Landscape Microzones within Thermokarst Depressions of Central Yakutia under Present Climatic Conditions
Abstract
:1. Introduction
2. Materials and Methods
2.1. Study Site
2.2. Sampling and Analysis
3. Results
4. Discussion
5. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Horizon | Depth (cm) | pH | Bulk Density (g/cm3) | Sand (%) | Silt (%) | Clay (%) | C Content (%) |
---|---|---|---|---|---|---|---|
Dry belt | |||||||
AU-Ajca | 0–14 | 8.45 | 1.18 | 74.31 | 22.61 | 3.08 | 2.19 |
EL1gca | 14–25 | 9.60 | 1.55 | 89.86 | 7.80 | 2.34 | 0.70 |
(AU-Ajca) | 25–34 | 9.85 | 1.54 | 77.52 | 12.90 | 9.58 | 1.39 |
EL2gca | 32–36 | 9.85 | – | 63.46 | 29.00 | 7.54 | 1.22 |
Bmgca | 14–32 | 9.70 | 1.55 | 86.70 | 10.04 | 3.26 | 0.75 |
2BCg | 45–120 | 9.25 | – | 34.20 | 51.80 | 14.00 | 1.01 |
3Dg | 120–200 | 8.55 | – | 29.69 | 57.19 | 13.12 | 1.06 |
Middle belt | |||||||
AUca | 0–10 | 9.95 | 0.81 | 43.5 | 47.84 | 8.66 | 14.24 |
LD1ca | 10–20(35) | 9.25 | 0.68 | – | – | – | 39.64 |
LD1gca | 20(35)–52 | 9.15 | 1.04 | – | – | – | 9.73 |
LD2ca | 52–62 | 9.00 | 0.91 | – | – | – | 7.61 |
G1ca | 62–90 | 9.25 | 1.59 | 37.73 | 52.05 | 10.22 | 1.23 |
G2ca | 90–120 | 9.10 | 1.43 | 11.48 | 72.78 | 15.74 | 2.38 |
Gca | 120–230 | 9.25 | – | 65.39 | 28.57 | 6.04 | 1.56 |
Wet belt | |||||||
LDv | 0–3 | – | – | – | – | – | 35.69 |
LD1 | 3–50 | 8.85 | 0.31 | – | – | – | 68.26 |
LD2 | 50–80 | 9.35 | 0.36 | – | – | – | 41.63 |
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Desyatkin, A.; Takakai, F.; Nikolaeva, M. Landscape Microzones within Thermokarst Depressions of Central Yakutia under Present Climatic Conditions. Geosciences 2018, 8, 439. https://doi.org/10.3390/geosciences8120439
Desyatkin A, Takakai F, Nikolaeva M. Landscape Microzones within Thermokarst Depressions of Central Yakutia under Present Climatic Conditions. Geosciences. 2018; 8(12):439. https://doi.org/10.3390/geosciences8120439
Chicago/Turabian StyleDesyatkin, Alexey, Fumiaki Takakai, and Maya Nikolaeva. 2018. "Landscape Microzones within Thermokarst Depressions of Central Yakutia under Present Climatic Conditions" Geosciences 8, no. 12: 439. https://doi.org/10.3390/geosciences8120439