29.01.2015 Views

Volume 1 - The Atmospheric Studies Group at TRC

Volume 1 - The Atmospheric Studies Group at TRC

Volume 1 - The Atmospheric Studies Group at TRC

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

<strong>The</strong> performance evalu<strong>at</strong>ion system also provides results for the fraction of model<br />

predictions th<strong>at</strong> are within a factor-of-2 of the observ<strong>at</strong>ions (FAC2), and the<br />

correl<strong>at</strong>ion:<br />

Modeled Iy FAC2 Correl<strong>at</strong>ion<br />

CALPUFF<br />

0.655 0.842<br />

(CALPUFF Turbulence Profile)<br />

CALPUFF<br />

0.664 0.848<br />

(AERMOD Turbulence Profile)<br />

OCD5 0.536 0.712<br />

Observed Iy FAC2 Correl<strong>at</strong>ion<br />

CALPUFF<br />

0.582 0.827<br />

(CALPUFF Turbulence Profile)<br />

CALPUFF<br />

0.600 0.834<br />

(AERMOD Turbulence Profile)<br />

OCD5 0.545 0.663<br />

Based on these measures across all 4 d<strong>at</strong>asets, the prototype model for OCS<br />

applic<strong>at</strong>ions improves upon the previous model designed for OCS applic<strong>at</strong>ions. It<br />

has a small mean bias toward overprediction, and exhibits sc<strong>at</strong>ter th<strong>at</strong> is typical in<br />

th<strong>at</strong> it is close to a factor of two.<br />

Final Report Vol.1 76

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!