Calibration using MODIS Snow Cover Area Product

[Amatullah]

Hi

 I wanted to calibrate my snow related parameters with MODIS Snow Cover Area dataset. I am not getting which snow related SPHY output should compare with MODIS snow cover area to calibrate the snow related parameters and HOW?

Kindly reply me ASAP. 

Kind Regards

[WilcoTerink]

hi,

It does not report snow cover by default. You can easily implement one line of code that reports a snow cover map for each day in your simulation and compare those with MODIS imagery. E.g.:

self.report(SnowFrac, folder/snow)

Should do the job. You basically need to replace 'folder' with the path where you want to store your output.

Hope this helps.

Cheers,

Wilco

[Amatullah]

Thank you for your response but i am not get your instructions where should i add this command and how properly? i want snow cover area of a subbasin in a percentage for example 1jan 10%
2jan 11%
3Jan 11% etc 

In SPHY .py  file 
Where should i add proper command kindly let me know ASAP. I am not getting any command in sphy.py you mentioned above  to write a proper command.

[WilcoTerink]

Hi,

Just put it somewhere in the dynamic section after the line where variable SnowFrac is calculated. Implementing this line of code allows the model to write the cell fractional snow coverage. To calculate it per sub-basin you need to average those cells over the sub-basin area.

Cheers,

Wilco