Product: Ocean Center of Mass
CM - ECCO_v4r4b_noFWF - Version metadata
Available downloads
ECCO_v4r4b_noFWF.cm| Title | CM - ECCO_v4r4b_noFWF |
| Date | 2021-07-20 |
| Volume | ECCO_v4r4b_noFWF |
| Content | oceanic center-of-mass (COM), and total ocean mass (includes effects of sea ice), correction to v4r4 files based on errata issued in June 2021 (https://www.ecco-group.org/products-ECCO-V4r4.htm) Ocean model : ECCO Version 4 Release 4b (based on MITgcm) Horizontal domain : Global Horizontal resolution : Variable spacing ranging from 22 km to 111 km (see Forget et al. 2015, section 2) Vertical resolution : 50 levels ranging in thickness from 10 m at surface to 460 m at depth Boussinesq model? : Yes Tabulated COM corrected for volume changes due to steric effects? : Yes Does not include mass effects from net real freshwater flux Ocean model forcing : 6-hourly ERA-Interim values adjusted by optimization (see Forget et al. 2015, section 3.5); atmospheric surface pressure included but not adjusted by optmization (see Fukumori et al. 2019) Data assimilated : sea level altimetry, in situ temperature/salinity, satellite SST/SSS, bottom pressure, sea-ice concentration (see Fukumori et al. 2019) |
| Documentation | File units : meters for COM, kg for mass The mean has been removed from the tabulated COM and mass values. The mean COM (meters; x,y,z) = -7.63703879E+05 -4.66360672E+05 -8.75396018E+05 The mean total ocean mass (kg) = 1.37371282E+21 This ocean mass can be used to convert the COM values given here to geocenter values. |
| Time Interval | hourly |
| Time Start | 1992-01-01 |
| Time End | 2017-12-31 |
| Data Points | 227903 |
| Data | MJD, COM_X, COM_Y, COM_Z |
| Format | ASCII |
| Frequency | Irregular |
| Keywords | Geophysical fluids, COM |
| Published by | GGFC Special Bureau for the Oceans |
| Contact | rponte@aer.com |
| Distribution | onLine |
| Source | ftp://ig2-dmz.gfz-potsdam.de/GGFC-Oceans/COM/ECCO_v4r4b_noFWF.cm |