Solar radiation enters the Earth's atmosphere with a portion being scattered by clouds and aerosols.

Processing, archiving and distributing Earth science data
at the NASA Langley Research Center


RSS Feeds - news, announcements, maintenance.

DAAC Updates


CALIPSO IIR V4.20 L2 Product Release Announcement

Thursday, April 30, 2020
The Atmospheric Science Data Center (ASDC) at NASA Langley Research Center in collaboration with the CALIPSO mission team announces the release of a new version of the CALIPSO IIR level 2 Track and Swath products.


The New Earthdata Forum Has Answers

Tuesday, March 3, 2020

The new Earthdata Forum provides a central location where data users can interact with subject matter experts from multiple DAACs to discuss general questions about research needs and data applications, and receive help on specific queries about acc

User Profile: Dr. Emily Fischer

Thursday, February 27, 2020

Our atmosphere is a chemical soup that is constantly sampled by orbiting Earth observing satellites.
Dr. Emily Fischer uses these data to better understand how pollutants move in the lower atmosphere.


Earthdata Forum Virtual Launch

Wednesday, February 19, 2020

You are invited to the official launch of the new Earthdata User Forum on Tuesday, February 25, 2020 at 11AM for a demonstration.

MOPITT V7 Product Discontinuance

Monday, December 30, 2019

With the recent release of the MOPITT Version 8 Level 2 and Level 3 products, the MOPITT team expects to discontinue production of Version 7 products after their annual calibration event in March 2020.