Newer
Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
<?xml version="1.0"?>
<!-- $id$ -->
<!--
============================================================================================================
= definition of all existing sea ice variables =
= DO NOT CHANGE =
============================================================================================================
-->
<field_definition level="1" prec="4" operation="average" enabled=".TRUE." default_value="1.e20" > <!-- time step automaticaly defined -->
<!--
============================================================================================================
Physical sea ice model variables
============================================================================================================
-->
<field_group id="SBC" > <!-- time step automaticaly defined based on nn_fsbc -->
<!-- 2D variables -->
<field_group id="SBC_2D" grid_ref="grid_T_2D" >
<!-- =================== -->
<!-- standard ice fields -->
<!-- =================== -->
<!-- ice presence masks -->
<field id="icemask" long_name="Fraction of time steps with sea ice" standard_name="sea_ice_mask" unit="" />
<field id="icemask05" long_name="Ice mask (0 if ice conc. lower than 5%, 1 otherwise)" standard_name="sea_ice_mask05" unit="" />
<field id="icemask15" long_name="Ice mask (0 if ice conc. lower than 15%, 1 otherwise)" standard_name="sea_ice_mask15" unit="" />
<field id="icepres" long_name="Fraction of time steps with sea ice" standard_name="sea_ice_time_fraction" unit="" />
<field id="fasticepres" long_name="Fraction of time steps with landfast ice" standard_name="fast_ice_time_fraction" unit="" />
<!-- general fields -->
<field id="icemass" long_name="Sea-ice mass per gridcell area" standard_name="sea_ice_amount" unit="kg/m2"/>
<field id="snwmass" long_name="Snow mass per area" standard_name="liquid_water_content_of_surface_snow" unit="kg/m2"/>
<field id="iceconc" long_name="Sea-ice area fraction" standard_name="sea_ice_area_fraction" unit="" />
<field id="icevolu" long_name="Sea-ice volume per area" standard_name="sea_ice_thickness" unit="m" />
<field id="icethic" long_name="Sea-ice thickness" standard_name="sea_ice_thickness" unit="m" />
<field id="snwthic" long_name="Snow thickness" standard_name="snow_thickness" unit="m" />
<field id="icebrv" long_name="brine volume" unit="%" />
<field id="iceage" long_name="ice age" unit="days" detect_missing_value="true"/>
<field id="icehnew" long_name="frazil ice collection thickness" unit="m" />
<field id="snwvolu" long_name="snow volume" unit="m" />
<field id="icefrb" long_name="Sea-ice freeboard" standard_name="sea_ice_freeboard" unit="m" />
<field id="icealb" long_name="Sea-ice or snow albedo" standard_name="sea_ice_albedo" unit="" detect_missing_value="true" />
<!-- melt ponds -->
<field id="iceapnd" long_name="melt pond concentration" standard_name="sea_ice_meltpond_concentration" unit="" />
<field id="icehpnd" long_name="melt pond depth" standard_name="sea_ice_meltpond_depth" unit="m" />
<field id="icevpnd" long_name="melt pond volume" standard_name="sea_ice_meltpond_volume" unit="m" />
<field id="icehlid" long_name="melt pond lid depth" standard_name="sea_ice_meltpondlid_depth" unit="m" />
<field id="icevlid" long_name="melt pond lid volume" standard_name="sea_ice_meltpondlid_volume" unit="m" />
<field id="dvpn_mlt" long_name="pond volume tendency due to surface melt" standard_name="sea_ice_pondvolume_tendency_melt" unit="kg/m2/s" />
<field id="dvpn_lid" long_name="pond volume tendency due to exchanges with lid" standard_name="sea_ice_pondvolume_tendency_lids" unit="kg/m2/s" />
<field id="dvpn_rnf" long_name="pond volume tendency due to runoff" standard_name="sea_ice_pondvolume_tendency_runoff" unit="kg/m2/s" />
<field id="dvpn_drn" long_name="pond volume tendency due to drainage" standard_name="sea_ice_pondvolume_tendency_drainage" unit="kg/m2/s" />
<!-- heat -->
<field id="icetemp" long_name="Mean ice temperature" unit="degC" detect_missing_value="true" />
<field id="snwtemp" long_name="Mean snow temperature" unit="degC" detect_missing_value="true" />
<field id="icettop" long_name="temperature at the ice surface" unit="degC" detect_missing_value="true" />
<field id="icetbot" long_name="temperature at the ice bottom" unit="degC" detect_missing_value="true" />
<field id="icetsni" long_name="temperature at the snow-ice interface" unit="degC" detect_missing_value="true" />
<field id="icehc" long_name="ice heat content" unit="J/m2" />
<field id="snwhc" long_name="snow heat content" unit="J/m2" />
<!-- salt -->
<field id="icesalt" long_name="Sea ice salinity" unit="g/kg" detect_missing_value="true" />
<field id="icesalm" long_name="Mass of salt in sea ice per area" standard_name="sea_ice_salt_mass" unit="kg/m2" />
<!-- momentum (rheology) -->
<field id="uice" long_name="X-component of sea ice velocity" standard_name="sea_ice_x_velocity" unit="m/s" />
<field id="vice" long_name="Y-component of sea ice velocity" standard_name="sea_ice_y_velocity" unit="m/s" />
<field id="icevel" long_name="Sea-ice speed" standard_name="sea_ice_speed" unit="m/s" />
<field id="utau_ai" long_name="X-component of atmospheric stress on sea ice" standard_name="surface_downward_x_stress" unit="N/m2" />
<field id="vtau_ai" long_name="Y-component of atmospheric stress on sea ice" standard_name="surface_downward_y_stress" unit="N/m2" />
<field id="utau_oi" long_name="X-component of ocean stress on sea ice" standard_name="sea_ice_base_upward_x_stress" unit="N/m2" />
<field id="vtau_oi" long_name="Y-component of ocean stress on sea ice" standard_name="sea_ice_base_upward_y_stress" unit="N/m2" />
<field id="utau_bi" long_name="X-component of ocean bottom stress on sea ice -landfast" standard_name="ocean_bottom_upward_x_stress" unit="N/m2" />
