Multidisciplinary drifting Observatory for the Study of Arctic Climate

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Presentation transcript:

Multidisciplinary drifting Observatory for the Study of Arctic Climate MOSAiC Multidisciplinary drifting Observatory for the Study of Arctic Climate www.mosaicobservatory.org Science Plan Writing Team Matthew Shupe, David Barber, Klaus Dethloff, Sebastian Gerland, Jun Inoue, Craig Lee, Brice Loose, Alexander Makshtas, Wieslaw Maslowski, Marcel Nicolaus, Dirk Notz, Ilka Peeken, Don Perovich, Ola Persson, Julia Schmale, Michael Tjernström, Timo Vihma, Jinping Zhao (w/ many other contributions) Introduce the organizing team and science plan writing team.

The MOSAiC Concept NSIDC Detailed process study to understand coupled central Arctic climate system Central observatory on icebreaker – atmosphere-ice-ocean-BGC Distributed observation network on “grid-box scale” Coordinated multi-scale modeling activities Timeframe: 2018-2019 annual cycle Location: Central Arctic Basin ice pack Targeting 1st-year sea ice Who: International science team, funding and infrastructure. Coordination through IASC. US must play a critical role (likely lead role) if something like MOSAiC is to be successful.

Year of Polar Prediction An initiative of the WWRP Polar Prediction Project An extended period of coordinated intensive observational and modelling activities to improve polar prediction capabilities on a wide range of time scales. www.polarprediction.net

MOSAiC Science Plan Interdisciplinary Processes-study Inter-seasonal Sea-ice Life Cycle Sea-ice Lagrangian Ice as an Integrator Broader Implications What are the causes and consequences of an evolving and diminished Arctic sea-ice cover? These are the current specific science questions around which MOSAiC is being organized. They support the broader question related to sea-ice. These questions were developed via a workshop that was held in Boulder in summer 2012 and will serve as the basis for a science plan. Draft available at www.mosaicobservatory.org

Sea-Ice Energy Budgets Incoming solar radiation Outgoing LW Reflected solar emitted by atmosphere Energy Budgets Radiation Upper Ocean Heat Storage Mixing Processes Turbulence Stratification Boundary Layers Momentum Fluxes Absorbed by atmosphere Atmosphere back radiation Turbulence Reflected surface Large-scale advection Absorbed by ice Sea ice Emitted-Absorbed by ice Sea ice Transmitted Turbulence Ocean

BioGeoChem Processes Surface Gas Exchange Carbon Cycle Nutrient Transfer Ice Algae / Biota Sea Ice Ecosystems Primary Productivity Aerosol Precursors

Clouds/Precip/Aerosols Phase Partitioning / Mixed-phase Radiative Processes Cloud dynamics / Turbulence Spatial Organization Cyclogenesis Aerosol Conc. / Source attribution Precipitation Morrison et al

Focusing on Aerosols What do we know about central Arctic aerosols? In winter? Annual variability? Composition? Baseline properties – physical, chemical, optical, CCN & IN Sources: local vs. advective Aerosol evolution Vertical dist’n/mixing Impact on cloud formation, phase partitioning, microphysics Black carbon’s role

Opportunities www.mosaicobservatory.org www.polarprediction.net Engage with YOPP: Link and leverage planned and proposed observational activities Coordinate with various national efforts related to MOSAiC Propose targeted activities (NOAA aircraft missions…) Promote MOSAiC and YOPP concepts www.mosaicobservatory.org www.polarprediction.net