IDENTIFIERS

  • Current Taxon Name (Soil Name): Fallsington
  • OSD
  • Series Extent
  • User Site ID: S2016MD003030
  • User Pedon ID: S2016MD003030
  • User Site Association ID: NEON_RO3_SERC
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 16N0819
  • User Project ID: SERC_002_NEON
  • Project Name: Smithsonian Environmental Research Center
  • Print Date: 4/20/2026

    • 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: 38.9098639
  • Std. Longitude: -76.5491139
  • Datum: WGS84
  • GPS - PDOP: 2
  • Location Description: 8;80;40x40 SW marker
  • Map Unit: DnB—Donlonton fine sandy loam, 2 to 5 percent slopes
  • Country: US—United States
  • State: Maryland
  • County: MD003—Anne Arundel
  • MLRA: 149A—Northern Coastal Plain
  • Regional Office: SE—Southeast
  • MLRA Soil Survey Area: NE-HAM—Hammonton, New Jersey
  • Non-MLRA Soil Survey Area: MD003—Anne Arundel County, Maryland
  • 7.5 Minute USGS Quad: 38076-H5—South River, Maryland

    • PEDON

  • Describers Name: Chad Ferguson, Greg Taylor and Rob Tunstead
  • Current Taxonomic Class: Fine-loamy, siliceous, active, mesic Typic Endoaquults
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: ecological site data
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Fallsington
  • PSC - 28 to 76 cm.
  • Classificaton Date - 3/15/2018
  • Classifier - Rob Tunstead
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - aquic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Hurlock
  • Taxonomic Class - Coarse-loamy, siliceous, semiactive, mesic Typic Endoaquults
  • Taxon Kind - taxadjunct
  • PSC - 28 to 76 cm.
  • Classificaton Date - 4/8/2016
  • Classifier - Rob Tunstead
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - aquic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: yes
  • Certification Status: certified
  • QC Status: level 1
  • QA Status: level 1


    • SITE

  • Parent Material: coarse-loamy fluviomarine deposits
  • Landscape: coastal plain
  • Landform: interfluve
  • Geomorphic Component Hills: base slope
  • Hill Slope Profile: footslope
  • Slope Complexity: simple
  • Slope Shape Across: concave
  • Slope Shape Down: linear
  • Runoff: negligible
  • Drainage Class: somewhat poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no
  • Plot #: 30
  • RaCA Information:
  • RaCA Site ID - SERC_030
  • DSP Plot ID - SW
  • Plot Baseline Azimuth - 80
  • Plot Baseline Length - 8
  • Plot Width - 40
  • Plot/Site Set Up By - Center of pit
  • Plot or Site Recorder - Chad Ferguson

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/8/2016 (actual site observation date)
  • Data Collector: Rob Tunstead
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - row crop
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - sunny
  • Current Air Temp - 7
    • Pedon Horizon Lab Results - 1
    Horizon Top Depth Bottom Depth Sample ID Data Collector Total Clay CaCO3 Clay Total Silt Fine Silt Co. Silt Total Sand Total Sand Method VC Sand Co. Sand Med. Sand Fine Sand VF Sand VF Sand Method Texture Class - Field Lab Rubbed Fiber Unrubbed Fiber pH H2O
    cm cm % % % % % % % % % % % % %

    Ap1

    Ap2

    Btg1

    Btg2

    BCg

    0

    17

    28

    45

    76

    17

    28

    45

    76

    100

    63

    64

    65

    66

    67

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    Pedon Horizon Lab Results - 2
    Horizon Top Depth Bottom Depth Sample ID pH CaCl2 pH NaF pH Ox Delta pH LL PL PI Atter. Samp. Cond. COLE Pot. Acidity Ca + Mg - Meh 2 K Ca + Mg - Sat. Paste KCl Extract. Acidity Base Sat. - Meh 2 CEC-7 CEC-8.2
    cm cm % % % cm/cm meq/100g cmol(+)/kg cmol(+)/kg mmol(+)/l cmol(+)/kg % cmol(+)/kg cmol(+)/kg

