Table of Contents - The Atmospheric Studies Group at TRC

Table of Contents - The Atmospheric Studies Group at TRC Table of Contents - The Atmospheric Studies Group at TRC

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Section 8: CALMET Model Files Table 8-4 (Continued) Input Group 5 - Wind Field Options and Parameters Variable Type Description Default Value ZUPWND real array Bottom and top of layer through which the initial-guess winds are computed. Units: meters. (Used only if IDIOPT3=0.) Note: Two values must be entered (e.g., ! ZUPWND=1.0, 2000. !). IDIOPT4 integer Control variable for surface wind components. (0=compute internally from surface data, 1=read preprocessed values from the file DIAG.DAT.) IDIOPT5 integer Control variable for upper air wind components. (0=compute internally from upper air data, 1=read preprocessed values from the file DIAG.DAT.) LLBREZE logical Control variable for lake breeze region option. LLBREZE=T, region interpolation is performed. LLBREZE=F, no region interpolation is performed. NBOX integer Number of boxes defining region (used only if LLBREZE=T) XG1 real array 1st x-grid line to define box. (Used only if LLBREZE=T.) (One for each box.) XG2 real array 2nd x-grid line to define box. (Used only if LLBREZE=T.) (One for each box.) YG1 real array 1st y-grid line to define box. (Used only if LLBREZE=T.) (One for each box.) YG2 real array 2nd y-grid line to define box. (Used only if LLBREZE=T.) (One for each box.) XBCST real array Beginning x coordinate (km) of user defined coastline (straight line). (Used only if LLBREZE=T.) (One for each box.) YBCST real array Beiginning y coordinate (km) of user defined coastline (straight line). (Used only if LLBREZE=T.) (One for each box.) 1.0 1000. 0 0 F - - - - - - - (Input Group 5 Continued) 8-47

Section 8: CALMET Model Files Table 8-4 (Continued) Input Group 5 - Wind Field Options and Parameters Variable Type Description Default Value XECST real array Beginning x coordinate (km) of user defined coastline (straight line). (Used only if LLBREZE=T.) (One for each box.) YECST real array Beginning y coordinate (km) of user defined coastline (straight line). (Used only if LLBREZE=T.) (One for each box.) NLB integer Number of meteorological stations (surface and upper air stations) in a box. (Used only if LLBREZE=T.) (One for each box.) - - - METBXID integer Station ids of the meteorological stations within each box (surface stations first, then upper air stations). (Used only if LLBREZE=T.) (One set per box.) - Input Group 6 - Mixing Height, Temperature, and Precipitation Parameters Variable Type Description Default Value CONSTB real Neutral mechanical mixing height constant 1.41 CONSTE real Convective mixing height constant 0.15 CONSTN real Stable mixing height constant 2400. CONSTW real Overwater mixing height constant 0.16 FCORIOL real Absolute value of Coriolis parameter (1/s) 1.E-4 DPTMIN real Minimum potential temperature lapse rate in the stable layer above the current convective mixing height (deg. K/m) DZZI real Depth of layer (m) above current convective mixing height in which lapse rate is computed. 0.001 200. ZIMAX real Maximum overland mixing height (m) 3000. ZIMIN real Minimum overland mixing height (m) 50. (Input Group 6 Continued) 8-48

Section 8: CALMET Model Files<br />

<strong>Table</strong> 8-4 (Continued)<br />

Input <strong>Group</strong> 5 - Wind Field Options and Parameters<br />

Variable Type Description Default Value<br />

ZUPWND real array Bottom and top <strong>of</strong> layer through which the initial-guess<br />

winds are computed. Units: meters. (Used only if<br />

IDIOPT3=0.) Note: Two values must be entered (e.g.,<br />

! ZUPWND=1.0, 2000. !).<br />

IDIOPT4 integer Control variable for surface wind components.<br />

(0=compute internally from surface d<strong>at</strong>a, 1=read<br />

preprocessed values from the file DIAG.DAT.)<br />

IDIOPT5 integer Control variable for upper air wind components.<br />

(0=compute internally from upper air d<strong>at</strong>a, 1=read<br />

preprocessed values from the file DIAG.DAT.)<br />

LLBREZE logical Control variable for lake breeze region option.<br />

LLBREZE=T, region interpol<strong>at</strong>ion is performed.<br />

LLBREZE=F, no region interpol<strong>at</strong>ion is performed.<br />

NBOX integer Number <strong>of</strong> boxes defining region (used only if<br />

LLBREZE=T)<br />

XG1 real array 1st x-grid line to define box. (Used only if<br />

LLBREZE=T.) (One for each box.)<br />

XG2 real array 2nd x-grid line to define box. (Used only if<br />

LLBREZE=T.) (One for each box.)<br />

YG1 real array 1st y-grid line to define box. (Used only if<br />

LLBREZE=T.) (One for each box.)<br />

YG2 real array 2nd y-grid line to define box. (Used only if<br />

LLBREZE=T.) (One for each box.)<br />

XBCST real array Beginning x coordin<strong>at</strong>e (km) <strong>of</strong> user defined coastline<br />

(straight line). (Used only if LLBREZE=T.) (One for<br />

each box.)<br />

YBCST real array Beiginning y coordin<strong>at</strong>e (km) <strong>of</strong> user defined coastline<br />

(straight line). (Used only if LLBREZE=T.) (One for<br />

each box.)<br />

1.0<br />

1000.<br />

0<br />

0<br />

F<br />

-<br />

-<br />

-<br />

-<br />

-<br />

-<br />

-<br />

(Input <strong>Group</strong> 5 Continued)<br />

8-47

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