Reference soil Greenland 03: Cryosol

GL003

Distribution of Cryosols

WRB 2006:

Histic Turbic Cryosol(Dystric Arenic)
0-30 cm	histic horizon
	organic material

FAO-UNESCO-ISRIC 1988:

FAO-UNESCO 1974:

Dystri-

Gelic Cambisol

gelundic phase

Gelic Cambisol

0-30 cm	histic H horizon
	permafrost

Other classification

USDA-SCS (1975)

Cryosaprist

frigid

Location:

Angmagssalik District, Southeast Greenland

Physical

Particle size distribution:

Depth (cm)		Gravel (%)	Very Coarse Sand (%)	Coarse Sand (%)	Medium Sand (%)	Fine Sand (%)	Very Fine Sand (%)	Total Sand (%)	Coarse Silt (%)	Fine Silt (%)	Total Silt (%)	Clay (%)
0-5	:	12	-	-	-	-	-	-	-	-	-	-
15-18	:	17	-	-	-	-	-	-	2.4	1.5	-	0.9
25-35	:	5	-	-	-	-	-	-	-	-	-	-
40-	:	68	-	-	-	-	-	-	1.9	0.6	-	2.3

Other physical data

Depth (cm)		Bulk Density (kg/dm³)	Spec. Surf. Area (m2/g)	COLE (cm/cm)	Water Disp. Clay (%)	Clay (%)
0-5	:	-	-	-	-	-
15-18	:	-	-	-	-	0.9
25-35	:	-	-	-	-	-
40-	:	-	-	-	-	2.3

Chemical characteristics:

Depth (cm)		pH H2O	pH KCl	EC 1 : 2.5 (mS/cm)	CaCO3 (%)	Org. C (%)	Org. N (%)	C / N	Exch. Acid (cmol/kg)	Exch. Al (cmol/kg)	Ca (cmol/kg)	Mg (cmol/kg)	K (cmol/kg)	Na (cmol/kg)	Sum Cations (cmol/kg)
0-5	:	4.9	4.0	0.06	-	12.10	-	-	-	-	2.0	1.9	2.3	0.9	-
15-18	:	5.7	4.5	0.01	-	2.30	-	-	-	-	0.6	0.3	0.2	0.3	-
25-35	:	5.6	4.5	0.01	-	19.50	-	-	-	-	0.6	0.7	0.3	0.5	-
40-	:	5.7	4.5	0.01	-	1.20	-	-	-	-	0.2	0.1	0.1	0.4	-

Depth (cm)		CEC Soil (cmol/kg)	CEC Clay (cmol/kg)	CEC Org (cmol/kg)	ECEC (cmol/kg)	Base sat. (%)	Al sat. (%)	ESP (%)
0-5	:	-	-	39.4	-	-	-	3
15-18	:	-	-	8.1	-	-	-	2
25-35	:	-	-	46.4	-	-	-	2
40-	:	-	-	4.2	-	-	-	4

Depth (cm)		pH NaF	P Retention (%)	ODOE	Melanic Index	Fe o (wt%)	Al o (wt%)	Si o (wt%)	Fe d (wt%)	Al d (wt%)	Fe p (wt%)	Al p (wt%)	C p (wt%)
0-5	:	7.9	-	-	-	0.81	0.42	-	0.91	0.24	0.21	0.70	-
15-18	:	9.4	-	-	-	1.03	0.44	-	0.99	0.31	0.18	0.31	-
25-35	:	9.7	-	-	-	0.89	0.71	-	1.32	0.58	0.41	0.58	-
40-	:	9.1	-	-	-	0.79	0.40	-	0.68	0.25	0.08	0.47	-

Depth (cm)		P Olsen (mg/kg)	P Bray (mg/kg)	pH CaCl2	CaSO4.2H2O (%)
0-5	:	-	-	4.2	-
15-18	:	-	-	4.6	-
25-35	:	-	-	4.5	-
40-	:	-	-	4.7	-

Elemental composition of the soil:

