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ACP - Special IssueVAMOS Ocean-Cloud-Atmosphere-Land Study (VOCALS) Editor(s): C. R. Mechoso, B. Albrecht, H. Coe, C. Fairall, G. Feingold, R. Garreaud, A. Hall, R. Weller, R. Wood, C. Twohy, and M. Alonso BalmasedaSpecial Issue jointly organized between Atmospheric Chemistry and Physics and Ocean Science More Information The VAMOS Ocean-Cloud-Atmosphere-Land Study (VOCALS) is an international CLIVAR/VAMOS program designed to develop and promote scientific activities leading to improved understanding, model simulations, and predictions of the southeastern Pacific (SEP) coupled ocean-atmosphere-land system, on diurnal to interannual timescales. The major components of VOCALS are a modeling program with a model hierarchy ranging from the local to global scales, a major international field program (The VOCALS Regional Experiment, VOCALS-REx), and a suite of extended observations from regular research cruises, instrumented moorings, and satellites. The combination of intensive field measurements, long-term observations, and modeling will provide important insights that will directly benefit climate modeling. Some 200 scientists from 40 institutions in 8 nations are currently participating in VOCALS. Details of the three main components of VOCALS are given below.
The SEP climate is a tightly coupled system involving poorly understood interactions between clouds, aerosols, marine boundary layer (MBL) processes, upper ocean dynamics and thermodynamics, coastal currents and upwelling, large-scale subsidence, and regional diurnal circulations, to the west of the Andes mountain range.
Further information on VOCALS can be found on the program website http://www.eol.ucar.edu/projects/vocals. Download citations of all papers: Constraining the concentration of the hydroxyl radical in a stratocumulus-topped marine boundary layer from sea-to-air eddy covariance flux measurements of dimethylsulfide M. Yang, B. W. Blomquist, and B. J. Huebert Atmos. Chem. Phys., 9, 9225-9236, 2009 Abstract Final Revised Paper (PDF, 1018 KB) Discussion Paper (ACPD)
| | 07 Dec 2009 | Subseasonal variability of low cloud radiative properties over the southeast Pacific Ocean R. C. George and R. Wood Atmos. Chem. Phys., 10, 4047-4063, 2010 Abstract Final Revised Paper (PDF, 2683 KB) Discussion Paper (ACPD)
| | 29 Apr 2010 | Marine boundary layer over the subtropical southeast Pacific during VOCALS-REx – Part 1: Mean structure and diurnal cycle D. A. Rahn and R. Garreaud Atmos. Chem. Phys., 10, 4491-4506, 2010 Abstract Final Revised Paper (PDF, 5767 KB) Discussion Paper (ACPD)
| | 18 May 2010 | Marine boundary layer over the subtropical southeast Pacific during VOCALS-REx – Part 2: Synoptic variability D. A. Rahn and R. Garreaud Atmos. Chem. Phys., 10, 4507-4519, 2010 Abstract Final Revised Paper (PDF, 5279 KB) Discussion Paper (ACPD)
| | 18 May 2010 | The PreVOCA experiment: modeling the lower troposphere in the Southeast Pacific M. C. Wyant, R. Wood, C. S. Bretherton, C. R. Mechoso, J. Bacmeister, M. A. Balmaseda, B. Barrett, F. Codron, P. Earnshaw, J. Fast, C. Hannay, J. W. Kaiser, H. Kitagawa, S. A. Klein, M. Köhler, J. Manganello, H.-L. Pan, F. Sun, S. Wang, and Y. Wang Atmos. Chem. Phys., 10, 4757-4774, 2010 Abstract Final Revised Paper (PDF, 2480 KB) Discussion Paper (ACPD)
