IDENTIFIERS

  • Current Taxon Name (Soil Name): Tehama
  • OSD
  • Series Extent
  • User Site ID: S2015CA103008
  • User Pedon ID: S2015CA103008
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - KSSL
  • Lab Pedon # - 16N0382
  • NCSS Pedon Lab Data NASIS Record ID - 82577
  • Print Date: 5/19/2024
  • 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: 40.0560556
  • Std. Longitude: -122.2006389
  • Datum: WGS84
  • Map Unit: TaA—Tehama loam, 0 to 3 percent slopesTaA—Tehama loam, 0 to 3 percent slopes, MLRA 17
  • State: California
  • County: CA103—Tehama
  • MLRA: 17—Sacramento and San Joaquin Valleys
  • Regional Office: SW—Southwest
  • MLRA Soil Survey Area: SW-CHI—Chico, California
  • Non-MLRA Soil Survey Area: CA645—Tehama County, California
  • PEDON

  • Describers Name: Andrew Conlin, Ryan Miebach
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, thermic Typic Haploxeralfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - Tehama
  • Taxonomic Class - Fine-loamy, mixed, superactive, thermic Typic Haploxeralfs
  • Taxon Kind - taxadjunct
  • PSC - 43 to 93 cm.
  • Classificaton Date - 5/28/2015
  • Classifier - Andrew Conlin
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: land leveling deposited alluvium human-transported material derived from metamorphic and sedimentary rock over alluvium derived from metamorphic and sedimentary rock
  • Landscape: valley
  • Landform: stream terrace
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/14/2015 (actual site observation date)
  • Data Collector: Ryan Miebach
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - pastureland, tame
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    human-transported material

