本数据集为黄土高塬沟壑区砚瓦川流域下垫面调查数据。调查方法主要为基于地形图人工勾绘图斑后现场进行核查。调查内容包括流域基本情况调查、下垫面基本数据调查、水土保持治理措施调查（植物措施面积、工程措施面积）、水土保持点状工程调查（沟头防护、谷坊、水窖、涝池、治沟骨干工程、上水工程），计17大类，31项具体内容。
", "ds_source": "人工调查
", "ds_process_way": "在砚瓦川流域1:10000地形图上绘制图斑，并作为最小统计单元，根据流域治理的数量、质量和范围，逐地块进行现场核实。
", "ds_quality": "调查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": "2007-01-01 00:00:00", "ds_acq_end_time": "2017-12-31 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": 97482269, "ds_files_count": 15, "ds_format": "word文档", "ds_space_res": null, "ds_time_res": "分、日、次", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "", "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，黄土高塬沟壑区砚瓦川流域下垫面调查数据集，国家冰川冻土沙漠科学数据中心(http://www.ncdc.ac.cn/)，2018，doi：10.12072/HWXFZhan.db0022.2020", "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": "2020-11-18 07:56:27", "last_updated": "2021-07-08 19:13:34", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.HWXFZhan.2020.62", "i18n": { "en": { "title": "Survey data set of underlying surface of yanwachuan basin in gully region of Loess Plateau", "ds_format": "", "ds_source": "Manual investigation
", "ds_quality": "In the process of data compilation and input, there are four levels of manual verification, including tabulation, primary proofreading, rechecking and auditing, so as to ensure the data quality.
", "ds_ref_way": "", "ds_abstract": "This data set is the survey data of underlying surface of yanwachuan basin in Loess Plateau Gully Region. The survey method is mainly based on the topographic map manually check the spot after drawing. The survey contents include basic situation investigation of river basin, basic data survey of underlying surface, investigation of soil and water conservation control measures (area of plant measures and area of engineering measures), investigation of point projects of soil and water conservation (gully head protection, valley, water cellar, waterlogging pool, key ditch control works and water supply engineering), with 17 categories and 31 specific contents.
", "ds_time_res": "分、日、次", "ds_acq_place": "Yanwachuan basin, Ningxian County, Qingyang City, Gansu Province", "ds_space_res": "", "ds_projection": "", "ds_process_way": "Map patches are drawn on the 1:10000 topographic map of yanwachuan basin, which is regarded as the smallest statistical unit. According to the quantity, quality and scope of watershed management, the spot verification is carried out one by one.
", "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": [ "本数据调查、水土保持治理措施调查（植物措施面积、工程措施面积），水土保持点状工程调查（沟头防护、谷坊、水窖、涝池、治沟骨干工程、上水工程）" ], "ds_subject_tags": [ "水文地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "甘肃省", "宁县", "庆阳", "砚瓦川" ], "ds_time_tags": [ 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 ], "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" }