L.  Rastae)er,  M.  Kuznetsova,  

D.  Knipp,  L.  Kilcommons,  

A.Ridley,  D.  Weimer  

Joule Heating/Poynting Flux/ Model/Data Comparison.

Very Preliminary Results

h"p://ccmc.gsfc.nasa.gov  

Time Series Plotting Tool

Time Series Plotting Tool

Several orbits of DMSP during 2005.243 (Event 4 of GEM 2008)

Modeled Joule Heating

Poynting Flux Sz from DMSP

[mW/cm2]

half-orbits

Weimer and SWMF often line up better with strongest fluxes

CTIPe shows correct magnitude

times of minima

More half-orbits

Analysis  of  a  single  half-­‐orbit  

Skill  scores:  

PredicCon  Efficiency  Log-­‐Spectral  Distance  

PredicCon  Yield  CorrelaCon  

Timing Error (here for CTIPe) To be added:

Half-Orbit Averaged

-20

0

20

40

60

80

12 16 20 24 28 32hours

(-1) * DMSP 9_SWMF 1_WEIMER 1_CTIPE

CTIPe shows best average values Weimer and SWMF very similar to each other

Conclusions  

•  First  model  results  look  promising  •  Need  to  compute  new  skill  scores:  

– Timing  errors  within  each  half-­‐orbit  

-­‐  …  

•  Need  more  model  submissions.  

•  Compute  Joule  HeaCng  from  exisCng  GEM-­‐CEDAR  runs.