本数据集为2011-2020年黄土高塬沟壑区南小河沟流域董庄沟（非治理）观测数据。董庄沟（非治理沟）为南小河沟流域中的一条小支沟，2011~2014年流域面积为1.15 ㎞²，2015年以后流域面积1.12 ㎞²。董庄沟保持原有的状态。董庄沟径流站设在原始生态环境下的董庄沟主沟道距董庄沟沟口公路420m处，观测断面以上集水面积1.12 ㎞²，作为未治理沟道与杨家沟进行对比观测，同时作为黄土高塬沟壑区未治理典型小流域研究其水土流失规律。本数据集主要为董庄沟雨量站降水量观测数据及董庄沟径流站径流泥沙观测数据。
", "ds_source": "主要观测降水起止时间，统计降水量，当降水间歇时间大于15min间歇前后作为两次降水进行观测记载，当间歇时间小于15min则作为一次降水观测记载，如果一次降水跨过8时、20时应在8时、20时加测。", "ds_process_way": "
对于控制全集水区降水的所有人工或自记雨量观测站，均编制此表。\n流量计算：用观测水位推算流量，Q=4.8H2.55\nQ:流量，单位：m³/s;H:水位，单位：m。\n（2）含沙量计算：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。
\n", "ds_quality": "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": "2011-01-01 00:00:00", "ds_acq_end_time": "2020-12-31 00:00:00", "ds_acq_place": "甘肃省庆阳市西峰区后官寨乡南小河沟流域董庄沟", "ds_acq_lon_east": 107.5411111111111, "ds_acq_lat_south": 35.6875, "ds_acq_lon_west": 107.54694444444445, "ds_acq_lat_north": 35.70444444444445, "ds_acq_alt_low": 1152.0, "ds_acq_alt_high": 1353.0, "ds_share_type": "apply-access", "ds_total_size": 567151, "ds_files_count": 4, "ds_format": "Excel表格", "ds_space_res": null, "ds_time_res": "分", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "8bf86adb-9682-4552-b34a-ce23a4d5c9b2.png", "ds_thumb_from": 0, "ds_ref_way": "黄河水利委员会西峰水土保持科学试验站，2011-2018年黄土高塬沟壑区南小河沟流域董庄沟（非治理）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.db0028.2020", "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": [ "170.55" ], "quality_level": 3, "publish_time": "2020-11-18 07:56:26", "last_updated": "2022-02-19 21:27:31", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.HWXFZhan.2020.87", "i18n": { "en": { "title": "Observation data set of dongzhuanggou (non governance) in Nanxiaohegou watershed of Loess Plateau Gully Region from 2011 to 2018", "ds_format": "", "ds_source": " <p>It is mainly used to observe the starting and ending time of precipitation and to count the precipitation. When the interval time of precipitation is more than 15min, it is used as two precipitation observation records before and after the interval time. When the interval time is less than 15min, it is used as one precipitation observation record. If a precipitation crosses 8:00 and 20:00, it should be measured at 8:00 and 20:00.\n <p>In the process of data integration and input, there are four levels of manual verification, namely tabulation, preliminary calibration, re calibration and audit, to ensure the data quality. </p>\n <p>This data set is the observation data of dongzhuanggou (non governance) in Nanxiaohegou watershed of Loess Plateau Gully Region from 2011 to 2018. Dongzhuanggou (non treatment ditch) is a small branch ditch in Nanxiaohegou watershed, with a drainage area of 1.15km2 from 2011 to 2014 and 1.12km2 after 2015. Dongzhuanggou remains in its original state. Dongzhuanggou runoff station is located in the original ecological environment, the main channel of dongzhuanggou is 420m away from the highway of dongzhuanggou gully. The catchment area above the observation section is 1.12km2. It is compared with Yangjiagou as an untreated gully. At the same time, it is a typical small watershed in Loess Plateau Gully Region to study its soil and water loss law. This data set mainly includes precipitation observation data of dongzhuanggou rainfall station and runoff and sediment observation data of dongzhuanggou runoff station</p>\n This table is compiled for all artificial or self recording rainfall observation stations that control the precipitation in the whole catchment area.\nDischarge calculation: the discharge is calculated from the observed water level, q = 4.8h2.55\nQ: Discharge, unit: m3 / S; H: water level, unit: M.\n(2) Calculation of sediment concentration: P = WS / V * 1000 calculation of sediment concentration, P: measured sediment concentration, unit: kg / M 3; V: water sample volume, unit: cm 3; WS: dry sediment weight in water sample, unit: G.
\n", "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": [ "降水量", "平均含沙量", "平均流量", "平均输沙率", "径流深", "侵蚀模数" ], "ds_subject_tags": [ "水文学" ], "ds_class_tags": [], "ds_locus_tags": [ "南小河沟流域", "庆阳", "西峰区", "甘肃省" ], "ds_time_tags": [ 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 ], "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" }