Depth (cm)		SiO2 (wt%)	Al2O3 (wt%)	Fe2O3 (wt%)	CaO (wt%)	MgO (wt%)	K2O (wt%)	Na2O (wt%)	TiO2 (wt%)
0-5	:	53.4	18.6	10.0	6.39	5.53	0.40	-	1.41
15-18	:	52.5	18.4	10.7	6.70	5.90	0.36	-	1.30
25-35	:	53.1	19.3	10.3	6.21	4.90	0.40	-	1.46
40-	:	54.2	20.2	9.0	5.69	4.21	0.59	-	1.57

Elemental composition of the soil:

Depth (cm)		MnO2 (wt%)	P2O5 (wt%)	LOI (wt%)	SiO2 / Al2O3 (mol/mol)	SiO2 / Fe2O3 (mol/mol)	SiO2 / R (mol/mol)	Al2O3 / Fe2O3 (mol/mol)
0-5	:	0.10	0.46	-	4.9	14.2	3.6	2.9
15-18	:	0.11	0.72	-	4.9	13.1	3.5	2.7
25-35	:	0.09	0.44	-	4.7	13.7	3.5	2.9
40-	:	0.09	0.08	-	4.6	16.0	3.5	3.5

Clay mineralogy:

Depth (cm)		Kaolinite	Mica / illite	Vermiculite	Chlorite	Smec	Halloysite	Mixed layer	Quar	Feldspar	Gibbsite	Goethite	Hematite
0-5	:	-	-	-	-	-	-	-	-	-	-	-	-
15-18	:	medium	-	large	-	small	-	medium	medium	medium	-	-	-
25-35	:	-	-	-	-	-	-	-	-	-	-	-	-
40-	:	medium	small	medium	-	medium	-	large	medium	medium	-	-	-

Rare clay minerals:

Depth (cm)		Pyroxene	Amphibole	Calcite	Lepidocrocite	Pyrophyllite	Weddelite	Augite
0-5	:	-	-	-	-	-	-	-
15-18	:	medium	small	-	-	-	-	-
25-35	:	-	-	-	-	-	-	-
40-	:	small	-	-	-	-	-	-

Profile description:

Oi 0-5 cm	(10YR 2/3, dry), organic slightly, porous massive, highly porous (>60 vol%), abrupt smooth boundary to,
Ah@ 5-40 cm	dark yellowish brown (10YR 3/4, dry) very dark brown (7.5YR 2/2, moist), coarse sand slightly gravelly, very weak medium crumb, loose non sticky non plastic, abrupt irregular boundary to,
Oe@ 5-40 cm	(10YR 2/3, dry) (7.5YR 2/1, moist), medium sand organic moderately, weak angular blocky, firm sticky slightly plastic, abrupt irregular boundary to,
cm	dark yellowish brown (10YR 4/4, dry) (7.5YR 2/3, moist), coarse sand slightly gravelly, porous massive, weathered charnocite fragments

The main parent rock/ material over which the soil has been formed (1st entry)	organic material
Mode of Accumulation or deposition of parent material (1st entry)	organic
Texture of parent material (1st entry)	organic
The main parent rock/ material over which the soil has been formed (2nd entry)	granite
Remarks on Parent Materials	charnocite

Current land use at the site	(semi-)natural vegetation
Vegetation Type;The natural vegetation at the site	tundra
Remarks on Land Use / Vegetation	Vegetation: Empetrum-Vaccinium community (Drephanoclades type)

The altitude of the soil profile relative to mean sea level, specified in meters	40 m asl
Regional landform	fluvio-glacial terrace
Topography of the surrounding country	hilly
Physiographic Unit in the immediate surrounding of the site	solifluction terrace
The slope refers to the inclination of the land immediately surrounding the site. The measured or estimated slope angle is specified to the nearest per cent	8 %
The physiographic position of the site where the profile is located	lower slope
Form of the slope surrounding the site	concave
Slope Aspect of the site	north-east

Flooding frequency	never
Drainage Class	well

Microrelief type: small-scale differences in relief in the direct vicinity of the site	frost polygons
Microrelief Height	25
Stoniness	very few stones
Evidence of salt	non-saline
Evidence of alkali	non-alkaline

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