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Location: | Cirrus Regional Study of Tropical Anvils and Cirrus Layers - Florida Area Cirrus Experiment (CRYSTAL – FACE)
NASA, ONR, NSF, DOE, NOAA, NPOESS
June – August, 2002
Key West Naval Air Station, Florida, USA |
| CRYSTAL-FACE aims at understanding the role of deep convection in forming high altitude cirrus, and their role in influencing Earth's energy budget. The first field mission is planned for summer 2002. Brian Toon, Jamison Smith, Peter Colarco, and Brandy Gamblin comprise the mission anvil modeling team. They will be travel to the Florida where state-of-the-art instruments aboard six aircraft will measure cloud characteristics and determine how clouds alter the atmosphere's temperature. |
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Location: | SAGE III Ozone Loss and Validation Experiment ( SOLVE)
NASA, European Commission
December 1999 - March 2000
Kiruna, Sweden |
| The SAGE III Ozone Loss and Validation Experiment (SOLVE) is a measurement campaign designed to examine the processes controlling ozone levels at mid- to high latitudes. Measurements will be made in the Arctic high-latitude region in winter using the NASA DC-8 and ER-2 aircraft, as well as balloon platforms and ground-based instruments. The mission will also acquire correlative data needed to validate the Stratospheric Aerosol and Gas Experiment (SAGE) III satellite measurements that will be used to quantitatively assess high-latitude ozone loss. SOLVE is co-sponsored by the Upper Atmosphere Research Program (UARP), Atmospheric Effects of Aviation Project (AEAP), Atmospheric Chemistry Modeling and Analysis Program (ACMAP), and Earth Observing System (EOS) of NASA's Earth Science Enterprise (ESE) as part of the validation program for the SAGE III instrument. |
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Location: | SUbsonic aircraft: Contrail & Cloud Effects Special Study ( SUCCESS)
NASA, DOE, NSF, NOAA
April - May, 1996
Northern Oklahoma, southern Kansas, US Rocky Mountains, and the Gulf of Mexico |
| Brian Toon was the project scientist and subsequently edited a special issue of Geophysical Research Letters for this NASA mission. SUCCESS is a NASA field program using scientifically instrumented aircraft and ground based measurements to investigate the effects of subsonic aircraft on contrails, cirrus clouds and atmospheric chemistry. We plan to better determine the radiative properties of cirrus clouds and of contrails so that satellite observations can better determine their impact on Earth's radiation budget. We hope to determine how cirrus clouds form, whether the exhaust from subsonic aircraft presently affects the formation of cirrus clouds, and if the exhaust does affect the clouds whether the changes induced are of climatological significance. We seek to pave the way for future studies by developing and testing several new instruments. We also plan to better determine the characteristics of gaseous and particulate exhaust products from subsonic aircraft and their evolution in the region near the aircraft. |
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