本数据集为1991-2000年黄土丘陵沟壑区第一副区桥沟流域不同地貌类型径流场观测数据。桥沟流域位于陕西省榆林市绥德县，流域面积0.45平方公里，流域形状为叶面状，长宽为1.4KM和0.32KM,相对高差132m,沟壑密度5.4km²，属于裴家峁沟（无定河一级支流）的一级支流。桥沟流域不同地貌类型径流场布设8个不同地貌类型径流小区，对桥沟流域不同地貌类型径流场产生径流的次降水量、径流量、泥沙量进行观测。数据包括桥沟不同地貌类型径流场逐次径流泥沙测验成果表、土壤含水率实测成果表，基本情况见《桥沟不同地貌类型径流场1991-2000年情况说明》。主要监测指标有：\"场号\"、测次、取样日期、\"测点土壤含水率（％）取样深度0-10cm）\"、\"两测次间降水量\n（mm）\"月日。
", "ds_source": "仪器连续观测，人工观测
", "ds_process_way": "1.雨量观测：桥沟不同地貌类型径流小区降水量采用桥沟5号雨量站的资料。\n2.泥沙取样及处理：径流、泥沙采用不同的观测设施，有三角槽、分水箱、径流池，三角槽在产流过程中采集沙洋；分水箱、径流池在降水结束、径流终止后立即读取径流池水位，根据分水箱、径流池面积、水位计算径流量；将分水箱、径流池泥水搅拌均匀取泥沙样，样品处置采用置换法。\n3.土壤含水率：在具有代表性的固定地点，去除表层杂草后，在30 cm深度取样，用烘干（称重）法测定
", "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": "1991-01-01 00:00:00", "ds_acq_end_time": "2000-12-31 00:00:00", "ds_acq_place": "陕西省榆林市绥德县桥沟流域", "ds_acq_lon_east": 110.29555555555555, "ds_acq_lat_south": 37.49277777777778, "ds_acq_lon_west": 110.29138888888889, "ds_acq_lat_north": 37.50361111111111, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "apply-access", "ds_total_size": 146836, "ds_files_count": 5, "ds_format": "xls，doc，pdf", "ds_space_res": null, "ds_time_res": "次", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "6234a6c9-e7f4-4ce0-803c-3d8d36284332.jpg", "ds_thumb_from": 2, "ds_ref_way": "黄河水土保持绥德治理监督局（绥德水土保持科学试验站），1991-2000年黄土丘陵沟壑区第一副区桥沟流域不同地貌类型径流场数据集，国家冰川冻土沙漠科学数据中心(www.ncdc.ac.cn)，2020，doi：10.12072/ncdc.HWSDZhan.db0078.2021", "paper_ref_way": "", "ds_ref_instruction": "", "ds_from_station": null, "organization_id": "f447b2e7-0b54-4601-8d49-0164f2a3fd9a", "ds_serv_man": "敏玉芳", "ds_serv_phone": "0931-4967596", "ds_serv_mail": "myf@lzb.ac.cn", "doi_value": "", "subject_codes": null, "quality_level": 3, "publish_time": "2021-04-27 09:36:08", "last_updated": "2021-08-26 15:19:25", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.HWSDZhan.2020.127", "i18n": { "en": { "title": "Runoff data sets of different geomorphic types in Qiaogou watershed, the first sub region of Loess Hilly and gully region, 1986-1990", "ds_format": "", "ds_source": "Instrument continuous observation, manual observation
", "ds_quality": "In the process of integration and input of observation data, there are four levels of manual verification, which are tabulation, primary calibration, re calibration and audit, to ensure the data quality.
", "ds_ref_way": "", "ds_abstract": "This data set is the runoff field observation data of different geomorphic types in Qiaogou watershed of the first sub region of Loess Hilly and gully region from 1991 to 2000. Qiaogou watershed is located in Suide County, Yulin City, Shaanxi Province, with an area of 0.45 square kilometers. The shape of the watershed is foliar, with a length and width of 1.4km and 0.32km, a relative height difference of 132M, and a gully density of 5.4km2. It belongs to the first tributary of peijiamaogou (the first tributary of Wuding River). Eight runoff plots of different geomorphic types were set up in Qiaogou watershed to observe the secondary precipitation, runoff and sediment of runoff generated by different geomorphic types. The data include the successive runoff and sediment test results of runoff field of different geomorphic types in Qiaogou and the measured results of soil moisture content. For the basic information, please refer to the description of runoff field of different geomorphic types in Qiaogou from 1991 to 2000. The main monitoring indicators include: field number, measurement times, sampling date, \"soil moisture content (%) sampling depth 0-10cm\" and \"precipitation between two measurements\"\n(mm) \"mm\".
", "ds_time_res": "次", "ds_acq_place": "Qiaogou watershed, Suide County, Yulin City, Shaanxi Province", "ds_space_res": "", "ds_projection": "", "ds_process_way": "1. Rainfall observation: the data of Qiaogou No.5 rainfall station is used for the rainfall of runoff plots of different geomorphic types in Qiaogou.\n2. Sediment sampling and treatment: different observation facilities are used for runoff and sediment, including triangular trough, water distribution tank and runoff pool. The triangular trough collects sand ocean in the process of runoff generation; the water level of runoff pool is read immediately after the end of precipitation and runoff in the water distribution tank and runoff pool, and the runoff is calculated according to the area and water level of the water distribution tank and runoff pool; the mud and water in the water distribution tank and runoff pool are mixed evenly to take sediment The replacement method was used for sample disposal.\n3. Soil moisture content: in the representative fixed place, after removing the surface weeds, samples were taken at the depth of 30 cm and determined by drying (weighing) method < p > 0", "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": [ "次降水强度", "含沙量", "冲刷量", "径流深", "径流系数", "次降水量", "土壤含水率" ], "ds_subject_tags": [ "自然地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "桥沟", "绥德", "榆林", "陕西省" ], "ds_time_tags": [ 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000 ], "ds_contributors": [ { "true_name": "黄河水土保持绥德治理监督局（绥德水土保持科学试验站）", "email": "hhstbcsdzljdj@163.com", "work_for": "黄河水土保持绥德治理监督局（绥德水土保持科学试验站）", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "雷欣", "email": "hhstbcsdzljdj@163.com", "work_for": "黄河水土保持绥德治理监督局（绥德水土保持科学试验站）", "country": "中国" }, { "true_name": "刘思君", "email": "hhstbcsdzljdj@163.com", "work_for": "黄河水土保持绥德治理监督局（绥德水土保持科学试验站）", "country": "中国" } ], "ds_managers": [ { "true_name": "郭玉梅", "email": "hhstbcsdzljdj@163.com", "work_for": "黄河水土保持绥德治理监督局（绥德水土保持科学试验站）", "country": "中国" }, { "true_name": "黄河水土保持绥德治理监督局（绥德水土保持科学试验站）", "email": "hhstbcsdzljdj@163.com", "work_for": "黄河水土保持绥德治理监督局（绥德水土保持科学试验站）", "country": "中国" } ], "category": "水土保持" }