IDENTIFIERS

  • Current Taxon Name (Soil Name): Tharpslog
  • OSD
  • Series Extent
  • User Site ID: S2014CA107008
  • User Pedon ID: S2014CA107008
  • Vegetation Plot ID: S2014CA107008
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 15N0496
  • NCSS Pedon Lab Data NASIS Record ID - 79638
  • Print Date: 5/5/2025
  • 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: 36.5750470
  • Std. Longitude: -118.7669940
  • Datum: WGS84
  • State: California
  • County: CA107—Tulare
  • MLRA: 22A—Sierra Nevada and Tehachapi Mountains
  • Non-MLRA Soil Survey Area: CA792—Sequoia and Kings Canyon National Parks, California
  • 7.5 Minute USGS Quad: 36118-E7—Giant Forest, California
  • PEDON

  • Describers Name: Julie Baker, Cathy Scott, Theresa Kunch
  • Current Taxonomic Class: Sandy, isotic, mesic Vitrandic Humixerepts
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - Tharpslog
  • Taxonomic Class - Sandy, isotic, mesic Typic Humixerepts
  • Taxon Kind - series
  • PSC - 28 to 103 cm.
  • Classificaton Date - 11/19/2014
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: colluvium derived from granite
  • Landscape: mountains
  • Landform: mountain slope
  • Geomorphic Component Hills: side slope
  • Geomorphic Component Mountains: mountainflank, center third
  • Hill Slope Profile: backslope
  • Slope Complexity: complex
  • Slope Shape Across: concave
  • Slope Shape Down: linear
  • Drainage Class: somewhat excessively
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: indurated granite with 10 to <45
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/11/2014 (actual site observation date)
  • Data Collector: Julie Baker, Cathy Scott, Theresa Kunch
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - conifers
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • 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 % % % % % % % % % % % % %

