Barrow peatlands (Utqiaġvik)
Alaska, Arctic coastal plain, United States
Soils
- Type
- Soil
Surface peats near Point Barrow, freeze-dried and homogenised, seen by the authors as a modern analogue of some coal-forming environments; δ202Hg from -1.1 to -1.3 ‰ and Δ201Hg from -0.1 to -0.2 ‰ (Biswas et al., 2008). Indicative coordinates (Utqiaġvik).
δ202Hg in ‰ (per mil) Values of the same system
Standard : NIST SRM 3133
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| −1.31 ± 0.02 ‰ | −1.32 / −1.29 ‰ | 2 | freeze-dried surface peat (peat 1) Mean and standard deviation recalculated from 2 subsamples, AK-2 subsamples combusted separately: -1.29 ± 0.14 ‰ (2SD, 3 analyses); -1.32 ± 0.07 ‰ (2SD, 3 analyses). | Biswas et al. (2008), Natural mercury isotope variation in coal deposits and organic soil… |
| −1.17 ± 0.06 ‰ | −1.21 / −1.1 ‰ | 3 | freeze-dried surface peat (peat 2) Mean and standard deviation recalculated from 3 subsamples, AK-3 subsamples combusted separately: -1.21 ± 0.09 ‰ (2SD, 3 analyses); -1.10 ± 0.08 ‰ (2SD, 3 analyses); -1.19 ± 0.27 ‰ (2SD, 3 analyses). | Biswas et al. (2008), Natural mercury isotope variation in coal deposits and organic soil… |
Δ201Hg in ‰ (per mil) Values of the same system
Standard : NIST SRM 3133
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| −0.15 ± 0.01 ‰ | −0.15 / −0.14 ‰ | 2 | freeze-dried surface peat (peat 1) Mean and standard deviation recalculated from 2 subsamples, AK-2 subsamples combusted separately: -0.15 ± 0.10 ‰ (2SD, 3 analyses); -0.14 ± 0.07 ‰ (2SD, 3 analyses). | Biswas et al. (2008), Natural mercury isotope variation in coal deposits and organic soil… |
| −0.22 ± 0.02 ‰ | −0.24 / −0.21 ‰ | 3 | freeze-dried surface peat (peat 2) Mean and standard deviation recalculated from 3 subsamples, AK-3 subsamples combusted separately: -0.21 ± 0.03 ‰ (2SD, 3 analyses); -0.24 ± 0.02 ‰ (2SD, 3 analyses); -0.22 ± 0.05 ‰ (2SD, 3 analyses). | Biswas et al. (2008), Natural mercury isotope variation in coal deposits and organic soil… |
Δ199Hg in ‰ (per mil) Values of the same system
Standard : NIST SRM 3133
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| −0.12 ± 0.01 ‰ | −0.13 / −0.12 ‰ | 2 | freeze-dried surface peat (peat 1) Mean and standard deviation recalculated from 2 subsamples, AK-2 subsamples combusted separately: -0.12 ± 0.06 ‰ (2SD, 3 analyses); -0.13 ± 0.02 ‰ (2SD, 3 analyses). | Biswas et al. (2008), Natural mercury isotope variation in coal deposits and organic soil… |
| −0.21 ± 0.02 ‰ | −0.22 / −0.18 ‰ | 3 | freeze-dried surface peat (peat 2) Mean and standard deviation recalculated from 3 subsamples, AK-3 subsamples combusted separately: -0.22 ± 0.04 ‰ (2SD, 3 analyses); -0.22 ± 0.06 ‰ (2SD, 3 analyses); -0.18 ± 0.05 ‰ (2SD, 3 analyses). | Biswas et al. (2008), Natural mercury isotope variation in coal deposits and organic soil… |
Deposits of the same type
- Chelan forest (Rex Creek fire) United States
- Jackson forest (Wyoming) United States
- Hubbard Brook Experimental Forest United States
- Klafastaðir Andosol (Hvalfjörður, Iceland) Islande
- Barro Alto ultramafic soils Brazil
- Niquelândia soils (ultramafic and near the plant) Brazil
- Wetland downstream of the Ty Gallen mine France
- Lot riverbank soils downstream of the Riou Mort confluence France
Cite this page
IsoFind Atlas (2026). Barrow peatlands (Utqiaġvik), isotope signatures. https://www.isofind.tech/isotopes/en/sites/tourbieres-de-barrow-utqiagvik/ (accessed 2026-10-15).
@misc{isofind2026barrowpeatlandsutqiagvikisoto,
title = {Barrow peatlands (Utqiaġvik), isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/sites/tourbieres-de-barrow-utqiagvik/},
note = {Accessed 2026-10-15}
}Updated : 2026-10-15