pkg/exf/exf_bulkcdn.F

c $Header: /u/gcmpack/MITgcm/pkg/exf/exf_bulkcdn.F,v 1.3 2003/02/18 05:33:54 dimitri Exp $

#include "EXF_CPPOPTIONS.h"


      _RL function exf_BulkCdn(
     I                          umps
     &                        )

c     ==================================================================
c     FUNCTION exf_BulkCdn
c     ==================================================================
c
c     o Compute the neutral drag coefficient as a function of the wind
c       speed.
c
c     started: Christian Eckert eckert@mit.edu  27-Aug-1999
c
c     changed: Christian Eckert eckert@mit.edu  14-Jan-2000
c
c              - Restructured the code in order to create a package
c                for the MITgcmUV.
c
c              Patrick Heimbach heimbach@mit.edu  05-May-2000
c
c              - Included appropriate CPP options
c                ALLOW_BULKFORMULAE, ALLOW_ATM_TEMP
c
c     ==================================================================
c     FUNCTION exf_BulkCdn
c     ==================================================================

      implicit none

#if (defined (ALLOW_BULKFORMULAE))

c     == global variables ==

#include "SIZE.h"
#include "exf_constants.h"

c     == function arguments ==
      _RL umps

c     == end of interface ==

      exf_BulkCdn = cdrag_1/umps + cdrag_2 + cdrag_3*umps

#else

c     == function arguments ==
      _RL umps

      exf_BulkCdn = 0.0
#endif

      end
1	c $Header: /u/gcmpack/MITgcm/pkg/exf/exf_bulkcdn.F,v 1.3 2003/02/18 05:33:54 dimitri Exp $
2
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	#if (defined (ALLOW_BULKFORMULAE))
36
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