本数据集为2001-2010年南小河沟流域杨家沟、董庄沟及十八亩台3个蒸发量观测点的逐日水面蒸发量。20cm口径蒸发皿的蒸发量用同规格雨量杯或专用台秤观测，观测精度0.1mm。蒸发观测以每日8时为日分界，每天规定时间观测一次。皿内有雨水降入时，应在观测记录时减除降水量既得该次实际蒸发量。
", "ds_source": "人工定时观测
", "ds_process_way": "\n在结冰季节，当皿内有冰时，应用称量法。方法：将皿内注入20mm清水后，在台秤上称其重量（g），将台秤刻度定在注入20mm水的重量处，观测日，将蒸发皿（含冰）放在蒸发案秤上，用雨量杯向蒸发皿加水，加水至台秤持平，加入水量即为累计蒸发量。
", "ds_quality": "数据质量良好
", "ds_acq_start_time": "2001-01-01 00:00:00", "ds_acq_end_time": "2010-12-31 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", "ds_acq_lon_east": 107.50833333333334, "ds_acq_lat_south": 35.68083333333333, "ds_acq_lon_west": 107.62388888888889, "ds_acq_lat_north": 35.74861111111111, "ds_acq_alt_low": 1050.0, "ds_acq_alt_high": 1423.0, "ds_share_type": "apply-access", "ds_total_size": 1428992, "ds_files_count": 6, "ds_format": "Excel表格", "ds_space_res": null, "ds_time_res": "分", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": null, "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，2001-2010年黄土高塬沟壑区南小河沟流域气象观测数据集，国家冰川冻土沙漠科学数据中心(www.ncdc.ac.cn)，2020，doi：10.12072/ncdc.HWXFZhan.db0023.2020", "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": "2021-07-08 18:59:06", "last_updated": "2021-07-08 18:59:06", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.HWXFZhan.2020.72", "i18n": { "en": { "title": "Meteorological observation data set of Nanxiaohegou watershed in gully region of Loess Plateau from 2001 to 2010", "ds_format": "", "ds_source": "Artificial timing observation
", "ds_quality": "Good data quality
", "ds_ref_way": "", "ds_abstract": "This data set is the daily water surface evaporation of Yangjiagou, dongzhuanggou and 18 Mu stations in Nanxiaohegou basin from 2001 to 2010. The evaporation capacity of a 20cm diameter pan is observed by a rainfall cup of the same specification or a special platform scale, and the observation accuracy is 0.1mm. The daily boundary of evaporation observation is 8:00 a.m. and it is observed once a day. When there is rain in the dish, the actual evaporation should be obtained by subtracting the precipitation in the observation record.
", "ds_time_res": "分", "ds_acq_place": "Nanxiaohegou watershed, houguanzhai Township, Xifeng District, Qingyang City, Gansu Province", "ds_space_res": "", "ds_projection": "", "ds_process_way": "\nIn the freezing season, when there is ice in the dish, the weighing method should be used. Methods: after 20 mm clear water was injected into the dish, the weight (g) was weighed on the platform scale, and the scale was set at the weight of 20 mm water. On the observation day, the evaporating dish (containing ice) was placed on the evaporation table scale, and water was added to the evaporating dish with a rainfall cup until the scale was even. The amount of water added was the accumulated evaporation capacity.
", "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": [ "降水量", "最大降水量", "时段降水量", "降水摘录" ], "ds_subject_tags": [ "水文测量" ], "ds_class_tags": [], "ds_locus_tags": [ "庆阳", "西峰", "南小河沟", "甘肃省" ], "ds_time_tags": [ 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 ], "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" }