<field id="vtau_bi" long_name="Y-component of ocean bottom stress on sea ice -landfast" standard_name="ocean_bottom_upward_y_stress" unit="N/m2" />
<field id="taum_ice" long_name="Module of atmospheric stress on sea ice (T-points)" standard_name="mod_surface_downward_stress" unit="N/m2" />
<field id="utau_ice" long_name="X-component of ocean stress on sea ice (T-points)" standard_name="sea_ice_base_upward_x_stress_Tpoints" unit="N/m2" />
<field id="vtau_ice" long_name="Y-component of ocean stress on sea ice (T-points)" standard_name="sea_ice_base_upward_y_stress_Tpoints" unit="N/m2" />
<field id="sig1_pnorm" long_name="P-normalized 1st principal stress component" unit="" />
<field id="sig2_pnorm" long_name="P-normalized 2nd principal stress component" unit="" />
<field id="icedlt" long_name="delta" standard_name="delta" unit="" />
<field id="normstr" long_name="Average normal stress in sea ice" standard_name="average_normal_stress" unit="N/m" />
<field id="sheastr" long_name="Maximum shear stress in sea ice" standard_name="maximum_shear_stress" unit="N/m" />
<field id="icestr" long_name="Compressive sea ice strength" standard_name="compressive_strength_of_sea_ice" unit="N/m" />
<field id="icediv" long_name="Divergence of the sea-ice velocity field" standard_name="divergence_of_sea_ice_velocity" unit="s-1" />
<field id="iceshe" long_name="Maximum shear of sea-ice velocity field" standard_name="maximum_shear_of_sea_ice_velocity" unit="s-1" />
<field id="aniso" long_name="anisotropy of sea ice floe orientation (0.5 - 1)" standard_name="anisotropy" unit="" />
<field id="yield11" long_name="yield surface tensor component 11" standard_name="yield11" unit="N/m" />
<field id="yield22" long_name="yield surface tensor component 22" standard_name="yield22" unit="N/m" />
<field id="yield12" long_name="yield surface tensor component 12" standard_name="yield12" unit="N/m" />
<field id="beta_evp" long_name="Relaxation parameter of ice rheology (beta)" standard_name="relaxation_parameter_of_ice_rheology" unit="" />
<!-- surface heat fluxes -->
<field id="qt_ice" long_name="total heat flux at ice surface" standard_name="surface_downward_heat_flux_in_air" unit="W/m2" />
<field id="qsr_ice" long_name="solar heat flux at ice surface" standard_name="surface_downwelling_shortwave_flux_in_air" unit="W/m2" />
<field id="qlw_ice" long_name="longwave (IR) heat flux at ice surface" standard_name="surface_downwelling_longwave_flux_in_air" unit="W/m2" />
<field id="qns_ice" long_name="non-solar heat flux at ice surface (including E-P)" unit="W/m2" />
<field id="qla_ice" long_name="latent (sublimation) heat flux at ice surface" unit="W/m2" />
<field id="qsb_ice" long_name="sensible heat flux at ice surface" unit="W/m2" />
<field id="qtr_ice_bot" long_name="solar heat flux transmitted through the ice (to the ocean)" unit="W/m2" />
<field id="qtr_ice_top" long_name="solar heat flux transmitted through the ice surface" unit="W/m2" />
<field id="qt_oce_ai" long_name="total heat flux at the ocean surface: interface oce-(ice+atm)" unit="W/m2" />
<field id="qt_atm_oi" long_name="total heat flux at the oce-ice surface: interface atm-(ice+oce)" unit="W/m2" />
<field id="qemp_ice" long_name="Downward Heat Flux from E-P over ice" unit="W/m2" />
<field id="albedo" long_name="Mean albedo over sea ice and ocean" unit="" />
<field id="Cd_ice" long_name="Drag coefficient over sea-ice" standard_name="drag_coefficient_ice" unit="" />
<field id="Ce_ice" long_name="Sublimation coefficient over sea-ice" standard_name="evap_coefficient_ice" unit="" />
<field id="Ch_ice" long_name="Sensible heat coefficient over sea-ice" standard_name="sensible_heat_coefficient_ice" unit="" />
<!-- trends -->
<field id="afxthd" long_name="sea-ice area fraction change from thermodynamics" standard_name="tendency_of_sea_ice_area_fraction_due_to_dynamics" unit="s-1" />
<field id="afxdyn" long_name="sea-ice area fraction change from dynamics" standard_name="tendency_of_sea_ice_area_fraction_due_to_dynamics" unit="s-1" />
<field id="afxtot" long_name="area tendency (total)" unit="s-1" />
<!-- momentum (advection) -->
<field id="icemtrp" long_name="ice mass transport" unit="kg/m2/s" />
<field id="snwmtrp" long_name="snw mass transport" unit="kg/m2/s" />
<field id="salmtrp" long_name="salt mass transport" unit="kg/m2/s" />
<field id="dihctrp" long_name="ice heat content transport" unit="W/m2" />
<field id="dshctrp" long_name="snw heat content transport" unit="W/m2" />
<!-- salt fluxes -->
<field id="sfxice" long_name="ice-ocean salt flux from ice growth/melt (neg = growth)" unit="kg/m2/s" />
<field id="sfxbog" long_name="ice-ocean salt flux from ice bottom growth" unit="kg/m2/s" />
<field id="sfxbom" long_name="ice-ocean salt flux from ice bottom melt" unit="kg/m2/s" />
<field id="sfxsum" long_name="ice-ocean salt flux from ice surface melt" unit="kg/m2/s" />
<field id="sfxlam" long_name="ice-ocean salt flux from ice lateral melt" unit="kg/m2/s" />
<field id="sfxsni" long_name="ice-ocean salt flux from snow-ice formation" unit="kg/m2/s" />
<field id="sfxopw" long_name="ice-ocean salt flux from ice formation in open water" unit="kg/m2/s" />
<field id="sfxdyn" long_name="ice-ocean salt flux from ice dynamics (ridging)" unit="kg/m2/s" />
<field id="sfxbri" long_name="ice-ocean salt flux from brines" unit="kg/m2/s" />
<field id="sfxres" long_name="ice-ocean salt flux from undiagnosed processes" unit="kg/m2/s" />
<field id="sfxsub" long_name="ice-ocean salt flux from ice sublimation" unit="kg/m2/s" />
<!-- mass fluxes -->
<field id="vfxice" long_name="ice-ocean mass flux from ice melt/growth (neg = growth)" unit="kg/m2/s" />
<field id="vfxbog" long_name="ice-ocean mass flux from ice bottom growth" unit="kg/m2/s" />
<field id="vfxbom" long_name="ice-ocean mass flux from ice bottom melt" unit="kg/m2/s" />
