Michael Getachew

6 Questions 7 Answers 0 Followers

Questions related from Michael Getachew

I was trying to get the wind speed for Hurricane Katrina from reanalysis products but the wind speed is only about 45m/s, why is it very low?

I wanted to observe the rotational velocity of the Hurricane which was reported to be around 175mph, but when I looked at reanlysis products like ERA Interim or 20CRV2C the maximum wind speed I...

25 April 2019 8,573 4 View

Is it plausible to use satellite rainfall data on hydrological model that was calibrated with different rainfall data?

I have a calibrated hydrological model (using rain gauge rainfall data) and now I wanted to use a satellite data (I applied bias correction) on the same model in order to test how good satellite...

24 July 2017 3,560 8 View

High ensemble spread or Low ensemble spread? Which one is good for hydrologic forecast?

Considering ensemble based forecasting of let's say stream flow, which one is better; a forecast with high ensemble spread or low ensemble spread. Its a bit ambiguous: low ensemble spread could...

12 July 2017 3,558 3 View

Appropriate model time step for rainfall-runoff modelling

What is a reasonable range of model time step to be used for rainfall-runoff modelling? What could be the significant difference when using let's say 5 min or 60 mins of model time step?

17 June 2017 3,150 11 View

Do you recommend any materials to get started with data assimilation?

I would like to study Data assimilation in hydrodynamic-hydrological forecas systems. I am new to data assimilation and the techniques involved. Do you recommend any papers, books or reading...

18 December 2016 4,028 1 View

Hi there, I would like to understand the application of dynamic programming for optimal reservoir operation. Can you suggest projects or publications

I would like to understand the basics of dynamic programming and use it to optimize reservoir operation for flood risk reduction, hydropower production.

03 November 2016 5,212 3 View