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Kienast, Frank; Schirrmeister, Lutz (2017): Plant macrofossil records from permafrost deposits of the Bol'shoy Lyakhovsky Island (New Siberian Archipelago) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.882619, Supplement to: Kienast, Frank; Tarasov, Pavel E; Schirrmeister, Lutz; Grosse, Guido; Andreev, Andrei A (2008): Continental climate in the East Siberian Arctic during the last interglacial: Implications from palaeobotanical records. Global and Planetary Change, 60(3-4), 535-562, https://doi.org/10.1016/j.gloplacha.2007.07.004

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Abstract:
To evaluate the consequences of possible future climate changes and to identify the main climate drivers in high latitudes, the vegetation and climate in the East Siberian Arctic during the last interglacial are reconstructed and compared with Holocene conditions. Plant macrofossils from permafrost deposits on Bol'shoy Lyakhovsky Island, New Siberian Archipelago, in the Russian Arctic revealed the existence of a shrubland dominated by Duschekia fruticosa, Betula nana and Ledum palustre and interspersed with lakes and grasslands during the last interglacial. The reconstructed vegetation differs fundamentally from the high arctic tundra that exists in this region today, but resembles an open variant of subarctic shrub tundra as occurring near the tree line about 350 km southwest of the study site. Such difference in the plant cover implies that, during the last interglacial, the mean summer temperature was considerably higher, the growing season was longer, and soils outside the range of thermokarst depressions were drier than today. Our pollen-based climatic reconstruction suggests a mean temperature of the warmest month (MTWA) range of 9-14.5 °C during the warmest interval of the last interglacial. The reconstruction from plant macrofossils, representing more local environments, reached MTWA values above 12.5 °C in contrast to today's 2.8 °C. We explain this contrast in summer temperature and soil moisture with a combination of summer insolation higher than present and climatic continentality in arctic Yakutia stronger than present as result of a considerably less inundated Laptev Shelf during the last interglacial.
Coverage:
Median Latitude: 73.334917 * Median Longitude: 141.321450 * South-bound Latitude: 73.323000 * West-bound Longitude: 141.263000 * North-bound Latitude: 73.346000 * East-bound Longitude: 141.387000
Minimum ELEVATION: 1.00 m a.s.l. * Maximum ELEVATION: 6.85 m a.s.l.
Event(s):
Lya_1999_L11  * Latitude: 73.323000 * Longitude: 141.387000 * Location: Lyakhovsky Islands * Campaign: RU-Land_1999_Lyakhovsky (Lya_1999) * Basis: AWI Arctic Land Expedition * Method/Device: Multiple investigations (MULT) * Comment: horizontal distance from the Zimov'e River mouth in 1999: 1100 m E
Lya_1999_R6  * Latitude: 73.332000 * Longitude: 141.339000 * Location: Lyakhovsky Islands * Campaign: RU-Land_1999_Lyakhovsky (Lya_1999) * Basis: AWI Arctic Land Expedition * Method/Device: Multiple investigations (MULT) * Comment: horizontal distance from the Zimov'e River mouth in 1999: 600 m W
Lya_1999_R8+50  * Latitude: 73.332900 * Longitude: 141.332900 * Location: Lyakhovsky Islands * Campaign: RU-Land_1999_Lyakhovsky (Lya_1999) * Basis: AWI Arctic Land Expedition * Method/Device: Multiple investigations (MULT) * Comment: horizontal distance from the Zimov'e River mouth in 1999: 850 m W
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
Event labelEventKienast, Frank
Latitude of eventLatitudeKienast, Frank
Longitude of eventLongitudeKienast, Frank
ELEVATIONElevationm a.s.l.Kienast, FrankGeocode
Area/localityAreaKienast, Frank
Sample IDSample IDKienast, Frank
Agrostis sp.Agrostis sp.#Kienast, Frank
Alnus fruticosaAln.f#Kienast, Frank
Alopecurus sp.Alopecurus sp.#Kienast, Frank
10 Alyssum biovulatumA. biovulatum#Kienast, Frank
11 Androsace septentrionalisA. septentrionalis#Kienast, Frank
12 Artemisia sp.Artemisia sp.#Kienast, Frank
13 Asteraceae sp.Asteraceae sp.#Kienast, Frank
14 Batrachium sp.Batrachium sp.#Kienast, Frank
15 Betula fruticosaBet.r#Kienast, Frank
16 Betula nanaBet.n#Kienast, Franks.l.
17 Betula sp.Betula sp.#Kienast, Frank
18 BetulaceaeBetaea#Kienast, Frank
19 Boschniakia rossicaB. rossica#Kienast, Frank
20 Brassicaceae indeterminataBrassicaceae indet#Kienast, Franksp.
21 Calamagrostis sp.Calamagrostis sp.#Kienast, Frank
22 Callitriche hermaphroditicaC. hermaphroditica#Kienast, Frank
23 Caltha palustrisCat.p#Kienast, Frank
