Reference soil United Kingdom 10: Albeluvisol

GB010

Albeluvisols occur mainly in the moist and cool temperate regions (dominantly regions with a cool continental climate), particularly in Eastern Europe and central USA/Canada.

Characteristics

Soils having an argic horizon (a subsurface horizon with distinct higher clay content than the overlying horizon) within 100 cm from the soil surface. The argic horizon has an irregular upper boundary resulting from "albeluvic tonguing".

Distribution of Albeluvisols (rough estimation supplied by soilgrids)

Reference soil GB010: Albeluvisols

Classification

WRB 1998

Alumi-Stagnic- Albeluvisol (Abruptic)

FAO-UNESCO-ISRIC 1988

FAO-UNESCO-ISRIC 1974

Dystri-Stagnic Podzoluvisol

Gleyic Podzoluvisol

Local classification:	SSEW: Stagnogleyic paleo-argillic brown earth. Soil Series: Berkhamsted.

Other classification

USDA-NRCS (1999)	Glossaquic Paleudalf
USDA-SCS (1975)	Glossaquic Paleudalf udic coarse-silty over clayey mixed mesic

Profile description

O 0-4 cm	organic slightlyloose,highly porous (>60 vol%),abrupt irregular boundary to,
Ah 4-6 cm	(10YR 3.5/2, moist)clay loam slightly gravelly,moderate fine subangular blocky and moderate fine granular,very friable,highly porous (>60 vol%),many roots,very few medium gravel fragments,abrupt irregular boundary to,
AE 6-20 cm	dark greyish brown (10YR 4/2, moist)clay loam slightly gravelly,weak fine subangular blocky,very friable slightly sticky slightly plastic,highly porous (>60 vol%),many very fine roots,few medium gravel quartzite fragments,few worm channels,abrupt wavy boundary to,
E 20-53 cm	(10YR 4.5/4, moist)clay loam slightly gravelly,weak to moderate fine and medium subangular blocky,very friable slightly sticky slightly plastic,few faint mottles (10YR 6/4) and few faint mottles (10YR 5/4),highly porous (>60 vol%),many roots,few medium manganiferous nodules,common medium gravel quartzite fragments,abrupt wavy boundary to,
E/B 53-81 cm	(10YR 5.5/4, moist)clay loam very gravelly,very weak subangular blocky,friable slightly sticky slightly plastic,few distinct mottles (10YR 6/2) and few distinct mottles (7.5YR 5/8),moderately porous (40-60 vol%),few very fine and fine roots,very few small manganiferous nodules,common medium gravel quartzite common medium gravel sandstone fragments,abrupt irregular boundary to,
2Btg1 81-91 cm	strong brown (7.5YR 5/6, moist)clay very stony,weak fine and medium angular blocky,friable,many fine mottles (10YR 6/4) and common medium mottles (2.5YR 5/6),patchy clay on pedfaces cutans,slightly porous (<40 vol%),few fine roots,very few small manganiferous nodules,common medium gravel quartzite common medium gravel sandstone fragments,clear wavy boundary to,
2Btg2 91-110 cm	(7.5YR 5/7, moist)clay stony,weak medium and coarse angular blocky,friable sticky slightly plastic,many heterogeneous mottles (2.5YR 5/6) and common medium mottles (10YR 6/2),broken clay on pedfaces cutans,slightly porous (<40 vol%),few fine roots,common medium gravel quatzite common medium gravel sandstone fragments,clear boundary to,
2Btg3 110-180 cm	red (2.5YR 5/6, moist)clay stony,massive,firm sticky plastic,many heterogeneous mottles (10YR 6/2) and many heterogeneous mottles (7.5YR 5/6),broken clay on pedfaces cutans,slightly porous (<40 vol%),few roots,

Kind 1 (parent material) ; Parker (eds), 1984	mixed lithology and composition
Mode of accumulation or deposition of parent material	eolian loess
Mode of accumulation or deposition of parent material (second entry)	glacial drift
Remarks on Parent Materials	unbedded Plateau Drift, clayey with quatzose pebbles, overlain by silty (loessic?) drift
Texture of parent material	clayey
Texture of parent material (second entry)	silty
General characterization of the status of weathering of solid rock	partially or moderately
General characterization of the status of weathering of solid rock (second entry)	partially or moderately

Remarks on Land Use / Vegetation	VEGETATION: very abundant bracken (Pteridium) with grassy patches, mainly Agrostis spp; occasional elder bushes; rare ash (Fraxinus) and willow (Salix capraea)
Major vegetation type; Guidelines for soil description - Fourth edition (FAO, Rome, 2006)	semi-deciduous woodland

Altitude	120m
Physiographic position of the site	slope
Slope	2%
Slope Aspect	north-east

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Reference soil United Kingdom 10: Albeluvisol

Characteristics

Reference soil GB010: Albeluvisols

Classification