[ecco-support] [EXTERNAL] CORRECTION: How to get the total diffusivity in ECCOv4

Paola Cessi pcessi at ucsd.edu
Fri Jul 23 21:14:23 EDT 2021


Thanks Ou, found it! And the .meta file is the same as input_init <https://ecco.jpl.nasa.gov/drive/files/Version4/Release3/input_init> /xx_diffkr.0000000059. <https://ecco.jpl.nasa.gov/drive/files/Version4/Release3/input_init/xx_diffkr.0000000059.data>meta , right?

Paola

> On Jul 23, 2021, at 5:26 PM, Wang, Ou (US 329B) <ou.wang at jpl.nasa.gov> wrote:
> 
> Hi Paola,
>  
> The dimensional adjusted diffusivity for Release 3 is in https://ecco.jpl.nasa.gov/drive/files/Version4/Release3/other/adjusted/xx_diffkr.dim.adjusted.0000000059.data <https://urldefense.proofpoint.com/v2/url?u=https-3A__ecco.jpl.nasa.gov_drive_files_Version4_Release3_other_adjusted_xx-5Fdiffkr.dim.adjusted.0000000059.data&d=DwMGaQ&c=-35OiAkTchMrZOngvJPOeA&r=YvEcUc3iPS8v6LXnkXPI-w&m=nOXKAklfyFn2aPSp4BhLVNBbAX4GgIAPKqUe1AKm844&s=A4bofhwA7QXu9Wvmx6KHbbAwIBGP9quFPN2w8sQGM5M&e=>.
>  
> Best,
> Ou
>  
> From: <ecco-support-bounces at mit.edu> on behalf of Paola Cessi <pcessi at ucsd.edu>
> Reply-To: "ECCO support list, wider membership" <ecco-support at mit.edu>
> Date: Friday, July 23, 2021 at 5:06 PM
> To: "ECCO support list, wider membership" <ecco-support at mit.edu>
> Subject: Re: [ecco-support] [EXTERNAL] CORRECTION: How to get the total diffusivity in ECCOv4
>  
> Hi Ou, 
>  
> I am having the same problem as Christopher, but with release 3: I downloaded files <https://urldefense.proofpoint.com/v2/url?u=https-3A__ecco.jpl.nasa.gov_drive_files&d=DwMGaQ&c=-35OiAkTchMrZOngvJPOeA&r=YvEcUc3iPS8v6LXnkXPI-w&m=nOXKAklfyFn2aPSp4BhLVNBbAX4GgIAPKqUe1AKm844&s=yb0X6mbL6iXYf2njuGphJVi6iN9UZdyUuDY6w_gxHwI&e=> / Version4 <https://urldefense.proofpoint.com/v2/url?u=https-3A__ecco.jpl.nasa.gov_drive_files_Version4&d=DwMGaQ&c=-35OiAkTchMrZOngvJPOeA&r=YvEcUc3iPS8v6LXnkXPI-w&m=nOXKAklfyFn2aPSp4BhLVNBbAX4GgIAPKqUe1AKm844&s=w1WCTWPCxPnK59oJ-3GiHyo1aFJKSLYLvp1fDzt7Bbo&e=> / Release3 <https://urldefense.proofpoint.com/v2/url?u=https-3A__ecco.jpl.nasa.gov_drive_files_Version4_Release3&d=DwMGaQ&c=-35OiAkTchMrZOngvJPOeA&r=YvEcUc3iPS8v6LXnkXPI-w&m=nOXKAklfyFn2aPSp4BhLVNBbAX4GgIAPKqUe1AKm844&s=sC_1QsWfrbNjiNocgiiQs0O7JcJQNVaNWX1TgOLSPuk&e=> / input_init <https://urldefense.proofpoint.com/v2/url?u=https-3A__ecco.jpl.nasa.gov_drive_files_Version4_Release3_input-5Finit&d=DwMGaQ&c=-35OiAkTchMrZOngvJPOeA&r=YvEcUc3iPS8v6LXnkXPI-w&m=nOXKAklfyFn2aPSp4BhLVNBbAX4GgIAPKqUe1AKm844&s=w4pztQLAbGd8hz_2CD_ueWGBBtmFJCokpjxntE15g2s&e=> /xx_diffkr.0000000059.data <https://urldefense.proofpoint.com/v2/url?u=https-3A__ecco.jpl.nasa.gov_drive_files_Version4_Release3_input-5Finit_xx-5Fdiffkr.0000000059.data&d=DwMGaQ&c=-35OiAkTchMrZOngvJPOeA&r=YvEcUc3iPS8v6LXnkXPI-w&m=nOXKAklfyFn2aPSp4BhLVNBbAX4GgIAPKqUe1AKm844&s=jtlDlLUSPvUkEeO_f-DYCKma9PxcsJj0ApkYW8pHJEU&e=>, and the range of values is [-0.6 0.4]: too large to be vertical diffusivities (negative?). Can you please point me to the diffusivity files for release3?
