Reference soil France 11: Albeluvisol

FR011

Distribution of Albeluvisols

WRB 2006:

WRB 1998:

Stagnic Albeluvisol(Ferric Hyperdystric Siltic)

Ferri- Stagnic Albeluvisol(Siltic)

Other classification

Classification (other)

Sol lessivé glossique à fragipan

Location:

Département Ardennes, 7km W of Rocroi, Bois des Hingues

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 (%)
1-6	:	-	-	-	-	-	-	-	-	-	-	-
6-13	:	-	1.0	0.6	0.5	1.2	1.4	-	25.3	31.2	56.5	39.1
13-27	:	-	0.1	0.3	0.5	1.6	1.5	-	31.2	36.3	67.5	28.6
30-41	:	-	0.4	0.6	0.6	1.5	1.4	-	26.9	35.1	62.0	33.5
41-78	:	-	0.4	0.8	0.7	1.9	2.2	-	24.9	28.7	53.6	30.3
78-116	:	-	0.2	0.8	1.0	2.4	2.6	-	35.8	33.2	69.0	24.1
116-134	:	-	0.2	0.6	0.7	2.0	2.3	-	38.2	31.8	70.0	24.3

Other physical data

Depth (cm)		Bulk Density (kg/dm³)	Spec. Surf. Area (m2/g)	COLE (cm/cm)	Water Disp. Clay (%)	Clay (%)
1-6	:	-	-	-	-	-
6-13	:	-	-	-	-	39.1
13-27	:	-	-	-	-	28.6
30-41	:	-	-	-	-	33.5
41-78	:	-	-	-	-	30.3
78-116	:	-	-	-	-	24.1
116-134	:	-	-	-	-	24.3

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)
1-6	:	4.3	3.3	-	-	-	-	-	-	-	-	-	-	-	-
6-13	:	3.9	3.3	-	-	9.28	-	-	-	-	0.1	0.5	0.3	0.0	-
13-27	:	4.3	3.8	-	-	6.17	-	-	-	-	0.1	0.0	0.1	0.0	-
30-41	:	4.6	4.0	-	-	1.75	-	-	-	-	0.0	0.0	0.1	0.0	-
41-78	:	4.6	3.9	-	-	0.65	-	-	-	-	0.3	0.0	0.1	0.0	-
78-116	:	4.9	3.8	-	-	0.25	-	-	-	-	0.8	0.2	0.2	0.0	-
116-134	:	5.2	3.7	-	-	0.28	-	-	-	-	6.1	0.9	0.2	0.0	-

Depth (cm)		CEC Soil (cmol/kg)	CEC Clay (cmol/kg)	CEC Org (cmol/kg)	ECEC (cmol/kg)	Base sat. (%)	Al sat. (%)	ESP (%)
1-6	:	-	-	-	-	-	-	-
6-13	:	46.3	-	32.5	-	-	-	0
13-27	:	31.4	-	21.6	-	-	-	0
30-41	:	8.2	-	6.1	-	-	-	0
41-78	:	14.7	-	2.3	-	-	-	0
78-116	:	13.8	-	0.9	-	-	-	0
116-134	:	14.7	-	1.0	-	-	-	0

Depth (cm)		pH NaF	P Retention (%)	ODOE	Melanic Index	Fe o (wt%)	Al o (wt%)	Fe d (wt%)	Al d (wt%)	Fe p (wt%)	Al p (wt%)	C p (wt%)
1-6	:	-	-	-	-	0.25	0.16	0.43	0.16	0.09	0.29	-
6-13	:	-	-	-	-	0.52	0.38	0.70	0.33	0.45	0.56	-
13-27	:	-	-	-	-	0.28	0.46	0.32	0.38	0.22	0.53	-
30-41	:	-	-	-	-	0.47	0.39	1.32	0.30	0.15	0.54	-
41-78	:	-	-	-	-	0.40	0.33	1.98	0.37	0.29	0.52	-
78-116	:	-	-	-	-	0.57	0.30	1.69	0.26	0.12	0.34	-
116-134	:	-	-	-	-	0.61	0.20	0.45	0.18	0.10	0.23	-

Elemental composition of the clay:

Depth (cm)		SiO2 (wt%)	Al2O3 (wt%)	Fe2O3 (wt%)	CaO (wt%)	MgO (wt%)	K2O (wt%)	Na2O (wt%)	TiO2 (wt%)
1-6	:	-	-	-	-	-	-	-	-
6-13	:	48.9	25.4	6.5	0.40	1.20	2.10	-	1.30
13-27	:	48.5	27.3	4.6	0.00	1.20	2.40	-	1.40
30-41	:	49.2	27.3	5.2	0.00	1.50	2.50	-	1.20
41-78	:	47.3	25.1	12.6	0.00	1.80	2.30	-	1.00
78-116	:	49.4	23.9	10.0	0.00	1.90	2.60	-	1.00
116-134	:	50.7	24.0	9.7	0.00	1.90	2.70	-	1.10

Elemental composition of the clay:

Depth (cm)		MnO2 (wt%)	P2O5 (wt%)	Ign.Loss clay (wt%)	Total clay (%)	SiO2 / Al2O3 (mol/mol)	SiO2 / Fe2O3 (mol/mol)	SiO2 / R (mol/mol)	Al2O3 / Fe2O3 (mol/mol)
1-6	:	-	-	-	-	-	-	-	-
6-13	:	0.00	1.00	11.7	98.5	3.3	20.0	2.8	6.1
13-27	:	0.00	0.70	12.0	98.1	3.0	28.0	2.7	9.3
30-41	:	0.00	0.40	10.1	97.4	3.1	25.1	2.7	8.2
41-78	:	0.00	0.20	9.0	99.3	3.2	10.0	2.4	3.1
78-116	:	0.10	0.20	8.6	97.7	3.5	13.1	2.8	3.7
116-134	:	0.10	0.20	8.2	98.6	3.6	13.9	2.8	3.9

