[ecco-support] ECCOv4r4 Arctic Cap to WGS-84 geocentric coordinate system conversion

[Ahmed, Ashfaq]

Good morning team,

I am a PhD student at Brown University, and I study the dynamics of the
near-surface circulation in the Arctic Ocean. As part of one of the
projects, I am trying to make an intercomparison between the ECCO sea ice
products (e.g., sea ice velocity, thickness, drift speed, curl, angle) with
other reanalysis products (e.g., NSIDC, OSI-SAF).

To make this comparison, I need to convert the Arctic cap into a WGS-84
geocentric coordinate system. Because the coordinate reference system (CRS)
for the rest of the products is WGS-84, and I want the ECCO to be the same
for a perfect comparison.

I did not find any document that might allow me to make this conversion.
Could you kindly help me with this? I would really appreciate any feedback
from you!

[image: Many thank to Brown University for sponsoring our 50th Anniversary
celebration]
Thanks,
*Ashfaq Ahmed* (he/his)
Doctoral Student,
Center for Fluids and Thermal Science
<https://engineering.brown.edu/people/graduate-students/phd-students/phd-students-fluids-and-thermal-sciences>
School of Engineering, Brown University
Lab website: wilhelmuslab.me
Email: ashfaq_ahmed at brown.edu <ramisa_fariha at brown.edu>
*Profile Links -*
*LinkedIn <https://www.linkedin.com/in/ashfaqahmed40/> | Website
<https://ashfaqnihalbuet.wixsite.com/website> | Google Scholar
<https://scholar.google.com/citations?user=iiSUYgsAAAAJ&hl=en&authuser=1>
| ResearchGate
<https://www.researchgate.net/profile/Ashfaq-Ahmed-15>*
Providence, Rhode Island, USA
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