The NSIDC DAAC is retiring access to its legacy, on-premises data archive and transitioning to the NASA Earthdata Cloud as the primary data archive. View planned retirement dates here.

SMMR and SSM/I-SSMIS

Passive microwave data from 1978 to present

Documentation

User Guide

Near-Real-Time DMSP SSM/I-SSMIS Daily Polar Gridded Brightness Temperatures, Version 2

Sea Ice Concentrations from Nimbus-7 SMMR and DMSP SSM/I-SSMIS Passive Microwave Data, Version 2

General Resources

An Improved Land Mask for the SSM/I Grid - NASA-TM-104625

Ancillary Data for EASE/EASE 2.0 Grids

Assessing the Potential of Enhanced Resolution Gridded Passive Microwave Brightness Temperatures for Retrieval of Sea Ice Parameters

Measuring Sea Ice Motion from Various Sources

NASA Technical Memorandum 104647

Regional variability of Arctic sea ice seasonal change climate indicators from a passive microwave climate data record

Temporal Means and Variability of Arctic Sea Ice Melt and Freeze Season Climate Indicators Using a Satellite Climate Data Record

NSIDC Special Reports

Special Report 03: Intercomparison of Resampling Methods for SMMR Pathfinder in EASE-Grid

Quality Assessment Reports

Comparison of F17 and F18 Daily Polar Gridded SSMIS Data

Sensor and Instrument Information

SMMR, SSM/I, and SSMIS Sensors Summary