Elemental composition of the soil:

Depth (cm)		SiO2 (wt%)	Al2O3 (wt%)	Fe2O3 (wt%)	CaO (wt%)	MgO (wt%)	K2O (wt%)	Na2O (wt%)	TiO2 (wt%)
1-6	:	-	-	-	-	-	-	-	-
6-13	:	67.6	7.0	1.7	0.14	0.27	1.26	-	0.83
13-27	:	76.2	8.2	1.4	0.14	0.40	1.46	-	0.94
30-41	:	80.2	9.5	1.9	0.18	0.48	1.77	-	0.98
41-78	:	77.1	10.9	4.1	0.17	0.77	1.93	-	0.92
78-116	:	77.5	11.2	4.3	0.18	0.96	2.07	-	0.90
116-134	:	76.9	11.0	4.1	0.24	0.85	1.97	-	0.88

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)
1-6	:	-	-	-	-	-	-	-
6-13	:	0.01	0.16	21.6	16.4	105.9	14.2	6.5
13-27	:	0.01	0.12	12.1	15.8	144.9	14.2	9.2
30-41	:	0.01	0.06	5.2	14.3	112.4	12.7	7.8
41-78	:	0.02	0.05	4.5	12.0	50.1	9.7	4.2
78-116	:	0.05	0.07	3.5	11.7	18.0	9.4	4.1
116-134	:	0.03	0.08	3.4	11.9	49.9	9.6	4.2

Clay mineralogy:

Depth (cm)		Kaolinite	Mica / illite	Vermiculite	Chlorite	Smec	Halloysite	Mixed layer	Quar	Feldspar	Gibbsite	Goethite	Hematite
1-6	:	-	-	-	-	-	-	-	-	-	-	-	-
6-13	:	medium to strong	weak	strong	-	-	-	medium to strong	weak	-	-	-	-
13-27	:	medium to strong	weak	strong	-	medium to strong	-	weak	weak	-	-	-	-
30-41	:	strong	medium to strong	strong	-	weak	-	weak	weak	-	-	-	-
41-78	:	strong	medium to strong	medium to strong	-	medium to strong	-	medium to strong	weak	-	-	-	-
78-116	:	strong	medium to strong	medium to strong	-	medium to strong	-	medium to strong	weak	-	-	-	-
116-134	:	strong	medium to strong	medium to strong	-	medium to strong	-	medium to strong	weak	-	-	-	-

Profile description:

Oi 0-1 cm	leaves nil, abrupt smooth boundary to,
Oe 1-6 cm	leaves slightly, abrupt smooth boundary to,
Ah1 6-13 cm	black (10YR 2/1, moist), silt loam organic highly, massive and moderate medium crumb, very friable, clear smooth boundary to,
Ah2 13-27 cm	very dark brown (10YR 2/2, moist), silt loam organic highly, massive, very friable, clear smooth boundary to,
AE 27-30 cm	greyish brown (10YR 5/2, moist), silt loam, weak coarse angular blocky, clear wavy boundary to,
E 30-41 cm	pale brown (10YR 6/3, moist), silt loam, weak very coarse angular blocky, frequent pedotubules, clear irregular boundary to,
Btg1 41-78 cm	silt loam, weak coarse angular blocky, many coarse prominent mottles (10YR 6/4) and (7.5YR 6/8), frequent pedotubules, diffuse smooth boundary to,
Btg2 78-116 cm	silt loam, moderate medium angular blocky, many coarse prominent mottles (10YR 6/8) and (2.5Y 7/2), ferruginous concretions, diffuse smooth boundary to,
Btgx 116-134 cm	silt loam, moderate medium angular blocky, (10YR 6/8) and (2.5Y 7/2), fragipan pans

The main parent rock/ material over which the soil has been formed (1st entry)	sediment, unconsolidated
Mode of Accumulation or deposition of parent material (1st entry)	eolian loess
Texture of parent material (1st entry)	loamy
Weathering status of solid rock (1st entry)	partially or moderately
Resistance against weathering (solid rock) (1st entry)	moderate
Remarks on Parent Materials	non-calcareous, reworked loess ("limon de plateau")

Current land use at the site	afforestation
Vegetation Type;The natural vegetation at the site	deciduous forest
Remarks on Land Use / Vegetation	Vegetation: Mainly Betula and Quercus sp., with a ground cover of grasses and Vaccinium

The altitude of the soil profile relative to mean sea level, specified in meters	345 m asl
Regional landform	plateau
Topography of the surrounding country	undulating
Physiographic Unit in the immediate surrounding of the site	near summit of flat plateau
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	1 %
The physiographic position of the site where the profile is located	upper slope

Kind of groundwater table	perched
Top Stagnating Layer	20 cm
Bottom Stagnating Layer	120 cm
Runoff	very slow
Flooding frequency	never
Estimated permeablity (class) of least permeable part of the profile	slow
Drainage Class	poor

Rockiness	none
Stoniness	none
Cracks	no cracks observed
Slaking of aggregates by tillage, rainfall or frost	no surface slaking/crusting observed
Evidence of salt	non-saline
Evidence of alkali	non-alkaline

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