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Aerosol and Cloud Experiments in the Eastern North Atlantic (ACE-ENA)

Journal Article · · Bulletin of the American Meteorological Society
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  1. Washington Univ., St. Louis, MO (United States); Brookhaven National Lab. (BNL), Upton, NY (United States); Washington University in St. Louis
  2. Univ. of Washington, Seattle, WA (United States)
  3. Brookhaven National Lab. (BNL), Upton, NY (United States)
  4. Colorado State Univ., Fort Collins, CO (United States)
  5. Stony Brook Univ., NY (United States)
  6. Stony Brook Univ., NY (United States); Brookhaven National Lab. (BNL), Upton, NY (United States)
  7. Purdue Univ., West Lafayette, IN (United States)
  8. Texas A & M Univ., College Station, TX (United States)
  9. Nanjing Univ. of Information Science & Technology (China)
  10. Univ. of Kansas, Lawrence, KS (United States)
  11. Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
  12. Univ. of North Dakota, Grand Forks, ND (United States)
  13. Washington Univ., St. Louis, MO (United States); Missouri Univ. of Science and Technology, Rolla, MO (United States)
  14. Yonsei Univ., Seoul (Korea)
  15. Washington Univ., St. Louis, MO (United States)
  16. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  17. Univ. of Azores, Angra do Heroísmo (Portugal)
  18. Univ. of Quebec, Montreal (Canada)
  19. Univ. of Arizona, Tucson, AZ (United States)
  20. Argonne National Lab. (ANL), Argonne, IL (United States)
  21. Rutgers Univ., New Brunswick, NJ (United States)
  22. Sonoma Technology Inc., Petaluma, CA (United States)
  23. Michigan Technological Univ., Houghton, MI (United States)
  24. Pacific Northwest National Lab. (PNNL), Richland, WA (United States); The Ohio State Univ., Columbus, OH (United States)
  25. Georgia Inst. of Technology, Atlanta, GA (United States)
  26. Yonsei Univ., Seoul (Korea); Michigan Technological Univ., Houghton, MI (United States)
  27. Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Brookhaven National Lab. (BNL), Upton, NY (United States)
  28. Univ. of Maryland Baltimore County (UMBC), Baltimore, MD (United States)
+ Show Author Affiliations
With their extensive coverage, marine low clouds greatly impact global climate. Presently, marine low clouds are poorly represented in global climate models, and the response of marine low clouds to changes in atmospheric greenhouse gases and aerosols remains the major source of uncertainty in climate simulations. The Eastern North Atlantic (ENA) is a region of persistent but diverse subtropical marine boundary layer clouds, whose albedo and precipitation are highly susceptible to perturbations in aerosol properties. In addition, the ENA is periodically impacted by continental aerosols, making it an excellent location to study the cloud condensation nuclei (CCN) budget in a remote marine region periodically perturbed by anthropogenic emissions, and to investigate the impacts of long-range transport of aerosols on remote marine clouds. The Aerosol and Cloud Experiments in Eastern North Atlantic (ACE-ENA) campaign was motivated by the need of comprehensive in-situ measurements for improving the understanding of marine boundary layer CCN budget, cloud and drizzle microphysics, and the impact of aerosol on marine low cloud and precipitation. The airborne deployments took place from June 21 to July 20, 2017 and January 15 to February 18, 2018 in the Azores. The flights were designed to maximize the synergy between in-situ airborne measurements and ongoing long-term observations at a ground site. Here we present measurements, observation strategy, meteorological conditions during the campaign, and preliminary findings. Lastly, we discuss future analyses and modeling studies that improve the understanding and representation of marine boundary layer aerosols, clouds, precipitation, and the interactions among them.
Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States); Pacific Northwest National Lab. (PNNL), Richland, WA (United States). Environmental Molecular Sciences Lab. (EMSL); Washington Univ., St. Louis, MO (United States)
Sponsoring Organization:
Air Force of Portugal; Autonomous Region of the Azores; Korea Meteorological Administration Research and Development Program; Minister of Science of Portugal; National Natural Science Foundation of China (NSFC); National Science Foundation (NSF); USDOE Office of Science (SC), Basic Energy Sciences (BES). Scientific User Facilities Division; USDOE Office of Science (SC), Biological and Environmental Research (BER); USDOE Office of Science (SC), Biological and Environmental Research (BER). Earth and Environmental Systems Science Division; USDOE Office of Science Atmospheric Radiation Measurement (ARM) Program
Grant/Contract Number:
AC02-06CH11357; SC0012704; SC0016370; SC0016522; SC0018948; SC0020053; SC0020259; SC0021167
OSTI ID:
1837834
Alternate ID(s):
OSTI ID: 1875469
OSTI ID: 1960370
Report Number(s):
BNL-223105-2022-JAAM
Journal Information:
Bulletin of the American Meteorological Society, Journal Name: Bulletin of the American Meteorological Society Journal Issue: 2 Vol. 103; ISSN 0003-0007
Publisher:
American Meteorological SocietyCopyright Statement
Country of Publication:
United States
Language:
English

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Aerosol and Cloud Experiments in the Eastern North Atlantic (ACE-ENA)
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Related Subjects

54 ENVIRONMENTAL SCIENCES
North Atlantic Ocean
aerosols
aircraft observations
atmosphere
cloud retrieval
clouds