[ecco-support] [EXTERNAL] Question about ECCO and ECCO2

[Wang, Ou (US 329B)]

Hi Ezequiel,

For ECCO v4r4 https://ecco.jpl.nasa.gov/drive/files/Version4/Release4/nctiles_monthly/, the OBP fields include the contributions from atmospheric pressure. There are two ocean bottom fields: OBPNOPAB and OBP. OBPNOPAB does *not* have the contribution of the global mean atmospheric pressure, while OBP does.

ECCO v4r3 and ECCO2 do *not* have atmospheric pressure forcing, and therefore the ocean bottom pressure field has *no* contribution from atmospheric pressure.

Regards,
Ou Wang

From: <ecco-support-bounces at mit.edu> on behalf of Ezequiel Darío Antokoletz <ezequiel.antokoletz at gmail.com>
Reply-To: "ECCO support list, wider membership" <ecco-support at mit.edu>
Date: Friday, February 21, 2020 at 9:46 AM
To: "ecco-support at mit.edu" <ecco-support at mit.edu>
Subject: [EXTERNAL] [ecco-support] Question about ECCO and ECCO2

Dear Sir/Madam,

My name is Ezequiel D. Antokoletz. I am an Argentinean PhD student on Geophysics working on loading effects on gravity at the Argentinean-German Geodetic Observatory (AGGO).

I am writing you in order to ask about the Ocean Bottom Pressure (OBP) field obtained from ECCO and ECCO2 runs. As I understand, OBP is the total pressure at the sea-floor, e.g. the sum of water and air columns. This last comes from the forcing field NCEP. I wanted to know if this is what OBP fields available to download are or if it is only the ocean contribution to OBP (NCP air pressure field subtracted).

Best regards and thank you in advance,
Ezequiel D. Antokoletz.

Geof. Ezequiel D. Antokoletz
Dpto. de Gravimetría
Facultad de Ciencias Astronómicas y Geofísicas
Universidad Nacional de La Plata
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