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nansencenter

7 indexed repositories · View on GitHub

DAPPER
Data Assimilation with Python: a Package for Experimental Research

Python · 415 stars
nansat
Scientist friendly Python toolbox for processing 2D satellite Earth observation data.

Python · 188 stars
nextsim
NeXtSIM: Next generation sea ice model

C++ · 10 stars
NERSC-HYCOM-CICE
Source code and utilities for the NERSC version of HYCOM+CICE

Fortran · 9 stars
xhycom
Reads HYCOM model output in the native `.a.b` binary format directly into xarray Datasets

Python · 2 stars
limosat

Python · 2 stars
geodataset

Jupyter Notebook · 0 stars

Beginner friendly Everything

Open All

Reproducable results Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

nansencenter/NERSC-HYCOM-CICE#374 · 1 comment · Opened Sep 4, 2026
`flip_x` has no effect for `section_plot` Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

nansencenter/xhycom#26 · Opened Aug 27, 2026
Mixed layer depth Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

nansencenter/xhycom#25 · Opened Aug 26, 2026
Nutrient units Open

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

nansencenter/xhycom#24 · Opened Aug 26, 2026
basemap flipped/transposed when using section Open

Difficulty 3/5 1-2 days Newbie friendliness 58/100

nansencenter/xhycom#23 · 7 comments · Opened Aug 24, 2026
No checks for rmutr.a/b Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

nansencenter/NERSC-HYCOM-CICE#371 · Opened Aug 21, 2026
Relax-file topography issue Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

nansencenter/NERSC-HYCOM-CICE#370 · Opened Aug 20, 2026
biology restart after cold-start prone to error Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

nansencenter/NERSC-HYCOM-CICE#369 · Opened Aug 20, 2026
parallel restart writing Open

enhancement

nansencenter/nextsim#711 · 1 comment · 2 assignees · Opened Jul 28, 2026
bin/stage_nesting_files.sh starts one day after the start date given Open

nansencenter/NERSC-HYCOM-CICE#352 · 1 assignee · Opened Jul 1, 2026
Improve preprocessing Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

nansencenter/limosat#63 · Opened Feb 24, 2026
use gmsh version 4 Open

enhancement

nansencenter/nextsim#702 · 1 assignee · Opened Feb 13, 2026
Increase trajectory lengths Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

nansencenter/limosat#62 · 1 comment · Opened Feb 2, 2026
Compilation with latest boost version doesn't work Open

nansencenter/nextsim#697 · 1 assignee · Opened Jan 18, 2026
update timer Open

enhancement

nansencenter/nextsim#687 · 1 comment · 1 assignee · Opened Dec 18, 2025
compile nextsim libraries as static libraries Open

nansencenter/nextsim#686 · 1 assignee · Opened Dec 18, 2025
Update relational database and keypoints table structure Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

nansencenter/limosat#50 · Opened Oct 30, 2025
Another refactor Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

nansencenter/limosat#42 · Opened Sep 14, 2025
OOM memory fuse Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

nansencenter/limosat#37 · Opened Aug 11, 2025
Dynamic velocity filter Open

nansencenter/limosat#36 · 1 comment · 1 reaction · 1 assignee · Opened Aug 11, 2025
'matplotlib.cm' has no attribute 'register_cmap' Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

nansencenter/nansat#555 · Opened Jun 3, 2025
Add option for high frequency river runoff Open

nansencenter/NERSC-HYCOM-CICE#279 · 3 assignees · Opened Mar 13, 2025
Add dependencies versions requirements in packaging config Open

bug

nansencenter/nansat#553 · 1 assignee · Opened Dec 12, 2024
Generate BGC relax-files from NetCDF Open

nansencenter/NERSC-HYCOM-CICE#266 · 1 assignee · Opened Sep 30, 2024
Running ECOSMO without carbon Open

nansencenter/NERSC-HYCOM-CICE#265 · 1 assignee · Opened Sep 30, 2024
geometric tools for evaluation Open

nansencenter/geodataset#35 · 1 assignee · Opened Jul 23, 2024
Can the Nansat library process PalSAR-2 SAR images? Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

nansencenter/nansat#552 · Opened Jun 27, 2024
a error of the ASAR *N1 format data Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

nansencenter/nansat#551 · 4 comments · Opened Jun 9, 2024
MODIS Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

nansencenter/nansat#549 · 5 comments · Opened Jun 6, 2024
Add date identifier to restart file Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

nansencenter/NERSC-HYCOM-CICE#245 · 1 comment · Opened Jun 6, 2024
When I run the sea_ice_drift simple.py sample code, I get an error like this: Open

nansencenter/nansat#544 · 1 comment · 1 assignee · Opened May 12, 2024
nansat.exceptions.NansatProjectionError: Proj4 or WKT (+proj=stere +lon_0=-31.828345 +lat_0=83.722802 +no_defs) is wrong, need help.thank you! Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

nansencenter/nansat#542 · 3 comments · Opened May 3, 2024
Failed in installation " Did you mean : 'extra_compile_args' ?" Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

nansencenter/nansat#536 · 9 comments · Opened Feb 4, 2024
Python 3.12: 'FileFinder' object has no attribute 'find_module' Open

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

nansencenter/nansat#535 · Opened Dec 12, 2023
Initializing ridge ratio based on MYI/FYI observation Open

nansencenter/nextsim#646 · 3 comments · 2 assignees · Opened Nov 28, 2023
Definition of Ko in chrono Open

Difficulty 3/5 1-2 days Newbie friendliness 30/100

nansencenter/DAPPER#107 · 2 comments · Opened Oct 6, 2023
new cmems variables (moorings) Open

enhancement

nansencenter/nextsim#638 · 1 assignee · Opened Jun 19, 2023
How to solve this error? Open

nansencenter/nansat#532 · 1 comment · 1 assignee · Opened Jun 18, 2023
Array become none after reproject, but I totally followed the steps online with the example tif data. Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

nansencenter/nansat#531 · Opened Jun 12, 2023
lost edges Open

nansencenter/nextsim#635 · 1 assignee · Opened Jun 10, 2023
windows nansat1.5.3 Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

nansencenter/nansat#530 · 7 comments · Opened Jun 9, 2023
add dataset for sea ice age Open

nansencenter/geodataset#33 · 1 assignee · Opened May 4, 2023
Extreme value statistics Open

enhancement good first issue

Difficulty 5/5 Over a week Newbie friendliness 25/100

nansencenter/DAPPER#104 · Opened Jan 10, 2023
Watermask docs and metadata are misleading Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

nansencenter/nansat#529 · Opened Jan 5, 2023
Interpolation of external datasets leads to crash when no valid data in a subdomain Open

nansencenter/nextsim#626 · 2 assignees · Opened Dec 15, 2022
GeodatasetRead.get_var_for_nextsim not working when variable has extra dimensions Open

nansencenter/geodataset#30 · 1 assignee · Opened Dec 12, 2022
Arbitrary date restart option does not apply to drifters Open

nansencenter/nextsim#622 · 1 assignee · Opened Nov 18, 2022
Reduced data in .dat/.bin files Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

nansencenter/nextsim#615 · Opened Oct 5, 2022
Dockerfile should refernce a fixed base image Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

nansencenter/nextsim#611 · Opened Sep 22, 2022
New mapper for Sentinel-1 L2 products with support of OWI and RVL product Open

enhancement

nansencenter/nansat#523 · 1 comment · 1 assignee · Opened Aug 25, 2022

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