IDENTIFIERS

  • Current Taxon Name (Soil Name): Ludden
  • OSD
  • Series Extent
  • Local Phase: occasionally flooded
  • User Site ID: S1984ND049023
  • User Pedon ID: S1984ND049023
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - NDSU
  • Lab Pedon # - 84ND049023
  • NCSS Pedon Lab Data NASIS Record ID - 69139
  • Print Date: 5/31/2024
  • 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: 48.5452778
  • Std. Longitude: -100.4941667
  • Datum: WGS84
  • Township: 159N.
  • Range: 76W.
  • Section: 32
  • PLSS Details: 205' E and 275' N of the SW corner
  • Location Description: Souris River Valley; J. Clark Salyer National Wildlife Refuge.
  • Country: US—United States
  • State: North Dakota
  • County: ND049—McHenry
  • MLRA: 55A—Northern Black Glaciated Plains
  • MLRA Soil Survey Area: NC-DVL—Devils Lake, North Dakota
  • Non-MLRA Soil Survey Area: ND049—McHenry County, North Dakota
  • PEDON

  • Describers Name: LD, SS, RM, DH, MT, MS, DP, JM, SE
  • Current Taxonomic Class: Fine, smectitic, frigid Sodic Endoaquerts
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Ludden
  • PSC - 25 to 100 cm.
  • Classificaton Date - 5/10/2017
  • Classifier - Alan R. Gulsvig
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - aquic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Ludden
  • Classificaton Date - 8/14/1984
  • Classifier - L. DesLauriers
  • Moisture Class - aquic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: yes
  • QC Status: level 3


  • SITE

  • Parent Material: clayey alluvium
  • Landscape: river valley
  • Landform: flood plain
  • Runoff: medium
  • Drainage Class: poorly
  • Flooding: occasional flooding for very long periods
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/14/1984 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: wind and water erosion
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    redox concentrations

    aquic conditions

    slickensides

    0—152

    13—43

    13—152

    76—152

    —152—

    —30—

    —139—

    —76—

    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

    0

    A—0 to 13 centimeters (0.0 to 5.1 inches); black (N 2/0), very dark gray (N 3/0), dry; silty clay; moderate coarse prismatic parts to strong very fine subangular blocky structure; very hard, very firm, very sticky, very plastic; 3.0 very fine roots throughout and 0.1 fine roots throughout; fragments; slight effervescence, by hcl, unspecified; clear smooth boundary. Lab sample # NDSU1194
    Bz1—13 to 30 centimeters (5.1 to 11.8 inches); black (5Y 2/1), gray (5Y 5/1), dry; silty clay; 1 percent dark yellowish brown (10YR 4/4) fine prominent mottles; moderate coarse prismatic parts to strong very fine subangular blocky structure; very hard, very firm, very sticky, very plastic; 0.5 very fine roots throughout; 1 percent fine prominent dark yellowish brown (10YR 4/4), moist, masses of oxidized iron in matrix; 10 percent fine irregular salt masses throughout; fragments; slight effervescence, by hcl, unspecified; clear smooth boundary. Lab sample # NDSU1195. Few, vertical tongues of A material.
    Bz2—30 to 43 centimeters (11.8 to 16.9 inches); very dark gray (5Y 3/1), gray (5Y 5/1), dry; silty clay; 1 percent dark yellowish brown (10YR 4/4) fine prominent mottles; moderate coarse prismatic parts to moderate very fine subangular blocky structure; very hard, very firm, very sticky, very plastic; 0.5 very fine roots throughout; 1 percent fine prominent dark yellowish brown (10YR 4/4), moist, masses of oxidized iron in matrix; 10 percent fine irregular salt masses throughout; fragments; slight effervescence, by hcl, unspecified; clear smooth boundary. Lab sample # NDSU1196. Few, vertical tongues of A material.
    Ayb—43 to 76 centimeters (16.9 to 29.9 inches); black (5Y 2/1), very dark gray (N 3/0), dry; silty clay; moderate very fine angular blocky structure; very hard, very firm, very sticky, very plastic; 0.1 fine roots throughout; 25 percent fine and medium irregular gypsum masses throughout and 1 percent medium irregular lime masses throughout; fragments; slight effervescence, by hcl, unspecified; clear smooth boundary. Lab sample # NDSU1197
    BCssy—76 to 109 centimeters (29.9 to 42.9 inches); very dark gray (5Y 3/1), dark gray (5Y 4/1), dry; silty clay; weak very fine subangular blocky structure; very hard, very firm, very sticky, very plastic; 0.1 fine roots throughout; pressure faces and nonintersecting slickensides; 1 percent coarse irregular lime masses throughout and 10 percent medium and coarse gypsum masses throughout; fragments; slight effervescence, by hcl, unspecified; clear smooth boundary. Lab sample # NDSU1198
    Css—109 to 152 centimeters (42.9 to 59.8 inches); dark olive gray (5Y 3/2), olive gray (5Y 5/2), dry; silty clay; massive; very hard, very firm, very sticky, very plastic; 0.1 fine roots throughout; pressure faces and nonintersecting slickensides; 1 percent coarse irregular lime masses throughout; fragments; slight effervescence, by hcl, unspecified. Lab sample # NDSU1199