1. AGU Members
  2. Chris J. Mertens
  3. Research
Member Since 1997
Chris J. Mertens
Senior Research Physicist , NASA Langley Research Center
View Full Profile
AGU Research
Search
Filters
Clear All
Global Thermospheric Infrared Response to the Mother's Day Weekend Extreme Storm of 2024
GEOPHYSICAL RESEARCH LETTERS
08 august 2024
Martin G. Mlynczak, Linda A. Hunt, Benjamin T. Mar...

Earth experienced the strongest geomagnetic storm in 20 years over 10–13 May 2024. The Ap and Dst geomagnetic indices were 273 and ͨ...

View Publication
Energy Conservation in the Cooling and Contracting Upper Mesosphere and Lower Thermosphere
GEOPHYSICAL RESEARCH LETTERS
19 july 2024
Martin G. Mlynczak, Rolando R. Garcia, Linda A. Hu...

Time series of radiative cooling of the upper mesosphere and lower thermosphere (UMLT) by carbon dioxide (CO2) are examined for evidence of trends ...

View Publication
Infrared Radiation in the Thermosphere From 2002 to 2023
GEOPHYSICAL RESEARCH LETTERS
18 july 2024
Martin G. Mlynczak, Linda A. Hunt, Benjamin T. Mar...

Twenty‐two years (2002–2023) of infrared radiative cooling rate data derived from the SABER instrument on the NASA TIMED satellite are ...

View Publication
Characterization of Radiation Exposure at Aviation Flight Altitudes Using the Nowcast of Aerospace Ionizing Radiation System (NAIRAS)
SPACE WEATHER
23 april 2024
Daniel B. Phoenix, Guillaume Gronoff, Christopher ...

Exposure to ionizing radiation from galactic cosmic rays (GCR) and solar energetic particles (SEP) at aircraft flight altitudes can have an adverse...

View Publication
Periodicities observed in the solar and geomagnetic indexes and in SABER thermospheric infrared power measurements.
COMPOSITION, WIND, AND TEMPERATURE VARIABILITY IN THE MESOSPHERE AND IONOSPHERE/THERMOSPHERE II ORAL
spa-aeronomy | 13 december 2023
Nabil Nowak, Martin G. Mlynczak, Linda A. Hunt, Be...
The F10.7 cm solar radio flux is an excellent indicator of solar variability whereas the Ap index is commonly used to examine the geomagnetic activity...
View Abstract
Comparison of the Nowcast of Aerospace Ionizing Radiation System (NAIRAS) with ISS measurements
SPACE WEATHER COLLABORATION, COOPERATION, AND COORDINATION I POSTER
spa-solar and heliospheric physics | 12 december 2023
Daniel B. Phoenix, Guillaume Gronoff, Christopher ...
The Nowcast of Aerospace Ionizing Radiation System (NAIRAS) is a sophisticated physics-based model that has been providing real-time global prediction...
View Abstract
Sounding of the Atmosphere Using Broadband Emission Radiometry (SABER): Instrument and Science Measurement Description
EARTH AND SPACE SCIENCE
11 september 2023
R Esplin, Martin G. Mlynczak, James Russell, Larry...

SABER (Sounding of the Atmosphere using Broadband Emission Radiometry) is a 10‐channel infrared radiometer that is one of four instruments on...

View Publication
NAIRAS Model Run‐On‐Request Service at CCMC
SPACE WEATHER
27 april 2023
Christopher J. Mertens, Guillaume Gronoff, Yihua Z...

The Nowcast of Aerospace Ionizing RAdiation System (NAIRAS) version 3 model is available to the community through the Community Coordinated Modelin...

View Publication