IDENTIFIERS

  • Current Taxon Name (Soil Name): Clear Lake
  • OSD
  • Series Extent
  • User Site ID: S1989CA011005
  • User Pedon ID: 89CA011005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 89P0066
  • NCSS Pedon Lab Data NASIS Record ID - 61171
  • Print Date: 11/23/2024
  • 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: 38.9958344
  • Std. Longitude: -121.9208298
  • Datum: WGS84
  • Township: 13N
  • Range: 1E
  • Section: 6
  • PLSS Details: 525 feet S and 1710 feet W of SW corner
  • Location Description: in unsectionalized area.
  • State: California
  • County: CA011—Colusa
  • MLRA: 17—Sacramento and San Joaquin Valleys
  • PEDON

  • Describers Name: C. Jett and W. Reed.
  • Current Taxonomic Class: Fine, smectitic, thermic Xeric Endoaquerts
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 5
  • Correlated Information:
  • Soil Name - Clear Lake
  • PSC - 25 to 100 cm.
  • Classificaton Date - 7/11/2007
  • Moisture Class - xeric
  • Moisture Subclass - xeric
  • Sampled As Information:
  • Soil Name - Clear Lake
  • Taxonomic Class - Fine, montmorillonitic, thermic Typic Pelloxerert
  • Taxon Kind - series
  • Classificaton Date - 10/1/1989
  • Moisture Class - xeric
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landform: flood plain
  • Slope Shape Down: linear
  • Runoff: negligible
  • Drainage Class: somewhat poorly
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1989 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
  • 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

    Bw1

    Bw2

    Bw3

    Bk1

    Bk2

    0

    8

    25

    51

    86

    119

    150

    6.3

    6.3

    7.1

    7.7

    8.1

    8.3

    8.3

    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

    Bw1

    Bw2

    Bw3

    Bk1

    Bk2

    0

    8

    25

    51

    86

    119

    150

    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

    Bw1

    Bw2

    Bw3

    Bk1

    Bk2

    0

    8

    25

    51

    86

    119

    150

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

    mollic epipedon

    0—86

    —-

    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

    8

    90

    38

    16

    25

    7

    18

    27

    11

    Ap1—0 to 8 centimeters (0.0 to 3.1 inches); very dark gray (10YR 3/1), gray (10YR 5/1), dry; clay loam; moderate fine subangular blocky structure; very hard, firm, very sticky, very plastic; 5.5 very fine roots throughout; 2.5 very fine tubular and 5.5 fine interstitial pores; fragments; extremely acid, pH 3.5, hellige-truog; clear smooth boundary. Lab sample # 89P00643; dry when described;. many very fine roots throughout
    Ap2—8 to 25 centimeters (3.1 to 9.8 inches); very dark gray (10YR 3/1), gray (10YR 5/1), dry; clay; 11 percent olive brown (2.5Y 4/4) fine prominent mottles; moderate fine subangular blocky structure; very hard, firm, very sticky, very plastic; 5.5 very fine roots throughout; 2.5 very fine tubular and 5.5 fine interstitial pores; fragments; extremely acid, pH 4.0, hellige-truog; clear wavy boundary. Lab sample # 89P00644; moist when described;. many very fine roots throughout; common fine prominent 2.5Y44 mottles
    Bw1—25 to 51 centimeters (9.8 to 20.1 inches); very dark gray (10YR 3/1), gray (10YR 5/1), dry; clay; 11 percent light olive brown (2.5Y 5/4) fine prominent mottles; strong very coarse prismatic structure; very hard, firm, very sticky, very plastic; 2.5 very fine roots throughout; 5.5 very fine tubular pores; fragments; very strongly acid, pH 4.8, hellige-truog; gradual wavy boundary. Lab sample # 89P00645. common very fine roots throughout; common fine prominent 2.5Y54 mottles
    Bw2—51 to 86 centimeters (20.1 to 33.9 inches); very dark gray (10YR 3/1), gray (10YR 5/1), dry; clay; 11 percent light olive brown (2.5Y 5/4) fine prominent mottles; moderate medium prismatic structure; very hard, firm, very sticky, very plastic; 2.5 very fine roots throughout; 5.5 very fine tubular pores; fragments; very strongly acid, pH 5.0, hellige-truog; gradual wavy boundary. Lab sample # 89P00646. common very fine roots throughout; common fine prominent 2.5Y54 mottles
    Bw3—86 to 119 centimeters (33.9 to 46.9 inches); 40 percent 2.5Y 4/0 (2.5Y 4/0) and 60 percent dark grayish brown (2.5Y 4/2), gray (5Y 5/1), dry; clay; 11 percent light olive brown (2.5Y 5/4) coarse distinct mottles; moderate coarse angular blocky structure; very hard, firm, very sticky, very plastic; 0.5 very fine roots throughout and 0.5 fine roots throughout; 2.5 very fine tubular pores; fragments; strongly acid, pH 5.2, hellige-truog; clear smooth boundary. Lab sample # 89P00647. few fine roots throughout; few very fine roots throughout; common coarse distinct 2.5Y54 mottles
    Bk1—119 to 150 centimeters (46.9 to 59.1 inches); 2.5Y 4/0 (2.5Y 4/0), 2.5Y 5/0 (2.5Y 5/0), dry; clay; 11 percent light brownish gray (2.5Y 6/2) medium mottles; moderate medium angular blocky structure; very hard, firm, very sticky, very plastic; 0.5 very fine roots throughout; 2.5 very fine tubular pores; fragments; strong effervescence, by hcl, 1n; strongly acid, pH 5.4, hellige-truog; clear smooth boundary. Lab sample # 89P00648; wet when described;. few very fine roots throughout; common medium 2.5Y62 mottles; effervescence is continuous
    Bk2—150 to 201 centimeters (59.1 to 79.1 inches); dark grayish brown (2.5Y 4/2), grayish brown (2.5Y 5/2), dry; clay; 11 percent light olive brown (2.5Y 5/3) coarse mottles; moderate medium angular blocky structure; very hard, firm, very sticky, very plastic; 0.5 very fine roots throughout; 2.5 very fine tubular pores; fragments; strong effervescence, by hcl, 1n; very strongly acid, pH 4.7, hellige-truog. Lab sample # 89P00649; wet when described;. few very fine roots throughout; common coarse 2.5Y53 mottles; effervescence is continuous