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Kluane Lake 2003 photographs - print roll 5
2023.2.2.8.12 · File · 2003
Part of Dr. Paul Sanborn fonds

This file contains the following photographs in both print photograph and negative format:

Slims River delta
Date: August 11, 2003
(location not recorded)
Print roll 5, #1-3 (Corresponding slides: Slides roll 3, #15-14)

Grizzly bear
Date: August 12, 2003
(beside Cultus Bay Rd.; location not recorded)
Print roll 5, #6-7

Y03-08 (Cultus Bay Rd. – at top of switchbacks)
Date: August 12, 2003
Location Coordinates: 61° 3’ 43.1” N, 138° 21’ 4.0” W, 833.8 m asl (± 5.1 m)
Site Description: good exposure of loess (35 cm) with Slims Soil over glaciofluvial terrace – pinches out downslope [note: this site was sampled because of development of buried paleosol, and was not part of biological crust study by Marsh et al. (2006)]
Sample Depths & Descriptions:

  • Y03-08-01 - 45-48 cm - Ahkb (7.5YR 3/3 d; strongly effervescent)
  • Y03-08-02 - 48-56 cm - Bmkb (7.5YR 4/3 d; strongly effervescent)
  • Y03-08-03 - 56-70 cm - Ccab (2.5Y 5/2 d; strongly effervescent)
  • (not sampled) - 70 cm+ - IICca (glaciofluvial; strongly effervescent)
  • Intact sample: 56-36 cm - depth (including Slims Soil)
    Print roll 5, #8-10, 17-18 (Corresponding slides: Slides roll 3, #13-11, 5-4)

Y03-09 (cliff top on E. shore of Kluane L. at Christmas Bay)
Date: August 12, 2003
Location Coordinates: 61° 4’ 0.0” N, 138° 22’ 35.3” W, 828.3 m asl (± 7.3 m)
Site Description: ~ 60 cm loess over glaciofluvial gravels
Sample Depths & Descriptions:

  • Y03-09-01 - Nostoc crust
  • Y03-09-02 - Tortula ruralis – Cetraria crust
  • Y03-09-03 - 0-14 cm - ACk (10YR 3\2 d)
  • Y03-09-04 - 14-16 cm - Ahkb1 (10YR 2/2 d)
  • Y03-09-05 - 16-18 cm - Ck1 (10YR 4/3 d)
  • Y03-09-06 - 18-20 cm - Ahkb2 (10YR 3/2 d; discontinuous)
  • Y03-09-07 - 20-27 cm - Bmkb1 (10YR 4/3 d)
  • Y03-09-08 - 27-33 cm - Bmkb2 (7.5YR 4/3 d)
  • Y03-09-09 - 33-46 cm - Bmkb3 (10YR 4/3 d)
  • Y03-09-10 - 46-55 cm - Ck2 (2.5Y 5/3 d)
  • (not sampled) - 55-60 cm+ - IICk (glaciofluvial gravels)
    Print roll 5, #11-15 (Corresponding slides: Slide roll 3, #10-6)

Y03-10 (shore bluff N. of Silver City)
Date: August 12, 2003
Location Coordinates: 61° 2’ 55.0” N, 138° 23’ 17.2” W, 806.7 m asl (± 7.3 m)
Site Description: 70% slope, SW aspect; vegetation: Elymus, Carex, Artemisia, Erigeron
Sample Depths & Descriptions:

  • Y03-10-01 - Crust
  • Y03-10-02 - 0-18 cm - ACk (10YR 4/2 m; strongly effervescent)
  • Y03-10-03 - 18-25 cm - Ahkb(?) (10YR 4/2 m; strongly effervescent)
  • Y03-10-04 - 25-40 cm - Ck (2.5Y 5/2.5 m; strongly effervescent)
  • (not sampled) - 40 cm+ - IICk (glaciofluvial gravels; strongly effervescent)
    Print roll 5, #19-22 (Corresponding slides: Slide roll 3, #3-1)

Silver City ghost town (location not recorded)
Date: August 12, 2003
Print roll 5, #23-24

Y03-11 (Silver City road section)
Date: August 12, 2003
Location Coordinates: 61° 2’ 3.6” N, 138° 22’ 48.8” W, 806.7 m asl (± 8.7 m)
Site Description: roadcut through SW-facing hill exposes loess over glaciofluvial gravel, with 4 paleosols in colluviated loess
Sample Depths & Descriptions:

