Geostrophic Approximation
Horizontal motions are in balance with the pressure
gradient force. Friction is negligible ( i.e.,
far away from surface). Steady flow with small curvature
( i.e., dV/dt = 0 ). Works well for z 1 km,
> 10°.
![rho](https://pds-atmospheres.nmsu.edu/images/rho2.gif)
![partial](https://pds-atmospheres.nmsu.edu/images/partial.gif)
![partial](https://pds-atmospheres.nmsu.edu/images/partial.gif)
![rho](https://pds-atmospheres.nmsu.edu/images/rho2.gif)
![partial](https://pds-atmospheres.nmsu.edu/images/partial.gif)
![partial](https://pds-atmospheres.nmsu.edu/images/partial.gif)