Detailed Soil Survey of the Mount Revelstoke Summit Area.
Detailed Soil Survey of the Mount Revelstoke Summit Area. Detailed Soil Survey of the Mount Revelstoke Summit Area.
TABLE 10 . DEGREE AND NATURE OF SOIL LIMITATIONS FOR SELECTED USES . 47Map Unit Camping Areas Picnic Areas Trails Roads & Parking Lots Buildings : no basements Septic Tank Fields Erosion Hazard1/E moderate - slope slight - slope none to slight moderate - slope moderate - slope moderate - slope moderate1/F severe - slope severe - slope moderate - slope severe - slope severe - slope severe - slope moderate to high1/G severe - slope severe - slope severe - slope severe - slope severe - slope severe - slope high2/F severe - slope severe - slope, erosion moderate - slope severe - soil creep, slope severe - soil creep, slope severe - soil creep, slope highhazard2/G severe - slope severe - slope severe - slope, soil creep severe - slope, soil creep severe - slope, soil creep severe - slope, soil creep high2/H severe - slope severe - slope severe - slope, soil creep severe - slope, soil creep severe - slope, snil creep severe - slope high2+R severe - slope, bedrock severe - slope, bedrock severe - slope, bedrock severe - bedrock, slope severe - slope, bedrock severe - bedrock highG(but small usable areasexist)3/C, 3/D moderate to severe - moderate to severe - moderate to severe - moderate to severe - moderate to severe - moderate - wetness,3/E wetness, organic layers wetness, organic layers wetness, organic layers wetness, organic layers wetness, organic layers slope if E3/F severe - wetness, slope, moderate to severe - moderate to severe - severe - wetness, slope, severe - wetness, severe - wetness, slope highorganic layers wetness, slope, organic wetness, organic layers, organic layers organic layerslayersslope3 +5 severe - wetness severe - wetness severe - wetness, organic severe - wetness, organic severe - wetness, organic severe - wetness, slope highlayers layers, slope layers, slope4/B, 4/C severe - wetness, severe - wetness, organic severe - wetness, severe - wetness, organic severe - wetness, severe - high water table nil _flooding, organic layers layers flooding, organic layers layers, frost action flooding, organic layers (depressional)4/D, 4/F very severe - wetness, very severe - wetness, very severe - wetness, very severe - wetness, very severe - wetness, very severe - wetness, highslope, organic layers slope, organic layers organic layers organic layers, slope (F) organic layers, slope slope--57F- very severe - wetness, very severe - wetness, very severe - wetness, very severe - wetness, very severe - wetness, very severe - wetness, highslope, organic layers organic layers, slope organic layers organic layers, slope organic layers, slope slope6/B, 6/C severe - ponding and severe - ponding and severe - ponding and severe - ponding and severe - ponding and severe - ponding nilhummocky surface hunmocky surface hummocky surface frost action frost action (depressional)7/F severe - slope severe - slope moderate - slope, soil severe - slope, soil creep severe - slope, soil creep severe - slope, soil creep highcreep, erosion hazard7/G severe - slope severe - slope severe - slope, soil creep, severe - slope, soil creep severe - slope, soil creep severe - slope, soil creep higherosion hazard7A/G severe - slope severe - slope severe - slope, soil creep, severe - slope, soil creep severe - avalanche hazard, severe - slope, soil creep higherosion and avalanche and avalanche hazard slope, soil creephazard8/C none to slight none to slight none to slight none to slight none to slight none to slight moderateB/E moderate - slope moderate - slope none to slight moderate - slope moderate - slope moderate - slope moderate8/F severe - slope severe - slope moderate - slope severe - slope severe - slope severe - slope high8/G severe - slope severe - slope severe - slope severe - slope severe - slope severe - slope high8+10 severe - slope