    ochric epipedon

    argillic horizon

    0—17

    17—27

    43—148

    —17—

    —10—

    —105—

    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

    0.5

    86

    612

    16.6

    ^Ap1—0 to 8 centimeters (0.0 to 3.1 inches); light brownish gray (2.5Y 6/2), dark grayish brown (2.5Y 4/2), moist; loam; 21 percent clay; moderate very fine subangular blocky, and moderate fine subangular blocky, and moderate medium subangular blocky, and moderate coarse subangular blocky structure; hard, friable, noncoherent, slightly sticky, slightly plastic; many very fine roots and few very coarse roots and few medium roots and few fine roots and few coarse roots; many very fine tubular and common fine tubular pores; 2 percent by volume nonflat subangular indurated 2-3-5 millimeter metamorphic, unspecified fragments observed by visual inspection method; noneffervescent; slightly acid, pH 6.5, hellige-truog; abrupt smooth boundary. Lab sample # 16N01575; slightly dry when described; observed in trench
    ^Ap2—8 to 17 centimeters (3.1 to 6.7 inches); light yellowish brown (2.5Y 6/3), dark grayish brown (2.5Y 4/2), moist; gravelly loam; 24 percent clay; moderate very fine subangular blocky, and moderate fine subangular blocky, and moderate medium subangular blocky structure; hard, friable, noncoherent, slightly sticky, slightly plastic; common very fine roots and few very coarse roots and few medium roots and few fine roots and few coarse roots; common very fine tubular and few fine tubular pores; 25 percent by volume nonflat subangular indurated 2-8-20 millimeter metamorphic, unspecified fragments observed by visual inspection method; noneffervescent; neutral, pH 7.0, hellige-truog; abrupt smooth boundary. Lab sample # 16N01576; slightly dry when described; observed in trench
    Ab—17 to 27 centimeters (6.7 to 10.6 inches); light yellowish brown (2.5Y 6/3), dark grayish brown (2.5Y 4/2), moist; loam; 25 percent clay; moderate very fine subangular blocky, and moderate fine subangular blocky, and moderate medium subangular blocky structure; hard, friable, noncoherent, slightly sticky, slightly plastic; common very fine roots and few medium roots and few fine roots; many very fine tubular and common fine tubular pores; 10 percent by volume nonflat subangular indurated 2-10-15 millimeter metamorphic, unspecified fragments observed by visual inspection method; noneffervescent; neutral, pH 7.0, hellige-truog; abrupt smooth boundary. Lab sample # 16N01577; slightly dry when described; observed in trench
    Btb1—27 to 43 centimeters (10.6 to 16.9 inches); light yellowish brown (2.5Y 6/3), olive brown (2.5Y 4/3), moist; gravelly clay loam; 27 percent clay; moderate medium subangular blocky, and moderate coarse subangular blocky structure; hard, friable, noncoherent, slightly sticky, slightly plastic; few very fine roots and very few fine roots; many very fine tubular and few fine tubular pores; 20 percent faint clay films on all faces of peds; 15 percent by volume nonflat subrounded indurated 2-10-25 millimeter metamorphic, unspecified fragments observed by visual inspection method; noneffervescent; neutral, pH 7.0, hellige-truog; clear smooth boundary. Lab sample # 16N01578; slightly moist when described; observed in trench
    Btb2—43 to 57 centimeters (16.9 to 22.4 inches); light yellowish brown (10YR 6/4), yellowish brown (10YR 5/4), moist; clay loam; 32 percent clay; moderate medium subangular blocky, and moderate coarse subangular blocky structure; extremely hard, friable, noncoherent, moderately sticky, moderately plastic; few very fine roots; many very fine tubular pores; 30 percent faint clay films on all faces of peds; 10 percent by volume nonflat subrounded indurated 2-7-15 millimeter metamorphic, unspecified fragments observed by visual inspection method; noneffervescent; slightly alkaline, pH 7.5, hellige-truog; clear smooth boundary. Lab sample # 16N01579; slightly moist when described; observed in trench
    Btb3—57 to 94 centimeters (22.4 to 37.0 inches); light yellowish brown (10YR 6/4), yellowish brown (10YR 5/4), moist; clay loam; 34 percent clay; moderate medium subangular blocky, and moderate coarse subangular blocky structure; extremely hard, friable, noncoherent, moderately sticky, moderately plastic; few very fine roots; many very fine tubular pores; 50 percent distinct clay films on all faces of peds; 7 percent by volume nonflat subrounded indurated 2-5-15 millimeter metamorphic, unspecified fragments observed by visual inspection method; noneffervescent; slightly alkaline, pH 7.4, hellige-truog; gradual smooth boundary. Lab sample # 16N01580; moist when described; observed in trench
    Btb4—94 to 118 centimeters (37.0 to 46.5 inches); light yellowish brown (10YR 6/4), yellowish brown (10YR 5/4), moist; clay loam; 33 percent clay; moderate medium subangular blocky, and moderate coarse subangular blocky structure; extremely hard, friable, noncoherent, moderately sticky, moderately plastic; very few very fine roots and very few fine roots; common very fine tubular pores; 20 percent distinct clay films on all faces of peds and 100 percent distinct clay bridges between sand grains; 10 percent by volume nonflat subrounded indurated 2-7-20 millimeter metamorphic, unspecified fragments observed by visual inspection method; noneffervescent; slightly alkaline, pH 7.5, hellige-truog; clear smooth boundary. Lab sample # 16N01581; moist when described; observed in trench
    Btb5—118 to 148 centimeters (46.5 to 58.3 inches); light yellowish brown (10YR 6/4), brown (10YR 5/3), moist; clay loam; 32 percent clay; weak medium subangular blocky, and weak coarse subangular blocky structure; extremely hard, friable, noncoherent, moderately sticky, moderately plastic; very few very fine roots; common very fine interstitial and common very fine tubular pores; 5 percent distinct clay films on rock fragments and 100 percent distinct clay bridges between sand grains; 10 percent by volume nonflat subrounded indurated 2-5-15 millimeter metamorphic, unspecified fragments observed by visual inspection method; noneffervescent; slightly alkaline, pH 7.5, hellige-truog; clear smooth boundary. Lab sample # 16N01582; moist when described; observed in trench
    Btb6—148 to 182 centimeters (58.3 to 71.7 inches); light yellowish brown (10YR 6/4), brown (10YR 5/3), moist; gravelly sandy clay loam; 24 percent clay; weak medium subangular blocky, and weak coarse subangular blocky structure; moderately hard, friable, noncoherent, slightly sticky, slightly plastic; very few very fine roots; many very fine tubular and many very fine interstitial pores; 100 percent faint clay bridges between sand grains; 20 percent by volume nonflat subrounded indurated 2-10-20 millimeter metamorphic, unspecified fragments observed by visual inspection method; noneffervescent; slightly alkaline, pH 7.8, hellige-truog; abrupt smooth boundary. Lab sample # 16N01583; moist when described; observed in trench
    Btqb—182 to 215 centimeters (71.7 to 84.6 inches); very pale brown (10YR 7/3), brown (10YR 5/3), moist; very gravelly sandy loam; 17 percent clay; weak fine subangular blocky parts to structureless single grain, and weak medium subangular blocky parts to structureless single grain, and weak coarse subangular blocky parts to structureless single grain; moderately hard, very friable, noncoherent, slightly sticky, nonplastic; very few very fine roots; many very fine tubular and many very fine interstitial pores; 100 percent faint clay bridges between sand grains; 1 percent coarse prominent irregular indurated cemented silica concretions with sharp boundaries on bottom of rock fragments; 50 percent by volume nonflat subrounded indurated 2-10-60 millimeter metamorphic, unspecified fragments observed by visual inspection method; noneffervescent; slightly alkaline, pH 7.7, hellige-truog. Lab sample # 16N01584; moist when described; observed in trench