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South American Monsoon Sensitivity to External Forcings
Rebecca Orrison
PhD student Department of Atmospheric and Environmental Sciences University at Albany; SUNY
August 8th NEPARS REU lightning talk
pirecreate.com
South American Monsoon Sensitivity to External Forcings Rebecca - - PowerPoint PPT Presentation
South American Monsoon Sensitivity to External Forcings Rebecca - - PowerPoint PPT Presentation
South American Monsoon Sensitivity to External Forcings Rebecca Orrison PhD student Department of Atmospheric and Environmental Sciences University at Albany; SUNY August 8 th NEPARS REU lightning talk pirecreate.com South American Monsoon
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Chaco Low
850 hPa wind feed Adapted from Noveeeo et ae., 2016
SAMS
Intertropicae Convergence Zone Subtropicae High
South American Monsoon System
South Ateantic Convergence Zone
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S A C Z C L
850 hPa wind feed Adapted from Noveeeo et ae., 2016
S A M S I T C Z S H
- How can we learn about the dynamics of this
system?
- How do we contextualize current and future
changes in the system?
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S A C Z C L
850 hPa wind feed Adapted from Noveeeo et ae., 2016
S A M S I T C Z S H
- How can we learn about the dynamics of this
system? → climate models
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NASA
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Precipitation [CESM-LME; fuee forcing]
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S A C Z C L
850 hPa wind feed Adapted from Noveeeo et ae., 2016
S A M S I T C Z S H
- How do we contextualize current and future
changes in the system? →paleoclimatic data
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Paeestina Cave Laguna Pumacocha Huagapo Cave Queeccaya Ice Cap Parque Nacionae T
- rotoro
Cristae Cave T amborie Cave São Bernardo Cave, São Matheus Cave Diva de Maura Cave, Torrinha Cave, Lapa Doce Cave Paraíso Cave Pau d’Alho Pau d’Alho Cave, Curupira Cave, Curupira Cave Cave Jaraguá Cave Jaraguá Cave
Proxy Records
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Summary:
+ =
Understanding the system contextuaeized by the past... …we eook to the future
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Thank you! Questions?
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Fuee SAM domain Pau D’Aeho + Curupira (~15S, ~56W )
Noveeeo et ae., 2016
Waveeet Anaeysis
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Last Millennium Ensemble details:
► Greenhouse gases: transient 850 – 2005 [3] (Schmidt et
- al. 2011)
► Land cover/land use: transient 850 – 2005 [3] (Pongratz
et al. 2008, Hurtt et al. 2011)
► Ozone-Aerosols: transient 1850 – 2005 [2] (Schmidt et
- al. 2011)
► Solar Insolation: transient 850 – 2005 [4] (Vieira et al.
2011)
► Orbital: transient 850 – 2005 [3] (Berger 1978) ► Volcanic eruptions: transient 850 – 2005 [5] (Gao et al.,
2008)
► Unless noted, other forcings in single forced runs set to