IDENTIFIERS

  • Current Taxon Name (Soil Name): Ypsilon
  • OSD
  • Series Extent
  • User Site ID: S1998CO069003
  • User Pedon ID: 98CO069003
  • Vegetation Plot ID: S1998CO069003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 99P0041
  • NCSS Pedon Lab Data NASIS Record ID - 10901
  • Print Date: 11/21/2024
  • 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: 40.5172234
  • Std. Longitude: -105.6905594
  • Datum: WGS84
  • Location Description: about 1.3 miles south of Mirror Lake and south of Cascade Creek in Rocky Mountain National Park.
  • State: Colorado
  • County: CO069—Larimer
  • MLRA: 48A—Southern Rocky Mountains
  • Non-MLRA Soil Survey Area: CO651—Rocky Mountain National Park, Colorado, Parts of Boulder, Grand, and Larimer Counties
  • 7.5 Minute USGS Quad: 40105-E6—Comanche Peak, Colorado
  • PEDON

  • Describers Name: Lee A. Neve David Alstatt
  • Current Taxonomic Class: Loamy-skeletal, isotic Typic Haplocryods
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - Ypsilon
  • PSC - 25 to 102 cm.
  • Classificaton Date - 1/27/2010
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Leighcan
  • Taxonomic Class - Loamy-skeletal, paramicaceous Dystric Cryochrept
  • Taxon Kind - series
  • Classificaton Date - 7/14/1998
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landscape: mountains
  • Landform: moraine
  • Hill Slope Profile: backslope
  • Slope Position: middle third
  • Runoff: medium
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments: 3.00 percent
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/14/1998 (actual site observation date)
  • Air Photo ID: 1059-204
  • Plant Association Name: Pien/Abla/Vasc
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - intermixed conifers and 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

    ABLA

    PIEN

    VASC

    Abies lasiocarpa

    Picea engelmannii

    Vaccinium scoparium

    subalpine fir

    Engelmann spruce

    grouse whortleberry

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

    albic horizon

    cambic horizon

    10—20

    20—69

    —-

    —-

    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

    15

    3219

    350

    889

    3.3

    2.8

    Oe—0 to 10 centimeters (0.0 to 3.9 inches); fragments.
    E—10 to 20 centimeters (3.9 to 7.9 inches); brown (7.5YR 5/3), pink (7.5YR 7/3), dry; cobbly sandy loam; 16 percent clay; moderate medium granular structure; soft, very friable, nonsticky, nonplastic; 12.0 very fine and fine roots and 0.5 coarse roots; 10 percent by volume 2-39-75 millimeter unspecified fragments and 10 percent by volume 75-162-250 millimeter unspecified fragments; noneffervescent; extremely acid, pH 4.4, hellige-truog; clear smooth boundary.; moist when described;
    Bs1—20 to 50 centimeters (7.9 to 19.7 inches); brown (7.5YR 4/4), brown (7.5YR 5/4), dry; very cobbly sandy loam; 16 percent clay; moderate fine and medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 5.0 very fine and fine roots; 15 percent by volume 2-39-75 millimeter unspecified fragments and 25 percent by volume 75-162-250 millimeter unspecified fragments; noneffervescent; very strongly acid, pH 4.5, hellige-truog; abrupt wavy boundary. Lab sample # 99P00231; moist when described;
    Bs2—50 to 68 centimeters (19.7 to 26.8 inches); brown (7.5YR 4/4), brown (7.5YR 5/4), dry; very cobbly sandy loam; 15 percent clay; massive; very hard, friable, slightly sticky, slightly plastic; 2.0 very fine roots; 20 percent by volume 2-39-75 millimeter unspecified fragments and 25 percent by volume 75-162-250 millimeter unspecified fragments; noneffervescent; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # 99P00232; moist when described;
    BC—68 to 100 centimeters (26.8 to 39.4 inches); yellowish brown (10YR 5/4), light yellowish brown (10YR 6/4), dry; very gravelly sandy loam; 8 percent clay; weak fine subangular blocky structure; slightly hard, very friable, nonsticky, nonplastic; 10 percent by volume 75-162-250 millimeter unspecified fragments and 30 percent by volume 2-39-75 millimeter unspecified fragments; noneffervescent; very strongly acid, pH 4.8, hellige-truog.; moist when described;