/[MITgcm]/MITgcm/verification/global_with_exf/README
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Contents of /MITgcm/verification/global_with_exf/README

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Revision 1.4 - (show annotations) (download)
Fri Aug 15 01:42:44 2003 UTC (17 years, 11 months ago) by dimitri
Branch: MAIN
CVS Tags: checkpoint51k_post, checkpoint57m_post, checkpoint52l_pre, checkpoint57g_pre, checkpoint57s_post, checkpoint58b_post, checkpoint57b_post, checkpoint57g_post, checkpoint56b_post, checkpoint57y_post, checkpoint52j_pre, checkpoint51o_pre, checkpoint54d_post, checkpoint54e_post, checkpoint62c, checkpoint51l_post, checkpoint57r_post, checkpoint57d_post, checkpoint57i_post, checkpoint52k_post, checkpoint59, checkpoint58, checkpoint55, checkpoint54, checkpoint57, checkpoint56, checkpoint53, checkpoint52, checkpoint58f_post, checkpoint52f_post, checkpoint57n_post, checkpoint58d_post, checkpoint58a_post, checkpoint57z_post, checkpoint54f_post, checkpoint51f_post, checkpoint62a, checkpoint62g, checkpoint62f, checkpoint62e, checkpoint62d, checkpoint62k, checkpoint62j, checkpoint62i, checkpoint62h, checkpoint62o, checkpoint62n, checkpoint62m, checkpoint62l, checkpoint62s, checkpoint62r, checkpoint62q, checkpoint62p, checkpoint62w, checkpoint62v, checkpoint62u, checkpoint62t, checkpoint62z, checkpoint62y, checkpoint62x, checkpoint58y_post, checkpoint51t_post, checkpoint58t_post, checkpoint51n_post, checkpoint55i_post, checkpoint58m_post, checkpoint57l_post, checkpoint52i_pre, hrcube_1, checkpoint51s_post, checkpoint57t_post, checkpoint55c_post, checkpoint51j_post, checkpoint52e_pre, checkpoint57v_post, checkpoint57f_post, checkpoint52e_post, checkpoint51n_pre, checkpoint53d_post, checkpoint64, checkpoint60, checkpoint61, checkpoint62, checkpoint63, checkpoint57a_post, checkpoint57h_pre, checkpoint52b_pre, checkpoint54b_post, checkpoint58w_post, checkpoint57h_post, checkpoint51l_pre, checkpoint52m_post, checkpoint57y_pre, checkpoint55g_post, checkpoint51q_post, checkpoint52b_post, checkpoint52c_post, checkpoint51h_pre, checkpoint58o_post, checkpoint57c_post, checkpoint58p_post, checkpoint58q_post, checkpoint52f_pre, checkpoint55d_post, checkpoint58e_post, checkpoint54a_pre, checkpoint63p, checkpoint63q, checkpoint63r, checkpoint63s, checkpoint63l, checkpoint63m, checkpoint63n, checkpoint63o, checkpoint63h, checkpoint63i, checkpoint63j, checkpoint63k, checkpoint63d, checkpoint63e, checkpoint63f, checkpoint63g, checkpoint53c_post, checkpoint63a, checkpoint63b, checkpoint63c, checkpoint55d_pre, checkpoint57c_pre, checkpoint58r_post, checkpoint55j_post, branchpoint-genmake2, checkpoint54a_post, checkpoint55h_post, checkpoint58n_post, checkpoint51r_post, checkpoint51i_post, checkpoint57e_post, checkpoint55b_post, checkpoint53a_post, checkpoint59q, checkpoint59p, checkpoint59r, checkpoint59e, checkpoint59d, checkpoint59g, checkpoint59f, checkpoint59a, checkpoint55f_post, checkpoint59c, checkpoint59b, checkpoint59m, checkpoint59l, checkpoint59o, checkpoint59n, checkpoint59i, checkpoint59h, checkpoint59k, checkpoint59j, checkpoint52d_post, checkpoint53g_post, checkpoint57p_post, checkpint57u_post, checkpoint57q_post, eckpoint57e_pre, checkpoint58k_post, checkpoint52a_pre, checkpoint62b, checkpoint58v_post, checkpoint52i_post, checkpoint51i_pre, checkpoint52h_pre, checkpoint56a_post, checkpoint58l_post, checkpoint53f_post, checkpoint64q, checkpoint64p, checkpoint64s, checkpoint64r, checkpoint64u, checkpoint64t, checkpoint64i, checkpoint64h, checkpoint64k, checkpoint64j, checkpoint64m, checkpoint64l, checkpoint64o, checkpoint64n, checkpoint64a, checkpoint64c, checkpoint64b, checkpoint64e, checkpoint64d, checkpoint64g, checkpoint64f, checkpoint57h_done, checkpoint52j_post, checkpoint57j_post, checkpoint57f_pre, checkpoint61f, checkpoint58g_post, branch-netcdf, checkpoint52l_post, checkpoint58x_post, checkpoint61n, checkpoint52n_post, checkpoint53b_pre, checkpoint58h_post, checkpoint56c_post, checkpoint58j_post, checkpoint57a_pre, checkpoint55a_post, checkpoint57o_post, checkpoint51o_post, checkpoint61q, checkpoint57k_post, checkpoint61z, checkpoint53b_post, checkpoint52a_post, checkpoint57w_post, checkpoint61e, checkpoint58i_post, checkpoint51g_post, ecco_c52_e35, checkpoint57x_post, checkpoint58c_post, checkpoint58u_post, checkpoint51m_post, checkpoint53d_pre, checkpoint58s_post, checkpoint55e_post, checkpoint61g, checkpoint61d, checkpoint54c_post, checkpoint61b, checkpoint61c, checkpoint61a, checkpoint61o, checkpoint61l, checkpoint61m, checkpoint61j, checkpoint61k, checkpoint61h, checkpoint61i, checkpoint61v, checkpoint61w, checkpoint61t, checkpoint61u, checkpoint61r, checkpoint61s, checkpoint61p, checkpoint51p_post, checkpoint61x, checkpoint61y, checkpoint51u_post
Branch point for: branch-genmake2, branch-nonh, tg2-branch, netcdf-sm0, checkpoint51n_branch
Changes since 1.3: +14 -10 lines
Modified pkg/exf/exf_interp.F in order to specify option
linear or bi-linear via argument rather than CPP option.

