[Eoas-seminar] COAPS Short Seminar Series - Monday Sept. 12th at 11:00AM

[eoas-seminar at lists.fsu.edu]

These talks are usually scheduled for the first Monday of each month. 
The first talk normally starts at 11:00AM.  Each talk is typically 12 
minutes long (similar to many professional meetings), with 8 minutes for 
questions.

These talks will be presented via Zoom, with the following connection 
information:

https://fsu.zoom.us/j/98491660566?pwd=NzBxNzN4LzdsbSs4R3B6RzliOGhhdz09

Meeting ID: 984 9166 0566

Passcode: 478314

Sept. 12th:

Ethan Wright: A Comparison of Scatterometer Wind Derivative Calculation 
Methods

Description: Spatial wind derivatives, such as vorticity and divergence, 
are important variables used to characterize low-level atmospheric flow 
and spatial derivatives of wind stress are fundamentally important for 
ocean forcing. Scatterometer swath winds are one of the only sources 
available for calculating spatial wind derivatives from satellites. 
However, the methods used to calculate the derivatives have varied 
between different studies and the assumptions used with different 
calculation methods can have important implications for the features 
that are resolved in the derivative fields. This talk gives a comparison 
of the different methods to calculate wind derivatives from orbital 
swath winds.

David Zierden: Current Climate Conditions in the Southeast and Outlook 
for the Fall and Winter

Description: The presentation will begin with a season-to-date review of 
the Atlantic hurricane season. This will include a look at the seasonal 
forecasts, the lull in activity in July and August, and some of the 
reasons for this lack of activity. The second part of the presentation 
will assess the current state of ENSO and the high likelihood of a third 
year of La Nina conditions. ENSO variability plays a large role in 
modulating the patterns of precipitation and temperature across the 
Southeast during the fall and winter months and has significant impacts 
on agriculture and water resources. This is a major factor in seasonal 
climate outlooks.

Xu Chen: Modeling the transport of oyster larvae from spawning areas to 
suitable juvenile habitat (settlement zones) in Apalachicola Bay, Florida

Description: Based on an offline Lagrangian model (FISCM), an oyster 
larvae model was developed to study the transport of oyster larvae from 
spawning areas to suitable juvenile habitat (settlement zones) in 
Apalachicola Bay, Florida. Velocity fields from FVCOM outputs were used 
to drive the Lagrangian advection. The vertical random walk proposed by 
Visser (1997) is used for calculating the effect of vertical 
diffusivity. In this experiment, more than 1 million Lagrangian floats 
were released between May 1 and May 31, 2012, at the frequency of 10504 
floats per 6 hours and the simulation ran for 50 days. These floats are 
released at oyster habitat sites in Apalachicola Bay, Alligator Harbor, 
and Ochlockonee Bay. In this model, one float represents a group of 
oyster larvae, and 100% of the larvae in the group are considered alive 
when the float is released. If this larvae group is surrounded by 
salinity between 6 ppt and 27 ppt and temperature between 5 oC and 
32 oC, the percentage of alive larvae will not change. However, if the 
float is surrounded by water out of the normal ranges of salinity and 
temperature as depicted above, 95% of the larvae in the group will die 
in 1 week. Each float (oyster larvae group) has a liberty period of 20 
days before settling, and a successful settling can be achieved only 
when the float meets more than one oyster habitat region. This talk will 
present some preliminary results of the oyster larvae model.

Oct. 3rd:

Kyra Britton: Application of High-Resolution Winter Seasonal Climate 
Forecasts for Streamflow Prediction in Central Florida

Description: Current global climate models typically run at a resolution 
of 100 km, which is too coarse to adequately resolve the coastlines and 
watersheds of Florida. Previous researchers created a reforecast of five 
environmental variables for a period of 22 years by dynamically 
downscaling a global model, thus giving more accurate regional data for 
temperature, evaporation, surface and root level soil moisture, and 
surface temperature. In this project, I attempt to define the 
relationship between these five reforecasted variables and the 
streamflow of several watersheds in Central Florida using statistical 
techniques, with the end goal of creating a streamflow forecast that 
will assist water utility managers in decision making


        Xiaobiao Xu:

Mark Bourassa: Current-Related Air-Sea Coupling

Nov. 7th

Joanna Rodgers: TBA

TBA:TBA

TBA:TBA

Dec. 5th

Carly Narotsky: TBA

TBA: TBA

Shawn Smith: The MarineFlux project


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