> 
> 
> Many thanks,
> Paola
> 
> --------------------------------------------------------------------------------------------
> Paola Cessi                                                         Tel: +1 858 534 0622 
> Scripps Institution of Oceanography                  Fax: +1 858 534 8045
> 9500 Gilman Drive #0213                             e-mail: pcessi at ucsd.edu <mailto:pcessi at ucsd.edu> 
> La Jolla, CA 92093-0213          Web: http://pordlabs.ucsd.edu/pcessi <https://urldefense.proofpoint.com/v2/url?u=https-3A__urldefense.us_v3_-5F-5Fhttp-3A_pordlabs.ucsd.edu_pcessi-5F-5F-3B-21-21PvBDto6Hs4WbVuu7-21fsxdH6il0cs8gPy2j4KkEKbm6gA3GeQz5DpxJVmVJfeEihLVQgSFhGROuiWeOOMQ2Z8-24&d=DwMGaQ&c=-35OiAkTchMrZOngvJPOeA&r=YvEcUc3iPS8v6LXnkXPI-w&m=nOXKAklfyFn2aPSp4BhLVNBbAX4GgIAPKqUe1AKm844&s=9Ve_5y7IfdFFfYBIpqkLkGgmrus37j9Qmj-lS2em5c0&e=>
> USA               
> 
> Delivery address (Fed-Ex, DHL, UPS, etc.):
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> 
> 
> 
>> On Jun 4, 2021, at 11:40 AM, Wang, Ou (US 329B) <ou.wang at jpl.nasa.gov <mailto:ou.wang at jpl.nasa.gov>> wrote:
>>  
>> Hi Christopher,
>>  
>> One correction to the alternative way I mentioned;
>> Alternatively, you can calculate it by summing up the first guess of a constant 1e-5 m^2/s (not total_diffkr_r009bit11.bin)and xx_diffkr.dim.0000000129.data.
>>  
>> See Forget et al. (2015; doi:10.5194/gmd-8-3071-2015), Table 1 for the first guess of the mixing parameters.
>>  
>> Ou
>>  
>>  
>> From: <ecco-support-bounces at mit.edu <mailto:ecco-support-bounces at mit.edu>> on behalf of "Wang, Ou (US 329B)" <ou.wang at jpl.nasa.gov <mailto:ou.wang at jpl.nasa.gov>>
>> Reply-To: "ECCO support list, wider membership" <ecco-support at mit.edu <mailto:ecco-support at mit.edu>>
>> Date: Friday, June 4, 2021 at 9:17 AM
>> To: "ECCO support list, wider membership" <ecco-support at mit.edu <mailto:ecco-support at mit.edu>>
>> Subject: Re: [ecco-support] [EXTERNAL] How to get the total diffusivity in ECCOv4
>>  
>> Hi Christopher,
>>  
>> PO.DAAC is now hosting V4r4’s files. You can get V4r4’s dimensional vertical diffusivity field (first guess plus the control adjustment) from PO.DAAC at https://archive.podaac.earthdata.nasa.gov/podaac-ops-cumulus-protected/ECCO_L4_OCEAN_3D_MIX_COEFFS_LLC0090GRID_V4R4/OCEAN_3D_MIXING_COEFFS_ECCO_V4r4_native_llc0090.nc <https://urldefense.proofpoint.com/v2/url?u=https-3A__urldefense.us_v3_-5F-5Fhttps-3A_urldefense.proofpoint.com_v2_url-3Fu-3Dhttps-2D3A-5F-5Furldefense.us-5Fv3-5F-2D5F-2D5Fhttps-2D3A-5Farchive.podaac.earthdata.nasa.gov-5Fpodaac-2D2Dops-2D2Dcumulus-2D2Dprotected-5FECCO-2D5FL4-2D5FOCEAN-2D5F3D-2D5FMIX-2D5FCOEFFS-2D5FLLC0090GRID-2D5FV4R4-5FOCEAN-2D5F3D-2D5FMIXING-2D5FCOEFFS-2D5FECCO-2D5FV4r4-2D5Fnative-2D5Fllc0090.nc-2D5F-2D5F-2D3B-2D21-2D21PvBDto6Hs4WbVuu7-2D21bO3-2D2DZfkkeOEujVIhL2nn3AEb9q1Zl86CHb1ZTrYDdah4HPKuSZ-2D5FF2v6ZPAv3JA9Giy4-2D24-26d-3DDwMGaQ-26c-3D-2D35OiAkTchMrZOngvJPOeA-26r-3DYvEcUc3iPS8v6LXnkXPI-2Dw-26m-3D6Ilpubv4qn3OD41-2D8yhyk6uu5j1XJQRLMfnf7OSEpRQ-26s-3DFPXRnuyQe-5FXQBb92q8-5FlgGGF7xNgSrdEC2S7NliIZnw-26e-3D-5F-5F-3B-21-21PvBDto6Hs4WbVuu7-21fsxdH6il0cs8gPy2j4KkEKbm6gA3GeQz5DpxJVmVJfeEihLVQgSFhGROuiWeNAyI-5FLY-24&d=DwMGaQ&c=-35OiAkTchMrZOngvJPOeA&r=YvEcUc3iPS8v6LXnkXPI-w&m=nOXKAklfyFn2aPSp4BhLVNBbAX4GgIAPKqUe1AKm844&s=wSaAr_wxeEzc3X2p37ESDuKAU4MwwJa_bMDjmSjK2Rc&e=>. The variable is called “DIFFKR” in the NetCDF file. Alternatively, you can calculate it by summing up total_diffkr_r009bit11.bin and xx_diffkr.dim.0000000129.data that are available on ECCO Drive at https://ecco.jpl.nasa.gov/drive/files/Version4/Release4/input_init/total_diffkr_r009bit11.bin <https://urldefense.proofpoint.com/v2/url?u=https-3A__urldefense.us_v3_-5F-5Fhttps-3A_urldefense.proofpoint.com_v2_url-3Fu-3Dhttps-2D3A-5F-5Fecco.jpl.nasa.gov-5Fdrive-5Ffiles-5FVersion4-5FRelease4-5Finput-2D5Finit-5Ftotal-2D5Fdiffkr-2D5Fr009bit11.bin-26d-3DDwQGaQ-26c-3D-2D35OiAkTchMrZOngvJPOeA-26r-3DYvEcUc3iPS8v6LXnkXPI-2Dw-26m-3D6Ilpubv4qn3OD41-2D8yhyk6uu5j1XJQRLMfnf7OSEpRQ-26s-3DAt-5FqtxweGPSK3iWrt0MTdwFZh-2DQh5o8DZk6kxGJy3qc-26e-3D-5F-5F-3B-21-21PvBDto6Hs4WbVuu7-21fsxdH6il0cs8gPy2j4KkEKbm6gA3GeQz5DpxJVmVJfeEihLVQgSFhGROuiWepw7u788-24&d=DwMGaQ&c=-35OiAkTchMrZOngvJPOeA&r=YvEcUc3iPS8v6LXnkXPI-w&m=nOXKAklfyFn2aPSp4BhLVNBbAX4GgIAPKqUe1AKm844&s=ImVfTv2sblvKU_kVvI-R5_1HPnLdnEptbssVuhwhqHM&e=> andhttps://ecco.jpl.nasa.gov/drive/files/Version4/Release4/other/adjustments/xx_diffkr.dim.0000000129.data <https://urldefense.proofpoint.com/v2/url?u=https-3A__urldefense.us_v3_-5F-5Fhttps-3A_urldefense.proofpoint.com_v2_url-3Fu-3Dhttps-2D3A-5F-5Fecco.jpl.nasa.gov-5Fdrive-5Ffiles-5FVersion4-5FRelease4-5Fother-5Fadjustments-5Fxx-2D5Fdiffkr.dim.0000000129.data-26d-3DDwMGaQ-26c-3D-2D35OiAkTchMrZOngvJPOeA-26r-3DYvEcUc3iPS8v6LXnkXPI-2Dw-26m-3D6Ilpubv4qn3OD41-2D8yhyk6uu5j1XJQRLMfnf7OSEpRQ-26s-3DPoZK-2D6xokNwmLvGaaEYxY1OlakgA-5F2PpUzEKmntKQwA-26e-3D-5F-5F-3B-21-21PvBDto6Hs4WbVuu7-21fsxdH6il0cs8gPy2j4KkEKbm6gA3GeQz5DpxJVmVJfeEihLVQgSFhGROuiWeP4JWXwo-24&d=DwMGaQ&c=-35OiAkTchMrZOngvJPOeA&r=YvEcUc3iPS8v6LXnkXPI-w&m=nOXKAklfyFn2aPSp4BhLVNBbAX4GgIAPKqUe1AKm844&s=1lMexvYgqKN4-IVJrpf0Pcxr2_MA8yCJ99FWuASkkk4&e=>.