1 heimbach@mit.edu 07-Nov-2002.
2 This verification experiment is almost identical to the
3 global_ocean.90x40x15 experiment, except that it uses
4 the exf (and cal) package instead of the
5 external_fields_load routine.
6 To obtain identical results between the two experiments,
7 the following 2 modifications are necessary:
8 1. in external_fields_load.F:
9 replace the line
10 Imytm=int(myTime*rdt+0.5)
11 by
12 Imytm=int((myTime+1296000.)*rdt+0.5)
13 2. in exf_set_climsst.F:
14 comment the 'quality' check, i.e. avoid the setting
15 to freezing temperature if less than climtempfreeze.
16
17 ================================
18
19 menemenlis@jpl.nasa.gov 05-Aug-2003
20
21 Input-field spatial interpolation has been added to pkg/exf.
22 It is enabled by defining CPP option USE_EXF_INTERPOLATION
23 in EXF_CPPOPTIONS.h or in ECCO_CPPOPTIONS.h
24 Both bi-linear and bi-cubic interpolation schemes are supported.
25
26 This package is a placeholder until a more general coupler
27 is made available by the ESMF project. The output grid can be
28 arbitrary (cubed-sphere should be OK), but it is assumed that
29 the input grid is Cartesian with arbitrary latitude increments
30 in the y-direction and with equidistant longitude increments in
31 the x-direction. The input grid must encompass the complete
32 output grid in the y-direction (i.e., extrapolation is not
33 supported). It is also assumed that the grid is periodic in
34 the x-direction; to use the interpolation routine with a
35 non-periodic domain, make sure there is sufficient padding
36 at the edges, i.e., two points for bicubic and one for bilinear
37 interpolation.
38
39 The verification/global_with_exf experiment has been modified
40 to use the USE_EXF_INTERPOLATION option, the input grids
41 being defined by variables *_lon0, *_lon_inc, *_lat0, *_lat_inc
42 *_nlon and *_nlat in input/dat.exf and input/data.exf_clim
43
44 *_lon0, *_lat0 :: lon and lat of sw corner of global input grid
45 *_lon_inc :: scalar x-grid increment
46 *_lat_inc :: vector y-grid increments
47 *_nlon and *_nlat :: input x-grid and y-grid size
48
49 In this particular example the input and output grids are
50 the same, so the results of the verification experiment remain
51 unchanged from before.

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