<field id="vfxsum" long_name="ice-ocean mass flux from ice surface melt" unit="kg/m2/s" />
<field id="vfxlam" long_name="ice-ocean mass flux from ice lateral melt" unit="kg/m2/s" />
<field id="vfxsni" long_name="ice-ocean mass flux from snow-ice formation" unit="kg/m2/s" />
<field id="vfxopw" long_name="ice-ocean mass flux from ice growth in open water" unit="kg/m2/s" />
<field id="vfxdyn" long_name="ice-ocean mass flux from ice dynamics (ridging)" unit="kg/m2/s" />
<field id="vfxres" long_name="ice-ocean mass flux from undiagnosed processes" unit="kg/m2/s" />
<field id="vfxpnd" long_name="ice-ocean mass flux from ice melt ponds" unit="kg/m2/s" />
<field id="vfxsub" long_name="ice-atm. mass flux from ice sublimation" unit="kg/m2/s" />
<field id="vfxsub_err" long_name="ice-ocean mass flux from unbalance in sublimation (incl. in qt_oce_ai)" unit="kg/m2/s" />
<field id="vfxthin" long_name="ice-ocean mass flux from ice growth in open water + thin ice(20cm)" unit="kg/m2/s" />
<field id="vfxsnw" long_name="ice-ocean mass flux from snw melt/growth (neg = growth)" unit="kg/m2/s" />
<field id="vfxsnw_sum" long_name="ice-ocean mass flux from snw surface melt" unit="kg/m2/s" />
<field id="vfxsnw_sni" long_name="ice-ocean mass flux from snow-ice formation" unit="kg/m2/s" />
<field id="vfxsnw_dyn" long_name="ice-ocean mass flux from dynamics (ridging)" unit="kg/m2/s" />
<field id="vfxsnw_sub" long_name="ice-atm. mass flux from snw sublimation" unit="kg/m2/s" />
<field id="vfxsnw_pre" long_name="snw precipitation on ice" unit="kg/m2/s" />
<!-- heat fluxes -->
<field id="hfxbog" long_name="heat flux used for bottom ice growth (neg.)" unit="W/m2" />
<field id="hfxbom" long_name="heat flux used for bottom ice melt (pos.)" unit="W/m2" />
<field id="hfxsum" long_name="heat flux used for surface ice melt" unit="W/m2" />
<field id="hfxopw" long_name="heat flux used for open water ice formation" unit="W/m2" />
<field id="hfxdif" long_name="heat flux used for ice temperature change" unit="W/m2" />
<field id="hfxsnw" long_name="heat flux used for snow melt" unit="W/m2" />
<field id="hfxerr" long_name="heat flux error after heat diffusion" unit="W/m2" />
<!-- heat fluxes associated with mass exchange -->
<field id="hfxthd" long_name="heat fluxes from ice-ocean mass exchange during thermo" unit="W/m2" />
<field id="hfxdyn" long_name="heat fluxes from ice-ocean mass exchange during dynamic" unit="W/m2" />
<field id="hfxres" long_name="heat fluxes from undiagnosed processes" unit="W/m2" />
<field id="hfxsub" long_name="heat fluxes from ice-atm. mass exchange during sublimation" unit="W/m2" />
<field id="hfxspr" long_name="heat fluxes from ice-atm. mass exchange during snow precip" unit="W/m2" />
<field id="hfxsensib" long_name="Net sensible heat flux under sea ice (neg = ice cooling)" standard_name="ice_ocean_heat_flux" unit="W/m2" />
<field id="hfxcndtop" long_name="Net conductive heat flux at the ice surface (neg = ice cooling)" standard_name="conductive_heat_flux_at_sea_ice_surface" unit="W/m2" />
<field id="hfxcndbot" long_name="Net conductive heat flux at the ice bottom (neg = ice cooling)" standard_name="conductive_heat_flux_at_sea_ice_bottom" unit="W/m2" />
<field id="hfxmelt" long_name="Melt heat flux at the ice surface" unit="W/m2" />
<field id="hfxldmelt" long_name="Heat flux in the lead for ice melting" unit="W/m2" />
<field id="hfxldgrow" long_name="Heat flux in the lead for ice growth" unit="W/m2" />
<!-- diags -->
<field id="hfxdhc" long_name="Heat content variation in snow and ice (neg = ice cooling)" unit="W/m2" />
<!-- available if ln_icediachk=T -->
<field id="icedrift_mass" long_name="Ice mass drift (conservation check)" unit="kg/m2/s" />
<field id="icedrift_salt" long_name="Ice salt drift (conservation check)" unit="kg/m2/s" />
<field id="icedrift_heat" long_name="Ice heat drift (conservation check)" unit="W/m2" />
<!-- sbcssm variables -->
<field id="sst_m" unit="degC" />
<field id="sss_m" unit="psu" />
<field id="ssu_m" unit="m/s" />
<field id="ssv_m" unit="m/s" />
<field id="ssh_m" unit="m" />
<field id="e3t_m" unit="m" />
<field id="frq_m" unit="-" />
<!-- rheology convergence tests -->
<field id="uice_cvg" long_name="sea ice velocity convergence" standard_name="sea_ice_velocity_convergence" unit="m/s" />
<!-- ================= -->
<!-- Add-ons for SIMIP -->
<!-- ================= -->
<field id="icemass_cmip" long_name="Sea-ice mass per area" standard_name="sea_ice_amount" detect_missing_value="true" unit="kg/m2" > icemass * icemask + $missval * (1.-icemask ) </field>
<field id="icethic_cmip" long_name="Sea-ice thickness" standard_name="sea_ice_thickness" detect_missing_value="true" unit="m" > icethic * icemask05 + $missval * (1.-icemask05) </field>
<field id="snwmass_cmip" long_name="Snow mass per area" standard_name="liquid_water_content_of_surface_snow" detect_missing_value="true" unit="kg/m2" > snwmass * icemask + $missval * (1.-icemask ) </field>
<field id="snwthic_cmip" long_name="Snow thickness" standard_name="surface_snow_thickness" detect_missing_value="true" unit="m" > snwthic * icemask05 + $missval * (1.-icemask05) </field>
<field id="iceconc_pct" long_name="Sea-ice area fraction in percent" standard_name="sea_ice_area_fraction_in_percent" unit="%" > iceconc * 100. </field>
<field id="iceage_cmip" long_name="Age of sea ice" standard_name="age_of_sea_ice" detect_missing_value="true" unit="days" > iceage * icemask15 + $missval * (1.-icemask15) </field>
<field id="icesalt_cmip" long_name="Sea ice salinity" standard_name="sea_ice_salinity" detect_missing_value="true" unit="g/kg" > icesalt * icemask + $missval * (1.-icemask ) </field>
<field id="icefrb_cmip" long_name="Sea-ice freeboard" standard_name="sea_ice_freeboard" detect_missing_value="true" unit="m" > icefrb * icemask + $missval * (1.-icemask ) </field>
