The L(W)WKD Marine Boundary Layer Model Version 7.09


  1. Forand, J.L.
Corporate Authors
Defence Research Establishment Valcartier, Valcartier QUE (CAN)
The objective of this report is to bring up to date the present state of DREV's L(W)WKD model. Important changes to the L(W)WKD program have recently been made as a result of exchanges of both models and experimental data between Canada and France during the last few years. This has led to an agreement on a common set of equations and options that are somewhat different from those used in earlier versions of L(W)WKD and in earlier versions of the French model, PIRAM. The first part of the report discusses changes to the basic scaling equations that are used in the L(W)WKD model, and the iterative method employed. It also discusses changes to the equations that relate the parameters produced by the basic scaling equations to meteorologically important parameters, and to the model used to calculate the refractive index profiles from the visible to the far infrared. The second part describes the additions and changes to the program's modes of operation, its new options, outputs, and compilation modes. The third part of the report presents some typical examples of the results obtainable using the program and a new analysis of the MAPTIP data. Finally, some conclusions and future improvements to the model are discussed.
Marine boundary layer;Mirage;LWWKD;MAPTIP;PIRAM;WKD;Ducting;Similarity theory
Report Number
DREV-TR-1999-099 — Technical Report
Date of publication
01 Sep 1999
Number of Pages
Hardcopy;Document Image stored on Optical Disk

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