Name: ICESat-2 L4 Monthly Gridded Sea Ice Thickness, Version 1
Creator: National Snow and Ice Data Center
Keywords: FREEBOARD,ICE DEPTH/THICKNESS,SNOW DEPTH

ICESat-2 L4 Monthly Gridded Sea Ice Thickness, Version 1

Data set id:

IS2SITMOGR4

DOI: 10.5067/CV6JEXEE31HF

Data Citation and Acknowledgment
As a condition of using these data, you must cite the use of this data set. Such a practice gives credit to data set producers and advances principles of transparency and reproducibility.

Petty, A. A., Kurtz, N., Kwok, R., Markus, T. & Neumann, T. A. (2021). ICESat-2 L4 Monthly Gridded Sea Ice Thickness. (IS2SITMOGR4, Version 1). [Data Set]. Boulder, Colorado USA. NASA National Snow and Ice Data Center Distributed Active Archive Center. https://doi.org/10.5067/CV6JEXEE31HF. [describe subset used if applicable]. Date Accessed 10-21-2025.

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There is a more recent version of these data.
Version Summary

Initial release

Overview

This data set reports monthly, gridded winter sea ice thickness across the Arctic Ocean. Sea ice thickness is estimated using ATLAS/ICESat-2 L3A Sea Ice Freeboard (ATL10), Version 4 data and NASA Eulerian Snow On Sea Ice Model (NESOSIM) snow loading.

Parameter(s):

FREEBOARD

ICE DEPTH/THICKNESS

SNOW DEPTH

Platform(s):

ICESat-2

MODELS

Sensor(s):

ATLAS

NOT APPLICABLE

Data Format(s):

NetCDF

Temporal Coverage:

1 November 2018 to 30 April 2021

Temporal Resolution:

1 month

Spatial Resolution:

25 km

25 km

Spatial Reference System(s):

NSIDC Sea Ice Polar Stereographic North
EPSG:3411

Spatial Coverage:

N:
88
S:
60
E:
180
W:
-180

Blue outlined yellow areas on the map below indicate the spatial coverage for this data set.

View Metadata Record

Data Access & Tools

This data set has been retired. There is a more recent version of these data.

Documentation

User Guide

ICESat-2 L4 Monthly Gridded Sea Ice Thickness, Version 1 User Guide

General Resources

Sea Ice Thickness Products (IS2SITDAT4, IS2SITMOGR4) Known Issues, updated 21 Dec 2023

Help Articles

General Questions & FAQs

When will the legacy, on-premises archive be retired?

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