<!-- heat -->
<field id="icettop_cmip" long_name="Surface temperature of sea ice" standard_name="sea_ice_surface_temperature" detect_missing_value="true" unit="K" > (icettop+273.15) * icemask + $missval * (1.-icemask) </field>
<field id="icetsni_cmip" long_name="Temperature at snow-ice interface" standard_name="sea_ice_snow_interface_temperature" detect_missing_value="true" unit="K" > (icetsni+273.15) * icemask + $missval * (1.-icemask) </field>
<field id="icetbot_cmip" long_name="Temperature at ice-ocean interface" standard_name="sea_ice_bottom_temperature" detect_missing_value="true" unit="K" > (icetbot+273.15) * icemask + $missval * (1.-icemask) </field>
<field id="icehc_cmip" long_name="Sea-ice heat content per unit area" standard_name="integral_of_sea_ice_temperature_wrt_depth_expressed_as_heat_content" detect_missing_value="true" unit="J/m2" > icehc * icemask + $missval * (1.-icemask) </field>
<field id="snwhc_cmip" long_name="Snow-heat content per unit area" standard_name="thermal_energy_content_of_surface_snow" detect_missing_value="true" unit="J/m2" > snwhc * icemask + $missval * (1.-icemask) </field>
<!-- fluxes (mass, heat, salt) -->
<field id="vfxsum_cmip" long_name="Freshwater flux from sea-ice surface" standard_name="freshwater_flux_from_ice_surface" detect_missing_value="true" unit="kg/m2/s" > vfxsum * icemask + $missval * (1.-icemask) </field>
<field id="vfxice_cmip" long_name="Freshwater flux from sea ice" standard_name="freshwater_flux_from_ice" detect_missing_value="true" unit="kg/m2/s" > vfxice * icemask + $missval * (1.-icemask) </field>
<field id="hfxsensib_cmip" long_name="Net sensible heat flux under sea ice" standard_name="ice_ocean_heat_flux" detect_missing_value="true" unit="W/m2" > hfxsensib * icemask + $missval * (1.-icemask) </field>
<field id="hfxcndtop_cmip" long_name="Net conductive heat flux at the ice surface" standard_name="conductive_heat_flux_at_sea_ice_surface" detect_missing_value="true" unit="W/m2" > hfxcndtop * icemask + $missval * (1.-icemask) </field>
<field id="hfxcndbot_cmip" long_name="Net conductive heat flux at the ice bottom" standard_name="conductive_heat_flux_at_sea_ice_bottom" detect_missing_value="true" unit="W/m2" > hfxcndbot * icemask + $missval * (1.-icemask) </field>
<field id="sfxice_cmip" long_name="Salt flux from sea ice" standard_name="salt_flux_from_ice" detect_missing_value="true" unit="kg/m2/s" > sfxice * icemask + $missval * (1.-icemask) </field>
<!-- trends -->
<field id="dmithd" long_name="sea-ice mass change from thermodynamics" standard_name="tendency_of_sea_ice_amount_due_to_thermodynamics" unit="kg/m2/s" />
<field id="dmidyn" long_name="sea-ice mass change from dynamics" standard_name="tendency_of_sea_ice_amount_due_to_dynamics" unit="kg/m2/s" />
<field id="dmiopw" long_name="sea-ice mass change through growth in supercooled open water (frazil)" standard_name="tendency_of_sea_ice_amount_due_to_freezing_in_open_water" unit="kg/m2/s" />
<field id="dmibog" long_name="sea-ice mass change through basal growth" standard_name="tendency_of_sea_ice_amount_due_to_congelation_ice_accumulation" unit="kg/m2/s" />
<field id="dmisni" long_name="sea-ice mass change through snow-to-ice conversion" standard_name="tendency_of_sea_ice_amount_due_to_snow_conversion" unit="kg/m2/s" />
<field id="dmtsub" long_name="snow and sea ice mass change through sublimation" standard_name="tendency_of_snow_and_ice_amount_due_to_sublimation" unit="kg/m2/s" />
<field id="dmssub" long_name="sea-ice mass change through evaporation and sublimation" standard_name="water_evaporation_flux" unit="kg/m2/s" />
<field id="dmisub" long_name="snow mass change through evaporation or sublimation" standard_name="surface_snow_sublimation_flux" unit="kg/m2/s" />
<field id="dmisum" long_name="sea-ice mass change through surface melting" standard_name="tendency_of_sea_ice_amount_due_to_surface_melting" unit="kg/m2/s" />
<field id="dmibom" long_name="sea-ice mass change through bottom melting" standard_name="tendency_of_sea_ice_amount_due_to_basal_melting" unit="kg/m2/s" />
<field id="dmilam" long_name="sea-ice mass change through lateral melting" standard_name="tendency_of_sea_ice_amount_due_to_lateral_melting" unit="kg/m2/s" />
<field id="dmsspr" long_name="snow mass change through snow fall" standard_name="snowfall_flux" unit="kg/m2/s" />
<field id="dmsmel" long_name="snow mass change through melt" standard_name="surface_snow_melt_flux" unit="kg/m2/s" />
<field id="dmsdyn" long_name="snow mass change through advection by sea-ice dynamics" standard_name="tendency_of_snow_mass_due_to_sea_ice_dynamics" unit="kg/m2/s" />
<field id="dmsssi" long_name="snow mass change through snow-to-ice conversion" standard_name="tendency_of_snow_mass_due_to_snow_to_ice_conversion" unit="kg/m2/s" />
<!-- momentum (rheology) -->
<field id="uice_cmip" long_name="X-component of sea ice velocity" standard_name="sea_ice_x_velocity" detect_missing_value="true" unit="m/s" > uice * icemask + $missval * (1.-icemask) </field>
<field id="vice_cmip" long_name="Y-component of sea ice velocity" standard_name="sea_ice_y_velocity" detect_missing_value="true" unit="m/s" > vice * icemask + $missval * (1.-icemask) </field>
<field id="icevel_cmip" long_name="Sea-ice speed" standard_name="sea_ice_speed" detect_missing_value="true" unit="m/s" > icevel * icemask + $missval * (1.-icemask) </field>
<field id="utau_ai_cmip" long_name="X-component of atmospheric stress on sea ice" standard_name="surface_downward_x_stress" detect_missing_value="true" unit="N/m2" > utau_ai * icemask + $missval * (1.-icemask) </field>
<field id="vtau_ai_cmip" long_name="Y-component of atmospheric stress on sea ice" standard_name="surface_downward_y_stress" detect_missing_value="true" unit="N/m2" > vtau_ai * icemask + $missval * (1.-icemask) </field>
