mom Archives - RID - Reanalysis Intercomparison Dataset

Acceleration by meridional eddy momentum flux convergence

Mathematical expression: $-1/(a\cos^2\phi)\partial{}(\overline{u’v’\cos^2\phi})/\partial{}\phi$
NetCDF variable name: u_accel_by_vu_flux
Data located in zonal >mom (daily), (monthly)

Pressure-latitude cross section of “Acceleration by meridional eddy momentum flux convergence” in DJF for (top) the reanalysis ensemble mean (REM) averaged over 2010-2020. (below) The same for individual reanalyses. Reanalysis datasets included in the REM are indicated with a magenta border.

Period	2010-2020
DJF
JJA
MAM
SON

Acceleration by vertical eddy momentum flux convergence

Mathematical expression: $-\partial{}(\overline{\omega’u’})/\partial{}p$
NetCDF variable name: u_accel_by_wu_flux
Data located in zonal >mom (daily), (monthly)

Pressure-latitude cross section of “Acceleration by vertical eddy momentum flux convergence” in DJF for (top) the reanalysis ensemble mean (REM) averaged over 2010-2020. (below) The same for individual reanalyses. Reanalysis datasets included in the REM are indicated with a magenta border.

Period	2010-2020
DJF
JJA
MAM
SON

Advection of zonal momentum by pressure velocity

Mathematical expression: $-\overline{\omega}(\partial\overline{u}/\partial{}p)$
NetCDF variable name: u_adv_by_w
Data located in zonal >mom (daily), (monthly)

Pressure-latitude cross section of “Advection of zonal momentum by pressure velocity” in DJF for (top) the reanalysis ensemble mean (REM) averaged over 2010-2020. (below) The same for individual reanalyses. Reanalysis datasets included in the REM are indicated with a magenta border.

Period	2010-2020
DJF
JJA
MAM
SON

Advection of zonal momentum by meridional wind

Mathematical expression: $-\overline{v}/(a\cos{\phi})\partial{}(\overline{u}\cos{\phi})/\partial\phi$
NetCDF variable name: u_adv_by_v
Data located in zonal >mom (daily), (monthly)

Pressure-latitude cross section of “Advection of zonal momentum by meridional wind” in DJF for (top) the reanalysis ensemble mean (REM) averaged over 2010-2020. (below) The same for individual reanalyses. Reanalysis datasets included in the REM are indicated with a magenta border.

Period	2010-2020
DJF
JJA
MAM
SON

Coriolis torque

Mathematical expression: $f\overline{v}$
NetCDF variable name: coriolis_torque
Data located in zonal >mom (daily), (monthly)

Pressure-latitude cross section of “Coriolis torque” in DJF for (top) the reanalysis ensemble mean (REM) averaged over 2010-2020. (below) The same for individual reanalyses. Reanalysis datasets included in the REM are indicated with a magenta border.