IDENTIFIERS

  • Current Taxon Name (Soil Name): Mutnala
  • OSD
  • Series Extent
  • User Site ID: S1987AK122007
  • User Pedon ID: 87AK122007
  • Vegetation Plot ID: S1987AK122007
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 87P0786
  • NCSS Pedon Lab Data NASIS Record ID - 60081
  • Print Date: 11/25/2024

    • LOCATION

  • Location Description: Site is near edge of bench.
  • State: Alaska
  • County: AK122—Kenai Peninsula Borough

    • PEDON

  • Describers Name: Moore, Van Patten, Ping, Witty, Alexander, Kimble
  • Current Taxonomic Class: Medial over loamy, amorphic Andic Humicryods
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 7
  • Correlated Information:
  • Soil Name - Mutnala
  • PSC - 25 to 100 cm.
  • Classificaton Date - 2/1/2010
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Mutnala
  • Taxonomic Class - Medial over loamy, mixed Typic Cryohumod
  • Taxon Kind - series
  • Classificaton Date - 9/1/1987
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Landform: dead ice moraine
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Position: upper third
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1987 (actual site observation date)
  • Microrelief Elevation: 35
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - hardwoods
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    MEFE

    PISI

    Menziesia ferruginea

    Picea sitchensis

    rusty menziesia

    Sitka spruce

    —

    —

    —

    —

    —

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

    albic horizon

    spodic horizon

    7—12

    12—70

    —-

    —-
    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

    —

    —

    —

    —

    315

    70

    —

    —

    2.2

    —

    —

    3

    4.5

    0

    —

    —

    —

    —

    —
    1Oe—0 to 7 centimeters (0.0 to 2.8 inches); dark reddish brown (5YR 3/2) interior hemic material; 5.5 very fine and fine roots and 1.0 medium and coarse roots; fragments; extremely acid, pH 4.0, hellige-truog; abrupt wavy boundary. Lab sample # 87P04291; very moist when described;. Estimated Bulk density 0.3 g/cc.; many very fine and fine roots; few to common medium and coarse roots
    1E—7 to 12 centimeters (2.8 to 4.7 inches); dark grayish brown (10YR 4/2) interior very fine sandy loam; massive; friable, nonsticky, nonplastic; 5.5 very fine and fine roots and 1.0 medium and coarse roots; fragments; very strongly acid, pH 4.8, hellige-truog; abrupt smooth boundary. Lab sample # 87P04292; very moist when described;. Pockets of ash (sand size) at top. Estimated Bulk density 0.7 g/cc.; many very fine and fine roots; few to common medium and coarse roots
    1Bhs—12 to 15 centimeters (4.7 to 5.9 inches); 98 percent black (10YR 2/1) interior and 2 percent light gray (10YR 7/2) interior silt loam; massive; friable, slightly sticky, slightly plastic; 2.5 very fine and fine roots and 1.0 medium and coarse roots; fragments; extremely acid, pH 4.2, hellige-truog; abrupt wavy boundary. Lab sample # 87P04293; very moist when described;. (10YR 7/2) material is thin intermittent. Band and pockets of ash. Estimated Bulk density 0.6 g/cc.; common very fine and fine roots; few to common medium and coarse roots
    1Eb—15 to 25 centimeters (5.9 to 9.8 inches); dark brown (7.5YR 3/2) interior and dark brown (7.5YR 3/2) interior silt loam; massive; friable, slightly sticky, slightly plastic; 2.5 very fine and fine roots and 1.0 medium and coarse roots; fragments; very strongly acid, pH 4.5, hellige-truog; abrupt wavy boundary. Lab sample # 87P04294; very moist when described;. common very fine and fine roots; few to common medium and coarse roots
    1Bhsb—25 to 33 centimeters (9.8 to 13.0 inches); 60 percent dark reddish brown (5YR 3/3) interior and 40 percent dark reddish gray (5YR 4/2) interior fine sandy loam; weak medium subangular blocky structure; very friable, nonsticky, nonplastic; 2.5 very fine and fine roots and 2.5 medium roots; fragments; very strongly acid, pH 4.5, hellige-truog; abrupt wavy boundary. Lab sample # 87P04295; very moist when described;. Charcoal fragments at base of horizon.; common very fine and fine roots; common medium roots
    1Bs1b—33 to 57 centimeters (13.0 to 22.4 inches); 60 percent dark reddish brown (5YR 3/3) interior and 40 percent dark reddish gray (5YR 4/2) interior loam; moderate medium subangular blocky structure; friable, slightly sticky, slightly plastic; 2.5 very fine roots and 0.5 fine and medium roots; fragments; strongly acid, pH 5.2, hellige-truog; clear smooth boundary. Lab sample # 87P04296; very moist when described;. Composed of several (3) thin convoluted layers.; common very fine roots; few fine and medium roots
    1Bs2b—57 to 70 centimeters (22.4 to 27.6 inches); brown (7.5YR 4/4) interior silt loam; weak medium subangular blocky structure; friable, slightly sticky, slightly plastic; 0.5 very fine roots; fragments; very strongly acid, pH 5.0, hellige-truog; gradual smooth boundary. Lab sample # 87P04297; very moist when described;. few very fine roots
    1BCb—70 to 99 centimeters (27.6 to 39.0 inches); brown (10YR 4/3) interior silt loam; massive; friable, slightly sticky, slightly plastic; 0.5 very fine roots; fragments; moderately acid, pH 6.0, hellige-truog; abrupt smooth boundary. Lab sample # 87P04298; very moist when described;. few very fine roots
    2C—99 to 120 centimeters (39.0 to 47.2 inches); grayish brown (2.5Y 5/2) interior sandy loam; massive, and weak medium subangular blocky; friable, slightly sticky, slightly plastic; 5 percent by volume 2-39-75 millimeter mixed fragments; moderately acid, pH 5.8, hellige-truog. Lab sample # 87P04299; very moist when described;