  • Y03-11-01 - 0-18 cm - ACk (fresh loess)
  • Y03-11-02 - 18-47 cm - Soil 1 – Bmk
  • Y03-11-03 - 47-100 cm - Loess
  • Y03-11-04 - 100-110 cm - Soil 2 – includes charcoal
  • Y03-11-05 - 110-160 cm - Loess with secondary carbonate in root channel
  • Y03-11-06 - 160-170 cm - Soil 3 – Ahk with charcoal
  • Y03-11-07 - 160-170 cm - Soil 3 – Bmk
  • Y03-11-08 - 170-198 cm - Loess with secondary carbonate in root channel
  • Y03-11-09 - 198-202 cm - Soil 4 – Ahk – laterally continuous for ~ 1.5 m
  • Y03-11-10 - 202-230 cm - Loess with secondary carbonates in roots
  • Y03-11-11 - 230-255 cm - Soil 5 – Ahk – includes abundant charcoal bands
  • Y03-11-12 - 230-255 cm - Soil 5 – Bmk – infilled squirrel burrows immediately below
  • Y03-11-13 - 255-300 cm+ - Loess
    Additional notes on modern soil & paleosols:
    Soil 1
  • consists of Bmk horizon material with 2 distinct colours: 7.5YR 4/3 d & 10YR 4/3 d
  • loess between Soils 1 & 3 is sandier
    Soil 2
  • 90% Ahk material, 2-10 cm thick
  • Ahk – 10YR 3/2 d
  • Bmk – 7.5YR 4/2 d
  • less abundant carbonate than in paleosols & loess below
    Soil 3 - most of exposure has Ahk (2-5 cm thick) over Bmk (4-10 cm thick), with carbonates as for Soil 5
    Soil 4 - mostly Ahk (10YR 3/2 d) material 2-8 cm thick, some Bmk (10YR 4/2 d) < 2 cm thick, with carbonates as for Soil 5
    Soil 5
  • complex intermixing of Ahk & Bmk material, charcoal most abundant in Ahk
  • individual colour bands 2-10 cm thick
  • overall dip of horizons (10° to W) is parallel to surface
  • similar size & density of secondary carbonates as in loess above & below; associated with root channels, < 5 mm diameter, covering ~ 5% of surface
    Print roll 5, #26-30 (Corresponding slides: Slide roll 4, #36-32)
Kluane Lake 2003 photographs - print roll 4
2023.2.2.8.11 · File · 2003
Part of Dr. Paul Sanborn fonds

This file contains the following photographs in both print photograph and negative format:

Y03-06
Date: August 10, 2003
Location Coordinates: 61° 4’ 1.5” N, 138° 21’ 57.4” W, 825.3 m asl (± 9.5 m)
Site Description: top of slope, E aspect
Sample Depths & Descriptions:

  • Y03-06-01 - Crust
  • Y03-06-02 - 0-6 cm - Ahk (10YR 3/2 m; strongly effervescent)
  • Y03-06-03 - 6-14 cm - Bmk (2.5Y 3/3 m; strongly effervescent)
  • Y03-06-04 - 14 cm+ - IICk (strongly effervescent)
    Print roll 4, #1-2 (Corresponding slides: Slide roll 3 #36-35)

Y03-07 (peninsula near Kluane visitor centre, Sheep Mt.)
Date: August 11, 2003
Location Coordinates: 61° 1’ 42.8” N, 138° 29’ 36.2” W, 786.7 m asl (± 5.7 m)
Site Description:

  • recent (?) landslide with loess accumulation in pockets, thinner on boulder surfaces, dominated by dark cyanobacteria crusts
  • limited loess accumulation due to exposure of site
  • crust is calcareous at surface
    Sample Depths & Descriptions:
  • Y03-07-01 - Crust
  • Y03-07-02 - 0-6 cm - Ck
  • Y03-07-03 - 6-9 cm - Ahkb
  • Y03-07-03 - 9 cm+ - Rock
    Print roll 4, #3-10 (Corresponding slides: Slide roll 3 #34-30)

Lower Slims River (lookout knoll at parking lot N of visitor centre)
Date: August 11, 2003
Location Coordinates: 60° 59’ 56.4” N, 138° 33’ 36.4” W, 844.8 m asl (± 7.3 m)
Site Description: some fire disturbance, but lower slopes have more intact crusts on loess (calcareous to surface)
Print roll 4, #11-17 (Corresponding slides: Slide roll 3 #29-26)

