MethaneAIR: Airborne Imaging Spectrometer Level 2 Ungridded Data
MethaneAIR (“MAIR”) is a dual imaging spectrometer observing reflected sunlight at 1.65 µm (CH4 and CO2) and 1.27 µm. It measures absorption spectra with high spectral resolution, fine spatial resolution, wide swath, and high signal-to-noise ratio, enabling high-contrast, fine-grained images of CH4 column mean dry mole fraction. MAIR duplicates the spectroscopy of the upcoming MethaneSAT satellite (“MSAT”, launch Q1 2023). Development of the MAIR sensor and associated retrieval algorithms was supported by MethaneSAT LLC (a subsidiary of the Environmental Defense Fund).
In 2019, NSF supported science demonstration flights of MAIR with an EAGER grant, carried out in August 2021 on the NCAR Gulfstream V. Two engineering test flights in Nov. 2019 (TF01, TF02) were successful, but the flight series was terminated due to avionics failures on the GV. The series was rescheduled for March 2020, but the US shut down that month due to COVID-19. Flights rescheduled for June 2021 were pushed to late July/August of 2021 to accommodate another mission that had been displaced by unavailability of the C-130. After a short test flight (TF03), research flights RF04-RF09 targeted oil and gas infrastructure in Texas, New Mexico, and North Dakota. There were also 21 flight segments on RF04 and RF05 to compare emission rates of methane derived from MethaneAIR data to controlled releases carried out near Odesa, TX, by the Stanford group of Adam Brandt.
Engineering test flight TF10 was carried out at the end of the flight series. The spectrometer was
inverted to view the upward-looking port of the G-V, recording the spatial pattern of airglow in
the 1.27 µm band.
This is a large dataset. Please only order the flights needed. See the readme for more information.
- ORDER data for delivery by FTP
|Subscribe||Subscribe to receive email when new or updated data is available.|
|GCMD Science Keywords||
|Begin datetime||2021-07-30 00:00:00|
|End datetime||2021-08-13 23:59:59|
Map data from IBCSO, IBCAO, and Global Topography.
Maximum (North) Latitude:
Minimum (South) Latitude:
Minimum (West) Longitude: -112.0456, Maximum (East) Longitude: -91.28174
Primary point of contact information
EOL Data Support <firstname.lastname@example.org>
Additional contact information
- author: Christopher Chan Miller <email@example.com>
- author: Jonathan E. Franklin <firstname.lastname@example.org>
- author: Sébastien Roche <email@example.com>
- author: Jonas S. Wilzewski <firstname.lastname@example.org>
- author: Kang Sun <email@example.com>
- author: Xiong Liu <firstname.lastname@example.org>
- author: Kelly Chance <email@example.com>
- author: Amir H. Souri <firstname.lastname@example.org>
- author: Eamon Conway <email@example.com>
- author: Jenna Samra <firstname.lastname@example.org>
- author: Jacob Hawthorne <email@example.com>
- author: Carly Staebell <firstname.lastname@example.org>
- author: Apisada (Ju) Chulakadabba <email@example.com>
- author: Maryann Sargent <firstname.lastname@example.org>
- author: Joshua S. Benmergui <email@example.com>
- author: Bruce C. Daube <firstname.lastname@example.org>
- author: Yang Li <Yang_Li3@baylor.geu>
- author: Josh Laughner <email@example.com>
- author: Steven C. Wofsy <firstname.lastname@example.org> Show 16 more...
CitationExample citation following ESIP guidelines:
Miller, C., et al. 2023. MethaneAIR: Airborne Imaging Spectrometer Level 2 Ungridded Data. Version 1.0. UCAR/NCAR - Earth Observing Laboratory. https://doi.org/10.26023/J2CB-E2RX-J700. Accessed 30 May 2023.
Today's date is shown: please replace with the date of your most recent access.
Additional citation styles
The citation text below is from the DataCite Content Resolver service and may take a few seconds to load. The styles and locales are obtained from CrossCite, which also provides a citation formatter. See ReFindit for another alternative. Formatting is not perfect: please verify and edit before use. Today's date is shown: please replace with the date of your most recent access.
Note that your browser may not display the above metadata links, but automatically save them as files in a folder such as "