    Oi

    A

    AB

    Bw1

    Bw2

    Bw3

    C1

    C2

    0

    3

    10

    31

    54

    77

    121

    158

    3

    10

    31

    54

    77

    121

    158

    210

    4.9

    2

    2.4

    3.4

    4.4

    5.7

    4.3

    20.7

    18.7

    15.9

    16.3

    16.8

    13.6

    11.2

    74.4

    79.3

    81.7

    80.3

    78.8

    80.7

    84.5

    cosl

    lcos

    lcos

    lcos

    lcos

    ls

    lcos

    90

    95

    5.9

    6.3

    6.4

    6.3

    6.2

    6.2

    6.2

    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

    Oi

    A

    AB

    Bw1

    Bw2

    Bw3

    C1

    C2

    0

    3

    10

    31

    54

    77

    121

    158

    3

    10

    31

    54

    77

    121

    158

    210

    9.9

    10.6

    10.2

    9.9

    9.6

    9.2

    9.7

    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 %

    Oi

    A

    AB

    Bw1

    Bw2

    Bw3

    C1

    C2

    0

    3

    10

    31

    54

    77

    121

    158

    3

    10

    31

    54

    77

    121

    158

    210

    Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ABCO

    CADE27

    CORNU

    PILA

    Abies concolor

    Calocedrus decurrens

    Cornus

    Pinus lambertiana

    white fir

    incense cedar

    dogwood

    sugar pine

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

    umbric epipedon

    3—31

    —28—

    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

    36

    1981

    345

    Oi—0 to 3 centimeters (0.0 to 1.2 inches);, very dark gray (10YR 3/1), moist; slightly decomposed plant material; fragments; noneffervescent; moderately acid, pH 5.9, pH indicator solutions; abrupt smooth boundary. Lab sample # 15N02528; moist when described; observed in pit, small
    A—3 to 10 centimeters (1.2 to 3.9 inches); very dark grayish brown (10YR 3/2), very dark brown (10YR 2/2), moist; coarse sandy loam; 74 percent sand; 21 percent silt; 5 percent clay; weak medium subangular blocky structure; soft, very friable, slightly sticky, nonplastic; nonsmeary; few (0.5) very fine roots throughout and few (0.5) fine roots throughout; 4.0 very fine irregular and few (4.0) fine irregular pores; 10 percent by volume nonflat subangular indurated 2-39-75 millimeter granite fragments; 1 percent of charcoal, 2-5mm; noneffervescent; slightly acid, pH 6.3, pH indicator solutions; abrupt smooth boundary. Lab sample # 15N02529; moist when described; observed in pit, small
    AB—10 to 31 centimeters (3.9 to 12.2 inches); brown (10YR 4/3), dark brown (10YR 3/3), moist; gravelly loamy coarse sand; 79 percent sand; 19 percent silt; 2 percent clay; weak medium subangular blocky structure; soft, very friable, slightly sticky, nonplastic; nonsmeary; 1.0 very fine roots throughout and common (1.0) medium roots throughout and few (1.0) fine roots throughout and common (0.5) coarse roots throughout; 4.0 very fine irregular and few (4.0) fine irregular pores; 25 percent by volume nonflat subangular indurated 2-39-75 millimeter granite fragments; 2 percent of charcoal, 5-10mm; noneffervescent; slightly acid, pH 6.4, pH indicator solutions; clear wavy boundary. Lab sample # 15N02530; moist when described; observed in pit, small
    Bw1—31 to 54 centimeters (12.2 to 21.3 inches); brown (10YR 5/3), dark yellowish brown (10YR 3/4), moist; gravelly loamy coarse sand; 82 percent sand; 16 percent silt; 2 percent clay; weak fine subangular blocky, and weak medium subangular blocky structure; soft, very friable, slightly sticky, nonplastic; nonsmeary; few (1.0) very fine roots throughout and few (1.0) very coarse roots throughout and few (2.0) medium roots throughout and few (1.0) fine roots throughout and few (2.0) coarse roots throughout; 4.0 very fine irregular and few (4.0) fine irregular pores; 18 percent by volume nonflat subrounded strongly coherent cemented 2-39-75 millimeter granite fragments; 1 percent of charcoal, 5-10mm; noneffervescent; slightly acid, pH 6.3, pH indicator solutions; gradual smooth boundary. Lab sample # 15N02531; moist when described; observed in pit, small
    Bw2—54 to 77 centimeters (21.3 to 30.3 inches); yellowish brown (10YR 5/4), dark yellowish brown (10YR 4/4), moist; gravelly loamy coarse sand; 80 percent sand; 16 percent silt; 3 percent clay; weak medium subangular blocky, and weak coarse subangular blocky structure; soft, very friable, nonsticky, nonplastic; nonsmeary; few (1.0) very fine roots throughout and few (0.5) very coarse roots throughout and few (2.0) medium roots throughout and few (1.0) fine roots throughout and few (1.0) coarse roots throughout; 4.0 very fine irregular and few (2.0) fine irregular pores; 20 percent by volume nonflat subrounded strongly coherent cemented 2-39-75 millimeter granite fragments; noneffervescent; slightly acid, pH 6.2, pH indicator solutions; gradual smooth boundary. Lab sample # 15N02532; dry when described; observed in pit, small
    Bw3—77 to 121 centimeters (30.3 to 47.6 inches); yellowish brown (10YR 5/4), dark yellowish brown (10YR 4/4), moist; gravelly loamy coarse sand; 79 percent sand; 17 percent silt; 4 percent clay; weak fine subangular blocky structure; soft, very friable, nonsticky, nonplastic; nonsmeary; few (0.5) very fine roots throughout and few (1.0) medium roots throughout and few (1.0) fine roots throughout and few (0.5) coarse roots throughout; 3.0 very fine irregular and few (3.0) fine irregular pores; 15 percent by volume nonflat subrounded strongly coherent cemented 2-39-75 millimeter granite fragments; noneffervescent; slightly acid, pH 6.2, pH indicator solutions; clear smooth boundary. Lab sample # 15N02533; dry when described; observed in pit, small
    C1—121 to 158 centimeters (47.6 to 62.2 inches); light yellowish brown (2.5Y 6/3), olive brown (2.5Y 4/3), moist; gravelly loamy sand; 81 percent sand; 14 percent silt; 6 percent clay; weak medium subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; few (0.2) very fine roots throughout and few (0.5) medium roots throughout and few (0.2) fine roots throughout and few (0.5) coarse roots throughout; 2.0 very fine irregular and few (2.0) fine irregular pores; 25 percent by volume nonflat subrounded strongly coherent cemented 2-39-75 millimeter granite fragments; noneffervescent; slightly acid, pH 6.2, pH indicator solutions; gradual smooth boundary. Lab sample # 15N02534; dry when described; observed in pit, small
    C2—158 to 210 centimeters (62.2 to 82.7 inches); light yellowish brown (2.5Y 6/3), olive brown (2.5Y 4/3), moist; gravelly loamy coarse sand; 85 percent sand; 11 percent silt; 4 percent clay; weak medium subangular blocky structure; moderately hard, firm, nonsticky, nonplastic; few (0.5) medium roots throughout and few (0.2) fine roots throughout; 2.0 very fine irregular and few (2.0) fine irregular pores; 5 percent by volume nonflat subrounded strongly coherent cemented 75-163-250 millimeter granite fragments and 25 percent by volume nonflat subrounded strongly coherent cemented 2-39-75 millimeter granite fragments; noneffervescent; slightly acid, pH 6.2, pH indicator solutions. Lab sample # 15N02535; dry when described; observed in pit, small