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

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  • The VAMOS¹ 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 the largest subtropical stratocumulus deck on Earth. The field intensive phase of VOCALS-REx took place during October and November 2008 and constitutes a critical part of a broader CLIVAR program (VOCALS) 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 other major components of VOCALS are a modeling program with a model hierarchy ranging from the local to global scales, and a suite of extended observations from regular research cruises, instrumented moorings, and satellites. The two central themes of VOCALS-REx focus upon (a) links between aerosols, clouds and precipitation and their impacts on marine stratocumulus radiative properties, and (b) physical and chemical couplings between the upper ocean and the lower atmosphere, including the role that mesoscale ocean eddies play. A set of hypotheses designed to be tested with the combined field, monitoring and modeling work in VOCALS is presented here. A further goal of VOCALS-REx is to provide datasets for the evaluation and improvement of large-scale numerical models. VOCALS-REx involved five research aircraft, two ships and two surface sites in northern Chile. We describe the instrument payloads and key mission strategies for these platforms and give a summary of the missions conducted.
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  • Wood, R., Mechoso, C. R., Bretherton, C. S., Weller, R. A., Huebert, B., Straneo, F., & Albrecht, B. A. ...(2011, January 21). The VAMOS ocean-cloud-atmosphere-land study regional experiment (VOCALS-REx): goals, platforms, and field operations. Atmospheric Chemistry and Physics, 11(2), 627-654. doi:10.5194/acp-11-627-2011
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  • Funding for VOCALS-REx was provided through the following grants: US National Science Foundation grants OCE07-44245, ATM-0934275, ATM0748012, ATM-0749011, ATM-0746685, AGS-0745337, ATM-0744636, ATM-0839872, ATM-0749088, ATM-0745702, ATM-0745986, OCE-0744245 and OCE-0741917; US National Oceanic and Atmospheric Administration grants NA08OAR4320899, NA09OAR4310206, NA070AR4310282, NA08OAR4310597, NA08OAR4310566, and GC08-252b; cooperative agreements between NOAA and NSF to fund logistics, operations and data archiving funded through NOAA grants NA07OAR4310267, NA06OAR4310119, and NA07OAR4310248; the US Office of Naval Research grants PE 0602435, N000140810437, and N000140810465; the Chilean FONDECYT grants 1109004 and 1090412; the Swedish Research Council for Environment, Agricultural Sciences and Spatial Planning grant 2007-1008; The Met Office (UK); the UK Natural Environment Research Council grants NE/F019874/1 and NE/F018592/1; NSF-NCAR Cooperative Agreement: 0301213 Amendment 64 funded VOCALS Field Support; Meteo France.
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  • Atmospheric Chemistry and Physics
  • Vol. 11 no. 2
  • description.provenance : Submitted by Deborah Campbell (deborah.campbell@oregonstate.edu) on 2012-05-07T17:02:17Z No. of bitstreams: 3 de SzkoekeS.CEOAS.VAMOSOceanCloud.pdf: 6852251 bytes, checksum: 17cf96c425c266f619dc35555be86cc9 (MD5) license_rdf: 22765 bytes, checksum: 56265f5776a16a05899187d30899c530 (MD5) license_text: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)
  • description.provenance : Made available in DSpace on 2012-05-07T17:02:17Z (GMT). No. of bitstreams: 3 de SzkoekeS.CEOAS.VAMOSOceanCloud.pdf: 6852251 bytes, checksum: 17cf96c425c266f619dc35555be86cc9 (MD5) license_rdf: 22765 bytes, checksum: 56265f5776a16a05899187d30899c530 (MD5) license_text: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Previous issue date: 2011-01-21

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