| | 26 May 2010 | Microphysical variability in southeast Pacific Stratocumulus clouds: synoptic conditions and radiative response D. Painemal and P. Zuidema Atmos. Chem. Phys., 10, 6255-6269, 2010 Abstract Final Revised Paper (PDF, 2385 KB) Discussion Paper (ACPD)
| | 09 Jul 2010 | Modelling microphysical and meteorological controls on precipitation and cloud cellular structures in Southeast Pacific stratocumulus H. Wang, G. Feingold, R. Wood, and J. Kazil Atmos. Chem. Phys., 10, 6347-6362, 2010 Abstract Final Revised Paper (PDF, 8442 KB) Discussion Paper (ACPD)
| | 13 Jul 2010 | A comparison of ship and satellite measurements of cloud properties with global climate model simulations in the southeast Pacific stratus deck M. A. Brunke, S. P. de Szoeke, P. Zuidema, and X. Zeng Atmos. Chem. Phys., 10, 6527-6536, 2010 Abstract Final Revised Paper (PDF, 512 KB) Discussion Paper (ACPD)
| | 16 Jul 2010 | Evaluation of stratocumulus cloud prediction in the Met Office forecast model during VOCALS-REx S. J. Abel, D. N. Walters, and G. Allen Atmos. Chem. Phys., 10, 10541-10559, 2010 Abstract Final Revised Paper (PDF, 1815 KB) Discussion Paper (ACPD)
| | 10 Nov 2010 | Southeast Pacific stratocumulus clouds, precipitation and boundary layer structure sampled along 20° S during VOCALS-REx C. S. Bretherton, R. Wood, R. C. George, D. Leon, G. Allen, and X. Zheng Atmos. Chem. Phys., 10, 10639-10654, 2010 Abstract Final Revised Paper (PDF, 2027 KB) Discussion Paper (ACPD)
| | 12 Nov 2010 | Source attribution of climatically important aerosol properties measured at Paposo (Chile) during VOCALS D. Chand, D. A. Hegg, R. Wood, G. E. Shaw, D. Wallace, and D. S. Covert Atmos. Chem. Phys., 10, 10789-10801, 2010 Abstract Final Revised Paper (PDF, 1916 KB) Discussion Paper (ACPD)
| | 18 Nov 2010 | Ship-based detection of glyoxal over the remote tropical Pacific Ocean R. Sinreich, S. Coburn, B. Dix, and R. Volkamer Atmos. Chem. Phys., 10, 11359-11371, 2010 Abstract Final Revised Paper (PDF, 1832 KB) Discussion Paper (ACPD)
| | 01 Dec 2010 | Simulation of low clouds in the Southeast Pacific by the NCEP GFS: sensitivity to vertical mixing R. Sun, S. Moorthi, H. Xiao, and C. R. Mechoso Atmos. Chem. Phys., 10, 12261-12272, 2010 Abstract Final Revised Paper (PDF, 1821 KB) Discussion Paper (ACPD)
| | 23 Dec 2010 | A regional real-time forecast of marine boundary layers during VOCALS-REx S. Wang, L. W. O'Neill, Q. Jiang, S. P. de Szoeke, X. Hong, H. Jin, W. T. Thompson, and X. Zheng Atmos. Chem. Phys., 11, 421-437, 2011 Abstract Final Revised Paper (PDF, 3263 KB) Discussion Paper (ACPD)
| | 17 Jan 2011 | The VAMOS Ocean-Cloud-Atmosphere-Land Study Regional Experiment (VOCALS-REx): goals, platforms, and field operations R. Wood, C. R. Mechoso, C. S. Bretherton, R. A. Weller, B. Huebert, F. Straneo, B. A. Albrecht, H. Coe, G. Allen, G. Vaughan, P. Daum, C. Fairall, D. Chand, L. Gallardo Klenner, R. Garreaud, C. Grados, D. S. Covert, T. S. Bates, R. Krejci, L. M. Russell, S. de Szoeke, A. Brewer, S. E. Yuter, S. R. Springston, A. Chaigneau, T. Toniazzo, P. Minnis, R. Palikonda, S. J. Abel, W. O. J. Brown, S. Williams, J. Fochesatto, J. Brioude, and K. N. Bower Atmos. Chem. Phys., 11, 627-654, 2011 Abstract Final Revised Paper (PDF, 6691 KB) Discussion Paper (ACPD)
