Voigt, Ricarda; Grüger, Eberhard; Baier, Janina; Meischner, Dieter (2008): (Table 8) Characterization of limnological phases in Lake Jues [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.708213, In supplement to: Voigt, R et al. (2008): Seasonal variability of Holocene climate: a palaeolimnological study on varved sediments in Lake Jues (Harz Mountains, Germany). Journal of Paleolimnology, 40(4), 1021-1052, https://doi.org/10.1007/s10933-008-9213-7
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Project(s):
Coverage:
Latitude: 51.652050 * Longitude: 10.346830
Date/Time Start: 1996-06-08T00:00:00 * Date/Time End: 1996-06-08T00:00:00
Minimum ORDINAL NUMBER: 1 * Maximum ORDINAL NUMBER: 24
Event(s):
Lake_Jues * Latitude: 51.652050 * Longitude: 10.346830 * Date/Time: 1996-06-08T00:00:00 * Elevation: 240.7 m * Location: Lake Jues, Herzberg, Harz, Germany * Campaign: LakeSedJues_See * Method/Device: Vibro corer (VC) * Comment: compiled from 7 cores at the same site
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Limnological phase | Limnolog phase | Voigt, Ricarda | |||
| 2 | Age, maximum/old | Age max | ka | Voigt, Ricarda | ||
| 3 | Age, minimum/young | Age min | ka | Voigt, Ricarda | ||
| 4 | Feature | Feature | Voigt, Ricarda | Characteristic features | ||
| 5 | Circulation | Circulation | Voigt, Ricarda | |||
| 6 | ORDINAL NUMBER | Ord No | Geocode |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
116 data points
Data
| 1 Limnolog phase | 2 Age max [ka] | 3 Age min [ka] | 4 Feature | 5 Circulation | 6 Ord No |
|---|---|---|---|---|---|
| 1 | Redeposited diatoms abundant, ´cold-water diatoms´ present | Monomictic | 1 | ||
| 2 | Small Fragilaria spp. and periphytic species dominant, ´cold-water diatoms´ decreasing, Stephanodiscus alpinus present | Monomictic | 2 | ||
| 3 | 11.20 | 10.62 | Increase of planktonic species (Cyclotella comensis/pseudocomensis, Asterionella formosa, Stephanodiscus minutulus), Stephanodiscus alpinus common | Dimictic | 3 |
| 4 | 10.62 | 10.10 | Dominance of small Fragilaria spp. and periphytic species, ´cold-water diatoms´ more frequent again, sedimentation of clastic rhythmites | Dimictic | 4 |
| 5 | 10.10 | 9.50 | Dominance of planktonic species (Cyclotella comensis/pseudocomensis, Asterionella formosa, Stephanodiscus minutulus), ´cold-water diatoms´, and Stephanodiscus alpinus still present | Alternating holoand meromictic | 5 |
| 6 | 9.50 | 8.40 | Disappearance of ´cold-water diatoms´ and Stephanodiscus alpinus, planktonic diatom assemblages more diverse | Alternating holoand meromictic | 6 |
| 7 | 8.40 | 4.55 | Coccal green algae (Botryococcus, Tetraedron) abundant | Meromictic | 7 |
| 7a | 8.40 | 8.20 | Increase of coccal green algae | Meromictic | 8 |
| 7b | 8.20 | 7.53 | High abundance of Asterionella formosa | Meromictic | 9 |
| 7c | 7.53 | 6.75 | Dominance of Cyclotella spp. | Meromictic | 10 |
| 7d | 6.75 | 5.70 | Dominance of Cyclotella spp. continues, higher values of Myriophyllum spicatum pollen grains as well as of tychoplanktonic and periphytic diatoms, low diatom influx | Oligomictic | 11 |
| 7e | 5.70 | 5.25 | Low values of coccal green algae and Myriophyllum spicatum, high percentages of Stephanodiscus minutulus and Cyclotella radiosa | Oligomictic | 12 |
| 7f | 5.25 | 4.77 | High abundances of coccal green algae, more diverse diatom assemblages, high pollen values of Myriophyllum spicatum | Meromictic and oligomictic | 13 |
| 7g | 4.77 | 4.55 | Still higher abundances of coccal green algae, decreasing values of Myriophyllum spicatum, Cyclotella radiosa and Asterionella formosa dominant | Meromictic | 14 |
| 8 | 4.55 | 4.10 | Asterionella formosa dominant, decreasing values of coccal green algae | Oligomictic | 15 |
| 9 | 4.10 | 3.45 | Fragilaria capucina var. gracilis, F. delicatissima and Cyclotella spp. dominant, reddish sediment colours | Holomictic phases more frequent | 16 |
| 10 | 3.45 | 2.85 | Cyclotella spp. dominant, Characeae present | Oligo- or meromictic | 17 |
| 11 | 2.85 | 2.65 | Asterionella formosa, Fragilaria capucina var. gracilis, and F. delicatissima dominant | Oligomictic | 18 |
| 12 | 2.65 | 2.28 | Settlement phase (Iron Age), alternating dominances of Stephanodiscus minutulus, Cyclotella comensis/pseodocomensis and Nitzschia paleacea | Oligomictic and dimictic | 19 |
| 13 | 2.28 | 1.24 | Asterionella formosa, Fragilaria capucina var. gracilis, and F. delicatissima abundant | Dimictic | 20 |
| 13a | 2.28 | 2.05 | Si-preferring diatoms dominant, reddish sediment colours | Dimictic | 21 |
| 13b | 2.05 | 1.80 | Cyclotella ocellata dominant, Si-preferring diatoms subdominant | Dimictic | 22 |
| 13c | 1.80 | 1.50 | Si-preferring diatoms dominant | Dimictic | 23 |
| 13d | 1.50 | 1.24 | Cyclotella spp. dominant, Si-preferring diatoms subdominant | Dimictic | 24 |