PROFILE N10 – ES.T

 

  • Date of description: 11-02-2000
  • Authors: A.G. Jongmans and F. van Oort, (based on the field guide of COST ACTION 622, Tenerife, 10-12 Februari. 2000, Edited by M. Tejedor and C.C. Jimenez).
  • Location: Tenerife, Highs of Tacoronte (Cone “El Cerro”).
  • Altitude: 1130m

 

  • Coordinates:

 

  •  Classification: Typic Hapludand.

                

 

Soil Climate: Mesic temperature regime, Udic moisture regime
Topography: Hilly.
Landform: Volcano
Land element: Slope
Position: Middle slope
Slope: Generally: moderately steep. The part of the slope in which the soil is situated is gently sloping.
Form: Concave at the profile position.
Landuse/Vegetation: Forest, selected felling; Pine and green forest (Fayal-brezal), some grass and ferns.
Parent material: Basaltic ashes, Holocene
Rock outcrops: None.
Effective soil depth: Very deep.
Erosion: No evidence of erosion.
Drainage Class: Well drained.
Internal drainage: Never saturated, Permeability: moderately rapid.

Moisture conditions: Moist throughout the profile.

 

N10 – ES.T SOIL HORIZON DESCRIPTION:

 

A1: 0-40/50 cm; 5YR3/3; silty loam; few fine and coarse weathered subrounded gravel; moderate and strong very fine granular structure; friable when moist, non sticky and non plastic when wet; few very fine and fine pores; common very fine to coarse roots; abrupt and wavy to:

 

Bw; 40/50-85/90 cm; 2.5YR4/6; silt loam; common subrounded, weathered and strongly weathered fine gravel to stones; moderate and strong fine subangular blocky; few pockets with very fine granular structure; slightly firm when moist, slightly sticky and slightly plastic when wet; common very fine and fine pores; few very fine to coarse roots; clear and wavy to:

 

Bw2b; 85/90-110/120 cm; 5YR4/6; silt loam; common subrounded weathered and strongly weathered fine gravel to stones, locally filled with 2.5YR8/8 neoformed coatings (allophane?); moderate fine subangular blocky; friable when moist, slightly sticky and slightly plastic when wet; many very fine to fine pores; few fine to medium roots; gradual and wavy to:

 

Bw3b; 110/120-220 cm; 2.5YR4/7; silt loam; many fine to coarse gravel, dominantly strongly weathered and changed to iron rich pseudomorphs; moderately fine subangular blocky; friable when moist, slightly sticky and slightly plastic when wet; many very fine and fine pores; few fine to medium roots; clear and wavy to: 

 

2Bw4; >220 cm; 5YR3/3; clay loam; few whitish 10YR8/1 mottles (gibbsite?) up to 2mm; few fine Mn mottles 5YR2.5/1; weak fine subangular blocky; friable when moist, slightly sticky and slightly plastic when wet; many fine pores; few fine roots.

 

 

PROFILE N11 – ES.T

 

  • Date of description: 10-02-2000
  • Authors: A.G. Jongmans and F. van Oort, (based on the field guide of COST ACTION 622, Tenerife, 10-12 Februari. 2000, Edited by M. Tejedor and C.C. Jimenez).
  • Location: Tenerife, Road “Boca Tauce-Guia de Isora (C823) between km 10-11
  • Altitude: 1675m

 

  • Coordinates:

 

  • Classification: Vitric Xerand.