severe - slope (but small severe - slope severe - slope, shallow severe - slope severe - shallow to highG usable areas exist) to bedrock bedrock, slope8/H severe - slope severe - slope severe - slope severe - slope severe - slope severe - slope high9/E moderate - slope slight - slope none to slight moderate - slope moderate - slope moderate - slope moderate9/F severe - slope severe - slope moderate - slope severe - slope severe - slope severe - slope high9/G severe - slope severe - slope severe - slope severe - slope severe - slope severe - slope high9+R severe - slope, bedrock severe - slope severe - slope, bedrock severe - slope, bedrock severe - slope, bedrock severe - bedrock highG outcrops outcrops outcrops outcrops outcrops, slope9/H severe - slope severe - slope severe - slope severe - slope severe - slope severe - slope t high10/G, 10/H severe - slope severe - slope severe - slope, shallow severe - slope, shallow severe - slope, shallow severe - shallow to highto bedrock to bedrock to bedrock bedrock, slopeR±10, R+10 ravere - bedrock severe.- bedrock severe - slope, bedrock severe - bedrock severe - slope, bedrock severe - bedrock highG H outcrops, slope outcrops, slope outcrops outcrops, slope outcrops outcrops, slope
uildings, and septic tank filter fields .Besides the physical constraintsof steep slopes,soil instability and erosion hazard increasewith slope .Since most of the area is steeply sloping, recreationalfacilities or sites may have to be designed andconstructed in such away as to reduce slope limitations .In addition there are several soilfactors to be considered when choosing sites for development .Bedrock exposures and shallow (less than 50 cm)depths tobedrock are common in the area and are designated as R and map unit 10,respectively, on the soils map . The combination of bedrock exposuresand the accompanying steep slopes results in severe limitations for generalrecreational use in these areas .These areas cannot be levelled forinstallation of facilities except at considerable cost .Soil wetness causes severe limitations to use in soil map units4 and 5 . These soils are poorly to very poorly drainedand are saturatedwith water through mostciated with groundwateror all of the year .discharge, with theWetness is generally assowatertable being at or veryclose to the soil surface .Some areas are also subjecttofloodingduring the peak runoff periods ;all such areas would bevery difficult,if not impossible, to drain .Soils of map units 4 and 5have organicsurface horizons and tend to silt loam textures in lower horizons .Theseproperties contribute to low bearing strength and high erodibility .The soils of map units 3 and 6 are imperfectly drained, beingwet during early season of use .They have severe limitations for use ascamping or picnic areas due to wetness .Soils of map unit 3 have organicsurface horizons and may also have limitations due to slope, whereasthose of map unit 6 have severe limitations due to the hummocky microtopographyof the soil surface .
- Page 2 and 3: DETAILED SOIL SURVEYOF THEMOUNT REV
- Page 4 and 5: PageSOIL PRODUCTIVITY 53BIBLIOGRAPH
- Page 6 and 7: LIST OF PLATESPagePLATE 1 . Humo-Fe
- Page 8 and 9: INTRODUCTIONIn recent years Parks C
- Page 10 and 11: THE STUDY AREAGeographic LocationTh
- Page 12 and 13: calcareous rocks in the study area
- Page 14 and 15: Mount Copeland (6,060 feet ASL) .At
- Page 16 and 17: METHODS OF INVESTIGATIONField Techn
- Page 18 and 19: 116 . Pyrophosphate-Extractable Alu
- Page 20 and 21: 13FIGURE 2 .DIAGRAM OF A SOIL PROFI
- Page 22 and 23: 15Soils of the Summit AreaThe soils
- Page 24 and 25: MISCELLANEOUS MAPPING UNITSRBedrock
- Page 26 and 27: AhBhf20 cm-Plate l .The Humo-Ferric
- Page 28 and 29: 21extremely sloping land surfaces o
- Page 30 and 31: Soil Map Unit 3(Orthic and Cumulic
- Page 32 and 33: 25These soils have severe limitatio
- Page 34 and 35: 27Horizon Depth (cm) Color Texture
- Page 36 and 37: 295-a20 cm-5 -bPlate 5 .The hummock
