Pickarski, Nadine; Litt, Thomas (2017): A new high-resolution pollen sequence at Lake Van, Turkey, during MIS 6-7 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.871228, Supplement to: Pickarski, N; Litt, T (2016): A new high-resolution pollen sequence at Lake Van, Turkey: Insights into penultimate interglacial-glacial climate change on vegetation history. Climate of the Past Discussions, 29 pp, https://doi.org/10.5194/cp-2016-133
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Abstract:
A new detailed pollen and oxygen isotope record of the penultimate interglacial-glacial cycle, corresponding to the Marine Isotope Stage (MIS) 7–6 (c. 242.5–131.2 ka before present), has been generated from the "Ahlat Ridge" (AR) sediment core at Lake Van, Turkey. The presented record displays the highest temporal resolution for this interval with a mean sampling interval of ~540 years.
Integration of all available proxies shows three intervals of effective moisture, evidenced by the predominance of forested landscapes (oak-pine steppe forest), which can be correlated with MIS 7e, 7c, and 7a. The warmest stage in terms of highest temperate tree percentages is MIS 7c, while the amplitude of MIS 7e appears to be truncated by a shift to colder/drier climatic conditions. The detailed comparison between the penultimate interglacial complex (MIS 7) to the last interglacial (Eemian, MIS 5e) and the current interglacial (Holocene, MIS 1) provides a vivid illustration of possible differences of successive climatic cycles. Intervening periods of open steppe landscape correlate with MIS 7d and 7a, favouring local erosion and detrital sedimentation. The predominance of steppe elements during MIS 7d indicates very cold/dry climatic conditions. In contrast, the occurrence of more temperate tree percentages throughout MIS 7b points to relatively mild conditions, in agreement with atmospheric CO2 concentration and oxygen isotope records.
Despite the general dominance of dry/cold desert-steppe vegetation during the penultimate glacial (MIS 6), this period can be divided into two parts: an early stage (c. 193–157 ka BP) with pronounced oscillations in tree percentages, and a later stage (c. 157–131 ka BP) with lower tree percentages and subdued oscillations. The occurring vegetation pattern is analogous to the MIS 3 to MIS 2 division during the last glacial in the same sedi–159 ka BP) as described in marine pollen records, which indicates cooler but relatively wetter climate conditions during the penultimate glacial.
In comparison with long European pollen records, speleothem isotope records from the Near East, and global climate parameters (e.g., insolation, atmospheric CO2 content), the new high-resolution Lake Van record presents an improved insight into regional vegetation dynamics and climate variability in the eastern Mediterranean region.
Coverage:
Latitude: 38.667000 * Longitude: 42.669000
Minimum DEPTH, sediment/rock: 2.720 m * Maximum DEPTH, sediment/rock: 5.560 m
Event(s):
Lake_Van * Latitude: 38.667000 * Longitude: 42.669000 * Elevation: 1649.0 m * Lake water depth: c. 357 m * Location: Eastern Anatolian high plateau, Turkey * Method/Device: Composite Core (COMPCORE) * Comment: Surface area of 3574 km**2; Volume ~607 km**3; Minimum depth: 14.7 mcblf; Maximum depth: 144.7 mcblf (meter composite below lake floor); Minimum age: 32.7 ka BP, Maximum age: 334.5 ka BP
Parameter(s):
# | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
---|---|---|---|---|---|---|
1 | DEPTH, sediment/rock | Depth sed | m | Pickarski, Nadine | Geocode | |
2 | AGE | Age | ka BP | Pickarski, Nadine | Geocode | |
3 | Depth, reference | Depth ref | m | Pickarski, Nadine | mblf-nE | |
4 | Depth, reference | Depth ref | m | Pickarski, Nadine | mcblf | |
5 | Abies | Abies | % | Pickarski, Nadine | Counting, palynology | Arboreal pollen |
6 | Acer | Ace | % | Pickarski, Nadine | Counting, palynology | Arboreal pollen |
7 | Aesculus hippocastanum | A. hippocastanum | % | Pickarski, Nadine | Counting, palynology | Arboreal pollen |
8 | Alnus | Alnus | % | Pickarski, Nadine | Counting, palynology | Arboreal pollen |
9 | Betula | Betula | % | Pickarski, Nadine | Counting, palynology | Arboreal pollen |
10 | Carya | Cya | % | Pickarski, Nadine | Counting, palynology | Arboreal pollen |
11 | Carpinus betulus | C. betulus | % | Pickarski, Nadine | Counting, palynology | Arboreal pollen |
