How do I convert ERA Interim precipitation estimates from kg/m2/s to mm/day?
I want to compare ERA Interim precipitation estimates with ground measurements so i do not know to convert the data from kg/m2/s to mm/day.
Thanks in advance
Nkiaka
You have to consider that:
- 1 kg of rain water spread over 1 square meter of surface is 1 mm in thickness;
- there are 60X60X24=86400 seconds in one day.
Therefore, 1 kg/m2/s = 86400 mm/day.
Considering that this would be an enormous amount of rain in a day by any standard, perhaps 1 kg/m2/s could be in reality 1 kg/m2/year, or per month, or per day. 1 kg/m2 is always 1 mm of rain.
1 kg/m2/s = 1 mm/s