| | 21 Jan 2011 | VOCALS-CUpEx: the Chilean Upwelling Experiment R. D. Garreaud, J. A. Rutllant, R. C. Muñoz, D. A. Rahn, M. Ramos, and D. Figueroa Atmos. Chem. Phys., 11, 2015-2029, 2011 Abstract Final Revised Paper (PDF, 10674 KB) Discussion Paper (ACPD)
| | 04 Mar 2011 | An aircraft case study of the spatial transition from closed to open mesoscale cellular convection over the Southeast Pacific R. Wood, C. S. Bretherton, D. Leon, A. D. Clarke, P. Zuidema, G. Allen, and H. Coe Atmos. Chem. Phys., 11, 2341-2370, 2011 Abstract Final Revised Paper (PDF, 16181 KB) Discussion Paper (ACPD)
| | 15 Mar 2011 | Large-scale and synoptic meteorology in the south-east Pacific during the observations campaign VOCALS-REx in austral Spring 2008 T. Toniazzo, S. J. Abel, R. Wood, C. R. Mechoso, G. Allen, and L. C. Shaffrey Atmos. Chem. Phys., 11, 4977-5009, 2011 Abstract Final Revised Paper (PDF, 9836 KB) Discussion Paper (ACPD)
| | 27 May 2011 | Atmospheric sulfur cycling in the southeastern Pacific – longitudinal distribution, vertical profile, and diel variability observed during VOCALS-REx M. Yang, B. J. Huebert, B. W. Blomquist, S. G. Howell, L. M. Shank, C. S. McNaughton, A. D. Clarke, L. N. Hawkins, L. M. Russell, D. S. Covert, D. J. Coffman, T. S. Bates, P. K. Quinn, N. Zagorac, A. R. Bandy, S. P. de Szoeke, P. D. Zuidema, S. C. Tucker, W. A. Brewer, K. B. Benedict, and J. L. Collett Atmos. Chem. Phys., 11, 5079-5097, 2011 Abstract Final Revised Paper (PDF, 1721 KB) Discussion Paper (ACPD)
| | 31 May 2011 | South East Pacific atmospheric composition and variability sampled along 20° S during VOCALS-REx G. Allen, H. Coe, A. Clarke, C. Bretherton, R. Wood, S. J. Abel, P. Barrett, P. Brown, R. George, S. Freitag, C. McNaughton, S. Howell, L. Shank, V. Kapustin, V. Brekhovskikh, L. Kleinman, Y.-N. Lee, S. Springston, T. Toniazzo, R. Krejci, J. Fochesatto, G. Shaw, P. Krecl, B. Brooks, G. McMeeking, K. N. Bower, P. I. Williams, J. Crosier, I. Crawford, P. Connolly, J. D. Allan, D. Covert, A. R. Bandy, L. M. Russell, J. Trembath, M. Bart, J. B. McQuaid, J. Wang, and D. Chand Atmos. Chem. Phys., 11, 5237-5262, 2011 Abstract Final Revised Paper (PDF, 2716 KB) Discussion Paper (ACPD)
| | 01 Jun 2011 | Coupled vs. decoupled boundary layers in VOCALS-REx C. R. Jones, C. S. Bretherton, and D. Leon Atmos. Chem. Phys., 11, 7143-7153, 2011 Abstract Final Revised Paper (PDF, 1531 KB) Discussion Paper (ACPD)
| | 21 Jul 2011 | Modeling chemical and aerosol processes in the transition from closed to open cells during VOCALS-REx J. Kazil, H. Wang, G. Feingold, A. D. Clarke, J. R. Snider, and A. R. Bandy Atmos. Chem. Phys., 11, 7491-7514, 2011 Abstract Final Revised Paper (PDF, 4847 KB) Discussion Paper (ACPD)
| | 01 Aug 2011 | On the relationship between low cloud variability and lower tropospheric stability in the Southeast Pacific F. Sun, A. Hall, and X. Qu Atmos. Chem. Phys., 11, 9053-9065, 2011 Abstract Final Revised Paper (PDF, 1198 KB) Discussion Paper (ACPD)
| | 05 Sep 2011 | Observations of the boundary layer, cloud, and aerosol variability in the southeast Pacific near-coastal marine stratocumulus during VOCALS-REx X. Zheng, B. Albrecht, H. H. Jonsson, D. Khelif, G. Feingold, P. Minnis, K. Ayers, P. Chuang, S. Donaher, D. Rossiter, V. Ghate, J. Ruiz-Plancarte, and S. Sun-Mack Atmos. Chem. Phys., 11, 9943-9959, 2011 Abstract Final Revised Paper (PDF, 4514 KB) Discussion Paper (ACPD)