Lower Slims R (lowest bench below lookout knoll)
Date: August 11, 2003
Location Coordinates: 60° 59’ 51.8” N, 138° 33’ 36.2” W, 814.3 m asl (± 7.9 m)
Site Description: not burned; good intact crust; vegetation: A. frigida, Calamogrostis purpurea, Erigeron caespitosus, Linnaea, Carex filifolia (sparse cover ~ 50%)
Print roll 4, #18-20 (Corresponding slides: Slide roll 3, #25-23)

Slims Soil
(Holocene paleosol with well-developed B horizon under Neoglacial calcareous loess – location not recorded, but likely from roadcut exposure along main Slims R trail)
Print roll 4, #21 (Corresponding slides: Slides roll 3, #22)

S-facing opening above main trail
Date: August 11, 2003
Location Coordinates: 60° 59’ 53.1” N, 138° 34’ 9.0” W, 822.9 m asl (± 15.0 m)
Site Description:

  • Nostoc crust, also with Collema
  • calcareous to surface
  • site has later successional stage, with Arctostaphylos & Juniperus starting to move in
    Print roll 4, # 22-25

Lower end of Sheep Creek
Date: August 11, 2003
Misc. views of grassland vegetation and landscape (locations not recorded)
Print roll 4, #26-33 (Corresponding slides: Slides roll 3, #21-18)

Overlook at lower end of Sheep Creek canyon
Date: August 11, 2003
Location Coordinates: 60° 59’ 42.2” N, 138° 34’ 38.1” W, 878.0 m asl (± 9.5 m)
Site Description: heavy use by sheep (abundant droppings) but still has ~ 50% crust coverage
Print roll 4, #34-35 (Corresponding slides: Slides roll 3, #17-16)

Downvalley view toward Slims R delta, near Sheep Creek (?)
Date: August 11, 2003
(location not recorded)
Print roll 4, #36-E
Kluane Lake 2003 photographs - print roll 3
2023.2.2.8.10 · File · 2003
Part of Dr. Paul Sanborn fonds

This file contains the following photographs in both print photograph and negative format:

Slims River delta
Date: August 10, 2003
Location Coordinates: 61° 00’ 16.5” N, 138° 30’ 45.6” W, 790 m asl (± 11.0 m)
Print roll 3, #5A-6A: delta surface with salt efflorescences (Deschampsia caespitosa, Puchinella nuttalli, Aster siberica, Triglauca palustre); Juncus & Ranunculus on more active surface near river.

7A-9A: moister Deschampsia site, polygonal cracking patterns (W side of highway)

10A-12A: closeups of efflorescences

Cultus Bay / Rat Lake
Date: August 10, 2003
Location Coordinates: 61° 09’ 57.1” N, 138° 25’ 25.5” W, 806 m asl (± 6.2 m)
Slides #17-15: Rat Lake area (corresponding prints and negatives: Print roll 3, #13A-16A)
Print roll 3, #17A-19A: Collema & Psora crusts on exposed ridge on coarser substrate where loess has blown off (Corresponding slides: Slide Roll 2 #14-13)

Y03-03 (Rat Lake)
Date: August 10, 2003
Location Coordinates: 61° 10’ 3.5” N, 138° 25’ 37.2” W, 798.3 m asl (± 13.0 m)
Site Description: SW aspect, 45% slope; vegetation: Carex filifolia, A. frigida, Elymus trachycaulis
Sample Depths & Descriptions:

  • Y03-03-01 - Crust
  • Y03-03-02 - 0-9 cm - Ahk (10YR 4/2 m; weak-moderate, fine granular)
  • Y03-03-03 - 9-53 cm+ - Ck (2.5Y 6/3 m; massive)
    Print roll 3, #20A-22A (Corresponding slides: Slide Roll 2: #12-10)

Y03-04 (Rat Lake)
Date: August 10, 2003
Location Coordinates: 61° 10’ 10.5” N, 138° 26’ 3.7” W, 800.2 m asl (± 8.7 m)
Site Description: S aspect, 40% slope; vegetation: Elymus, Artemisia, flax, Penstemon, Linum lewisii
Sample Depths & Descriptions:

  • Y03-04-01 - Crust
  • Y03-04-02 - 0-6 cm - Ck (strongly effervescent)
  • Y03-04-03 - 6-16 cm - Ahkb
  • Y03-04-04 -16-75 cm+ - Ck (strongly effervescent; includes Bmk pockets)
    Print roll 3, #25A-28A (Corresponding Slides: Slide Roll 2: #9-7)

Y03-05 (SE of Rat Lake)
Date: August 10, 2003
Location Coordinates: 61° 9’ 43.2” N, 138° 25’ 34.8” W, 811.5 m asl (± 8.9 m)
Site Description: upper slope / crest; recent local sandy eolian veneer over older loess; vegetation: Carex, Elymus, Poa, Erigeron
Sample Depths & Descriptions:

  • Y03-05-01 - Crust
  • Y03-05-02 - 0-5 cm - Ahk
  • Y03-05-03 - 5-19 cm - Ck1
  • Y03-05-04 - 19-31 cm - Ahkb (siltier)
  • Y03-05-05 - 31-50 cm+ - Ck2
    Print roll 3, #34A-#E (Corresponding Slides: Slide Roll 2: Slides #6-1)
Kluane Lake 2003 photographs - slide roll 4
2023.2.2.8.09 · File · 2003
Part of Dr. Paul Sanborn fonds

Slide roll contains the following photographs:

Y03-11 (Silver City road section)
Date: August 12, 2003
Location Coordinates: 61° 2’ 3.6” N, 138° 22’ 48.8” W, 806.7 m asl (± 8.7 m)
Site Description: roadcut through SW-facing hill exposes loess over glaciofluvial gravel, with 4 paleosols in colluviated loess
Sample Depths & Descriptions:

  • Y03-11-01 - 0-18 cm - ACk (fresh loess)
  • Y03-11-02 - 18-47 cm - Soil 1 – Bmk
  • Y03-11-03 - 47-100 cm - Loess
  • Y03-11-04 - 100-110 cm - Soil 2 – includes charcoal
  • Y03-11-05 - 110-160 cm - Loess with secondary carbonate in root channel
  • Y03-11-06 - 160-170 cm - Soil 3 – Ahk with charcoal
  • Y03-11-07 - 160-170 cm - Soil 3 – Bmk
  • Y03-11-08 - 170-198 cm - Loess with secondary carbonate in root channel
  • Y03-11-09 - 198-202 cm - Soil 4 – Ahk – laterally continuous for ~ 1.5 m
  • Y03-11-10 - 202-230 cm - Loess with secondary carbonates in roots
  • Y03-11-11 - 230-255 cm - Soil 5 – Ahk – includes abundant charcoal bands
  • Y03-11-12 - 230-255 cm - Soil 5 – Bmk – infilled squirrel burrows immediately below
  • Y03-11-13 - 255-300 cm+ - Loess
    Additional notes on modern soil & paleosols:
    Soil 1
  • consists of Bmk horizon material with 2 distinct colours: 7.5YR 4/3 d & 10YR 4/3 d
  • loess between Soils 1 & 3 is sandier
    Soil 2
  • 90% Ahk material, 2-10 cm thick
  • Ahk – 10YR 3/2 d
  • Bmk – 7.5YR 4/2 d
  • less abundant carbonate than in paleosols & loess below
    Soil 3 - most of exposure has Ahk (2-5 cm thick) over Bmk (4-10 cm thick), with carbonates as for Soil 5
    Soil 4 - mostly Ahk (10YR 3/2 d) material 2-8 cm thick, some Bmk (10YR 4/2 d) < 2 cm thick, with carbonates as for Soil 5
    Soil 5
  • complex intermixing of Ahk & Bmk material, charcoal most abundant in Ahk
  • individual colour bands 2-10 cm thick
  • overall dip of horizons (10° to W) is parallel to surface
  • similar size & density of secondary carbonates as in loess above & below; associated with root channels, < 5 mm diameter, covering ~ 5% of surface
    Slide roll 4, #36-32 (corresponding prints and negatives: Print roll 5, #26-30)

Y03-12 (island off Slims River delta)
Date: August 13, 2003
Location Coordinates: 61° 1’ 9.1” N, 138° 29’ 27.9” W, 819 m asl (± 6.0 m)
Site Description: good grassland development on undulating aeolian veneer over bedrock, SW aspect; vegetation: A. frigida, C. purpurescens, P. glauca, Erigeron, Plantago, Oxytropis; good crust cover, mossy on more northerly aspects
Sample Depths & Descriptions:

