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EPIC 95°W Observations of the Eastern Pacific Atmospheric Boundary Layer from the Cold Tongue to the ITCZ

Creator:: de Szoeke, Simon P. and Bretherton, Christopher S.
Abstract:: The atmospheric boundary layer (ABL) along 95°W in the eastern equatorial Pacific during boreal autumn is described using data from the East Pacific Investigation of Climate (EPIC) 2001, with an emphasis on the evolution of the thermodynamic ABL properties from the cold tongue to the cold-advection region north of the...
Resource Type:: Article
Full Text:: Layer from the Cold Tongue to the ITCZ SIMON P. DE SZOEKE AND CHRISTOPHER S. BRETHERTON Department of

Variability in the Southerly Flow into the Eastern Pacific ITCZ

Creator:: de Szoeke, Simon P. and Bretherton, Christopher S.
Abstract:: During boreal summer and fall, there is a strong southerly boundary layer flow across the equator into the east Pacific intertropical convergence zone (ITCZ). The modulation of this flow on synoptic to seasonal time scales is studied using an index of meridional pressure difference between the equator and the ITCZ...
Resource Type:: Article
Full Text:: , Hawaii CHRISTOPHER S. BRETHERTON Department of Atmospheric Sciences, University of Washington, Seattle

Quasi-Lagrangian Large Eddy Simulations of Cross-Equatorial Flow in the East Pacific Atmospheric Boundary Layer

Creator:: de Szoeke, Simon P. and Bretherton, C. S.
Abstract:: Using a large eddy simulation (LES), the atmospheric boundary layer (ABL) is numerically modeled along 95°W from 8°S to 4°N during boreal autumn, and compared to observations from the East Pacific Investigation of Climate Processes in the Coupled Ocean–Atmosphere System (EPIC) 2001. Since the local ABL winds are predominantly southerly...
Resource Type:: Article
Full Text:: . P. DE SZOEKE AND C. S. BRETHERTON Department of Atmospheric Sciences, University of Washington

Clouds, Aerosols, and Precipitation in the Marine Boundary Layer: An Arm Mobile Facility Deployment

Creator:: Wood, Robert, Wyant, Matthew, Bretherton, Christopher S., Rémillard, Jasmine, Kollias, Pavlos, Fletcher, Jennifer, Stemmler, Jayson, De Szoeke, Simon P., Yuter, Sandra, Miller, Matthew, Mechem, David, Tselioudis, George, Chiu, J. Christine, Mann, Julian A. L., O’Connor, Ewan J., Hogan, Robin J., Dong, Xiquan, Miller, Mark, Ghate, Virendra, Jefferson, Anne, Min, Qilong, Minnis, Patrick, Palikonda, Rabindra, Albrecht, Bruce, Luke, Ed, Hannay, Cecile, and Lin, Yanluan
Abstract:: The Clouds, Aerosol, and Precipitation in the Marine Boundary Layer (CAP-MBL) deployment at Graciosa Island in the Azores generated a 21-month (April 2009–December 2010) comprehensive dataset documenting clouds, aerosols, and precipitation using the Atmospheric Radiation Measurement Program (ARM) Mobile Facility (AMF). The scientific aim of the deployment is to gain...
Resource Type:: Article
Full Text:: , ChRistopheR s. bRetheRton, JasMine RéMillaRd, pavlos Kollias, JennifeR fletCheR, Jayson steMMleR, siMone de

Ocean–Cloud–Atmosphere–Land Interactions in the Southeastern Pacific: The VOCALS Program

Creator:: Mechoso, C. R., Wood, R., Weller, R., Bretherton, C. S., Clarke, A. D., Coe, H., Fairall, C., Farrar, J. T., Feingold, G., Garreaud, R., Grados, C., McWilliams, J., de Szoeke, Simon P., Yuter, S. E., and Zuidema, P.
Abstract:: The present paper describes the Variability of the American Monsoon Systems (VAMOS) Ocean–Cloud–Atmosphere–Land Study (VOCALS), an international research program focused on the improved understanding and modeling of the southeastern Pacific (SEP) climate system on diurnal to interannual time scales. In the framework of the SEP climate, VOCALS has two fundamental...
Resource Type:: Article
Full Text:: Pacific: The VOCALS Program Mechoso, C. R., Wood, R., Weller, R., Bretherton, C. S., Clarke, A. D., Coe

Observations of Stratocumulus Clouds and Their Effect on the Eastern Pacific Surface Heat Budget along 20 degrees S

Creator:: de Szoeke, Simon P., Yuter, Sandra, Mechem, David, Fairall, Chris W., Burleyson, Casey D., and Zuidema, Paquita
Abstract:: Widespread stratocumulus clouds were observed on nine transects from seven research cruises to the southeastern tropical Pacific Ocean along 20°S, 75°–85°W in October–November of 2001–08. The nine transects sample a unique combination of synoptic and interannual variability affecting the clouds; their ensemble diagnoses longitude–vertical sections of the atmosphere, diurnal cycles...
Resource Type:: Article
Full Text:: 15 October to 13 November 2008 (Bretherton et al. 2010). The slope of the boundary layer depth also