<field id="dssh_dx" long_name="Sea-surface tilt term in force balance (x-component)" standard_name="sea_surface_tilt_force_on_sea_ice_x" unit="N/m2" />
<field id="dssh_dy" long_name="Sea-surface tilt term in force balance (y-component)" standard_name="sea_surface_tilt_force_on_sea_ice_y" unit="N/m2" />
<field id="corstrx" long_name="Coriolis force term in force balance (x-component)" standard_name="coriolis_force_on_sea_ice_x" unit="N/m2" />
<field id="corstry" long_name="Coriolis force term in force balance (y-component)" standard_name="coriolis_force_on_sea_ice_y" unit="N/m2" />
<field id="intstrx" long_name="Internal stress term in force balance (x-component)" standard_name="internal_stress_in_sea_ice_x" unit="N/m2" />
<field id="intstry" long_name="Internal stress term in force balance (y-component)" standard_name="internal_stress_in_sea_ice_y" unit="N/m2" />
<!-- momentum (advection) -->
<field id="xmtrpice" long_name="X-component of ice mass transport" standard_name="ice_x_transport" grid_ref="grid_U_2D" unit="kg/s" />
<field id="ymtrpice" long_name="Y-component of ice mass transport" standard_name="ice_y_transport" grid_ref="grid_V_2D" unit="kg/s" />
<field id="xmtrpsnw" long_name="X-component of snw mass transport" standard_name="snw_x_transport" grid_ref="grid_U_2D" unit="kg/s" />
<field id="ymtrpsnw" long_name="Y-component of snw mass transport" standard_name="snw_y_transport" grid_ref="grid_V_2D" unit="kg/s" />
<field id="xatrp" long_name="X-component of ice area transport" standard_name="area_x_transport" grid_ref="grid_U_2D" unit="m2/s" />
<field id="yatrp" long_name="Y-component of ice area transport" standard_name="area_y_transport" grid_ref="grid_V_2D" unit="m2/s" />
<field id="xmtrptot" long_name="X-component of sea-ice mass transport" standard_name="sea_ice_x_transport" grid_ref="grid_U_2D" unit="kg/s" > xmtrpice + xmtrpsnw </field>
<field id="ymtrptot" long_name="Y-component of sea-ice mass transport" standard_name="sea_ice_y_transport" grid_ref="grid_V_2D" unit="kg/s" > ymtrpice + ymtrpsnw </field>
<!-- Ice transport through straits" -->
<field id="xmtrpice_ave" long_name="Monthly average of x-ice mass transport" field_ref="xmtrpice" grid_ref="grid_U_2D" freq_op="1mo" freq_offset="_reset_" > @xmtrpice </field>
<field id="xmtrpice_section" grid_ref="grid_U_scalar" > xmtrpice_ave </field>
<field id="xmtrpice_strait" field_ref="xmtrpice_section" grid_ref="grid_U_4strait_ice" />
<field id="xstrait_mifl" field_ref="xmtrpice_strait" grid_ref="grid_U_4strait_ice_hsum" unit="kg/s" detect_missing_value="true" > this * maskMFO_u_ice </field>
<field id="ymtrpice_ave" long_name="Monthly average of y-ice mass transport" field_ref="ymtrpice" grid_ref="grid_V_2D" freq_op="1mo" freq_offset="_reset_" > @ymtrpice </field>
<field id="ymtrpice_section" grid_ref="grid_V_scalar" > ymtrpice_ave </field>
<field id="ymtrpice_strait" field_ref="ymtrpice_section" grid_ref="grid_V_4strait_ice" />
<field id="ystrait_mifl" field_ref="ymtrpice_strait" grid_ref="grid_V_4strait_ice_hsum" unit="kg/s" detect_missing_value="true" > this * maskMFO_v_ice </field>
<field id="xmtrpsnw_ave" long_name="Monthly average of x-snow mass transport" field_ref="xmtrpsnw" grid_ref="grid_U_2D" freq_op="1mo" freq_offset="_reset_" > @xmtrpsnw </field>
<field id="xmtrpsnw_section" grid_ref="grid_U_scalar" > xmtrpsnw_ave </field>
<field id="xmtrpsnw_strait" field_ref="xmtrpsnw_section" grid_ref="grid_U_4strait_ice" />
<field id="xstrait_msfl" field_ref="xmtrpsnw_strait" grid_ref="grid_U_4strait_ice_hsum" unit="kg/s" detect_missing_value="true" > this * maskMFO_u_ice </field>
<field id="ymtrpsnw_ave" long_name="Monthly average of y-snow mass transport" field_ref="ymtrpsnw" grid_ref="grid_V_2D" freq_op="1mo" freq_offset="_reset_" > @ymtrpsnw </field>
<field id="ymtrpsnw_section" grid_ref="grid_V_scalar" > ymtrpsnw_ave </field>
<field id="ymtrpsnw_strait" field_ref="ymtrpsnw_section" grid_ref="grid_V_4strait_ice" />
<field id="ystrait_msfl" field_ref="ymtrpsnw_strait" grid_ref="grid_V_4strait_ice_hsum" unit="kg/s" detect_missing_value="true" > this * maskMFO_v_ice </field>
<field id="xatrp_ave" long_name="Monthly average of x-ice area transport" field_ref="xatrp" grid_ref="grid_U_2D" freq_op="1mo" freq_offset="_reset_" > @xatrp </field>
<field id="xatrp_section" grid_ref="grid_U_scalar" > xatrp_ave </field>
<field id="xatrp_strait" field_ref="xatrp_section" grid_ref="grid_U_4strait_ice" />
<field id="xstrait_arfl" field_ref="xatrp_strait" grid_ref="grid_U_4strait_ice_hsum" unit="kg/s" detect_missing_value="true" > this * maskMFO_u_ice </field>
<field id="yatrp_ave" long_name="Monthly average of y-ice area transport" field_ref="yatrp" grid_ref="grid_V_2D" freq_op="1mo" freq_offset="_reset_" > @yatrp </field>
<field id="yatrp_section" grid_ref="grid_V_scalar" > yatrp_ave </field>
<field id="yatrp_strait" field_ref="yatrp_section" grid_ref="grid_V_4strait_ice" />
<field id="ystrait_arfl" field_ref="yatrp_strait" grid_ref="grid_V_4strait_ice_hsum" unit="m2/s" detect_missing_value="true" > this * maskMFO_v_ice </field>
<field id="strait_mifl" long_name="Sea ice mass flux through straits" standard_name="sea_ice_mass_transport_across_line" unit="kg/s" freq_op="1mo" grid_ref="grid_4strait_ice" > xstrait_mifl + ystrait_mifl </field>
<field id="strait_msfl" long_name="Snow mass flux through straits" standard_name="snow_mass_transport_across_line" unit="kg/s" freq_op="1mo" grid_ref="grid_4strait_ice" > xstrait_msfl + ystrait_msfl </field>
<field id="strait_arfl" long_name="Sea ice area flux through straits" standard_name="sea_area_mass_transport_across_line" unit="m2/s" freq_op="1mo" grid_ref="grid_4strait_ice" > xstrait_arfl + ystrait_arfl </field>
</field_group> <!-- SBC_2D -->
<!-- categories -->
<field_group id="SBC_3D" grid_ref="grid_T_ncatice" >
