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Table 1: stream=oper/mnth/moda, levtype=sfc: surface parameters: instantaneous

	name	units	Variable name in CDS	shortName	paramId	an	fc	GRIB1	GRIB2	Used as forcing field
1	Lake mix-layer temperature	K	lake_mix_layer_temperature	lmlt	228008	x		x
2	Lake mix-layer depth	m	lake_mix_layer_depth	lmld	228009	x		x
3	Lake bottom temperature	K	lake_bottom_temperature	lblt	228010	x		x
4	Lake total layer temperature	K	lake_total_layer_temperature	ltlt	228011	x		x
5	Lake shape factor	dimensionless	lake_shape_factor	lshf	228012	x		x
6	Lake ice temperature	K	lake_ice_temperature	lict	228013	x		x
7	Lake ice depth	m	lake_ice_depth	licd	228014	x		x
8	Snow cover	%	snow_cover	snowc	260038		x		x
9	Snow depth	m	snow_depth	sde	3066		x		x
10	Snow albedo	(0 - 1)	snow_albedo	asn	32	x		x
11	Snow density	kg m**-3	snow_density	rsn	33	x		x
12	Volumetric soil water layer 1¹	m3 m-3	volumetric_soil_water_layer_1	swvl1	39	x		x
13	Volumetric soil water layer 2¹	m3 m-3	volumetric_soil_water_layer_2	swvl2	40	x		x
14	Volumetric soil water layer 3¹	m3 m-3	volumetric_soil_water_layer_3	swvl3	41	x		x
15	Volumetric soil water layer 4¹	m3 m-3	volumetric_soil_water_layer_4	swvl4	42	x		x
16	Leaf area index, low vegetation	m2 m-2	leaf_area_index_low_vegetation	lai_lv	66		x	x
17	Leaf area index, high vegetation	m2 m-2	leaf_area_index_high_vegetation	lai_hv	67		x	x
18	Surface pressure	Pa	surface_pressure	sp	134		x	x		x
19	Soil temperature level 1¹	K	soil_temperature_level_1	stl1	139	x		x
20	Snow depth water equivalent	m of water equivalent	snow_depth_water_equivalent	sd	141	x		x
21	10 metre U wind component	m s**-1	10m_u_component_of_wind	u10	165		x	x		x
22	10 metre V wind component	m s**-1	10m_v_component_of_wind	v10	166		x	x		x
23	2 metre temperature	K	2m_temperature	2t	167		x	x
24	2 metre dewpoint temperature	K	2m_dewpoint_temperature	2d	168		x	x
25	Soil temperature level 2¹	K	soil_temperature_level_2	stl2	170	x		x
26	Soil temperature level 3¹	K	soil_temperature_level_3	stl3	183	x		x
27	Skin reservoir content	m of water equivalent	skin_reservoir_content	src	198	x
28	Skin temperature	K	skin_temperature	skt	235	x		x
29	Soil temperature level 4¹	K	soil_temperature_level_4	stl4	236	x		x
30	Temperature of snow layer	K	temperature_of_snow_layer	tsn	238	x		x
31	Forecast albedo	(0 - 1)	forecast_albedo	fal	243		x	x

¹

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title	Soil levels

Layer	Range
Layer 1	0 - 7 cm
Layer 2	7 - 28 cm
Layer 3	28 - 100 cm
Layer 4	100 - 289 cm

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Table 2: stream=oper/mnth/moda, levtype=sfc: surface parameters: accumulations

	name	units	Variable name in CDS	shortName	paramId	an	fc	GRIB1	GRIB2	Used as forcing field
1	Surface runoff	m	surface_runoff	sro	8		x	x
2	Sub-surface runoff	m	sub_surface_runoff	ssro	9		x	x
3	Snow evaporation Snowmelt	m of water equivalent	es	44	x	x	snowmelt	4	Snowmelt	m of water equivalent	smlt	45	x	x
54	Snowfall	m of water equivalent	snowfall	sf	144		x	x		x
65	Surface sensible heat flux	J m**-2	surface_sensible_heat_flux	sshf	146		x	x
76	Surface latent heat flux	J m**-2	surface_latent_heat_flux	slhf	147		x	x
87	Surface solar radiation downwards	J m**-2	surface_solar_radiation_downwards	ssrd	169		x	x		x
98	Surface thermal radiation downwards	J m**-2	surface_thermal_radiation_downwards	strd	175		x	x		x
109	Surface net solar radiation	J m**-2	surface_net_solar_radiation	ssr	176		x	x		x
1110	Surface net thermal radiation	J m**-2	surface_net_thermal_radiation	str	177		x	x		x
1211	Total Evaporation	m of water equivalent	total_evaporation	e	182		x	x
1312	Runoff	m	runoff	ro	205		x	x
1413	Total precipitation	m	total_precipitation	tp	228		x	x		x
1514	Evaporation from the top of canopy	m of water equivalent	evaporation_from_the_top_of_canopy	evatc	228100		x		x
1615	Evaporation from bare soil	m of water equivalent	evaporation_from_bare_soil	evabs	228101		x		x
1716	Evaporation from open water surfaces excluding oceans	m of water equivalent	evaporation_from_open_water_surfaces_excluding_oceans	evaow	228102		x		x
1817	Evaporation from vegetation transpiration	m of water equivalent	evaporation_from_vegetation_transpiration	evavt	228103		x		x
1918	Potential evaporation	m	potential_evaporation	pev	228251		x	x

Accumulations are described in section 140385203. The accumulations in monthly means (stream=moda/mnth) are described in section monthly means

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Further ERA5-Land references and related information are available from the ECMWF e-Library.

Muñoz-Sabater, J., Dutra, E., Agustí-Panareda, A., Albergel, C., Arduini, G., Balsamo, G., Boussetta, S., Choulga, M., Harrigan, S., Hersbach, H., Martens, B., Miralles, D. G., Piles, M., Rodríguez-Fernández, N. J., Zsoter, E., Buontempo, C., and Thépaut, J.-N.: ERA5-Land: A state-of-the-art global reanalysis dataset for land applications, Earth Syst. Sci. Data Discuss. [preprint], https://doi.org/10.5194/essd-2021-82, in review, 2021.

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This document has been produced in the context of the Copernicus Climate Change Service (C3S).

The activities leading to these results have been contracted by the European Centre for Medium-Range Weather Forecasts, operator of C3S on behalf of the European Union (Delegation agreement signed on 11/11/2014). All information in this document is provided "as is" and no guarantee or warranty is given that the information is fit for any particular purpose.

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This document has been produced in the context of the Copernicus Climate Change Service (C3S).

The users thereof use the information at their sole risk and liability. For the avoidance of all doubt, the European Commission and the European Centre for Medium-Range Weather Forecasts have no liability in respect of this document, which is merely representing the author's view.