• On Wednesday, October 5, from 9 a.m. to 12 p.m. (Mountain Time), the following data collections may not be available due to planned system maintenance: AMSR Unified, AMSR-E, Aquarius, High Mountain Asia, IceBridge, ICESat/GLAS, ICESat-2, LVIS, MEaSUREs, MODIS, SMAP, SnowEx, SSM/I-SSMIS and VIIRS.

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

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.
Data Contributor(s):
  • Kenneth
    Knowles
  • Mary
    Brodzik
  • Richard
    Armstrong
  • Eni
    Njoku
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 Coverage:
N:
90
S:
-90
E:
180
W:
-180

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:
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Data Access Tool

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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:
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NASA Earthdata Search

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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:
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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:
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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.
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