12 | Carpinus cf. orientalis | C. cf. orientalis | % | Pickarski, Nadine | Counting, palynology | including Ostrya-type; Arboreal pollen |
13 | Corylus | Corylus | % | Pickarski, Nadine | Counting, palynology | Arboreal pollen |
14 | Daphna | Daphna | % | Pickarski, Nadine | Counting, palynology | Arboreal pollen |
15 | Elaeagnus | Elaeagnus | % | Pickarski, Nadine | Counting, palynology | Arboreal pollen |
16 | Ephedra distachya-type | E. distachya-T | % | Pickarski, Nadine | Counting, palynology | Arboreal pollen |
17 | Ephedra fragilis-type | Eph.f-T | % | Pickarski, Nadine | Counting, palynology | Arboreal pollen |
18 | Fagus | Fagus | % | Pickarski, Nadine | Counting, palynology | Arboreal pollen |
19 | Fraxinus cf. excelsior | F. cf. excelsior | % | Pickarski, Nadine | Counting, palynology | Arboreal pollen |
20 | Fraxinus cf. ornus | F. cf. ornus | % | Pickarski, Nadine | Counting, palynology | Arboreal pollen |
21 | Hippophae rhamnoides | H. rhamnoides | % | Pickarski, Nadine | Counting, palynology | Arboreal pollen |
22 | Juglans | Juglans | % | Pickarski, Nadine | Counting, palynology | Arboreal pollen |
23 | Juniperus | Jun | % | Pickarski, Nadine | Counting, palynology | Arboreal pollen |
24 | Ligustrum cf. vulgare | L. cf. vulgare | % | Pickarski, Nadine | Counting, palynology | Arboreal pollen |
25 | Olea | Olea | % | Pickarski, Nadine | Counting, palynology | Arboreal pollen |
26 | Picea | Picea | % | Pickarski, Nadine | Counting, palynology | Arboreal pollen |
27 | Pinus | Pinus | % | Pickarski, Nadine | Counting, palynology | Arboreal pollen |
28 | Pistacia cf. atlantica | P. cf. atlantica | % | Pickarski, Nadine | Counting, palynology | Arboreal pollen |
29 | Prunus | Prunus | % | Pickarski, Nadine | Counting, palynology | Arboreal pollen |
30 | Pterocarya | Pte | % | Pickarski, Nadine | Counting, palynology | Arboreal pollen |
31 | Quercus, deciduous | Quercus deci | % | Pickarski, Nadine | Counting, palynology | Arboreal pollen |
32 | Quercus evergreen | Q. evergreen | % | Pickarski, Nadine | Counting, palynology | Arboreal pollen |
33 | Rhus group | Rhus gr | % | Pickarski, Nadine | Counting, palynology | Arboreal pollen |
34 | Salix | Salix | % | Pickarski, Nadine | Counting, palynology | Arboreal pollen |
35 | Taxus baccata | T. baccata | % | Pickarski, Nadine | Counting, palynology | Arboreal pollen |
36 | Tilia | Tilia | % | Pickarski, Nadine | Counting, palynology | Arboreal pollen |
37 | Ulmus | Ulmus | % | Pickarski, Nadine | Counting, palynology | Arboreal pollen |
38 | Adiantaceae | Adiantaceae | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
39 | Androsace | Androsace | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
40 | Apiaceae | Apiaceae | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
41 | Turgenia cf. latifolia | T. cf. latifolia | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
42 | Asteraceae | Asterac | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
43 | Artemisia | Artemisia | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
44 | Brassicaceae | Brassicac | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
45 | Campanulaceae | Campanulaceae | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
46 | Cannabaceae | Cannabaceae | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
47 | Caryophyllaceae | Cphae | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
48 | Herniaria | Herniaria | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
49 | Centaurea | Centaurea | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
50 | Centaurea cf. cyanus | C. cf. cyanus | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
51 | Centaurea cf. collina | C. cf. collina | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
52 | Centaurea cf. jacea | C. cf. jacea | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
53 | Centaurea cf. scabiosa | C. cf. scabiosa | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
54 | Centaurea cf. triumfetti | C. cf. triumfetti | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
55 | Centranthus cf. ruber | C. cf. ruber | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
56 | Cerealia-type | Cerealia-T | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
57 | Chenopodiaceae | Chenopod | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
58 | Cistaceae | Cistaceae | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
59 | Cistus | Cistus | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
60 | Helianthemum | Hel | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
61 | Fumana | Fumana | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
62 | Cousinia | Cousinia | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
63 | Cyperaceae | Cyperac | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
64 | Dipsacaceae | Dipae | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
65 | Cephalaria | Cephalaria | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
66 | Cephalaria cf. alpina | C. cf. alpina | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
67 | Dipsacus | Dipsacus | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
68 | Scabiosa | Scabiosa | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
69 | Scabiosa cf. argentea | S. cf. argentea | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
70 | Scabiosa cf. rotata | S. cf. rotata | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
71 | Succia | Succia | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
72 | Echinops | Echinops | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
73 | Ericaceae | Ericac | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
74 | Euphorbia | Euphorbia | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
75 | Mercurialis | Mercurialis | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
76 | Fabaceae | Fabaceae | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
77 | Fagopyrum | Fagopyrum | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
78 | Gentiana | Gentiana | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
79 | Gentianella | Gentianella | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
80 | Geranium | Ger | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
81 | Gundelia | Gundelia | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
82 | Haplophyllum | Haplophyllum | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
83 | Hypericum | Hypericum | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
84 | Iridaceae | Iridaceae | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
85 | Itea viginica | I. viginica | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
86 | Lamiaceae | Lamiaceae | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
87 | Galeopsis group | Galeopsis gr | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
88 | Mentha | Mentha | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
89 | Salvia cf. verticillata | S. cf. verticillata | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
90 | Stachys-type | Stachys-T | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
91 | Liguliflorae | Ligu | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
92 | Liliaceae | Liliaceae | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
93 | Asphodelus | Asphodelus | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
94 | Fritillaria | Fritillaria | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
95 | Ornithogalum cf. yrenaicum | O. cf. yrenaicum | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
96 | Limonium | Limonium | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
97 | Limonium vulgare | L. vulgare | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
98 | Linum | Linum | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
99 | Linum cf. austriacum | L. cf. austriacum | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
100 | Papaveraceae | Papae | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
101 | Papaver cf. agremone | P. cf. agremone | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
102 | Plantago | Plantago | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
103 | Plantago cf. lanceolata | P. cf. lanceolata | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
104 | Plumbaginaceae | Pluae | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
105 | Poaceae | Poac | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
106 | Polygonum | Polygonum | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
107 | Polygonum cf. aviculare | P. cf. aviculare | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
108 | Polygonum cf. bistorta | P. cf. bistorta | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
109 | Polygonum cf. cognatum | P. cf. cognatum | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
110 | Polygonum cf. raii | P. cf. raii | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
111 | Ranunculaceae | Ranae | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
112 | Anemone cf. coronaria | A. cf. coronaria | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
