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Comparison of In-Situ Measurements from NASA Airborne Campaigns

DLR Falcon and NASA DC-8 aircrafts

Left: The DLR Falcon used for the SALTRACE 2013 and the A-LIFE 2017 campaigns. Right: The NASA DC-8 aircraft used during the ATom missions sitting at the Pago Pago International Airport, American Samoa.

A new dataset from the Atmospheric Tomography Mission (ATom) compares airflow and aerosol particles.

Reanalyzed Atmospheric Particulate Iodine Concentrations

Map of flight lines to measure particulate iodine.

Particulate iodine measured along flight paths in ATom1 and ATom2. Image by J.L. Jimenez

Reanalysis of initial High-Resolution Aerosol Mass Spectrometer measurements of global oceanic coverage of particulate iodine are now available.

THREDDS NetCDF Subsetting Service Bug Fixed

Unidata TDS

Unidata's THREDDS Data Server (TDS) is a web server that provides metadata and data access for scientific datasets, using a variety of remote data access protocols.

A bug has been fixed in the THREDDS Data Server (TDS) NetCDF Subsetting Service (NCSS) that may, in rare cases, have returned incorrect results.

ATom Compiles Flask Data from 2009 to 2018

Map and graph of airborne flask sample locations.

Horizontal (left) and vertical (right) distribution of airborne flask sample locations identified as being of stratospheric origin. Thin dashed black lines on the map illustrate the flight tracks of all 9 campaigns of the 3 airborne projects. Symbols indicate the campaigns during which the stratospheric samples were collected, and colors show the potential temperature at which the sample was taken.

A new dataset from the Atmospheric Tomography Mission compiles measurements of mean age of air.

Soluble Acidic Gases and Aerosols (SAGA) Instrument Data

Instrument: Soluble Acidic Gases and Aerosols (SAGA).

The SAGA installation onboard the DC-8 - AFRC aircraft.

Soluble ion measurements are available from the Atmospheric Tomography Mission (ATom).