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Description

This global Level-3 (L3) data set provides daily daytime sea ice extent and ice surface temperature derived from the 'MODIS/Aqua Sea Ice Extent 5-Min L2 Swath 1km' (https://doi.org/10.5067/MODIS/MYD29.061) product. Each data granule is a tile consisting of 10° x 10° of data gridded to the Lambert Azimuthal Equal Area Scalable Earth Grid (EASE-Grid).

The terms "Version 61" and "Collection 6.1" are used interchangeably in reference to this release of MODIS data.

Version Description

This C61 product is identical in format to the C6 version and the C61 reprocessing does not contain any change to the science algorithm used to generate this product. Any improvement or change in the C61 product compared to the C6 product is from changes and enhancements to the calibration approach used to generate the input products and changes to the polarization correction used in this collection reprocessing.

Product Summary

Platforms
Aqua
Instruments
MODIS
Spatial Extent

N: 90 S: -90 E: 180 W: -180

Spatial Resolution
1 Kilometers x 1 Kilometers
Spatial Reference System(s)
Multiple EPSG codes (see User Guide)
Location
GLOBAL OCEAN
Coordinate System
CARTESIAN
Granule Spatial Representation
GEODETIC
Temporal Extent
2002-07-04 to Present
Temporal Resolution
1 Day
Concept ID
C3105062148-NSIDC_CPRD
Data State
ACTIVE
Number of Files/Granules
1776841
Processing Level
3
Published
Science Keywords
Ice Extent ,
Ice Temperature

Citation

Citation is critically important for dataset documentation and discovery. This dataset is openly shared, without restriction, in accordance with the EOSDIS Data Use and Citation Guidance.

Copy Citation

Hall, D., & Riggs, G. (2021). MODIS/Aqua Sea Ice Extent Daily L3 Global 1km EASE-Grid Day, Version 61 [Dataset]. NASA National Snow and Ice Data Center Distributed Active Archive Center. https://doi.org/10.5067/MODIS/MYD29P1D.061 Date Accessed: 2026-09-22

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Publications Citing This Dataset

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Title Year Author Topic
Variability of Sea Ice from 2008 to 2019 in the Bohai and Northern Huanghai Sea, China and the Relationship with Climatic Factors Gong, Shaoqi, Chen, Wenqian, Zhang, Cunjie, Yan, Qingyun, Yang, Hong Ice Roughness, Ice Roughness, Reflectance, Sea Ice Elevation, Sea Ice Elevation, Sea Ice Concentration, Ice Extent, Ice Temperature, Sea Ice
Validation of Advanced Method for Sea ICE Concentration Retrieval from the AMSR2 Measurements at 89 GHZ Margarita, Zhivotovskaia, Elizaveta, Zabolotskikh, Ekaterina, Balashova, Chapron, Bertrand Ice Extent, Ice Temperature
Validation of Sentinel-1-derived sea ice cover data in the Arctic Zhang, Qiang, Guo, Shibo, Sun, Yan, Dou, JianPing, Li, Xiao-Ming Ice Extent, Ice Temperature
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