Rainfall unit problem

Question

Hello All,

I knew that there was a similar question before but my question is slightly different from this.

http://www.hydronumerics.com.au/forums/73/unit-of-rain-meteorological-boundary-condition

I knew that rainfall rate unit as input should be in (m/day) but if you want to have rainfall in output add <globalVariable>RAIN</globalVariable> to datablock.xml file and plot the results you will find out that the values are in (m/s) but still the y-axis label shows unit in m/day.

this took lots of time and effort from me because I was trying to have dynamic boundary condition based on amount of rainfall rate as my <Range_Variable> but the unit that I used was in m/day which after a long time trial and error I figured out that the unit of rainfall in output is m/s not m/day - very confusing !

This is a link to see the final output

https://drive.google.com/file/d/1ucbdARfixPFKf5-iJdw92xdHjtJpcTDK/view?usp=sharing

as you can see the actual value is 2.4 m/day but it converted to m/s which is 2.77E-5 but still the y-axis label is m/day !

please let me know if I am right.

thanks

Mohammad

Answer 1

Hi Mohammed,

you are correct, once the rainfall is read into AEM3D the units are converted to m/s.

Hydorhub guesses at units for the y-axis for all variables just based on the name.

Chris