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Table of Contents - The Atmospheric Studies Group at TRC

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Section 9: CALPUFF<br />

file is between IURB1 and IURB2, inclusive, the modeling domain will be consider urban). Otherwise, it<br />

will be considered rural. <strong>The</strong> leaf area index is only used by the model if dry deposition velocities are<br />

being computed. <strong>The</strong> elev<strong>at</strong>ion is used to fill the 2-D terrain elev<strong>at</strong>ion array in CALPUFF th<strong>at</strong> is<br />

normally filled from the CALMET file. This array is used to determine, through interpol<strong>at</strong>ion, the<br />

elev<strong>at</strong>ion <strong>of</strong> the gridded receptors gener<strong>at</strong>ed by the model as an option. Because a single value is<br />

available when the ISCMET.DAT file is used, all <strong>of</strong> the gridded receptors will be assigned this elev<strong>at</strong>ion.<br />

Receptor-specific elev<strong>at</strong>ions are assigned to each discrete receptor by the user in the CALPUFF control<br />

file (see Input <strong>Group</strong> 17).<br />

9-140

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