sarah lynn fingerle. motivation background key points suggested paths of inquiry
TRANSCRIPT
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Sarah Lynn Fingerle
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Motivation Background Key points Suggested paths of inquiry
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Why the Southwest United States? How is the SW US susceptible to climate
change?
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•The Southwest United States receives most of its moisture from Monsoon Precipitation
•Three water sources: Pacific Ocean, Gulf of California, Gulf of Mexico
•Secondary water sources include latent soil moisture and mountain run off
•Moisture propagation affected by wave motions
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Warm SSTs in the Pacific Ocean reduce monsoon precipitation (Mo & Paegle 2000)
Increased precipitation variability leads to soil drying out (Anderson et al 2009)
A large wintertime snowpack leads to a dampening of the summertime monsoon (Gutzler 2000)
The PDO and ENSO working together dampen monsoon-type precipitation (Brown 2011)
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Closer examination of the influence of the Gulf of Mexico
Westward propagating tropical waves in the Gulf of Mexico
Extend area of interest to include Mexico
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Motivation Background Key points Suggested further work
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www.denix.osd.milcultureeveryday.com
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Anderson, Bruce T., Catherine Reifen, Ralf Toumi, 2009: Identification of Nonlinear Behavior in Transient Climate Change Projections of Soil Moisture over the United States. Earth Interactions, 13, 1-13.
Brown, David P., 2011: Winter Circulation Anomalies in the Western United States Associated
with Antecedent and Decadal ENSO Variability. Earth Interactions. 15, 1-12. Carleton, Andrew M., Duane A. Carpenter, Paul J. Weser, 1990: Mechanisms of Interannual Variability of
the Southwest United States Summer Rainfall Maximum. J. Climate. 3, 999-1015. Chistiansen, Daniel E., Steven L. Markstrom, Lauren E. Hay, 2011: Impacts of Climate Change on
the Growing Season in the United States. Earth Interactions, 15, 1-17. Gutzler, David S., 2000: Covariability of Spring Snowpack and Summer Rainfall across the Southwest
United States. J. Climate.13, 4018-4027. Mo, Kingtse C., and Julia Nogues Paegle, 2000: Influence of Sea Surface Temperature Anomalies on
the Precipitation Regimes over the Southwest United States. J. Climate. 13, 3588-3598. Peterson, Thomas C., et al, 2013: Monitoring and Understanding changes in Heat Waves, Cold
Waves, Floods, and Droughts in the United States. BAMS, June, 821-834. (not this one) Swetnam, Thomas W., and Julio L. Betancourt, 1998: Mesoscale Disturbance and Ecological
Response to Decadal Climate Variability in the American Southwest. J. Climate, 11, 3128-314 Yuan, Huiling, et al, 2007: Short-Range Probabilistic Quantitative Precipitation Forecasts over
the Southwest United States by the RSM Ensemble System. MWR, 135, 1685-1698.