| | 27 Sep 2011 | Large-eddy simulation of mesoscale dynamics and entrainment around a pocket of open cells observed in VOCALS-REx RF06 A. H. Berner, C. S. Bretherton, and R. Wood Atmos. Chem. Phys., 11, 10525-10540, 2011 Abstract Final Revised Paper (PDF, 6062 KB) Discussion Paper (ACPD)
| | 24 Oct 2011 | Assessing regional scale predictions of aerosols, marine stratocumulus, and their interactions during VOCALS-REx using WRF-Chem Q. Yang, W. I. Gustafson Jr., J. D. Fast, H. Wang, R. C. Easter, H. Morrison, Y.-N. Lee, E. G. Chapman, S. N. Spak, and M. A. Mena-Carrasco Atmos. Chem. Phys., 11, 11951-11975, 2011 Abstract Final Revised Paper (PDF, 4986 KB) Discussion Paper (ACPD)
| | 02 Dec 2011 | Aerosol concentration and size distribution measured below, in, and above cloud from the DOE G-1 during VOCALS-REx L. I. Kleinman, P. H. Daum, Y.-N. Lee, E. R. Lewis, A. J. Sedlacek III, G. I. Senum, S. R. Springston, J. Wang, J. Hubbe, J. Jayne, Q. Min, S. S. Yum, and G. Allen Atmos. Chem. Phys., 12, 207-223, 2012 Abstract Final Revised Paper (PDF, 1881 KB) Discussion Paper (ACPD)
| | 04 Jan 2012 | Aircraft millimeter-wave passive sensing of cloud liquid water and water vapor during VOCALS-REx P. Zuidema, D. Leon, A. Pazmany, and M. Cadeddu Atmos. Chem. Phys., 12, 355-369, 2012 Abstract Final Revised Paper (PDF, 3237 KB) Discussion Paper (ACPD)
| | 05 Jan 2012 | Organic matter and non-refractory aerosol over the remote Southeast Pacific: oceanic and combustion sources L. M. Shank, S. Howell, A. D. Clarke, S. Freitag, V. Brekhovskikh, V. Kapustin, C. McNaughton, T. Campos, and R. Wood Atmos. Chem. Phys., 12, 557-576, 2012 Abstract Final Revised Paper (PDF, 2739 KB) Discussion Paper (ACPD)
| | 11 Jan 2012 | Advances and limitations of atmospheric boundary layer observations with GPS occultation over southeast Pacific Ocean F. Xie, D. L. Wu, C. O. Ao, A. J. Mannucci, and E. R. Kursinski Atmos. Chem. Phys., 12, 903-918, 2012 Abstract Final Revised Paper (PDF, 1569 KB) Discussion Paper (ACPD)
| | 19 Jan 2012 | Microphysical controls on the stratocumulus topped boundary-layer structure during VOCALS-REx I. A. Boutle and S. J. Abel Atmos. Chem. Phys., 12, 2849-2863, 2012 Abstract Final Revised Paper (PDF, 6737 KB) Discussion Paper (ACPD)
| | 20 Mar 2012 | Evaluating WRF-Chem aerosol indirect effects in Southeast Pacific marine stratocumulus during VOCALS-REx P. E. Saide, S. N. Spak, G. R. Carmichael, M. A. Mena-Carrasco, Q. Yang, S. Howell, D. C. Leon, J. R. Snider, A. R. Bandy, J. L. Collett, K. B. Benedict, S. P. de Szoeke, L. N. Hawkins, G. Allen, I. Crawford, J. Crosier, and S. R. Springston Atmos. Chem. Phys., 12, 3045-3064, 2012 Abstract Final Revised Paper (PDF, 7559 KB) Discussion Paper (ACPD)
| | 29 Mar 2012 | Limited-are a modelling of stratocumulus over South-Eastern Pacific M. Andrejczuk, W. W. Grabowski, A. Gadian, and R. Burton Atmos. Chem. Phys., 12, 3511-3526, 2012 Abstract Final Revised Paper (PDF, 4689 KB) Discussion Paper (ACPD)
| | 11 Apr 2012 | Does precipitation susceptibility vary with increasing cloud thickness in marine stratocumulus? C. R. Terai, R. Wood, D. C. Leon, and P. Zuidema Atmos. Chem. Phys., 12, 4567-4583, 2012 Abstract Final Revised Paper (PDF, 1561 KB) Discussion Paper (ACPD)
