pkg/bulk_force/exf_bulkcdn.F

c $Header: /u/gcmpack/MITgcm/pkg/bulk_force/exf_bulkcdn.F,v 1.3 2003/11/23 01:36:55 jmc Exp $
C $Name:  $


#include "BULK_FORCE_OPTIONS.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_BULK_FORCEE, ALLOW_ATM_TEMP
c     swd, Apr 2002: modified to be used in bulkf package
c
c     ==================================================================
c     FUNCTION exf_BulkCdn
c     ==================================================================

      implicit none

c     == global variables ==

#include "BULKF_PARAMS.h"

c     == function arguments ==
      _RL umps

c     == end of interface ==
#ifdef ALLOW_BULK_FORCE

      exf_BulkCdn = cdrag_1/umps + cdrag_2 + cdrag_3*umps

#endif

      end
1	jmc	1.4	c $Header: /u/gcmpack/MITgcm/pkg/bulk_force/exf_bulkcdn.F,v 1.3 2003/11/23 01:36:55 jmc Exp $
2	edhill	1.2	C $Name: $
3	cheisey	1.1
4	jmc	1.3
5	edhill	1.2	#include "BULK_FORCE_OPTIONS.h"
6	cheisey	1.1
7			_RL function exf_BulkCdn(
8			I umps
9			& )
10
11			c ==================================================================
12			c FUNCTION exf_BulkCdn
13			c ==================================================================
14			c
15			c o Compute the neutral drag coefficient as a function of the wind
16			c speed.
17			c
18			c started: Christian Eckert eckert@mit.edu 27-Aug-1999
19			c
20			c changed: Christian Eckert eckert@mit.edu 14-Jan-2000
21			c
22			c - Restructured the code in order to create a package
23			c for the MITgcmUV.
24			c
25			c Patrick Heimbach heimbach@mit.edu 05-May-2000
26			c
27			c - Included appropriate CPP options
28			c ALLOW_BULK_FORCEE, ALLOW_ATM_TEMP
29			c swd, Apr 2002: modified to be used in bulkf package
30			c
31			c ==================================================================
32			c FUNCTION exf_BulkCdn
33			c ==================================================================
34
35			implicit none
36
37			c == global variables ==
38
39	jmc	1.3	#include "BULKF_PARAMS.h"
40	cheisey	1.1
41			c == function arguments ==
42			_RL umps
43
44			c == end of interface ==
45	jmc	1.3	#ifdef ALLOW_BULK_FORCE
46	cheisey	1.1
47			exf_BulkCdn = cdrag_1/umps + cdrag_2 + cdrag_3*umps
48
49			#endif
50
51			end