• NSIDC DAAC is currently upgrading our data ingest process for NASA Earthdata Cloud. During this transition, users may notice temporary interruptions in data availability or notice small data gaps. All gaps will be resolved as quickly as possible. During this upgrade jpeg browse imagery will also not be available for preview in Earthdata search. Please reach out to NSIDC User Services with any questions or concerns.

Pre-IceBridge ATM L2 Icessn Elevation, Slope, and Roughness, Version 1
Data set id:
BLATM2
DOI: 10.5067/6C6WA3R918HJ
This is the most recent version of these data.
Version Summary
Initial release
In this section
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Overview

This data set contains resampled and smoothed elevation measurements of Arctic and Antarctic sea ice, as well as Greenland, Arctic, Patagonia, and Antarctic region land ice surface acquired using the NASA Airborne Topographic Mapper (ATM) instrumentation.
Parameter(s):
GLACIER ELEVATION/ICE SHEET ELEVATION
Platform(s):
DHC-6
P-3A
P-3A ORION
P-3B
Sensor(s):
ATM
Data Format(s):
ASCII
Temporal Coverage:
  • 23 June 1993 to 30 October 2008
Temporal Resolution:
  • Varies
Spatial Resolution:
  • varies
  • varies
Spatial Reference System(s):
  • WGS 84
    EPSG:4326
Spatial Coverage:
  • N:
    -46
    S:
    -90
    E:
    180
    W:
    -180
  • N:
    90
    S:
    60
    E:
    180
    W:
    -180
Blue outlined 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.
Related Help Resources
NASA Earthdata Cloud Data Access Guide
Type:
service

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.
Related Help Resources
How to filter and order from a data set web page
How to use Earthdata Download
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.
Related Help Resources
How to search, order, and customize data with NASA Earthdata Search
Type: Web Application

earthaccess

Get Data
Search & Discover
earthaccess is a python library to search and access NASA Earth science data with just a few lines of code.
Supported software languages:
Python
Related Help Resources
GitHub Repository
Type: Downloadable Software
Last updated:
View Metadata

NASA Earthdata Cloud (AWS S3)

Get Data
Access data directly from the NASA Earthdata Cloud via Amazon Web Services Simple Storage Service (AWS S3). This access option is only available when working within the us-west-2 region and requires additional AWS S3 credentials.
Related Help Resources
NASA Earthdata Cloud Data Access Guide
AWS S3 Credentials
Type:
service
View Metadata

Documentation

Help Articles

General Questions & FAQs

FAQs About NSIDC DAAC's Earthdata Cloud Migration
This article covers frequently asked questions about the NASA NSIDC DAAC's Earthdata cloud migration project and what it means to data users.
Read More

How to Articles

Filter and order from a data set web page using the Data Access Tool
Many NSIDC DAAC data sets can be accessed using 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