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

  • Data from 13 November 2022 to 26 October 2023 in Version 6 of ATL03, ATL04, and their derived products will be reprocessed to ITRF2014. See the Data Announcement for details.

ATLAS/ICESat-2 L3B Monthly Gridded Atmosphere, Version 5
Data set id:
ATL17
DOI: 10.5067/ATLAS/ATL17.005
This is the most recent version of these data.
Version Summary
-Added new gridded data parameter called South Polar Diamond Dust Frequency, associated image, and supporting statistical vector parameters
-Added new North Polar Apparent Surface Reflectance Cloud Fraction gridded data parameter, associated image, and supporting North Polar Apparent Surface Reflectance Cloud Fraction statistical vector parameters
-Added new South Polar Apparent Surface Reflectance Cloud Fraction gridded data parameter, associated image, and supporting South Polar Apparent Surface Reflectance Cloud Fraction statistical vector parameters
-Added new Global Apparent Surface Reflectance Cloud Fraction gridded data parameter, associated image, and supporting Global Apparent Surface Reflectance Cloud Fraction statistical vector parameters
-Implemented filtering of laser shots with a surface incidence angle greater than six degrees for Expanded Global Total Column Optical Depth, Global Apparent Surface Reflectance, Global Total Column Optical Depth, North Polar Apparent Surface Reflectance, and South Polar Apparent Surface Reflectance

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):
CLOUD 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 Reference System(s):
WGS 84
EPSG:4326
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.