24 Carex aquatilisC. aquatilis#Kienast, Frank
25 Carex cf. sect. TemnemisC. cf. sect. Temnemis#Kienast, Frank
26 Carex duriusculaC. duriuscula#Kienast, Frank
27 Carex sect. PhacocystisCarex sect. Phacocystis#Kienast, Frank
28 Carex sp.Carex sp.#Kienast, Frank
29 Carex supinaC. supina#Kienast, Franks.l.
30 Caryophyllaceae indeterminataCphae.indet#Kienast, Franksp.
31 Cerastium beeringianumC. beeringianum#Kienast, Frank
32 Cerastium cf. regeliiC. cf. regelii#Kienast, Frank
33 Cerastium jenissejenseC. jenissejense#Kienast, Frank
34 cf. Corydalis sp.cf. Corydalis sp.#Kienast, Frank
35 cf. Lesquerella arcticacf. L. arctica#Kienast, Frank
36 cf. Saxifraga hieracifoliacf. S. hieracifolia#Kienast, Frank
37 Chara sp.Chara sp.#Kienast, Frank
38 Chenopodiaceae indeterminataChenopodiaceae indet#Kienast, Franksp.
39 Chenopodium sp.Chenopodium sp.#Kienast, Frank
40 Chrysosplenium alternifoliumC. alternifolium#Kienast, Frank
41 Comarum palustreCom.p#Kienast, Frank
42 Cyperaceae indeterminataCypae.indet#Kienast, Franksp.
43 Deschampsia sp.Deschampsia sp.#Kienast, Frank
44 Descurainia sophioidesD. sophioides#Kienast, Frank
45 Draba sp.Draba sp.#Kienast, Frank
46 Dryas octopetalaDry.o#Kienast, Franks.l.
47 Empetrum nigrumEmp.n#Kienast, Franks.l.
48 Epilobium davuricumE. davuricum#Kienast, Frank
49 Epilobium palustreE. palustre#Kienast, Frank
50 Eriophorum angustifoliumE. angustifolium#Kienast, Frank
51 Eriophorum brachyantherumE. brachyantherum#Kienast, Frank
52 Eriophorum cf. gracileE. cf. gracile#Kienast, Frank
53 Eriophorum scheuchzeriErio.s#Kienast, Frank
54 Eriophorum sp.Eriophorum sp.#Kienast, Frank
55 Eutrema edwardsiiE. edwardsii#Kienast, Frank
56 Fabaceae indeterminataFabae.indet#Kienast, Franksp.
57 Festuca sp.Festuca sp.#Kienast, Frank
58 Gastrolychnis involucrataG. involucrata#Kienast, Franks.l.
59 Gastrolychnis violascensG. violascens#Kienast, Franks.l.
60 Hippuris vulgarisHip.v#Kienast, Franks.l.
61 Juncus castanaeusJ. castanaeus#Kienast, Frank
62 Kobresia bellardiiK. bellardii#Kienast, Frank
63 Ledum palustre ssp. decumbensL. palustre ssp. decumbens#Kienast, Frank
64 Lloydia serotinaLlo.s#Kienast, Frank
65 Luzula cf.wahlenbergiiL. cf.wahlenbergii#Kienast, Frank
66 Luzula confusaL. confusa#Kienast, Frank
67 Menyanthes trifoliataMey.t#Kienast, Frank
68 Minuartia arcticaM. arctica#Kienast, Frank
69 Minuartia rubellaM. rubella#Kienast, Frank
70 Moehringia laterifoliaM. laterifolia#Kienast, Frank
71 Myosotis sp.Myosotis sp.#Kienast, Frank
72 Myriophyllum spicatumMyo.s#Kienast, Frank
73 Oxycoccus microcarpusO. microcarpus#Kienast, Frank
74 Oxyria digynaOxy.d#Kienast, Frank
75 Papaver sect. ScapifloraPapaver sect. Scapiflora#Kienast, Frank
76 Parnassia palustrisPar.p#Kienast, Frank
77 Poa sp.Poa sp.#Kienast, Frank
78 Poaceae sp.Poaceae sp.#Kienast, Frank
79 Potamogeton sp.Potamogeton sp.#Kienast, Frank
80 Polygonum viviparumPol.v#Kienast, Frank
81 Potamogeton vaginatusP. vaginatus#Kienast, Frank
82 Potentilla arenosaP. arenosa#Kienast, Frank
83 Potentilla hyparcticaP. hyparctica#Kienast, Frank
84 Potentilla niveaP. nivea#Kienast, Frank
85 Potentilla sp.Potentilla sp.#Kienast, Frank
86 Potentilla stipularisP. stipularis#Kienast, Frank
87 Primulaceae indeterminataPriae.indet#Kienast, Franksp.
88 Puccinelia sp.Puccinelia sp.#Kienast, Frank
89 Puccinellia distansP. distans#Kienast, Franks.l.
90 Ranunculus borealisR. borealis#Kienast, Frank
91 Ranunculus cf. pygmaeusR. cf. pygmaeus#Kienast, Frank
92 Ranunculus hyperboreusR. hyperboreus#Kienast, Frank
93 Ranunculus lapponicusR. lapponicus#Kienast, Frank
94 Ranunculus cf. reptansR. cf. reptans#Kienast, Frankincluding R. gmelinii
95 Ranunculus turneriR. turneri#Kienast, Frankincluding R. repens
96 Rhododendron sp.Rhododendron sp.#Kienast, Frank
97 Rorippa palustrisR. palustris#Kienast, Frank
98 Rumex arcticusR. arcticus#Kienast, Frank
99 Rumex maritimusR. maritimus#Kienast, Frank
100 Rumex subgen. acetosellaR. subg. acetosella#Kienast, Frank
101 Sagina nivalisS. nivalis#Kienast, Frank
102 SalicaceaeSalicaceae#Kienast, Frank
103 Salix sp.Salix sp.#Kienast, Frank
104 Sparganium hyperboreusS. hyperboreus#Kienast, Frank
105 Sparganium minimumSparganium min#Kienast, Frank
106 Stellaria crassifoliaS. crassifolia#Kienast, Frank
107 Stellaria sp.Stellaria sp.#Kienast, Frank
108 Taraxacum cf. ceratophorumT. cf. ceratophorum#Kienast, Frank
109 Tephroseris palustrisT. palustris#Kienast, Frank
110 Thymus sp.Thymus sp.#Kienast, Frank
111 Tripleurospermum hookeriT. hookeri#Kienast, Frank
112 Vaccinium vitis-idaeaV. vitis-idaea#Kienast, Frank
Size:
2160 data points

