A holistic microclimate model

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file_header [2012/08/11 10:42] – marenliefile_header [2012/08/11 10:52] – marenlie
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 The file header contains the basic information about the model dimensions and other metadata required to construct the computer model. The file header contains the basic information about the model dimensions and other metadata required to construct the computer model.
  
-<file> +<WRAP center round box 60%> 
-01: 2Z-V5+01: 2Z-V5\\
  
-02: % Model description +02: % Model description\\ 
-03: ENVI-met test area+03: ENVI-met test area\\
  
-04: % Number of grids in x, y and z direction +04: % Number of grids in x, y and z direction\\ 
-05: 20 +05: 20\\ 
-06: 26 +06: 26\\ 
-07: 25+07: 25\\
  
-08: % Base Horizontal Gridsize dx, dy +08: % Base Horizontal Gridsize dx, dy\\ 
-09: 2.00 +09: 2.00\\ 
-10: 2.00 +10: 2.00\\ 
-11: % Vertical Gridsize +11: % Vertical Gridsize\\ 
-12: 2.00+12: 2.00\\
  
-13: % Telecoping vertical Grid? 0= No 1= Yes +13: % Telecoping vertical Grid? 0= No 1= Yes\\ 
-14: 0 or 1 +14: 0 or 1 \\
   14a: % Telecoping factor in %   14a: % Telecoping factor in %
   14b: 20   14b: 20
   14c: % Start z-level for telecoping   14c: % Start z-level for telecoping
   14d: 30.00   14d: 30.00
 +  
 +15: % Model rotation out of grid north in deg\\
 +16: 0.0\\
  
-15: % Model rotation out of grid north in deg +17: % Number of nesting grids\\ 
-16: 0.0+18: 3\\ 
 +19: % Soil Profile ID for Nesting Grid A\\ 
 +20: cl\\ 
 +21: % Soil Profile ID for Nesting Grid\\ 
 +22: as\\
  
-17: % Number of nesting grids +23: % Geographical Projection System\\ 
-18: 3 +24: GK\\ 
-19: % Soil Profile ID for Nesting Grid A +25: % Real world coordinate lower left grid x and y\\ 
-20: cl +26: 2000.00\\ 
-21: % Soil Profile ID for Nesting Grid  +27: 2000.00\\
-22: as+
  
-23: % Geographical Projection System +28: % Name of location (city,..)\\ 
-24: GK +29: Essen/Germany\\ 
-25: % Real world coordinate lower left grid x and y +30: % Position on Earth (Longitude and Latitude)\\ 
-26: 2000.00 +31: 53.00\\ 
-27: 2000.00+32: 7.00\\ 
 +33: % Name of Reference Time Zone\\ 
 +34: CET/UTC+1\\ 
 +35: % Definition Longitude of Time Zone\\ 
 +36: 15.00\\
  
-28: % Name of location (city,..) +37: % Define where Area Data are located\\ 
-29: Essen/Germany +38: [INTERNAL]\\ 
-30: % Position on earth (longitude and latitude) +(...)\\ 
-31: 53.00 +</WRAP>
-32: 7.00 +
-33: % Name of reference time zone +
-34: CET/UTC+1 +
-35: % Definition longitude of time zone +
-36: 15.00+
  
-37: % Define where area data are located 
-38: [INTERNAL] 
-(...) 
-</file> 
    
 Most of the lines are self-explaining, however, a brief description what they mean follows next.\\ Most of the lines are self-explaining, however, a brief description what they mean follows next.\\
Line 76: Line 77:
 The number of z-values must be defined by the user.\\ The number of z-values must be defined by the user.\\
 When using the equidistant grid method, the lowest grid box above the surface is automatically split into 5 sub-boxes with Δzs=0.2 Δz. These additional 4 boxes are not included in the number of z-grids given here.\\ When using the equidistant grid method, the lowest grid box above the surface is automatically split into 5 sub-boxes with Δzs=0.2 Δz. These additional 4 boxes are not included in the number of z-grids given here.\\
-The final model size is increased by the [[kb:nesting|nesting grids]] and the additional 4 surface-boxes mentioned above. Make sure, that your area is not too big to run ENVI-met.+The final model size is increased by the [[kb:nesting|Nesting Grids]] and the additional 4 surface-boxes mentioned above. Make sure, that your area is not too big to run ENVI-met.