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This confluence page provides information on the SUMMIT 1km NDJF seasonal run dataset performed on the Oak Ridge supercomputer, and serves as a test dataset for the Destination Earth project.

Temporal resolution

The output is at 3 hourly resolution. For the purposes of this sample, steps [0, 3, 6, 9, 12, 15, 18, 21, 24, 27] have been made available. The run start date and time is 2018-11-01, 00:00:00.

Surface fields

The parameters at surface level are as follows:

paramId	shortName	Name	units
31	ci	Sea ice area fraction	(0 - 1)
33	rsn	Snow density	kg m**-3
34	sst	Sea surface temperature	K
47	dsrp	Direct solar radiation	J m**-2
78	tclw	Total column cloud liquid water	kg m**-2
79	tciw	Total column cloud ice water	kg m**-2
129	z	Geopotential	m2 s-2
136	tcw	Total column water	kg m**-2
137	tcwv	Total column vertically-integrated water vapour	kg m**-2
145	bld	Boundary layer dissipation	J m**-2
146	sshf	Surface sensible heat flux	J m**-2
147	slhf	Surface latent heat flux	J m**-2
151	msl	Mean sea level pressure	Pa
172	lsm	Land-sea mask	(0 - 1)
180	ewss	Eastward turbulent surface stress	N m**-2 s
181	nsss	Northward turbulent surface stress	N m**-2 s
189	sund	Sunshine duration	s
235	skt	Skin temperature	K
238	tsn	Temperature of snow layer	K
3020	vis	Visibility	m
260015	ptype	Precipitation type	code table (4.201)
260052	lssrwe	Large scale snowfall rate water equivalent	kg m-2 s-1
260121	kx	K index	K
260123	totalx	Total totals index	K

Model level fields

The parameters on model levels (1 to 137; with model level 137 representing the lowest height) are as follows:

paramId	shortName	Name	units
54	pres	Pressure	Pa
77	etadot	Eta-coordinate vertical velocity	s**-1
129	z	Geopotential	m2 s-2
130	t	Temperature	K
138	vo	Vorticity (relative)	s**-1
152	lnsp	Logarithm of surface pressure	~
155	d	Divergence	s**-1
260238	wz	Geometric vertical velocity	m s**-1
75	crwc	Specific rain water content	kg kg**-1
76	cswc	Specific snow water content	kg kg**-1
133	q	Specific humidity	kg kg**-1
246	clwc	Specific cloud liquid water content	kg kg**-1
247	ciwc	Specific cloud ice water content	kg kg**-1
248	cc	Fraction of cloud cover	(0 - 1)

Pressure levels

The parameters on pressure levels (1, 2, 3, 5, 7, 10, 20, 30, 50, 70, 100, 150, 200, 250, 300, 400, 500, 700, 850, 925, 1000) are as follows:

paramId	shortName	Name	units
129	z	Geopotential	m2 s-2
130	t	Temperature	K
135	w	Vertical velocity	Pa s**-1
138	vo	Vorticity (relative)	s**-1
155	d	Divergence	s**-1
157	r	Relative humidity	%
260238	wz	Geometric vertical velocity	m s**-1
60	pv	Potential vorticity	K m2 kg-1 s**-1
133	q	Specific humidity	kg kg**-1