Ayers, John C; Goodbred, Steven; George, Gregory; Fry, David; Benneyworth, Laura; Hornberger, George; Roy, Kushal; Rezaul, Karim; Akter, Farjana (2017): (Table 2) Age determination of sediment cores from the shallow aquifer in southwest Bangladesh [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.874437, In supplement to: Ayers, JC et al. (2016): Sources of salinity and arsenic in groundwater in southwest Bangladesh. Geochemical Transactions, 17(1), https://doi.org/10.1186/s12932-016-0036-6
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Coverage:
Median Latitude: 22.491338 * Median Longitude: 89.462587 * South-bound Latitude: 22.429690 * West-bound Longitude: 89.435690 * North-bound Latitude: 22.568250 * East-bound Longitude: 89.495080
Minimum DEPTH, sediment/rock: 3 m * Maximum DEPTH, sediment/rock: 84 m
Event(s):
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | Ayers, John C | |||
| 2 | Latitude of event | Latitude | Ayers, John C | |||
| 3 | Longitude of event | Longitude | Ayers, John C | |||
| 4 | DEPTH, sediment/rock | Depth sed | m | Ayers, John C | Geocode – EGM96 | |
| 5 | Laboratory code/label | Lab label | Ayers, John C | NOSAMS Lab ID | ||
| 6 | Age, dated material | Dated material | Ayers, John C | |||
| 7 | δ13C | δ13C | ‰ PDB | Ayers, John C | ||
| 8 | Age, dated | Age dated | ka BP | Ayers, John C | Age, 14C AMS | BP |
| 9 | Age, dated standard deviation | Age dated std dev | ± | Ayers, John C | Age, 14C AMS | BP |
| 10 | Calendar age | Cal age | ka BP | Ayers, John C | ||
| 11 | Calendar age, minimum/young | Cal age min | ka BP | Ayers, John C | 2 sigma | |
| 12 | Calendar age, maximum/old | Cal age max | ka BP | Ayers, John C | 2 sigma |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
224 data points
Data
| 1 Event | 2 Latitude | 3 Longitude | 4 Depth sed [m] | 5 Lab label | 6 Dated material | 7 δ13C [‰ PDB] | 8 Age dated [ka BP] | 9 Age dated std dev [±] | 10 Cal age [ka BP] | 11 Cal age min [ka BP] | 12 Cal age max [ka BP] |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sundarbans_DC-0 | 22.5682 | 89.4951 | 30 | OS-102912 | Plant/wood | -28.0 | 7470 | 30 | 8295 | 8199 | 8369 |
| Sundarbans_DC-0 | 22.5682 | 89.4951 | 39 | OS-102913 | Plant/wood | -25.0 | 8450 | 40 | 9481 | 9422 | 9532 |
| Sundarbans_DC-3 | 22.5195 | 89.4920 | 8 | OS-102914 | Plant/wood | -28.0 | 150 | 25 | 173 | 0 | 283 |
| Sundarbans_DC-3 | 22.5195 | 89.4920 | 23 | OS-102915 | Plant/wood | -28.0 | 3660 | 25 | 3983 | 3901 | 4083 |
| Sundarbans_DC-3 | 22.5195 | 89.4920 | 62 | OS-102916 | Plant/wood | -28.0 | 8200 | 35 | 9158 | 9030 | 9270 |
| Sundarbans_DC-4 | 22.5201 | 89.4841 | 38 | OS-102917 | Plant/wood | -28.4 | 3960 | 30 | 4431 | 4296 | 4520 |
| Sundarbans_DC-4 | 22.5201 | 89.4841 | 54 | OS-102918 | Plant/wood | -29.8 | 9250 | 40 | 10425 | 10275 | 10554 |
| Sundarbans_DC-4 | 22.5201 | 89.4841 | 83 | OS-102919 | Plant/wood | -30.0 | 9470 | 40 | 10713 | 10581 | 11065 |
| Sundarbans_DC-8 | 22.4705 | 89.4591 | 59 | OS-102920 | Plant/wood | -26.8 | 8500 | 35 | 9507 | 9470 | 9537 |
| Sundarbans_DC-8 | 22.4705 | 89.4591 | 84 | OS-102990 | Mollusc | -6.2 | 9670 | 80 | 11110 | 10796 | 11204 |
| Sundarbans_DC-9 | 22.4704 | 89.4592 | 3 | OS-102921 | Plant/wood | -27.4 | 240 | 25 | 290 | 0 | 421 |
| Sundarbans_DC-9 | 22.4704 | 89.4592 | 11 | OS-102975 | Plant/wood | -27.1 | 4270 | 60 | 4845 | 4728 | 4873 |
| Sundarbans_DC-9 | 22.4704 | 89.4592 | 22 | OS-102976 | Plant/wood | -29.7 | 7230 | 70 | 8039 | 7970 | 8160 |
| Sundarbans_DC-9 | 22.4704 | 89.4592 | 41 | OS-102977 | Plant/wood | -27.6 | 7760 | 70 | 8542 | 8448 | 8598 |
| Sundarbans_DC-12 | 22.4347 | 89.4522 | 27 | OS-102978 | Plant/wood | -27.8 | 7660 | 70 | 8446 | 8395 | 8539 |
| Sundarbans_DC-12 | 22.4347 | 89.4522 | 64 | OS-102979 | Plant/wood | -29.1 | 8400 | 90 | 9437 | 9303 | 9518 |
| Sundarbans_DC-13 | 22.4297 | 89.4414 | 14 | OS-102980 | Plant/wood | -26.9 | 2780 | 80 | 2878 | 2778 | 2966 |
| Sundarbans_DC-13 | 22.4297 | 89.4414 | 29 | OS-102981 | Plant/Wood | -28.3 | 7590 | 70 | 8396 | 8346 | 8432 |
| Sundarbans_DC-13 | 22.4297 | 89.4414 | 51 | OS-102982 | Plant/wood | -29.3 | 8180 | 80 | 9121 | 9020 | 9261 |
| Sundarbans_DC-17 | 22.4650 | 89.4357 | 7 | OS-102983 | Plant/wood | -27.6 | 4340 | 60 | 4907 | 4845 | 4972 |
| Sundarbans_DC-17 | 22.4650 | 89.4357 | 28 | OS-102984 | Plant/wood | -25.7 | 7760 | 80 | 8538 | 8433 | 8600 |
| Sundarbans_DC-17 | 22.4650 | 89.4357 | 51 | OS-102985 | Plant/wood | -29.2 | 7950 | 80 | 8823 | 8646 | 8983 |
| Sundarbans_DC-17 | 22.4650 | 89.4357 | 57 | OS-102986 | Plant/wood | -29.1 | 44000 | 1020 | 47030 | 45860 | 48623 |
| Sundarbans_DC-23 | 22.5030 | 89.4421 | 22 | OS-102987 | Plant/wood | -27.5 | 7170 | 70 | 7985 | 7935 | 8037 |
| Sundarbans_DC-23 | 22.5030 | 89.4421 | 36 | OS-102988 | Plant/wood | -29.9 | 7860 | 110 | 8670 | 8541 | 8977 |
| Sundarbans_DC-23 | 22.5030 | 89.4421 | 54 | OS-102989 | Mollusc | -11.1 | 3340 | 60 | 3577 | 3477 | 3677 |
| Sundarbans_DC-27 | 22.5322 | 89.4651 | 18 | OS-103248 | Plant/wood | -29.0 | 6000 | 35 | 6840 | 6747 | 6934 |
| Sundarbans_DC-27 | 22.5322 | 89.4651 | 24 | OS-103249 | Plant/wood | -28.6 | 7360 | 35 | 8177 | 8040 | 8309 |