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Predicting Ocean Currents Yi Chao Jet Propulsion Laboratory California Institute of Technology November 14, 2011 1
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Predicting Ocean Currents

Yi Chao Jet Propulsion Laboratory

California Institute of Technology

November 14, 2011

1  

Our Knowledge of Ocean Currents: Long-Term Mean

2  

Our Knowledge of Ocean Currents: Long-Term Mean

3  

Our Knowledge of Ocean Currents: September 2011

Surface Current

Sea Surface Temperature

s �

Our Knowledge of Ocean Currents: Fluctuations at Multiple Time Scales

Pacific Decadal Oscillation (PDO)

Sea Surface Temperature (IPCC)

5  

How to Predict Ocean Currents? Weather & Climate Prediction Examples

6  

How to Predict Ocean Currents?

Data Assimilation

Products

Users Observation

Feedback

Forecasting

Model Data Assimilation

7  

9-Month Ocean Current Prediction

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Pacific Ocean Model Simulation http://ourocean.jpl.nasa.gov/animations.html

( �

Virtual Drifter Trajectories: Released off the coast of Japan in April 2011

and tracked until Jan.2012

10  

Observed  (red)  vs.  Model  Predic2on  (white)  

11  

Predicting Ocean Currents: We are ready to produce weekly 9-month predictions

Sea Surface Temperature

r c �

Thanks!

Questions?

Email: [email protected]

13  


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