![]() The corrected snowfall (mm, red lines) by using method I and the absolute difference between two correction methods (mm, blue lines) for each snow event at station (a) 50564, (b) 51358, (c) 53594, (d) 55248, and (e) 57279. The total number of increased rainstorm events (days) due to bias correction for 1961–2013 over mainland China. Blue (red) lines in (b),(d) represent climatologies with (without) bias correction.Ĭlimatology of (left) seasonal precipitation after bias correction (mm), (middle) specific contours of seasonal precipitation (mm) with (blue lines) and without (red lines) bias correction, and (right) the corresponding correction percentage (%) for 1961–2013 over mainland China. (a) Climatology of bias corrected annual precipitation (mm), (b) specific contours of annual precipitation (mm), (c) climatology of precipitation intensity (mm day −1), (d) specific contours of precipitation intensity (mm day −1), and (e) correction percentage of precipitation intensity (%) for 1961–2013 over mainland China. The per 10 a trend of annual mean wind speed for precipitation days for 1961–2013 over mainland China, and the regions having significant changes at 0.05 confidence level are stippled. Mean of seasonal (left) correction amount (mm) and (right) percentage (%) for trace precipitation for 1961–2013 over mainland China.Īs in Fig. Measured/corrected climatology and correction percentages for the climatology of (a) annual precipitation (mm), (b) daily precipitation intensity (mm day −1) (c),(d) light rain amount (mm) and intensity (mm day −1), respectively and (e),(f) rainstorm amount (mm) and intensity (mm day −1), respectively, during the period of 1961–2013 for 7 representative gauges with no relocations.įrequency of occurrence distribution of bias corrected (blue lines), measured (red lines) daily precipitation, and the frequency gap (black lines) between them for 7 representative gauges with no relocations. (a) Distribution of the 2379 CMA national stations (red dots) over mainland China and seven stations with no relocations (blue pluses) chosen to assess the bias correction results, and (b) temporal evolution of the number of available stations with at least 75%, 90%, and 99% valid daily records within each particular year.įrequency distribution of (a) the maximum and (b) mean bias correction for the total correction of daily precipitation in all stations. ![]()
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