>>  
>> The description about total_kapredi_r009bit11.bin in the ECCOv4 Python tutorial is incorrect and will be corrected. The field in total_kapredi_r009bit11.bin is the Redi parameter from Release 1, not the adjusted Redi parameter from Release 4.
>>  
>> Ou
>>  
>> From: <ecco-support-bounces at mit.edu <mailto:ecco-support-bounces at mit.edu>> on behalf of Christopher Wolfe <christopher.wolfe at stonybrook.edu <mailto:christopher.wolfe at stonybrook.edu>>
>> Reply-To: "ECCO support list, wider membership" <ecco-support at mit.edu <mailto:ecco-support at mit.edu>>
>> Date: Friday, June 4, 2021 at 6:44 AM
>> To: "ecco-support at mit.edu <mailto:ecco-support at mit.edu>" <ecco-support at mit.edu <mailto:ecco-support at mit.edu>>
>> Subject: [EXTERNAL] [ecco-support] How to get the total diffusivity in ECCOv4
>>  
>> Hi all: 
>>  
>> I’m trying to figure out what the vertical diffusivity field in ECCOv4r4 is, but I’m a little confused about which input file actually contains this data. 
>>  
>> The ECCOv4 python tutorial (at https://ecco-v4-python-tutorial.readthedocs.io/ECCO_v4_Loading_LLC_compact_binary_files.html#Example-3:-Load-a-3D-'compact'-llc-binary-file-with-3rd-dimension-=-Depth <https://urldefense.proofpoint.com/v2/url?u=https-3A__urldefense.us_v3_-5F-5Fhttps-3A_urldefense.proofpoint.com_v2_url-3Fu-3Dhttps-2D3A-5F-5Furldefense.us-5Fv3-5F-2D5F-2D5Fhttps-2D3A-5Fecco-2D2Dv4-2D2Dpython-2D2Dtutorial.readthedocs.io-5FECCO-2D5Fv4-2D5FLoading-2D5FLLC-2D5Fcompact-2D5Fbinary-2D5Ffiles.html-2D2AExample-2D2D3-2D3A-2D2DLoad-2D2Da-2D2D3D-2D2D-2D27compact-2D27-2D2Dllc-2D2Dbinary-2D2Dfile-2D2Dwith-2D2D3rd-2D2Ddimension-2D2D-2D3D-2D2DDepth-2D5F-2D5F-2D3BIw-2D21-2D21PvBDto6Hs4WbVuu7-2D21eGOlWbFIVdKaXoIQQEcSSqRPb2UW2kabBqJXw8Hdg5AizGFceCu2pSW1rdXfRM0vvIA-2D24-26d-3DDwMGaQ-26c-3D-2D35OiAkTchMrZOngvJPOeA-26r-3DYvEcUc3iPS8v6LXnkXPI-2Dw-26m-3D6Ilpubv4qn3OD41-2D8yhyk6uu5j1XJQRLMfnf7OSEpRQ-26s-3DfxELJ2y1vojHpoBCo-2DjcZf5rct4ipSYukwbcHp3nRWM-26e-3D-5F-5F-3B-21-21PvBDto6Hs4WbVuu7-21fsxdH6il0cs8gPy2j4KkEKbm6gA3GeQz5DpxJVmVJfeEihLVQgSFhGROuiWeUNE8dwE-24&d=DwMGaQ&c=-35OiAkTchMrZOngvJPOeA&r=YvEcUc3iPS8v6LXnkXPI-w&m=nOXKAklfyFn2aPSp4BhLVNBbAX4GgIAPKqUe1AKm844&s=RtsO3VGkFw2WuVEPtijcq2yQD6gDsbMMgWlK5GuJVvQ&e=>) says that total_kapredi_r009bit11.bin is the "adjusted GM redi parameter (first guess + adjustments)”, which implies that total_diffkr_r009bit11.bin should be the adjusted diffusivity. 