| | 24 May 2012 | Strongly sheared stratocumulus convection: an observationally based large-eddy simulation study S. Wang, X. Zheng, and Q. Jiang Atmos. Chem. Phys., 12, 5223-5235, 2012 Abstract Notice on CorrigendumThe requested paper has a corresponding Corrigendum published. Please read the
Corrigendum first before downloading the article. CorrigendumFinal Revised Paper (PDF, 1623 KB) Final Revised Paper (PDF, 1623 KB) Discussion Paper (ACPD) Corrigendum
| | 14 Jun 2012 | Corrigendum to "Strongly sheared stratocumulus convection: an observationally based large-eddy simulation study" published in Atmos. Chem. Phys., 12, 5223–5235, 2012 S. Wang, X. Zheng, and Q. Jiang Atmos. Chem. Phys., 12, 5509-5509, 2012 Abstract Final Revised Paper (PDF, 227 KB) Corresponding Article
| | 25 Jun 2012 | Impact of natural and anthropogenic aerosols on stratocumulus and precipitation in the Southeast Pacific: a regional modelling study using WRF-Chem Q. Yang, W. I. Gustafson Jr., J. D. Fast, H. Wang, R. C. Easter, M. Wang, S. J. Ghan, L. K. Berg, L. R. Leung, and H. Morrison Atmos. Chem. Phys., 12, 8777-8796, 2012 Abstract Final Revised Paper (PDF, 622 KB) Discussion Paper (ACPD)
| | 28 Sep 2012 | Comparison of MODIS cloud microphysical properties with in-situ measurements over the Southeast Pacific Q. Min, E. Joseph, Y. Lin, L. Min, B. Yin, P. H. Daum, L. I. Kleinman, J. Wang, and Y.-N. Lee Atmos. Chem. Phys., 12, 11261-11273, 2012 Abstract Final Revised Paper (PDF, 2956 KB) Discussion Paper (ACPD)
| | 03 Dec 2012 | Evaluating MODIS cloud retrievals with in situ observations from VOCALS-REx N. J. King, K. N. Bower, J. Crosier, and I. Crawford Atmos. Chem. Phys., 13, 191-209, 2013 Abstract Final Revised Paper (PDF, 643 KB) Discussion Paper (ACPD)
| | 08 Jan 2013 | The first aerosol indirect effect quantified through airborne remote sensing during VOCALS-REx D. Painemal and P. Zuidema Atmos. Chem. Phys., 13, 917-931, 2013 Abstract Final Revised Paper (PDF, 3464 KB) Discussion Paper (ACPD)
| | 22 Jan 2013 | A comparative study of the response of modeled non-drizzling stratocumulus to meteorological and aerosol perturbations J. L. Petters, H. Jiang, G. Feingold, D. L. Rossiter, D. Khelif, L. C. Sloan, and P. Y. Chuang Atmos. Chem. Phys., 13, 2507-2529, 2013 Abstract Final Revised Paper (PDF, 3519 KB) Discussion Paper (ACPD)
| | 05 Mar 2013 | Impacts of aerosol particles on the microphysical and radiative properties of stratocumulus clouds over the southeast Pacific Ocean C. H. Twohy, J. R. Anderson, D. W. Toohey, M. Andrejczuk, A. Adams, M. Lytle, R. C. George, R. Wood, P. Saide, S. Spak, P. Zuidema, and D. Leon Atmos. Chem. Phys., 13, 2541-2562, 2013 Abstract Final Revised Paper (PDF, 3193 KB) Discussion Paper (ACPD)
| | 05 Mar 2013 | A data assimilative perspective of oceanic mesoscale eddy evolution during VOCALS-REx A. C. Subramanian, A. J. Miller, B. D. Cornuelle, E. Di Lorenzo, R. A. Weller, and F. Straneo Atmos. Chem. Phys., 13, 3329-3344, 2013 Abstract Final Revised Paper (PDF, 10536 KB) Discussion Paper (ACPD)
| | 25 Mar 2013 | Meteorological observations on the northern Chilean coast during VOCALS-REx J. A. Rutllant, R. C. Muñoz, and R. D. Garreaud Atmos. Chem. Phys., 13, 3409-3422, 2013 Abstract Final Revised Paper (PDF, 2197 KB) Supplement (929 KB) Discussion Paper (ACPD)
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