<!-- standard ice fields -->
<field id="iceconc_cat" long_name="Sea-ice concentration per category" unit="" />
<field id="icethic_cat" long_name="Sea-ice thickness per category" unit="m" detect_missing_value="true" />
<field id="snwthic_cat" long_name="Snow thickness per category" unit="m" detect_missing_value="true" />
<field id="icesalt_cat" long_name="Sea-Ice Bulk salinity per category" unit="g/kg" detect_missing_value="true" />
<field id="icetemp_cat" long_name="Ice temperature per category" unit="degC" detect_missing_value="true" />
<field id="snwtemp_cat" long_name="Snow temperature per category" unit="degC" detect_missing_value="true" />
<field id="icettop_cat" long_name="Ice/snow surface temperature per category" unit="degC" detect_missing_value="true" />
<field id="iceapnd_cat" long_name="Ice melt pond grid fraction per category" unit="" />
<field id="icevpnd_cat" long_name="Ice melt pond volume per grid area per category" unit="m" />
<field id="icehpnd_cat" long_name="Ice melt pond thickness per category" unit="m" detect_missing_value="true" />
<field id="icehlid_cat" long_name="Ice melt pond lid thickness per category" unit="m" detect_missing_value="true" />
<field id="iceafpnd_cat" long_name="Ice melt pond ice fraction per category" unit="" />
<field id="iceaepnd_cat" long_name="Ice melt pond effective fraction per category" unit="" />
<field id="icemask_cat" long_name="Fraction of time step with sea ice (per category)" unit="" />
<field id="iceage_cat" long_name="Ice age per category" unit="days" detect_missing_value="true" />
<field id="icebrv_cat" long_name="Brine volume per category" unit="%" detect_missing_value="true" />
<field id="icealb_cat" long_name="Sea-ice or snow albedo" unit="" detect_missing_value="true" />
<!-- Add-ons for SIMIP -->
<field id="iceconc_cat_cmip" long_name="Sea-ice area fractions in thickness categories" standard_name="sea_ice_area_fraction_over_categories" detect_missing_value="true" unit="" > iceconc_cat * icemask_cat + $missval * (1.-icemask_cat) </field>
<field id="icethic_cat_cmip" long_name="Sea-ice thickness in thickness categories" standard_name="sea_ice_thickness_over_categories" detect_missing_value="true" unit="m" > icethic_cat * icemask_cat + $missval * (1.-icemask_cat) </field>
<field id="snwthic_cat_cmip" long_name="Snow thickness in thickness categories" standard_name="snow_thickness_over_categories" detect_missing_value="true" unit="m" > snwthic_cat * icemask_cat + $missval * (1.-icemask_cat) </field>
<field id="iceconc_cat_pct_cmip" long_name="Sea-ice area fractions in thickness categories" standard_name="sea_ice_area_fraction_over_categories" detect_missing_value="true" unit="%" > iceconc_cat*100. * icemask_cat + $missval * (1.-icemask_cat) </field>
<!-- heat diffusion convergence tests -->
<field id="tice_cvgerr" long_name="sea ice temperature convergence error" standard_name="sea_ice_temperature_convergence_err" unit="K" />
<field id="tice_cvgstp" long_name="sea ice temperature convergence iterations" standard_name="sea_ice_temperature_convergence_stp" unit="" />
</field_group> <!-- SBC_3D -->
<!-- scalar variables -->
<field_group id="SBC_scalar" grid_ref="grid_scalar" >
<field id="NH_iceextt" long_name="Sea ice extent North" standard_name="sea_ice_extent_n" unit="1e6_km2" />
<field id="SH_iceextt" long_name="Sea ice extent South" standard_name="sea_ice_extent_s" unit="1e6_km2" />
<field id="NH_icevolu" long_name="Sea ice volume North" standard_name="sea_ice_volume_n" unit="1e3_km3" />
<field id="SH_icevolu" long_name="Sea ice volume South" standard_name="sea_ice_volume_s" unit="1e3_km3" />
<field id="NH_icearea" long_name="Sea ice area North" standard_name="sea_ice_area_n" unit="1e6_km2" />
<field id="SH_icearea" long_name="Sea ice area South" standard_name="sea_ice_area_s" unit="1e6_km2" />
<!-- available with ln_icediahsb -->
<!-- global forcings -->
<field id="ibgfrcvoltop" long_name="global mean ice/snow forcing at interface ice/snow-atm (volume equivalent ocean volume)" unit="km3" />
<field id="ibgfrcvolbot" long_name="global mean ice/snow forcing at interface ice/snow-ocean (volume equivalent ocean volume)" unit="km3" />
<field id="ibgfrctemtop" long_name="global mean heat on top of ice/snw/ocean-atm " unit="1e20J" />
<field id="ibgfrctembot" long_name="global mean heat below ice (on top of ocean) " unit="1e20J" />
<field id="ibgfrcsal" long_name="global mean ice/snow forcing (salt equivalent ocean volume)" unit="pss*km3" />
<field id="ibgfrchfxtop" long_name="global mean heat flux on top of ice/snw/ocean-atm " unit="W/m2" />
<field id="ibgfrchfxbot" long_name="global mean heat flux below ice (on top of ocean) " unit="W/m2" />
<!-- global drifts (conservation checks) -->
<field id="ibgvolume" long_name="drift in ice/snow volume (equivalent ocean volume)" unit="km3" />
<field id="ibgsaltco" long_name="drift in ice salt content (equivalent ocean volume)" unit="pss*km3" />
<field id="ibgheatco" long_name="drift in ice/snow heat content" unit="1e20J" />
<field id="ibgheatfx" long_name="drift in ice/snow heat flux" unit="W/m2" />
<!-- global contents -->
<field id="ibgvol_tot" long_name="global mean ice volume" unit="km3" />
<field id="sbgvol_tot" long_name="global mean snow volume" unit="km3" />
<field id="ibgarea_tot" long_name="global mean ice area" unit="km2" />
<field id="ibgsalt_tot" long_name="global mean ice salt content" unit="pss*km3" />
<field id="ibgheat_tot" long_name="global mean ice heat content" unit="1e20J" />
<field id="sbgheat_tot" long_name="global mean snow heat content" unit="1e20J" />
<field id="ipbgvol_tot" long_name="global mean ice pond volume" unit="km3" />
<field id="ilbgvol_tot" long_name="global mean ice pond lid volume" unit="km3" />
</field_group>
<!--
============================================================================================================
