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.
|collect time||1982/01/01 - 1989/12/31|
|collect place||Lvergou watershed, Qinzhou District, Tianshui City, Gansu Province|
|altitude||1107.0m - 1176.0m|
|data size||1.3 MB|
Instrument continuous observation; manual timing observation; manual data extraction and compilation
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.
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.
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