    Ap1

    Ap2

    Btg1

    Btg2

    BCg

    0

    17

    28

    45

    76

    17

    28

    45

    76

    100

    63

    64

    65

    66

    67

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    Pedon Horizon Lab Results - 3
    Horizon Top Depth Bottom Depth Sample ID ECEC Phosphate P NO3-N EC EC Method EC 1:5 by volume CaCO3 Equiv. Equiv. Gypsum Na SAR Gypsum Req. Humic Color Fulvic Color Humic + Fulvic Color Al PI Pyro. Hue PyrO. Value Pyro. Chroma
    cm cm cmol(+)/kg mg/kg mg/kg dS/m dS/m % % mmol(+)/l % L-pcu/g L-pcu/g L-pcu/g %

    Ap1

    Ap2

    Btg1

    Btg2

    BCg

    0

    17

    28

    45

    76

    17

    28

    45

    76

    100

    63

    64

    65

    66

    67

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    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    aquic conditions

    redox concentrations

    argillic horizon

    reduced matrix

    0—28

    17—100

    17—100

    28—76

    28—100

    —28—

    —83—

    —83—

    —48—

    —72—
    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

    2

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    18

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    175

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    Ap1—0 to 17 centimeters (0.0 to 6.7 inches); brown (10YR 4/3) interior, brown (10YR 5/3) interior, dry; very fine sandy loam; moderate fine granular, and moderate medium granular structure; friable, nonsticky, nonplastic; many very fine roots throughout and many fine roots throughout; 1 percent by volume nonflat subangular indurated 2-4-5 millimeter quartzite fragments observed by visual inspection method; slightly acid, pH 6.2, pH indicator solutions; clear smooth boundary. Lab sample # 16N03642; moist when described; observed in pit, small
    Ap2—17 to 28 centimeters (6.7 to 11.0 inches); grayish brown (10YR 5/2) interior, pale brown (10YR 6/3) interior, dry; fine sandy loam; moderate medium granular, and moderate coarse granular structure; friable, nonsticky, nonplastic; few fine roots throughout; few fine low-continuity dendritic tubular pores; 20 percent fine faint irregular noncoherent cemented brown (7.5YR 4/4), moist, iron-manganese masses with clear boundaries throughout; fragments; moderately acid, pH 5.8, pH indicator solutions; clear smooth boundary. Lab sample # 16N03643; moist when described; observed in pit, small
    Btg1—28 to 45 centimeters (11.0 to 17.7 inches); grayish brown (2.5Y 5/2) interior sandy clay loam; 17 percent clay; moderate medium subangular blocky structure; firm, slightly sticky, slightly plastic; few very fine roots throughout and few fine roots throughout; few very fine low-continuity dendritic tubular and few fine low-continuity dendritic tubular pores; 7 percent faint grayish brown (2.5Y 5/2), moist, clay films on all faces of peds; 10 percent fine prominent irregular noncoherent cemented strong brown (7.5YR 5/6), moist, iron-manganese masses with clear boundaries throughout; fragments; moderately acid, pH 5.6, pH indicator solutions; gradual wavy boundary. Lab sample # 16N03644; moist when described; observed in pit, small
    Btg2—45 to 76 centimeters (17.7 to 29.9 inches); light brownish gray (2.5Y 6/2) interior sandy clay loam; 16 percent clay; moderate medium subangular blocky structure; firm, slightly sticky, slightly plastic; few very fine roots throughout and few fine roots throughout; common fine low-continuity vesicular pores; 25 percent faint light brownish gray (2.5Y 6/2), moist, clay films on all faces of peds; 8 percent fine prominent irregular noncoherent cemented strong brown (7.5YR 5/6), moist, iron-manganese masses with clear boundaries throughout; 1 percent glauconite pellets throughout; fragments; strongly acid, pH 5.4, pH indicator solutions; gradual wavy boundary. Lab sample # 16N03645; moist when described; observed in pit, small
    BCg—76 to 100 centimeters (29.9 to 39.4 inches); gray (2.5Y 6/1) interior very fine sandy loam; 10 percent clay; weak medium subangular blocky structure; friable, nonsticky, nonplastic; 5 percent fine prominent irregular noncoherent cemented light brown (7.5YR 6/4), moist, iron-manganese masses with clear boundaries throughout; 2 percent glauconite pellets throughout; fragments; strongly acid, pH 5.2, pH indicator solutions. Lab sample # 16N03646; moist when described; observed in pit, small