00:00:00", "ds_acq_end_time": "2024-12-31 00:00:00", "ds_acq_place": "甘肃省天水市秦州区罗玉沟流域", "ds_acq_lon_east": 105.7388888888889, "ds_acq_lat_south": 34.58888888888889, "ds_acq_lon_west": 105.50833333333334, "ds_acq_lat_north": 34.65555555555555, "ds_acq_alt_low": 1190.0, "ds_acq_alt_high": 1895.3, "ds_share_type": "apply-access", "ds_total_size": 351342, "ds_files_count": 0, "ds_format": "Excel表格", "ds_space_res": "", "ds_time_res": "分、日、次", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "f94ddbdb-e30b-4f77-9555-dbeb1da0ad6e.jpg", "ds_thumb_from": 0, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "", "ds_from_station": null, "organization_id": "49b5ee01-70c1-4c22-8937-1f94d7fcabe2", "ds_serv_man": null, "ds_serv_phone": null, "ds_serv_mail": null, "doi_value": "", "subject_codes": [ "170.55" ], "quality_level": 0, "publish_time": "2026-09-24 12:00:48", "last_updated": "2026-09-24 12:00:48", "protected": false, "protected_to": null, "lang": "zh", "cstr": null, "i18n": { "en": { "title": "2018-2020 Runoff Field Data Set of Luoyugou Watershed in the Third Sub-Area of the Loess Hilly and Gully Region from 2023 to 2024", "ds_format": "", "ds_source": "Manual fixed-point observation. Observe forest land runoff plots, artificial pasture runoff plots, forest land runoff plots, agricultural land plots, bare land plots, bare land plots with different slope lengths, economic forest plots, natural forest land runoff plots, and water balance fields. The runoff test equipment in the runoff cell is a collecting pool, and the water balance field test equipment is a secondary diversion barrel.", "ds_quality": "In accordance with the provisions of \"Soil and Water Conservation Test Code\"(SD239) and \"Soil and Water Conservation Test Procedure\"(SL419), professional and technical personnel shall observe, organize and reorganize the data. And complete the preliminary review, mutual review and final review of data before August of each year.", "ds_ref_way": "", "ds_abstract": "This dataset is the runoff field data of Luoyugou Watershed, the third sub-area of the Loess Hilly and Gully Region from 2018 to 2020 and 2023 to 2024. In 2006, 17 slope runoff plots with different slopes and different measures were set up in the Luoyugou Experimental Site, and observation began in 2008; in 2016, the 17 runoff plots laid out in previous projects were renovated, and regional representative forest land (Robinia pseudoacacia forest) and economic forest (cherry) runoff plots were added, and observation began in 2018. Observe the runoff field during flood season, observe the precipitation sequence, precipitation start and end time, duration (net duration), total precipitation, rainfall during the runoff period, precipitation intensity, runoff duration (minutes), muddy water depth (mm), clear water depth (mm), muddy water runoff coefficient ( %), clear water runoff coefficient ( %) and other parameter indicators. This data set includes the basic situation table of runoff plots and the result table of successive runoff and sediment test.", "ds_time_res": "", "ds_acq_place": "", "ds_space_res": "", "ds_projection": "", "ds_process_way": "The precipitation in the runoff field adopts the observed values from the rainfall stations on the test site; the total amount of runoff (muddy water) generated by manual observation of precipitation in the collecting pond is calculated by multiplying the runoff by the average sediment concentration; the observation of surface vegetation growth period, plant height, and biological yield and canopy closure are carried out in accordance with relevant regulations.", "ds_ref_instruction": "" } }, "submit_center_id": "ncdc", "data_level": 0, "recommendation_value": 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, "belong_to_nieer": false, "allow_update_data": false, "created_from": "admin", "ds_topic_tags": [ "降水量（Precipitation）", "径流（runoff）", "泥沙（sediment）", "地表植被（surface vegetation）" ], "ds_subject_tags": [ "水文学" ], "ds_class_tags": [], "ds_locus_tags": [ "甘肃省（Gansu Province）", "天水（Tianshui）", "罗玉沟（Luoyugou）" ], "ds_time_tags": [ 2018, 2019, 2020, 2023, 2024 ], "ds_contributors": [ { "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_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": "张晓煜", "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" }