  • Y03-12-01 - Crust
  • Y03-12-02 - 0-10 cm - ACk
    Slide roll 4, #31-10 (miscellaneous site views of Y03-12 & Slims R delta island)
Kluane Lake 2003 photographs - slide roll 3
2023.2.2.8.08 · File · 2003
Part of Dr. Paul Sanborn fonds

Slide roll contains the following photographs:

Y03-06
Date: August 10, 2003
Location Coordinates: 61° 4’ 1.5” N, 138° 21’ 57.4” W, 825.3 m asl (± 9.5 m)
Site Description: top of slope, E aspect
Sample Depths & Descriptions:

  • Y03-06-01 - Crust
  • Y03-06-02 - 0-6 cm - Ahk (10YR 3/2 m; strongly effervescent)
  • Y03-06-03 - 6-14 cm - Bmk (2.5Y 3/3 m; strongly effervescent)
  • Y03-06-04 - 14 cm+ - IICk (strongly effervescent)
    Slide roll 3 #36-35 (corresponding prints and negatives: Print roll 4, #1-2)

Y03-07 (peninsula near Kluane visitor centre, Sheep Mt.)
Date: August 11, 2003
Location Coordinates: 61° 1’ 42.8” N, 138° 29’ 36.2” W, 786.7 m asl (± 5.7 m)
Site Description:

  • recent (?) landslide with loess accumulation in pockets, thinner on boulder surfaces, dominated by dark cyanobacteria crusts
  • limited loess accumulation due to exposure of site
  • crust is calcareous at surface
    Sample Depths & Descriptions:
  • Y03-07-01 - Crust
  • Y03-07-02 - 0-6 cm - Ck
  • Y03-07-03 - 6-9 cm - Ahkb
  • Y03-07-03 - 9 cm+ - Rock
    Slide roll 3 #34-30 (corresponding prints and negatives: Print roll 4, #3-10)

Lower Slims River (lookout knoll at parking lot N of visitor centre)
Date: August 11, 2003
Location Coordinates: 60° 59’ 56.4” N, 138° 33’ 36.4” W, 844.8 m asl (± 7.3 m)
Site Description: some fire disturbance, but lower slopes have more intact crusts on loess (calcareous to surface)
Slide roll 3 #29-26 (corresponding prints and negatives: Print roll 4, #11-17)

Lower Slims R (lowest bench below lookout knoll)
Date: August 11, 2003
Location Coordinates: 60° 59’ 51.8” N, 138° 33’ 36.2” W, 814.3 m asl (± 7.9 m)
Site Description: not burned; good intact crust; vegetation: A. frigida, Calamogrostis purpurea, Erigeron caespitosus, Linnaea, Carex filifolia (sparse cover ~ 50%)
Slide roll 3, #25-23 (corresponding prints and negatives: Print roll 4, #18-20)

Slims Soil
(Holocene paleosol with well-developed B horizon under Neoglacial calcareous loess – location not recorded, but likely from roadcut exposure along main Slims R trail)
Slides roll 3, #22 (corresponding prints and negatives: Print roll 4, #21)

Lower end of Sheep Creek
Date: August 11, 2003
Misc. views of grassland vegetation and landscape (locations not recorded)
Slides roll 3, #21-18 (corresponding prints and negatives: Print roll 4, #26-33)

Overlook at lower end of Sheep Creek canyon
Date: August 11, 2003
Location Coordinates: 60° 59’ 42.2” N, 138° 34’ 38.1” W, 878.0 m asl (± 9.5 m)
Site Description: heavy use by sheep (abundant droppings) but still has ~ 50% crust coverage
Slides roll 3, #17-16 (corresponding prints and negatives: Print roll 4, #34-35)

Slims River delta
Date: August 11, 2003
(location not recorded)
Slides roll 3, #15-14: salt efflorescences (corresponding prints and negatives: Print roll 5, #1-3)

Y03-08 (Cultus Bay Rd. – at top of switchbacks)
Date: August 12, 2003
Location Coordinates: 61° 3’ 43.1” N, 138° 21’ 4.0” W, 833.8 m asl (± 5.1 m)
Site Description: good exposure of loess (35 cm) with Slims Soil over glaciofluvial terrace – pinches out downslope [note: this site was sampled because of development of buried paleosol, and was not part of biological crust study by Marsh et al. (2006)]
Sample Depths & Descriptions:

