We should add the time variable fields listed [here](https://docs.google.com/spreadsheets/d/1tVpZ3H3FG_USf8fhGfDqOCffPdYNGggepMNqOK76moI/edit#gid=0) to Alpine-3D netCDF output. Examples include: 1. Top 1 m snow density 2. Liquid water content 3. Snow height change
We should add the time variable fields listed here to Alpine-3D netCDF output. Examples include: