Kim, Jung-Hyun; Buscail, Rosalyne; Fanget, Anne-Sophie; Eyrolle-Boyer, Frédérique; Bassetti, Maria Angela; Dorhout, Denise J C; Baas, Marianne; Berné, Serge; Sinninghe Damsté, Jaap S (2017): (Table 1) SPM samples and sites along the Rhône Rive [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.880154, Supplement to: Kim, J-H et al. (2014): Impact of river channel shifts on tetraether lipids in the Rhône prodelta (NW Mediterranean): Implication for the BIT index as an indicator of palaeoflood events. Organic Geochemistry, 75, 99-108, https://doi.org/10.1016/j.orggeochem.2014.06.011
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Abstract:
We tested the applicability of the BIT (branched and isoprenoid tetraether) index as a proxy for palaeoflood events in the river-dominated continental margin of the Gulf of Lions (NW Mediterranean). We compared the concentrations of branched glycerol dialkyl glycerol tetraethers (br GDGTs) and crenarchaeol in suspended particulate matter (SPM) collected downstream in the Rhône River, as well as in surface sediments and a ca. 8m piston core from the Rhône prodelta. The core covered the last 400 yr, with four distinct intervals recording the river influence under natural and man-induced shifts in four main channels of the river mouth (Bras de Fer, Grand Rhône, Pégoulier and Roustan). The results indicate that there are mixed sources of br GDGTs and crenarchaeol in the prodelta, complicating application of the BIT index as an indicator of continental organic carbon input and thus as a palaeoflood proxy. However, the sedimentary BIT record for the period when ontinental material was delivered by the river more directly to the core site (Roustan phase; 1892 to the present) mimics the historical paleoflood record. This shows the potential of the BIT index as a palaeoflood proxy, provided that the delivery route of the continental material by rivers to the core sites remains constant over time. The study also highlights the idea that shifts in river channels should be taken into account for the use of the BIT index as a palaeoflood proxy.
Further details:
(Table 2) Linear regression analysis between crenarchaeol and summed br GDGTs, crenarchaeol and BIT index ((A) concentration (µg/g OC) and (B) accumulation rate (AR, µg/cm**2/yr))
Project(s):
Coverage:
Median Latitude: 43.567500 * Median Longitude: 4.712500 * South-bound Latitude: 43.330000 * West-bound Longitude: 4.620000 * North-bound Latitude: 43.770000 * East-bound Longitude: 4.850000
Date/Time Start: 2010-05-18T00:00:00 * Date/Time End: 2010-05-20T00:00:00
Minimum DEPTH, water: 0 m * Maximum DEPTH, water: 11 m
Event(s):
RW1_ST1 * Latitude: 43.770000 * Longitude: 4.640000 * Date/Time: 2010-05-18T00:00:00 * Location: Rhone, France, Europe * Method/Device: Water sample (WS)
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | Kim, Jung-Hyun | |||
| 2 | Sample code/label | Sample label | Kim, Jung-Hyun | |||
| 3 | Area/locality | Area | Kim, Jung-Hyun | |||
| 4 | Longitude of event | Longitude | Kim, Jung-Hyun | |||
| 5 | Latitude of event | Latitude | Kim, Jung-Hyun | |||
| 6 | Date/Time of event | Date/Time | Kim, Jung-Hyun | |||
| 7 | DEPTH, water | Depth water | m | Kim, Jung-Hyun | Geocode – sampling water | |
| 8 | DEPTH, water | Depth water | m | Kim, Jung-Hyun | Geocode – river water | |
| 9 | Suspended particulate matter | SPM | mg/l | Kim, Jung-Hyun | ||
| 10 | Carbon, organic, total | TOC | % | Kim, Jung-Hyun | SPM OC, wt.% |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
40 data points
Data
| 1 Event | 2 Sample label | 3 Area | 4 Longitude | 5 Latitude | 6 Date/Time | 7 Depth water [m] (sampling water) | 8 Depth water [m] (river water) | 9 SPM [mg/l] | 10 TOC [%] (SPM OC, wt.%) |
|---|---|---|---|---|---|---|---|---|---|
| RW1_ST1 | ST1-F4 | Rhône River | 4.64 | 43.77 | 2010-05-18 | 0 | 7 | 25.2 | 1.9 |
| RW1_ST1 | ST1-F3 | Rhône River | 4.64 | 43.77 | 2010-05-18 | 4 | 7 | 23.0 | 2.6 |
| RW2_ST2 | ST2-F7 | Rhône River | 4.62 | 43.68 | 2010-05-19 | 0 | 11 | 23.0 | 2.2 |
| RW2_ST2 | ST2-F5 | Rhône River | 4.62 | 43.68 | 2010-05-19 | 11 | 11 | 23.9 | 2.5 |
| RW3_ST4 | ST4-F17 | Rhône River | 4.74 | 43.49 | 2010-05-20 | 0 | 6 | 21.3 | 2.2 |
| RW3_ST4 | ST4-F18 | Rhône River | 4.74 | 43.49 | 2010-05-20 | 6 | 6 | 20.2 | 2.0 |
| RW4_ST3 | ST3-F15 | Rhône River | 4.85 | 43.33 | 2010-05-20 | 0 | 8 | 11.8 | 2.0 |
| RW4_ST3 | ST3-F13 | Mixing zone | 4.85 | 43.33 | 2010-05-20 | 3 | 8 | 14.5 | 1.9 |
| RW4_ST3 | ST3-F12 | Mixing zone | 4.85 | 43.33 | 2010-05-20 | 5 | 8 | 13.8 | 1.8 |
| RW4_ST3 | ST3-F12 | Mixing zone | 4.85 | 43.33 | 2010-05-20 | 8 | 8 | 17.5 | 1.9 |