>>  
>> On the other hand, the README at https://ecco.jpl.nasa.gov/drive/files/Version4/Release4/input_init/README <https://urldefense.proofpoint.com/v2/url?u=https-3A__urldefense.us_v3_-5F-5Fhttps-3A_urldefense.proofpoint.com_v2_url-3Fu-3Dhttps-2D3A-5F-5Fecco.jpl.nasa.gov-5Fdrive-5Ffiles-5FVersion4-5FRelease4-5Finput-2D5Finit-5FREADME-26d-3DDwMGaQ-26c-3D-2D35OiAkTchMrZOngvJPOeA-26r-3DYvEcUc3iPS8v6LXnkXPI-2Dw-26m-3D6Ilpubv4qn3OD41-2D8yhyk6uu5j1XJQRLMfnf7OSEpRQ-26s-3DY5km8rLOIAScTdlOx-2DH4gujN5dag4QnliKlbo22oRnY-26e-3D-5F-5F-3B-21-21PvBDto6Hs4WbVuu7-21fsxdH6il0cs8gPy2j4KkEKbm6gA3GeQz5DpxJVmVJfeEihLVQgSFhGROuiWeWFHJfMg-24&d=DwMGaQ&c=-35OiAkTchMrZOngvJPOeA&r=YvEcUc3iPS8v6LXnkXPI-w&m=nOXKAklfyFn2aPSp4BhLVNBbAX4GgIAPKqUe1AKm844&s=WCDQan_WewifVL3NntyAIn35yg-an_u7Z9T15H1eJVA&e=> says that  total_diffkr_r009bit11.bin is the "vert. diff. of release 1 (this field plus xx is the total)”, which means that I should add xx_diffkr.0000000129.data to this to get the full diffusivity. However, the values in this file are order 1, so adding it to total_diffkr_r009bit11 would produce diffusivities far outside the expected range.
>> 
>> 
>> 
>> 
>> The gencost documentation of the ctrl package (https://mitgcm.readthedocs.io/en/latest/ocean_state_est/ocean_state_est.html#ctrl-model-parameter-adjustment-capability <https://urldefense.proofpoint.com/v2/url?u=https-3A__urldefense.us_v3_-5F-5Fhttps-3A_urldefense.proofpoint.com_v2_url-3Fu-3Dhttps-2D3A-5F-5Furldefense.us-5Fv3-5F-2D5F-2D5Fhttps-2D3A-5Fmitgcm.readthedocs.io-5Fen-5Flatest-5Focean-2D5Fstate-2D5Fest-5Focean-2D5Fstate-2D5Fest.html-2D2Actrl-2D2Dmodel-2D2Dparameter-2D2Dadjustment-2D2Dcapability-2D5F-2D5F-2D3BIw-2D21-2D21PvBDto6Hs4WbVuu7-2D21eGOlWbFIVdKaXoIQQEcSSqRPb2UW2kabBqJXw8Hdg5AizGFceCu2pSW1rdXfrjEs71w-2D24-26d-3DDwMGaQ-26c-3D-2D35OiAkTchMrZOngvJPOeA-26r-3DYvEcUc3iPS8v6LXnkXPI-2Dw-26m-3D6Ilpubv4qn3OD41-2D8yhyk6uu5j1XJQRLMfnf7OSEpRQ-26s-3DLhszeqkXgaIfNrgQxtvATYOLrdq9U9ivph736gNqDmA-26e-3D-5F-5F-3B-21-21PvBDto6Hs4WbVuu7-21fsxdH6il0cs8gPy2j4KkEKbm6gA3GeQz5DpxJVmVJfeEihLVQgSFhGROuiWe-5F2HTmR0-24&d=DwMGaQ&c=-35OiAkTchMrZOngvJPOeA&r=YvEcUc3iPS8v6LXnkXPI-w&m=nOXKAklfyFn2aPSp4BhLVNBbAX4GgIAPKqUe1AKm844&s=AZw5KDok4BNpRppFtNNp39kD6-BwBvCZdadPGrGWrz8&e=>) says that the xx adjustments are non-dimensional and need to be scaled by one over the square root of the weights, which are in r2.wdiffkrFldv2.data. Using this produces adjustments on the order of 1e-6 to 1e-5, which seems about right. However, the data.ctrl namelist also specifies WC01 smoothing and some thresholding. Do these need to be applied as well?
>> 
>> 
>> 
>> 
>> Is the best way to get this data simply to run the model for a bit and have it dump diffkr? It would be convenient to be able to calculate these quantities without having to run the model, however.
>> 
>> 
>> 
>> 
>> Thanks in advance for your advise,
>> Christopher
>> 
>> 
>> 
>> 
>> ----------------------------------------------------------------------------
>> Christopher L. Pitt Wolfe
>> Associate Professor (Physical Oceanography)
>> School of Marine and Atmospheric Sciences
>> Stony Brook University
>> christopher.wolfe at stonybrook.edu <mailto:christopher.wolfe at stonybrook.edu>             631-632-3152
>> ----------------------------------------------------------------------------
>> 
>> 
>> 
>> 
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