本数据集为1982-1990年黄土丘陵沟壑区第三副区吕二沟流域10个雨量站（曹家崖、石家堡、胡家堡、毛家庄、李官湾、柴家山、新窑、肖家沟、半坡寨、吕二沟口）的降水观测数据。采用SM1型普通雨量器、DSJ2虹吸式雨量计和SL-1型自记雨量计进行观测。数据集包括逐日降水量表、降水量摘录表、时段最大降水量表（1）、逐次洪水降水量观测成果表。
", "ds_source": "仪器连续观测；人工定时观测；人工摘录整编数据
", "ds_process_way": "SM1型普通雨量器全年观测，汛期（5～10月）4段制摘录，非汛期2段制摘录；雨量计汛期观测，24段制摘录。雨量计汛前进行仪器校准，观测过程中出现异常值使用普通雨量器观测值插补。
", "ds_quality": "降水观测数据严格按照“降水量观测规范”（SL21）的规定进行观测、整理、整编。观测资料按照“四随”要求，随测、随算、随整理、随分析，发现观测的差错和不合理记录，及时进行处理、改正，并备注说明。观测数据整编录入过程中经过四级人工校核（制表、初校、复校、审核），确保数据质量。
", "ds_acq_start_time": "1982-01-01 00:00:00", "ds_acq_end_time": "1989-12-31 00:00:00", "ds_acq_place": "甘肃省天水市秦州区吕二沟流域", "ds_acq_lon_east": 105.7388888888889, "ds_acq_lat_south": 34.51111111111111, "ds_acq_lon_west": 105.70555555555556, "ds_acq_lat_north": 34.57222222222222, "ds_acq_alt_low": 1107.0, "ds_acq_alt_high": 1176.0, "ds_share_type": "apply-access", "ds_total_size": 1296078, "ds_files_count": 10, "ds_format": "excel", "ds_space_res": null, "ds_time_res": "分、日、次", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "2e2c9651-1232-4542-959a-cd3f36985603.png", "ds_thumb_from": 0, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "如需申请使用，请联系数据贡献者“黄河水土保持天水治理监督局（天水水土保持科学试验站）” 邮箱：hwtsywk@163.com 电话：18709464263", "ds_from_station": null, "organization_id": "49b5ee01-70c1-4c22-8937-1f94d7fcabe2", "ds_serv_man": "敏玉芳", "ds_serv_phone": "0931-4967596", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "", "subject_codes": [], "quality_level": 3, "publish_time": "2022-08-16 11:38:33", "last_updated": "2023-05-16 17:34:26", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.HWTSZhan.2020.65", "i18n": { "en": { "title": "Precipitation observation data set of Lvergou watershed in the third sub-region of Loess Hills and Gullies area from 1982 to 1990", "ds_format": "", "ds_source": " <p>Instrument continuous observation; manual timing observation; manual data extraction and compilation</p>\n <p>Precipitation observation data shall be observed, sorted out and compiled in strict accordance with the provisions of \"precipitation observation specification\" (SL21). Observation data shall be measured, calculated, sorted and analyzed in accordance with the requirements of \"four follow-up\". Errors and unreasonable records of observation shall be handled and corrected in time, and remarks shall be made. During the compilation and input of observation data, four levels of manual verification (tabulation, primary calibration, re calibration and audit) are carried out to ensure the data quality. </p>\n <p>This data set is the precipitation observation data of 10 rainfall stations (caojiaya, shijiapu, hujiapu, Maojiazhuang, liguanwan, chaijiashan, Xinyao, xiaojiagou, banpozhai and lueergoukou) in the third sub region of Loess Hilly and gully region from 1982 to 1990. SM1 ordinary rain gauge, dsj2 siphon rain gauge and SL-1 self recording rain gauge were used for observation. The data set includes daily precipitation scale, precipitation extract table, time maximum precipitation table (1) and precipitation observation results table of successive floods. </p>\n <p>SM1 ordinary rain gauge is used for annual observation, which is extracted in flood season (from May to October) in 4-stage system, and in non flood season in 2-stage system; in flood season observation of rain gauge, extract is made in 24 segment system. The rain gauge is calibrated before the flood season, and the normal rainfall gauge is used to interpolate the abnormal value in the observation process. </p>\n