• "Stage for Delivery" orders in NASA's Earthdata Search will be disabled between Tuesday, May 30, 6 pm (US Mountain Time) and Thursday, June 1, 7 am (US Mountain Time) for planned system maintenance. During this period, users will not be able to request data using this access method. All other download methods will remain available (except during the NSIDC DAAC scheduled downtime).

  •  On Wednesday, May 31st from 7:30 a.m. to 10:30 a.m. (US Mountain Time), the following data collections may not be available due to planned system maintenance: ASO, AMSR Unified, AMSR-E, Aquarius, High Mountain Asia, IceBridge, ICESat/GLAS, ICESat-2, LVIS, MEaSUREs, MODIS, Nimbus, SMAP, SnowEx, SSM/I-SSMIS and VIIRS.

Nimbus-7 SMMR Pathfinder Daily EASE-Grid Brightness Temperatures, Version 1 (NSIDC-0071)
Data set:
NSIDC-0071
This is the most recent version of these data.
Version Summary
Initial release
In this section
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Overview

This data set consists of brightness temperatures acquired from the Scanning Multichannel Microwave Radiometer (SMMR) on board the Nimbus-7 Pathfinder satellite. The brightness temperatures are gridded onto the Equal-Area Scalable Earth Grid (EASE-Grid) and are presented in three different projections: Northern Hemisphere, Southern Hemisphere, and global.
Parameter(s):
BRIGHTNESS TEMPERATURE
Platform(s):
Nimbus-7
Sensor(s):
SMMR
Data Format(s):
Binary
Temporal Coverage:
25 October 1978 to 20 August 1987
Temporal Resolution:
1 day
Spatial Resolution:
25 km
25 km
Spatial Reference System(s):
NSIDC EASE-Grid North
EPSG:3408

NSIDC EASE-Grid South
EPSG:3409

NSIDC EASE-Grid Global
EPSG:3410
Spatial Coverage:
N:
90
S:
-90
E:
180
W:
-180
Yellow areas on the map below indicate the spatial coverage for this data set.

Data Access & Tools

A free NASA Earthdata Login account is required to access these data. Learn More

HTTPS File System

Get Data
Quickly download a few files using a web browser, or access data through a command-line utility such as WGET.
Programmatic Data Access Guide
Type:
service
Last updated:
View Metadata

Data Access Tool

Search & Discover
Get Data
Filter files before downloading based on date, spatial area, or file name. Choose from various download options, such as Python script. Export bounding boxes as a GeoJSON.
Filter and order from a data set web page
Type: Web Application
Last updated:
View Metadata

NASA Earthdata Search

Visualize
Search & Discover
Get Data
Search and order data from all NASA DAACs using spatial and temporal filters in a map interface. Reformatting, reprojecting, and subsetting options are available for some data sets.
How to search, order, and customize data with NASA Earthdata Search
Type: Web Application

Bulk Programmatic Data Access Service

Get Data
Programmatically request selected data products through NSIDC's API. Bulk download using spatial and temporal filters, or incorporate data access commands into code/scripts as needed.
Programmatic Data Access Guide
Type:
service
Last updated:
View Metadata

EASE-Grid Data Geolocation Tools

Analyze
Geolocate and display EASE-Grid and EASE-Grid 2.0 data sets with IDL software.
Supported software languages:
IDL
Does NSIDC have tools for geolocating and displaying EASE-Grid data sets?
Type: Downloadable Software
Last updated:
View Metadata

Documentation

Help Articles

How To

Filter and order from a data set web page using the Data Access Tool
Many NSIDC DAAC data sets can be accessed using the NSIDC DAAC's Data Access Tool. This tool provides the ability to search and filter data with spatial and temporal constraints using a map-based interface. Users have the option to
Read More
How do I import passive microwave EASE-Grid brightness temperature data into ArcGIS?
This article describes how to import passive microwave EASE-Grid brightness temperature data into ArcGIS.
Read More
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