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
Section 9: CALPUFF False Easting and Northing (km) at the projection origin (Used only if PMAP= TTM, LCC, or LAZA) (FEAST) Default=0.0 ! FEAST = 0.000 ! (FNORTH) Default=0.0 ! FNORTH = 0.000 ! UTM zone (1 to 60) (Used only if PMAP=UTM) (IUTMZN) No Default ! IUTMZN = 19 ! Hemisphere for UTM projection (Used only if PMAP=UTM) (UTMHEM) Default: N ! UTMHEM = N ! N : Northern hemisphere projection S : Southern hemisphere projection Table 9-2 (Continued) Sample CALPUFF Control File (CALPUFF.INP) Input Group 4 Latitude and Longitude (decimal degrees) of projection origin (Used only if PMAP= TTM, LCC, PS, EM, or LAZA) (RLAT0) No Default ! RLAT0 = 0N ! (RLON0) No Default ! RLON0 = 0E ! TTM : RLON0 identifies central (true N/S) meridian of projection RLAT0 selected for convenience LCC : RLON0 identifies central (true N/S) meridian of projection RLAT0 selected for convenience PS : RLON0 identifies central (grid N/S) meridian of projection RLAT0 selected for convenience EM : RLON0 identifies central meridian of projection RLAT0 is REPLACED by 0.0N (Equator) LAZA: RLON0 identifies longitude of tangent-point of mapping plane RLAT0 identifies latitude of tangent-point of mapping plane Matching parallel(s) of latitude (decimal degrees) for projection (Used only if PMAP= LCC or PS) (XLAT1) No Default ! XLAT1 = 0N ! (XLAT2) No Default ! XLAT2 = 0N ! LCC : Projection cone slices through Earth's surface at XLAT1 and XLAT2 PS : Projection plane slices through Earth at XLAT1 (XLAT2 is not used) ---------- Note: Latitudes and longitudes should be positive, and include a letter N,S,E, or W indicating north or south latitude, and east or west longitude. For example, 35.9 N Latitude = 35.9N 118.7 E Longitude = 118.7E Datum-region ------------ The Datum-Region for the coordinates is identified by a character string. Many mapping products currently available use the model of the Earth known as the World Geodetic System 1984 (WGS-84). Other local models may be in use, and their selection in CALMET will make its output consistent with local mapping products. The list of Datum-Regions with official transformation parameters is provided by the National Imagery and Mapping Agency (NIMA). NIMA Datum - Regions(Examples) ------------------------------------------------------------------------------ 9-20
Section 9: CALPUFF WGS-84 NAS-C NAR-C NWS-84 ESR-S WGS-84 Reference Ellipsoid and Geoid, Global coverage (WGS84) NORTH AMERICAN 1927 Clarke 1866 Spheroid, MEAN FOR CONUS (NAD27) NORTH AMERICAN 1983 GRS 80 Spheroid, MEAN FOR CONUS (NAD83) NWS 6370KM Radius, Sphere ESRI REFERENCE 6371KM Radius, Sphere Datum-region for output coordinates (DATUM) Default: WGS-84 ! DATUM = NAS-C ! METEOROLOGICAL grid: No. X grid cells (NX) No default ! NX = 40 ! No. Y grid cells (NY) No default ! NY = 40 ! No. vertical layers (NZ) No default ! NZ = 10 ! Grid spacing (DGRIDKM) No default ! DGRIDKM = 0.5 ! Units: km Cell face heights (ZFACE(nz+1)) No defaults Units: m ! ZFACE = 0., 20., 50., 100., 200., 400., 600., 1000., 1500., 2000., 3000. ! Reference Coordinates of SOUTHWEST corner of grid cell(1, 1): X coordinate (XORIGKM) No default ! XORIGKM = -10. ! Y coordinate (YORIGKM) No default ! YORIGKM = -10. ! Units: km Table 9-2 (Continued) Sample CALPUFF Control File (CALPUFF.INP) Input Group 4, 5 COMPUTATIONAL Grid: The computational grid is identical to or a subset of the MET. grid. The lower left (LL) corner of the computational grid is at grid point (IBCOMP, JBCOMP) of the MET. grid. The upper right (UR) corner of the computational grid is at grid point (IECOMP, JECOMP) of the MET. grid. The grid spacing of the computational grid is the same as the MET. grid. X index of LL corner (IBCOMP) No default ! IBCOMP = 1 ! (1
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Section 9: CALPUFF<br />
WGS-84<br />
NAS-C<br />
NAR-C<br />
NWS-84<br />
ESR-S<br />
WGS-84 Reference Ellipsoid and Geoid, Global coverage (WGS84)<br />
NORTH AMERICAN 1927 Clarke 1866 Spheroid, MEAN FOR CONUS (NAD27)<br />
NORTH AMERICAN 1983 GRS 80 Spheroid, MEAN FOR CONUS (NAD83)<br />
NWS 6370KM Radius, Sphere<br />
ESRI REFERENCE 6371KM Radius, Sphere<br />
D<strong>at</strong>um-region for output coordin<strong>at</strong>es<br />
(DATUM) Default: WGS-84 ! DATUM = NAS-C !<br />
METEOROLOGICAL grid:<br />
No. X grid cells (NX) No default ! NX = 40 !<br />
No. Y grid cells (NY) No default ! NY = 40 !<br />
No. vertical layers (NZ) No default ! NZ = 10 !<br />
Grid spacing (DGRIDKM) No default ! DGRIDKM = 0.5 !<br />
Units: km<br />
Cell face heights<br />
(ZFACE(nz+1))<br />
No defaults<br />
Units: m<br />
! ZFACE = 0., 20., 50., 100., 200., 400., 600., 1000., 1500., 2000.,<br />
3000. !<br />
Reference Coordin<strong>at</strong>es<br />
<strong>of</strong> SOUTHWEST corner <strong>of</strong><br />
grid cell(1, 1):<br />
X coordin<strong>at</strong>e (XORIGKM) No default ! XORIGKM = -10. !<br />
Y coordin<strong>at</strong>e (YORIGKM) No default ! YORIGKM = -10. !<br />
Units: km<br />
<strong>Table</strong> 9-2 (Continued)<br />
Sample CALPUFF Control File (CALPUFF.INP)<br />
Input <strong>Group</strong> 4, 5<br />
COMPUTATIONAL Grid:<br />
<strong>The</strong> comput<strong>at</strong>ional grid is identical to or a subset <strong>of</strong> the MET. grid.<br />
<strong>The</strong> lower left (LL) corner <strong>of</strong> the comput<strong>at</strong>ional grid is <strong>at</strong> grid point<br />
(IBCOMP, JBCOMP) <strong>of</strong> the MET. grid. <strong>The</strong> upper right (UR) corner <strong>of</strong> the<br />
comput<strong>at</strong>ional grid is <strong>at</strong> grid point (IECOMP, JECOMP) <strong>of</strong> the MET. grid.<br />
<strong>The</strong> grid spacing <strong>of</strong> the comput<strong>at</strong>ional grid is the same as the MET. grid.<br />
X index <strong>of</strong> LL corner (IBCOMP) No default ! IBCOMP = 1 !<br />
(1