IDENTIFIERS

  • Current Taxon Name (Soil Name): Johnston
  • OSD
  • Series Extent
  • User Site ID: S1995SC069023
  • User Pedon ID: S1995SC069023
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - Clemson
  • Lab Pedon # - S92SC069-39
  • NCSS Pedon Lab Data NASIS Record ID - 82765
  • Print Date: 11/26/2024

    • LOCATION

  • Location In Web Soil Survey
  • AOI is roughly a square mile and pedon is marked in the center.
  • Location in SoilWeb
  • Location in Google Maps
  • Std. Latitude: 34.3680549
  • Std. Longitude: -79.5952365
  • Datum: WGS84
  • Location Description: TUD taken from Marlboro County SC; Typical pedon of Johnston mucky loam, frequently flooded; 0.4 mile south on S.C. Highway 38 from its intersection with S.C. Highway 34 in Brownsville, 0.5 mile west on an unpaved road, 0.9 mile south on Berry Road to the southern edge of a field, 800 feet northeast along the edge of the field, 100 feet southeast into a wooded area.
  • Map Unit: Jo—Johnston mucky loam, frequently flooded
  • State: South Carolina
  • County: SC069—Marlboro
  • MLRA: 133A—Southern Coastal Plain
  • Regional Office: SE—Southeast
  • MLRA Soil Survey Area: SE-LAU—Laurens, South Carolina
  • Non-MLRA Soil Survey Area: SC069—Marlboro County, South Carolina
  • 7.5 Minute USGS Quad: 34079-C5—Oak Grove, South Carolina

    • PEDON

  • Describers Name: Ronald Morton
  • Current Taxonomic Class: Coarse-loamy, siliceous, active, acid, thermic Cumulic Humaquepts
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Johnston
  • Classificaton Date - 7/10/2015
  • Classifier - Jonathan Doss
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - aquic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Johnston
  • Classificaton Date - 1/1/1990
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loamy alluvium
  • Landscape: coastal plain
  • Landform: flood plain
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: toeslope
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Drainage Class: very poorly
  • Flooding: frequent flooding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/10/2015 (entry creation date)
  • Data Collector: Ronald Morton
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    umbric epipedon

    0—102

    —58—
    Setting and Climate
    Slope Slope Length USLE Upslope Length Elev. Corr. Elev Aspect MAP REAP FFD MAAT MSAT MWAT MAST MSST MWST MFFP PE Index Climate Station ID Climate Station Name Climate Station Type
    % m degrees mm mm C mm

    1

    —

    —

    20

    —

    1360

    —

    255

    18

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 58 centimeters (0.0 to 22.8 inches); black (10YR 2/1) mucky loam; weak fine granular structure; very friable, nonsticky, nonplastic; many medium roots throughout and many fine roots throughout and many coarse roots throughout; common fine dendritic tubular and common fine tubular pores; fragments; very strongly acid, pH 4.7, pH indicator solutions; gradual wavy boundary. Lab sample # CL1115; moist when described;
    A2—58 to 102 centimeters (22.8 to 40.2 inches); black (10YR 2/1) coarse sandy loam; weak fine subangular blocky structure; friable, nonsticky, nonplastic; common medium roots throughout and common fine roots throughout; common fine dendritic tubular and common fine tubular pores; fragments; very strongly acid, pH 4.7, pH indicator solutions; gradual wavy boundary. Lab sample # CL1116; moist when described;
    Cg1—102 to 132 centimeters (40.2 to 52.0 inches); dark gray (10YR 4/1) loamy coarse sand; friable, nonsticky, nonplastic; few very fine roots throughout and few fine roots throughout; 1 percent medium faint gray (10YR 6/1), moist, iron depletions; fragments; very strongly acid, pH 4.7, pH indicator solutions; gradual wavy boundary. Lab sample # CL1117; moist when described;
    Cg2—132 to 152 centimeters (52.0 to 59.8 inches); 35 percent gray (10YR 5/1) and 35 percent light gray (10YR 7/1) and 30 percent dark gray (10YR 4/1) loamy coarse sand; structureless massive; friable, nonsticky, nonplastic; few very fine roots throughout and few fine roots throughout; fragments; very strongly acid, pH 4.7, pH indicator solutions. Lab sample # CL1118; moist when described;