-->
<!-- output variables for my configuration (example) -->
<field_group id="myvarICE" grid_ref="grid_T_2D" >
<!-- ice mask -->
<field field_ref="icemask" name="simsk" />
<field field_ref="icemask05" name="simsk05" />
<field field_ref="icemask15" name="simsk15" />
<!-- general -->
<field field_ref="snwvolu" name="snvolu" />
<field field_ref="snwthic" name="snthic" />
<field field_ref="icethic" name="sithic" />
<!--
<field field_ref="icethic" name="sithic_max" operation="maximum" />
<field field_ref="icethic" name="sithic_min" operation="minimum" />
-->
<field field_ref="fasticepres" name="fasticepres" />
<field field_ref="icevolu" name="sivolu" />
<field field_ref="iceconc" name="siconc" />
<field field_ref="icesalt" name="sisali" />
<field field_ref="iceapnd" name="siapnd" />
<field field_ref="icehpnd" name="sihpnd" />
<field field_ref="icevpnd" name="sivpnd" />
<field field_ref="iceage" name="siage" />
<field field_ref="sst_m" name="sst_m" />
<field field_ref="sss_m" name="sss_m" />
<!-- heat -->
<field field_ref="icetemp" name="sitemp" />
<field field_ref="snwtemp" name="sntemp" />
<field field_ref="icettop" name="sittop" />
<field field_ref="icetbot" name="sitbot" />
<field field_ref="icetsni" name="sitsni" />
<!-- momentum -->
<field field_ref="uice" name="sivelu" />
<field field_ref="vice" name="sivelv" />
<field field_ref="icevel" name="sivelo" />
<field field_ref="utau_ai" name="utau_ai" />
<field field_ref="vtau_ai" name="vtau_ai" />
<field field_ref="utau_oi" name="utau_oi" />
<field field_ref="vtau_oi" name="vtau_oi" />
<!-- rheology -->
<field field_ref="icediv" name="sidive" />
<field field_ref="iceshe" name="sishea" />
<field field_ref="icestr" name="sistre" />
<field field_ref="normstr" name="normstr" />
<field field_ref="sheastr" name="sheastr" />
<field field_ref="sig1_pnorm" name="sig1_pnorm"/>
<field field_ref="sig2_pnorm" name="sig2_pnorm"/>
<field field_ref="icedlt" name="sidelta" />
<!-- heat fluxes -->
<field field_ref="qt_oce_ai" name="qt_oce_ai" />
<field field_ref="qt_atm_oi" name="qt_atm_oi" />
<field field_ref="qtr_ice_top" name="qtr_ice_top"/>
<field field_ref="qtr_ice_bot" name="qtr_ice_bot"/>
<field field_ref="qt_ice" name="qt_ice" />
<field field_ref="qsr_ice" name="qsr_ice" />
<field field_ref="qns_ice" name="qns_ice" />
<field field_ref="qemp_ice" name="qemp_ice" />
<field field_ref="albedo" name="albedo" />
<field field_ref="icealb" name="icealb" />
<field field_ref="hfxcndtop" name="hfxcndtop" />
<field field_ref="hfxcndbot" name="hfxcndbot" />
<field field_ref="hfxsensib" name="hfxsensib" />
<field field_ref="icehc" name="icehc" />
<field field_ref="snwhc" name="snwhc" />
<field field_ref="hfxbog" name="hfxbog" />
<field field_ref="hfxbom" name="hfxbom" />
<field field_ref="hfxsum" name="hfxsum" />
<field field_ref="hfxopw" name="hfxopw" />
<field field_ref="hfxdif" name="hfxdif" />
<field field_ref="hfxsnw" name="hfxsnw" />
<field field_ref="hfxerr" name="hfxerr" />
<field field_ref="hfxthd" name="hfxthd" />
<field field_ref="hfxdyn" name="hfxdyn" />
<field field_ref="hfxres" name="hfxres" />
<field field_ref="hfxsub" name="hfxsub" />
<field field_ref="hfxspr" name="hfxspr" />
<!--
<field field_ref="hfxdhc" name="hfxbudget" operation="average" freq_op="1d" > @qt_atm_oi - @qt_oce_ai -@hfxdhc </field>
-->
<!-- salt fluxes -->
<field field_ref="sfxice" name="sfxice" />
<!-- mass fluxes -->
<field field_ref="vfxice" name="vfxice" />
<field field_ref="vfxsnw" name="vfxsnw" />
<field field_ref="vfxbom" name="vfxbom" />
<field field_ref="vfxbog" name="vfxbog" />
<field field_ref="vfxsum" name="vfxsum" />
<field field_ref="vfxopw" name="vfxopw" />
<field field_ref="vfxlam" name="vfxlam" />
<field field_ref="vfxsni" name="vfxsni" />
<field field_ref="vfxdyn" name="vfxdyn" />
<field field_ref="vfxres" name="vfxres" />
<field field_ref="vfxpnd" name="vfxpnd" />
<field field_ref="vfxsub" name="vfxsub" />
<field field_ref="vfxsub_err" name="vfxsub_err" />
<field field_ref="vfxthin" name="vfxthin" />
</field_group>
<field_group id="myvarICE_cat" grid_ref="grid_T_ncatice" >
<!-- categories -->
<field field_ref="icemask_cat" name="simskcat"/>
<field field_ref="snwthic_cat" name="snthicat"/>
<field field_ref="iceconc_cat" name="siconcat"/>
<field field_ref="icethic_cat" name="sithicat"/>
<field field_ref="icesalt_cat" name="sisalcat"/>
<field field_ref="icetemp_cat" name="sitemcat"/>
<field field_ref="snwtemp_cat" name="sntemcat"/>
<field field_ref="icettop_cat" name="sitopcat"/>
</field_group>
<!--============================-->
<!-- CONSERVATION diagnostics -->
<!--============================-->
<field_group id="ICE_globalbudget" grid_ref="grid_scalar" >
<field field_ref="ibgvol_tot" name="ibgvol_tot" />
<field field_ref="sbgvol_tot" name="sbgvol_tot" />
<field field_ref="ibgarea_tot" name="ibgarea_tot" />
<field field_ref="ibgsalt_tot" name="ibgsalt_tot" />
<field field_ref="ibgheat_tot" name="ibgheat_tot" />
<field field_ref="sbgheat_tot" name="sbgheat_tot" />
<field field_ref="ipbgvol_tot" name="ipbgvol_tot" />
<field field_ref="ilbgvol_tot" name="ilbgvol_tot" />
</field_group>
<field_group id="ICE_budget" grid_ref="grid_T_2D" >
<!-- general -->
<field field_ref="icemask" name="simsk" />
<field field_ref="iceconc" name="siconc" />
<field field_ref="icetemp" name="sitemp" />
<field field_ref="snwtemp" name="sntemp" />
<field field_ref="icettop" name="sittop" />
<field field_ref="icetbot" name="sitbot" />
<!-- heat fluxes -->
<field field_ref="qt_oce_ai" name="qt_oce_ai" />
<field field_ref="qt_atm_oi" name="qt_atm_oi" />
<field field_ref="qtr_ice_top" name="qtr_ice_top"/>
<field field_ref="qtr_ice_bot" name="qtr_ice_bot"/>
<field field_ref="qt_ice" name="qt_ice" />
<field field_ref="qsr_ice" name="qsr_ice" />
<field field_ref="qns_ice" name="qns_ice" />