Surface Flux Observations on the Southeastern Tropical Pacific Ocean and Attribution of SST Errors in Coupled Ocean–Atmosphere Models

Creator:: de Szoeke, Simon P., Fairall, Christopher W., Wolfe, Daniel E., Bariteau, Ludovic, and Zuidema, Paquita
Abstract:: A new dataset synthesizes in situ and remote sensing observations from research ships deployed to the southeastern tropical Pacific stratocumulus region for 7 years in boreal fall. Surface meteorology, turbulent and radiative fluxes, aerosols, cloud properties, and rawinsonde profiles were measured on nine ship transects along 20°S from 75° to...
Resource Type:: Article
Full Text:: CHRISTOPHER W. FAIRALL AND DANIEL E. WOLFE National Oceanic and Atmospheric Administration/Earth System

deSzoekeSimonCEOASMJOAir-Sea.pdf

Creator:: de Szoeke, Simon P., Edson, James B., Marion, June R., Fairall, Christopher W., and Bariteau, Ludovic
Abstract:: DYNAMO and TOGA-COARE observations and reanalysis-based surface flux products are used to test theories of atmosphere-ocean interaction that explain the Madden-Julian Oscillation (MJO). Negative intraseasonal outgoing longwave radiation, indicating deep convective clouds, is in phase with increased surface wind stress, decreased solar heating, and increased surface turbulent heat flux—mostly evaporation—from...
Full Text:: Szoeke, S. P., Edson, J. B., Marion, J. R., Fairall, C. W., & Bariteau, L. (2014). The MJO and Air-Sea

deSzoekeSimonCEOASMJOAirSea.pdf

Creator:: de Szoeke, Simon P., Edson, James B., Marion, June R., Fairall, Christopher W., and Bariteau, Ludovic
Abstract:: DYNAMO and TOGA-COARE observations and reanalysis-based surface flux products are used to test theories of atmosphere-ocean interaction that explain the Madden-Julian Oscillation (MJO). Negative intraseasonal outgoing longwave radiation, indicating deep convective clouds, is in phase with increased surface wind stress, decreased solar heating, and increased surface turbulent heat flux—mostly evaporation—from...
Full Text:: The MJO and Air-Sea Interaction in TOGA COARE and DYNAMO de Szoeke, S. P., Edson, J. B., Marion, J. R

The VAMOS Ocean-Cloud-Atmosphere-Land Study Regional Experiment (VOCALS-REx): goals, platforms, and field operations

Creator:: Wood, R., Mechoso, C. R., Bretherton, C. S., Weller, R. A., Huebert, B., Straneo, F., Albrecht, B. A., Coe, H., Allen, G., Vaughan, G., Daum, P., Fairall, C., Chand, D., Klenner, L. Gallardo, Garreaud, R., Grados, C., Covert, D. S., Bates, T. S., Krejci, R., Russell, L. M., de Szoeke, Simon P., Brewer, A., Yuter, S. E., Springston, S. R., Chaigneau, A., Toniazzo, T., Minnis, P., Palikonda, R., Abel, S. J., Brown, W. O. J., Williams, S., Fochesatto, J., Brioude, J., and Bower, K. N.
Abstract:: The VAMOS Ocean-Cloud-Atmosphere-Land Study Regional Experiment (VOCALS-REx) was an international field program designed to make observations of poorly understood but critical components of the coupled climate system of the southeast Pacific. This region is characterized by strong coastal upwelling, the coolest SSTs in the tropical belt, and is home to...
Resource Type:: Article

ScholarsArchive@OSU

EPIC 95°W Observations of the Eastern Pacific Atmospheric Boundary Layer from the Cold Tongue to the ITCZ

Variability in the Southerly Flow into the Eastern Pacific ITCZ

Quasi-Lagrangian Large Eddy Simulations of Cross-Equatorial Flow in the East Pacific Atmospheric Boundary Layer

Clouds, Aerosols, and Precipitation in the Marine Boundary Layer: An Arm Mobile Facility Deployment

Ocean–Cloud–Atmosphere–Land Interactions in the Southeastern Pacific: The VOCALS Program

Observations of Stratocumulus Clouds and Their Effect on the Eastern Pacific Surface Heat Budget along 20 degrees S

Surface Flux Observations on the Southeastern Tropical Pacific Ocean and Attribution of SST Errors in Coupled Ocean–Atmosphere Models

deSzoekeSimonCEOASMJOAir-Sea.pdf

deSzoekeSimonCEOASMJOAirSea.pdf

The VAMOS Ocean-Cloud-Atmosphere-Land Study Regional Experiment (VOCALS-REx): goals, platforms, and field operations

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