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Table of Contents - The Atmospheric Studies Group at TRC

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Section 8: CALMET Model Files<br />

<strong>Table</strong> 8-8:<br />

GEO.DAT File Form<strong>at</strong><br />

Record Variable Type Description<br />

1 DATASET character*16 D<strong>at</strong>aset name (GEO.DAT)<br />

1 DATAVER character*16 D<strong>at</strong>aset version<br />

1 DATAMOD character*64 D<strong>at</strong>aset message field<br />

2 NCOMM integer Number <strong>of</strong> comment records to follow<br />

NEXT NCOMM Lines TITLEGE character *80 Title <strong>of</strong> file (up to 80 characters) and any other<br />

document<strong>at</strong>ion for QA<br />

NCOMM+3 PMAP * character*8<br />

Map projection<br />

UTM : Universal Transverse Merc<strong>at</strong>or<br />

TTM : Tangential Transverse Merc<strong>at</strong>or<br />

LCC : Lambert Conformal Conic<br />

PS : Polar Stereographic<br />

EM : Equ<strong>at</strong>orial Merc<strong>at</strong>or<br />

LAZA : Lambert Azimuthal Equal Area<br />

NCOMM+4<br />

IUTMZN,<br />

UTMHEM<br />

integer,<br />

character*1<br />

UTM zone, Hemisphere (N or S) read as form<strong>at</strong> (i4,a1)<br />

ONLY for PMAP = UTM<br />

NCOMM+4<br />

RLAT0,<br />

RLON0,<br />

XLAT1,<br />

XLAT2<br />

character*16<br />

L<strong>at</strong>itude, Longitude <strong>of</strong> map projection origin, and one or<br />

two M<strong>at</strong>ching L<strong>at</strong>itude Parallels. (Degrees with either N,<br />

S, E, or W, e.g., 45.6N).<br />

ONLY for PMAP = LCC, LAZA, TTM, PS, or EM<br />

NCOMM+5<br />

FEAST,<br />

FNORTH<br />

real<br />

False Easting and Northing (km).<br />

Included only if PMAP = TTM, LCC, or LAZA<br />

NCOMM+5 or 6 DATUM character*8 DATUM Code<br />

NCOMM+5 or 6 DATEN character*12 NIMA d<strong>at</strong>e (MM-DD-YYYY) for d<strong>at</strong>um definitions<br />

NCOMM+6 or 7 NXG integer Number <strong>of</strong> grid cells in the X direction<br />

NCOMM+6 or 7 NYG integer Number <strong>of</strong> grid cells in the Y direction<br />

NCOMM+6 or 7 XORG real Reference X coordin<strong>at</strong>e <strong>of</strong> southwest corner <strong>of</strong> grid cell<br />

(1,1)<br />

NCOMM+6 or 7 YORG real Reference Y coordin<strong>at</strong>e <strong>of</strong> southwest corner <strong>of</strong> grid cell<br />

(1,1)<br />

NCOMM+6 or 7 DGRIDX real Horizontal grid spacing: Easting<br />

*<br />

PMAP projections PS, EM, and LAZA are NOT AVAILABLE in CALMET<br />

8-60

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