Singh, Dharmendra Pratap; Paul, Kaustav; Pawar, Rahul; Rai, Soni; Mohanty, Ranjan Kumar; Laksar, Amzad Hussain; Maurya, Abhayanand Singh (2026): Radiocarbon ages of NW Himalaya peat record during 4.2 ka event [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.996564 (DOI registration in progress)
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Published: 2026-08-13
Abstract:
This dataset contains high-resolution geochemical measurements from the CT-02 alpine peat profile collected from the Chandra Valley, northwestern Himalaya, Himachal Pradesh, India (32.472022° N, 77.612433° E; 4309 m a.s.l.). The 44 cm peat sequence spans approximately 5.6 to 1.0 ka BP and was sampled at 1 cm intervals. The chronology is constrained by six AMS radiocarbon dates obtained from bulk peat organic carbon and calibrated using the IntCal20 calibration curve; an age-depth model was constructed using the Bayesian Bacon approach.
Supplement to:
Singh, Dharmendra Pratap; Paul, Kaustav; Pawar, Rahul; Rai, Soni; Mohanty, Ranjan Kumar; Laksar, Amzad Hussain; Maurya, Abhayanand Singh (2026): North Atlantic linkage to hydroclimatic weakening in the NW Himalaya during the 4.2 ka event. Palaeogeography, Palaeoclimatology, Palaeoecology, 700, 114101, https://doi.org/10.1016/j.palaeo.2026.114101
Funding:
Coverage:
Latitude: 32.472022 * Longitude: 77.612433
Minimum DEPTH, sediment/rock: 0.005 m * Maximum DEPTH, sediment/rock: 0.435 m
Event(s):
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Laboratory code/label | Lab label | Singh, Dharmendra Pratap | |||
| 2 | Age, dated material | Dated material | Singh, Dharmendra Pratap | |||
| 3 | Depth, sediment/rock, top/minimum | Depth sed top | m | Singh, Dharmendra Pratap | ||
| 4 | Depth, sediment/rock, bottom/maximum | Depth sed bot | m | Singh, Dharmendra Pratap | ||
| 5 | DEPTH, sediment/rock | Depth sed | m | Singh, Dharmendra Pratap | Geocode | |
| 6 | Age, dated | Age dated | ka | Singh, Dharmendra Pratap | Age, 14C AMS | |
| 7 | Age, dated, error | Age dated e | ± | Singh, Dharmendra Pratap | ||
| 8 | Calendar age, median | Cal age median | ka BP | Singh, Dharmendra Pratap | Age, 14C calibrated | |
| 9 | Calendar age, minimum/young | Cal age min | ka BP | Singh, Dharmendra Pratap | Calculated, 2 sigma | |
| 10 | Calendar age, maximum/old | Cal age max | ka BP | Singh, Dharmendra Pratap | Calculated, 2 sigma |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
54 data points
Data
| 1 Lab label | 2 Dated material | 3 Depth sed top [m] | 4 Depth sed bot [m] | 5 Depth sed [m] | 6 Age dated [ka] | 7 Age dated e [±] | 8 Cal age median [ka BP] | 9 Cal age min [ka BP] | 10 Cal age max [ka BP] |
|---|---|---|---|---|---|---|---|---|---|
| AURIS-06830 | Bulk TOC | 0.00 | 0.01 | 0.005 | 1.12 | 0.040 | 1.044 | 0.939 | 1.230 |
| AURIS-06884 | Bulk TOC | 0.09 | 0.10 | 0.095 | 2.23 | 0.030 | 2.198 | 1.949 | 2.394 |
| AURIS-06885 | Bulk TOC | 0.15 | 0.16 | 0.155 | 3.75 | 0.029 | 4.004 | 3.528 | 4.199 |
| AURIS-06828 | Bulk TOC | 0.25 | 0.26 | 0.255 | 3.99 | 0.025 | 4.529 | 4.402 | 4.737 |
| AURIS-06829 | Bulk TOC | 0.39 | 0.40 | 0.395 | 4.50 | 0.030 | 5.244 | 5.029 | 5.430 |
| AURIS-06826 | Bulk TOC | 0.43 | 0.44 | 0.435 | 5.00 | 0.080 | 5.689 | 5.469 | 5.929 |