- Page 38 and 39: 31stands are made up of Abies lasio
- Page 40 and 41: 6-aAeBfR20 cm-6 -bPlate 6 .The Lith
- Page 42 and 43: 37INTERPRETATIONSSoil Properties an
- Page 44 and 45: 39TABLE 4,GUIDES FOR ASSESSING SOIL
- Page 46 and 47: 41TABLE 6 .GUIDES FOR ASSESSING SOI
- Page 48 and 49: 43TABLE 8 .GUIDES FOR ASSESSING SOI
- Page 50 and 51: 45especially where bedrock is close
- Page 54 and 55: 49The soils of map units 1, 8 and 9
- Page 56 and 57: 51compounds thus inhibiting percola
- Page 58 and 59: 53PRODUCTIVITYProductivity ratings
- Page 60 and 61: S4 XTABLE 11 . DISTRIBUTION OF SOIL
- Page 62 and 63: 57BIBLIOGRAPHYAlberta Department of
- Page 64 and 65: 59Terzaghi, K . and R .B . Peck . 1
- Page 66 and 67: 61ecosystem .While the activities i
- Page 68 and 69: TABLE A. CLASSES OF FRAGILITY FOR P
- Page 70 and 71: TABLE B. CLASSES OF FRAGILITY FOR S
- Page 72 and 73: 67than to channel use to a rarer ty
- Page 74 and 75: 69approximately 10 cm thickness and
- Page 76 and 77: 71ANALYTICAL DATA 1HorizonDepthcmCa
- Page 78 and 79: 73several species of common occurre
- Page 80 and 81: 75Soil Map Unit 3The imperfectly to
- Page 82 and 83: 77Soil Classification :Orthic Regos
- Page 84 and 85: 79ANALYTICAL DATA 3BHorizonDepthcmC
- Page 86 and 87: 81Elevation : 6,000 ft . ASL (1,830
- Page 88 and 89: 82ANALYTICAL DATA 4HorizonDepthcmCa
- Page 90 and 91: Aspect :southeastElevation : 6,200
- Page 92 and 93: Soil Map Unit 6Hummocky microrelief
- Page 94 and 95: ANALYTICAL DATA 6HorizonDepthcmCaC1
- Page 96 and 97: Location : S-7Parent Material :glac
- Page 98 and 99: Soil Map Unit 8These soils have med
- Page 100 and 101: Elevation : 6,250 ft . ASL (1,910 m
uildings, and septic tank filter fields .Besides <strong>the</strong> physical constraints<strong>of</strong> steep slopes,soil instability and erosion hazard increasewith slope .Since most <strong>of</strong> <strong>the</strong> area is steeply sloping, recreationalfacilities or sites may have to be designed andconstructed in such away as to reduce slope limitations .In addition <strong>the</strong>re are several soilfactors to be considered when choosing sites for development .Bedrock exposures and shallow (less than 50 cm)depths tobedrock are common in <strong>the</strong> area and are designated as R and map unit 10,respectively, on <strong>the</strong> soils map . The combination <strong>of</strong> bedrock exposuresand <strong>the</strong> accompanying steep slopes results in severe limitations for generalrecreational use in <strong>the</strong>se areas .These areas cannot be levelled forinstallation <strong>of</strong> facilities except at considerable cost .<strong>Soil</strong> wetness causes severe limitations to use in soil map units4 and 5 . These soils are poorly to very poorly drainedand are saturatedwith water through mostciated with groundwateror all <strong>of</strong> <strong>the</strong> year .discharge, with <strong>the</strong>Wetness is generally assowatertable being at or veryclose to <strong>the</strong> soil surface .Some areas are also subjectt<strong>of</strong>loodingduring <strong>the</strong> peak run<strong>of</strong>f periods ;all such areas would bevery difficult,if not impossible, to drain .<strong>Soil</strong>s <strong>of</strong> map units 4 and 5have organicsurface horizons and tend to silt loam textures in lower horizons .Theseproperties contribute to low bearing strength and high erodibility .The soils <strong>of</strong> map units 3 and 6 are imperfectly drained, beingwet during early season <strong>of</strong> use .They have severe limitations for use ascamping or picnic areas due to wetness .<strong>Soil</strong>s <strong>of</strong> map unit 3 have organicsurface horizons and may also have limitations due to slope, whereasthose <strong>of</strong> map unit 6 have severe limitations due to <strong>the</strong> hummocky microtopography<strong>of</strong> <strong>the</strong> soil surface .