• For a list of known issues with this product, see the Known Issues document under the Documentation section of the page.

  • Version 4 of this data set will be retired from the NSIDC DAAC in March 2024. Upon retirement, data will no longer be accessible. All related documentation will remain available on the data set web page for future reference.

ATLAS/ICESat-2 L3B Monthly Gridded Atmosphere, Version 4
Data set id:
ATL17
DOI: 10.5067/ATLAS/ATL17.004
There is a more recent version of these data.
Version Summary
This version update includes a series of additional parameters and data groups. See the user guide section on version history for details.

Overview

This data set contains a gridded summary of monthly global cloud fraction, total column optical depth over the oceans, polar cloud fraction, blowing snow frequency, apparent surface reflectivity, and ground detection frequency.
Parameter(s):
AEROSOL FRACTIONAPPARENT SURFACE REFLECTIVITYBLOWING SNOWCLOUD FRACTIONCLOUD OPTICAL DEPTH/THICKNESS
Platform(s):
ICESat-2
Sensor(s):
ATLAS
Data Format(s):
HDF5
Temporal Coverage:
13 October 2018 to present
Temporal Resolution:
  • 1 month
Spatial Resolution:
  • 1 degree
  • 1 degree
Spatial Coverage:
N:
90
S:
-90
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

Help Articles

General Questions & FAQs

This article covers frequently asked questions about the NASA NSIDC DAAC's Earthdata cloud migration project and what it means to data users.
This short article describes the customization services available for ICESat-2 data using Earthdata Search.

How to Articles

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
This guide will provide an overview of the altimetry measurements and data sets across the missions, as well as a guide for accessing the data through NASA Earthdata Search and programmatically using an Application Programming Interface (API).
The NASA Earthdata Cloud is the NASA cloud-based archive of Earth observations. It is hosted by Amazon Web Services (AWS). Learn how to find and access NSIDC DAAC data directly in the cloud.
All data from the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) can be accessed directly from our HTTPS file system, using wget or curl. Basic command line instructions are provided in the article below.