New England Soil Profiles

Birchwood Series

Photo by: Rob Tunstead. Photo location:
Bridgewater State Farm, Massachusetts,
ruler is in inches (41.954269 N,
-70.942111 W).

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Birchwood soils are moderately well drained soils formed in sandy eolian and/or fluvial material underlain by loamy dense till. This profile has the following morphology: 0-12 inches, Ap horizon -loamy sand. 12-20 inches, Bw1 horizon -loamy sand. 20-34 inches, BC horizon -gravelly loamy sand with many redoximorphic features (seasonal high watertable within 24 inches), 34-65 inches, 2Cd -gravelly fine sandy loam, very firm basal till, many redoximorphic features.

The 2Cd horizon has a vertical desiccation crack (gray surrounded by bright colors), above-right is a close up of the cracks:

Photo Location Map:

Click here for the full Pedon description of the photo above.


Taxonomic Classification: Sandy over loamy, mixed, nonacid, mesic, Aquic Udorthents.
Drainage Class: Moderately well drained.
Parent Material: Sandy eolian and/or fluvial material underlain by loamy dense glacial till.
Permeability: Moderately rapid to rapid in the solum, slow to very slow in the dense substratum.
Available Water Holding Capacity: Low.
Soil Reaction: Very strongly to slightly acid throughout.
Depth to Bedrock: Greater than 65 inches.
Seasonal High Watertable: Depth: 1.5 to 3 feet. Type: Perched. Months: November to April.
Hydrologic Group: C.
Hydric Soil: No (may have hydric inclusions).
Flooding/Ponding Potential: Frequency and Type: None.
Potential Inclusions: Moderately well drained Woodbridge, Scituate, and Newfields soils are on similar landforms. Poorly drained Norwell, and Ridgebury soils are on lower elevations and along drainage-ways. Well drained Paxton, Poquonock and Montauk soils are on convex slopes and on higher elevations.

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