Two Florida Panhandle Soils

Lisa ShawSOS 5716C -Pedology

Spring 2010

Bay County: Coastal to Sandhills

•Coastal Plain•Lakes, Creeks, Springs•Mean Air Temperature : 67.5 F•Avg. Yearly Precipitation: 67.2”

North Site- Scrubby High Pine

South Site- Flatwoods/ Disturbed urban setting

North Site- Borrow Pit

North SiteBorrow Pit

UplandGentle Slope: 2-6%Slow Surface RunoffMedium Erosion Potential

Profile location

Morphology

Ap – 0-15 cm, sandy, light brownish gray

(10YR 6/2), single grain, clear boundary, fine

roots

AE -16-46 cm, sandy, very pale brown (10YR

7/4), single grain, clear boundary, fine roots

E1 - 46-58 cm, sandy, brownish yellow

(10YR 6/6), single grain, clear boundary, few

roots

E2 – 59- 107 cm, sandy, yellow (10YR 7/6),

single grain, clear boundary, few roots

E3 – 107-142 cm, sandy, yellow (10YR 7/8)

with light reddish brown pore linings and

redox depletions, single grain structure,

clear boundary

Bt –142 -168 cm, loamy sand, light reddish

brown (5YR 6/4) with Red (2.5YR 5/8)

concretions (crunchy), weak structure, very

friable, clear boundary

Ap

AE

E1

E2

E3

Bt

FeaturesInfiltration Rate: HighWater enters and moves through the soil quickly

Available Water: Very LowNot much water is available for plants

Hydraulic Conductivity: ModerateWater moves through with moderate velocities in saturated conditions

Slight limitation for BasementsModerate limitation for Septic tank absorption fieldsSlight limitation for Roads and street

Season High Water Table 100-150cm

Pore lining

Redox depletions Redox

concentration

Soil ClassificationEpipedon: Ochric

Subsurface Horizon: Kandic

Order: Entisol

South Site

South SiteDitch Side SlopeUpland cut drainagewayGentle Slope: 2-6%Slow Surface RunoffLow Erosion Potential

Profile Location

Morphology

E3

A1

A2

EA

E2

E3

A1 – 0-18 cm, sandy, dark gray (10YR 4/1),

single grain, clear smooth boundary, fine

roots

A2 -18-33 cm, sandy, grayish brown (10YR

5/2), single grain, clear smooth boundary,

roots

EA - 33-78 cm, sandy, yellow (10YR 7/8),

single grain, clear smooth boundary, roots

E1 – 78- 97 cm, sandy, very pale brown

(10YR 7/3), single grain, clear smooth

boundary, roots

E1E2 – 97-121 cm,

sandy, light gray

(10YRYR 7/2), single

grain structure, clear

smooth boundary,

roots

E3–121 -213 cm,

sandy, light gray

(10YR 7/2), single

grain, clear smooth

boundary , pore

linings

FeaturesInfiltration Rate: HighWater enters and moves through the soil quickly

Available Water: Very LowNot much water is available for plants

Hydraulic Conductivity: HighWater moves through the soil quickly in saturated conditions

A slight limitation for BasementsA sever limitation for Septic tank absorption fieldsA slight limitation for Roads and street

Season High Water Table: 160 cm

E3

Pore lining

Soil ClassificationEpipedon: Ochric

Subsurface Horizon: Albic

Order: Entisol

ComparisonNorth Site South Site

Near the Sand RidgeMin. Disturbance

Moderately drainedSandy (80”+)

FlatwoodsUrban DisturbancePoorly drainedSandy (40”+)

Questions?