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要旨:
Climate models are fundamental tools for assessing historical climate conditions and
projecting future ones. However, the results often differ systematically from observational data. The
minimization of these differences is known as bias correction. The present study aims to correct
the biases between observed daily precipitation values and the respective simulated ones from a
EURO-CORDEX climate model. For this purpose, powerful statistical tools—generalized additive
models (GAMs)—are used. GAMs are modified to adjust the simulated rainfall with the highest
accuracy, and subsequently, they are evaluated by comparison with observational data. The method
was applied to two eastern Mediterranean stations (Larissa in Greece and Larnaca in Cyprus) for the
period 1981 to 2005. The results from both stations reveal that GAMs offer a valuable and accurate
technique for the bias adjustment of daily precipitation.