113 | Helleborus | Helleborus | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
114 | Helleborus cf. niger | H. cf. niger | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
115 | Pulsatilla cf. alpina | P. cf. alpina | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
116 | Ranunculus cf. acris | R. cf. acris | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
117 | Rhamnus | Rha | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
118 | Rosaceae | Rosae | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
119 | Filipendula | Flp | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
120 | Polentilla | Polentilla | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
121 | Sanguisorba cf. minor | S. cf. minor | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
122 | Rubiaceae | Rubae | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
123 | Rumex | Rumex | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
124 | Rumex cf. aquaticus | R. cf. aquaticus | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
125 | Saxifragaceae | Saxae | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
126 | Solanaceae | Solanaceae | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
127 | Solanum | Solanum | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
128 | Symphytum | Symphytum | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
129 | Thalictrum | Tha | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
130 | Tubuliflorae | Tubuliflorae | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
131 | Urticaceae | Urticaceae | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
132 | Urtica cf. dubia | U. cf. dubia | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
133 | Valeriana | Val | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
134 | Valeriana cf. officinalis | V. cf. officinalis | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
135 | Veronica | Veronica | % | Pickarski, Nadine | Counting, palynology | Non-arboreal pollen |
136 | Pediastrum | Pdi | # | Pickarski, Nadine | Counting, palynology | Algae |
137 | Monactinus simplex | M. simplex | # | Pickarski, Nadine | Counting, palynology | Algae |
138 | Pediastrum alternans | Ped.a | # | Pickarski, Nadine | Counting, palynology | Algae |
139 | Pediastrum integrum | Pdi.i | # | Pickarski, Nadine | Counting, palynology | Algae |
140 | Pediastrum simplex | Ped.s | # | Pickarski, Nadine | Counting, palynology | Algae |
141 | Pseudopediastrum boryanum | P. boryanum | # | Pickarski, Nadine | Counting, palynology | Algae |
142 | Pseudopediastrum kawraiskyi | P. kawraiskyi | # | Pickarski, Nadine | Counting, palynology | Algae |
143 | Botryococcus | Bot | # | Pickarski, Nadine | Counting, palynology | Algae |
144 | Dinoflagellates | Dinofl | # | Pickarski, Nadine | Counting, palynology | Aquatic plants |
145 | Dinoflagellates | Dinofl | # | Pickarski, Nadine | Counting, palynology | cf.; Aquatic plants |
146 | Lemna cf. minor | L. cf. minor | # | Pickarski, Nadine | Counting, palynology | Aquatic plants |
147 | Myriophyllum | Myo | # | Pickarski, Nadine | Counting, palynology | Aquatic plants |
148 | Myriophyllum cf. spicatum | M. cf. spicatum | # | Pickarski, Nadine | Counting, palynology | Aquatic plants |
149 | Potamogeton | Pot | # | Pickarski, Nadine | Counting, palynology | Aquatic plants |
150 | Sparganiaceae | Spaae | # | Pickarski, Nadine | Counting, palynology | Aquatic plants |
151 | Utricularia cf. neglecta | U. cf. neglecta | # | Pickarski, Nadine | Counting, palynology | Aquatic plants |
152 | Typha latifolia | Typ.l | # | Pickarski, Nadine | Counting, palynology | Aquatic plants |
153 | Bryophyta | Bryophyta | # | Pickarski, Nadine | Counting, palynology | Mosses |
154 | Polypodiaceae | Pocae | # | Pickarski, Nadine | Counting, palynology | Pteridophytha |
155 | Charcoal | Charcoal | # | Pickarski, Nadine | Counting, palynology | >20 µm |
156 | Arboreal pollen | AP | % | Pickarski, Nadine | Counting, palynology | |
157 | Non arboreal pollen | NAP | % | Pickarski, Nadine | Counting, palynology | |
158 | δ13C, bulk carbonate | δ13C bulk carb | ‰ PDB | Pickarski, Nadine | Mass spectrometry | with respect to VPDB |
159 | δ18O, bulk carbonate | δ18O bulk carb | ‰ PDB | Pickarski, Nadine | Mass spectrometry | with respect to VPDB |
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Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
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