Estimations of Probable Maximum Precipitation (PMP) for the Evinos catchment in Greece using a Storm Model approach
✍ Scribed by P J Hardaker
- Publisher
- John Wiley and Sons
- Year
- 2007
- Tongue
- English
- Weight
- 772 KB
- Volume
- 3
- Category
- Article
- ISSN
- 1350-4827
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✦ Synopsis
A Storm Model is used to estimate Probable Maximum Precipitation (PMP) for the Evinos catchment in Greece. The model determines the maximum dew-point temperature from the effects of solar heating, orographic lifting and convergence, in terms of the change in temperature of a rising parcel of air. From this the model estimates the maximum precipitable water over the catchment and together with storm efficiency calculates PMP. For the Evinos catchment the 12-hour PMP is estimated to be 478 mm and the 24-hour PMP is 494 mm, occurring in late July. Further, the total water from a maximum rainfall event taken together with a rare snowmelt is unlikely to exceed the amount of water produced by a maximum rainfall in late July; hence, the latter is taken as the catchment PMP.