<field field_ref="qemp_ice" name="qemp_ice" />
<field field_ref="hfxsub" name="hfxsub" />
<field field_ref="hfxspr" name="hfxspr" />
<field field_ref="hfxcndtop" name="hfxcndtop" />
<field field_ref="hfxcndbot" name="hfxcndbot" />
<field field_ref="hfxsensib" name="hfxsensib" />
<field field_ref="hfxmelt" name="hfxmelt" />
<field field_ref="hfxldmelt" name="hfxldmelt" />
<field field_ref="hfxldgrow" name="hfxldgrow" />
<!-- salt fluxes -->
<field field_ref="sfxice" name="sfxice" />
<!-- mass fluxes -->
<field field_ref="vfxice" name="vfxice" />
<field field_ref="vfxsnw" name="vfxsnw" />
<field field_ref="vfxpnd" name="vfxpnd" />
<field field_ref="vfxsub" name="vfxsub" />
<field field_ref="vfxsub_err" name="vfxsub_err" />
<field field_ref="vfxsnw_sub" name="vfxsnw_sub" />
<field field_ref="vfxsnw_pre" name="vfxsnw_pre" />
</field_group>
<!--============================-->
<!-- SIMIP sea ice field groups -->
<!-- Notz et al 2016 -->
<!--============================-->
<!-- SIMIP monthly scalar variables -->
<field_group id="SImon_scalars" grid_ref="grid_scalar" >
<!-- Integrated quantities -->
<field field_ref="NH_iceextt" name="siextentn" />
<field field_ref="SH_iceextt" name="siextents" />
<field field_ref="NH_icevolu" name="sivoln" />
<field field_ref="SH_icevolu" name="sivols" />
<field field_ref="NH_icearea" name="siarean" />
<field field_ref="SH_icearea" name="siareas" />
</field_group>
<!-- SIMIP daily fields -->
<field_group id="SIday_fields" grid_ref="grid_T_2D" >
<field field_ref="icepres" name="sitimefrac" />
<field field_ref="iceconc_pct" name="siconc" />
<field field_ref="icethic_cmip" name="sithick" />
<field field_ref="snwthic_cmip" name="sisnthick" />
<field field_ref="icettop_cmip" name="sitemptop" />
<field field_ref="uice_cmip" name="siu" />
<field field_ref="vice_cmip" name="siv" />
<field field_ref="icevel_cmip" name="sispeed" />
</field_group>
<!-- SIMIP monthly fields -->
<field_group id="SImon_fields" grid_ref="grid_T_2D" >
<!-- Sea-ice state variables -->
<field field_ref="icepres" name="sitimefrac" />
<field field_ref="iceconc_pct" name="siconc" />
<field field_ref="icemass_cmip" name="simass" />
<field field_ref="icethic_cmip" name="sithick" />
<field field_ref="icevolu" name="sivol" />
<field field_ref="snwmass_cmip" name="sisnmass" />
<field field_ref="snwthic_cmip" name="sisnthick" />
<!-- additional state variables-->
<field field_ref="icettop_cmip" name="sitemptop" />
<field field_ref="icetsni_cmip" name="sitempsnic" />
<field field_ref="icetbot_cmip" name="sitempbot" />
<field field_ref="iceage_cmip" name="siage" />
<field field_ref="icesalm" name="sisaltmass" />
<field field_ref="icesalt_cmip" name="sisali" />
<field field_ref="icefrb_cmip" name="sifb" />
<field field_ref="icehc_cmip" name="sihc" />
<field field_ref="snwhc_cmip" name="sisnhc" />
<!-- freshwater fluxes -->
<field field_ref="vfxice_cmip" name="siflfwbot" />
<field field_ref="vfxsum_cmip" name="siflfwdrain" />
<!-- area balance -->
<field field_ref="afxthd" name="sidconcth" />
<field field_ref="afxdyn" name="sidconcdyn" />
<!-- mass balance -->
<field field_ref="dmithd" name="sidmassth" />
<field field_ref="dmidyn" name="sidmassdyn" />
<field field_ref="dmiopw" name="sidmassgrowthwat" />
<field field_ref="dmibog" name="sidmassgrowthbot" />
<field field_ref="dmisni" name="sidmasssi" />
<field field_ref="dmisub" name="sidmassevapsubl" />
<field field_ref="dmisum" name="sidmassmelttop" />
<field field_ref="dmibom" name="sidmassmeltbot" />
<field field_ref="dmilam" name="sidmassmeltlat" />
<field field_ref="dmsspr" name="sndmasssnf" />
<field field_ref="dmsmel" name="sndmassmelt" />
<field field_ref="dmssub" name="sndmasssubl" />
<field field_ref="dmsdyn" name="sndmassdyn" />
<field field_ref="dmsssi" name="sndmasssi" />
<!-- heat balance -->
<field field_ref="hfxsensib" name="siflsensupbot" />
<field field_ref="hfxcndtop" name="siflcondtop" />
<field field_ref="hfxcndbot" name="siflcondbot" />
<!-- salt balance -->
<field field_ref="sfxice_cmip" name="siflsaltbot" />
<!-- sea-ice dynamics -->
<field field_ref="uice_cmip" name="siu" />
<field field_ref="vice_cmip" name="siv" />
<field field_ref="icevel_cmip" name="sispeed" />
<field field_ref="utau_ai_cmip" name="sistrxdtop" />
<field field_ref="vtau_ai_cmip" name="sistrydtop" />
<field field_ref="utau_oi" name="sistrxubot" />
<field field_ref="vtau_oi" name="sistryubot" />
<field field_ref="icestr" name="sicompstren" />
<field field_ref="dssh_dx" name="siforcetiltx" />
<field field_ref="dssh_dy" name="siforcetilty" />
<field field_ref="corstrx" name="siforcecoriolx" />
<field field_ref="corstry" name="siforcecorioly" />
<field field_ref="intstrx" name="siforceintstrx" />
<field field_ref="intstry" name="siforceintstry" />
<field field_ref="xmtrptot" name="sidmasstranx" />
<field field_ref="ymtrptot" name="sidmasstrany" />
<field field_ref="normstr" name="sistresave" operation="instant" />
<field field_ref="sheastr" name="sistremax" operation="instant" />
<field field_ref="icediv" name="sidivvel" operation="instant" />
<field field_ref="iceshe" name="sishevel" operation="instant" />
<!-- sea ice fluxes across straits: 2D arrays to be post-processed -->
<field field_ref="xmtrpice" name="simassacrossline_x" />
<field field_ref="ymtrpice" name="simassacrossline_y" />
<field field_ref="xmtrpsnw" name="snmassacrossline_x" />
<field field_ref="ymtrpsnw" name="snmassacrossline_y" />
<field field_ref="xatrp" name="siareaacrossline_x" />
<field field_ref="yatrp" name="siareaacrossline_y" />
<!-- category-dependent fields -->
<field field_ref="iceconc_cat_pct_cmip" name="siitdconc" />
<field field_ref="icethic_cat_cmip" name="siitdthick" />
<field field_ref="snwthic_cat_cmip" name="siitdsnthick" />
</field_group>
</field_group> <!-- SBC -->
</field_definition>