/[MITgcm]/MITgcm/pkg/exf/exf_bulkcdn.F
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Annotation of /MITgcm/pkg/exf/exf_bulkcdn.F

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Revision 1.4 - (hide annotations) (download)
Tue Mar 25 22:44:07 2003 UTC (21 years, 2 months ago) by heimbach
Branch: MAIN
CVS Tags: checkpoint51j_post, checkpoint50e_post, checkpoint50c_post, checkpoint50c_pre, branchpoint-genmake2, checkpoint50h_post, checkpoint50d_pre, checkpoint50b_pre, checkpoint51e_post, checkpoint51b_post, checkpoint51c_post, checkpoint51f_pre, checkpoint50i_post, checkpoint51, checkpoint50d_post, checkpoint51b_pre, checkpoint51h_pre, checkpoint50g_post, checkpoint51g_post, checkpoint51f_post, checkpoint50b_post, checkpoint50f_post, checkpoint50f_pre, checkpoint51d_post, checkpoint51a_post, checkpoint50e_pre, checkpoint51i_pre
Branch point for: branch-genmake2
Changes since 1.3: +2 -2 lines
CPP option mismatch for case
#define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP

1 heimbach 1.4 c $Header: /u/gcmpack/MITgcm/pkg/exf/exf_bulkcdn.F,v 1.3 2003/02/18 05:33:54 dimitri Exp $
2 heimbach 1.1
3     #include "EXF_CPPOPTIONS.h"
4    
5    
6     _RL function exf_BulkCdn(
7     I umps
8     & )
9    
10     c ==================================================================
11     c FUNCTION exf_BulkCdn
12     c ==================================================================
13     c
14     c o Compute the neutral drag coefficient as a function of the wind
15     c speed.
16     c
17     c started: Christian Eckert eckert@mit.edu 27-Aug-1999
18     c
19     c changed: Christian Eckert eckert@mit.edu 14-Jan-2000
20     c
21     c - Restructured the code in order to create a package
22     c for the MITgcmUV.
23     c
24     c Patrick Heimbach heimbach@mit.edu 05-May-2000
25     c
26     c - Included appropriate CPP options
27     c ALLOW_BULKFORMULAE, ALLOW_ATM_TEMP
28     c
29     c ==================================================================
30     c FUNCTION exf_BulkCdn
31     c ==================================================================
32    
33     implicit none
34    
35 heimbach 1.4 #if (defined (ALLOW_BULKFORMULAE))
36 heimbach 1.1
37     c == global variables ==
38    
39     #include "SIZE.h"
40     #include "exf_constants.h"
41    
42     c == function arguments ==
43     _RL umps
44    
45     c == end of interface ==
46    
47     exf_BulkCdn = cdrag_1/umps + cdrag_2 + cdrag_3*umps
48    
49     #else
50    
51     c == function arguments ==
52     _RL umps
53    
54     exf_BulkCdn = 0.0
55     #endif
56    
57     end

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