  • Y03-08-01 - 45-48 cm - Ahkb (7.5YR 3/3 d; strongly effervescent)
  • Y03-08-02 - 48-56 cm - Bmkb (7.5YR 4/3 d; strongly effervescent)
  • Y03-08-03 - 56-70 cm - Ccab (2.5Y 5/2 d; strongly effervescent)
  • (not sampled) - 70 cm+ - IICca (glaciofluvial; strongly effervescent)
  • Intact sample: 56-36 cm - depth (including Slims Soil)
    Slides roll 3, #13-11, 5-4 (corresponding prints and negatives: Print roll 5, #8-10, 17-18)

Y03-09 (cliff top on E. shore of Kluane L. at Christmas Bay)
Date: August 12, 2003
Location Coordinates: 61° 4’ 0.0” N, 138° 22’ 35.3” W, 828.3 m asl (± 7.3 m)
Site Description: ~ 60 cm loess over glaciofluvial gravels
Sample Depths & Descriptions:

  • Y03-09-01 - Nostoc crust
  • Y03-09-02 - Tortula ruralis – Cetraria crust
  • Y03-09-03 - 0-14 cm - ACk (10YR 3\2 d)
  • Y03-09-04 - 14-16 cm - Ahkb1 (10YR 2/2 d)
  • Y03-09-05 - 16-18 cm - Ck1 (10YR 4/3 d)
  • Y03-09-06 - 18-20 cm - Ahkb2 (10YR 3/2 d; discontinuous)
  • Y03-09-07 - 20-27 cm - Bmkb1 (10YR 4/3 d)
  • Y03-09-08 - 27-33 cm - Bmkb2 (7.5YR 4/3 d)
  • Y03-09-09 - 33-46 cm - Bmkb3 (10YR 4/3 d)
  • Y03-09-10 - 46-55 cm - Ck2 (2.5Y 5/3 d)
  • (not sampled) - 55-60 cm+ - IICk (glaciofluvial gravels)
    Slide roll 3, #10-6 (corresponding prints and negatives: Print roll 5, #11-15)

Y03-10 (shore bluff N. of Silver City)
Date: August 12, 2003
Location Coordinates: 61° 2’ 55.0” N, 138° 23’ 17.2” W, 806.7 m asl (± 7.3 m)
Site Description: 70% slope, SW aspect; vegetation: Elymus, Carex, Artemisia, Erigeron
Sample Depths & Descriptions:

  • Y03-10-01 - Crust
  • Y03-10-02 - 0-18 cm - ACk (10YR 4/2 m; strongly effervescent)
  • Y03-10-03 - 18-25 cm - Ahkb(?) (10YR 4/2 m; strongly effervescent)
  • Y03-10-04 - 25-40 cm - Ck (2.5Y 5/2.5 m; strongly effervescent)
  • (not sampled) - 40 cm+ - IICk (glaciofluvial gravels; strongly effervescent)
    Slide roll 3, #3-1 (corresponding prints and negatives: Print roll 5, #19-22)
Kluane Lake 2003 photographs - slide roll 2
2023.2.2.8.07 · File · 2003
Part of Dr. Paul Sanborn fonds

Slide roll contains the following photographs:

Cultus Bay / Rat Lake
Date: August 10, 2003
Location Coordinates: 61° 09’ 57.1” N, 138° 25’ 25.5” W, 806 m asl (± 6.2 m)
Slides #17-15: Rat Lake area (corresponding prints and negatives: Print roll 3, #13A-16A)
Slides #14-13: Collema & Psora crusts on exposed ridge on coarser substrate where loess has blown off (Corresponding prints and negatives: Print roll 3, #17A-19A)

Y03-03 (Rat Lake)
Date: August 10, 2003
Location Coordinates: 61° 10’ 3.5” N, 138° 25’ 37.2” W, 798.3 m asl (± 13.0 m)
Site Description: SW aspect, 45% slope; vegetation: Carex filifolia, A. frigida, Elymus trachycaulis
Sample Depths & Descriptions:

  • Y03-03-01 - Crust
  • Y03-03-02 - 0-9 cm - Ahk (10YR 4/2 m; weak-moderate, fine granular)
  • Y03-03-03 - 9-53 cm+ - Ck (2.5Y 6/3 m; massive)
    Slides #12-10 (corresponding prints and negatives: Print roll 3, #20A-22A)

Y03-04 (Rat Lake)
Date: August 10, 2003
Location Coordinates: 61° 10’ 10.5” N, 138° 26’ 3.7” W, 800.2 m asl (± 8.7 m)
Site Description: S aspect, 40% slope; vegetation: Elymus, Artemisia, flax, Penstemon, Linum lewisii
Sample Depths & Descriptions:

  • Y03-04-01 - Crust
  • Y03-04-02 - 0-6 cm - Ck (strongly effervescent)
  • Y03-04-03 - 6-16 cm - Ahkb
  • Y03-04-04 -16-75 cm+ - Ck (strongly effervescent; includes Bmk pockets)
    Slides #9-7 (corresponding prints and negatives: Print roll 3, #25A-28A)

Y03-05 (SE of Rat Lake)
Date: August 10, 2003
Location Coordinates: 61° 9’ 43.2” N, 138° 25’ 34.8” W, 811.5 m asl (± 8.9 m)
Site Description: upper slope / crest; recent local sandy eolian veneer over older loess; vegetation: Carex, Elymus, Poa, Erigeron
Sample Depths & Descriptions:

  • Y03-05-01 - Crust
  • Y03-05-02 - 0-5 cm - Ahk
  • Y03-05-03 - 5-19 cm - Ck1
  • Y03-05-04 - 19-31 cm - Ahkb (siltier)
  • Y03-05-05 - 31-50 cm+ - Ck2
    Slides #6-1 (corresponding prints and negatives: Print roll 3, #34A-#E)
Soils research at Kluane Lake, Yukon
Soils research at Kluane Lake, Yukon
2023.2.2.8 · Subseries · 2003-2014
Part of Dr. Paul Sanborn fonds

The Kluane Lake area of SW Yukon was a continuing focus of Dr. Paul Sanborn's research for more than a decade, and generated several productive collaborations. Key themes included biological soil crusts in boreal grasslands, and interactions between aeolian sediment deposition, slope processes, and fire in boreal grassland and forest soils.

Research results appeared in these publications:
Marsh, J., Nouvet, S., Sanborn, P., and Coxson, D. 2006. Composition and function of biological soil crust communities along topographic gradients in grasslands of central interior British Columbia (Chilcotin) and southwestern Yukon (Kluane). Canadian Journal of Botany 84: 717-736. https://doi.org/10.1139/b06-026

Pautler, B.G., Reichart, G.-J., Sanborn, P.T., Simpson, M.J., and Weijers, J.W.H. 2014. Comparison of soil derived tetraether membrane lipid distributions and plant-wax δD compositions for reconstruction of Canadian Arctic temperatures. Palaeogeography, Palaeoclimatology, Palaeoecology 404: 78-88. https://doi.org/10.1016/j.palaeo.2014.03.038

Sanborn, P. and A.J.T. Jull. 2010. Loess, bioturbation, fire, and pedogenesis in a boreal forest – grassland mosaic, Yukon Territory, Canada. 19th World Congress of Soil Science, Soil Solutions for a Changing World 1 – 6 August 2010, Brisbane, Australia. http://www.iuss.org/19th%20WCSS/Symposium/pdf/0120.pdf

The 2003 field work with Darwyn Coxson was a pilot study to assess the types and distribution of biological soil crusts in boreal grasslands in the Kluane Lake area. Eight sites were visited at which the team sampled the crust and the uppermost A horizon immediately underneath it. Note that site numbers Y03-03, -04, -05, -06, -07, -09, -10 and -12 were indicated as sites 3, 4, 5, 6, 7, 9, 10 and 12 in Table 1 of Marsh et al. (2006). Additional crust sampling was conducted at two additional sites (“Peninsula”, “Silver City”) in 2004; details of sampling methods and site locations are in Marsh et al. (2006).

Results from 2009 field work were presented in Sanborn and Jull (2010), along with soil charcoal radiocarbon dates from 2003-2008 sampling which were used to reconstruct fire history in the Kluane Lake area. The 2003 (a single site at Silver City), 2004, and 2008 field work consisted of a reconnaissance of grassland and forest sites across a range of aspects and slope positions in order to recover buried soil charcoal.