Data

Download dataset as tab-delimited text — use the following character encoding:


Event

Latitude

Longitude

Elevation [m a.s.l.]

Area

Sample ID

Agrostis sp. [#]

Aln.f [#]

Alopecurus sp. [#]
10 
A. biovulatum [#]
11 
A. septentrionalis [#]
12 
Artemisia sp. [#]
13 
Asteraceae sp. [#]
14 
Batrachium sp. [#]
15 
Bet.r [#]
16 
Bet.n [#]
17 
Betula sp. [#]
18 
Betaea [#]
19 
B. rossica [#]
20 
Brassicaceae indet [#]
21 
Calamagrostis sp. [#]
22 
C. hermaphroditica [#]
23 
Cat.p [#]
24 
C. aquatilis [#]
25 
C. cf. sect. Temnemis [#]
26 
C. duriuscula [#]
27 
Carex sect. Phacocystis [#]
28 
Carex sp. [#]
29 
C. supina [#]
30 
Cphae.indet [#]
31 
C. beeringianum [#]
32 
C. cf. regelii [#]
33 
C. jenissejense [#]
34 
cf. Corydalis sp. [#]
35 
cf. L. arctica [#]
36 
cf. S. hieracifolia [#]
37 
Chara sp. [#]
38 
Chenopodiaceae indet [#]
39 
Chenopodium sp. [#]
40 
C. alternifolium [#]
41 
Com.p [#]
42 
Cypae.indet [#]
43 
Deschampsia sp. [#]
44 
D. sophioides [#]
45 
Draba sp. [#]
46 
Dry.o [#]
47 
Emp.n [#]
48 
E. davuricum [#]
49 
E. palustre [#]
50 
E. angustifolium [#]
51 
E. brachyantherum [#]
52 
E. cf. gracile [#]
53 
Erio.s [#]
54 
Eriophorum sp. [#]
55 
E. edwardsii [#]
56 
Fabae.indet [#]
57 
Festuca sp. [#]
58 
G. involucrata [#]
59 
G. violascens [#]
60 
Hip.v [#]
61 
J. castanaeus [#]
62 
K. bellardii [#]
63 
L. palustre ssp. decumbens [#]
64 
Llo.s [#]
65 
L. cf.wahlenbergii [#]
66 
L. confusa [#]
67 
Mey.t [#]
68 
M. arctica [#]
69 
M. rubella [#]
70 
M. laterifolia [#]
71 
Myosotis sp. [#]
72 
Myo.s [#]
73 
O. microcarpus [#]
74 
Oxy.d [#]
75 
Papaver sect. Scapiflora [#]
76 
Par.p [#]
77 
Poa sp. [#]
78 
Poaceae sp. [#]
79 
Potamogeton sp. [#]
80 
Pol.v [#]
81 
P. vaginatus [#]
82 
P. arenosa [#]
83 
P. hyparctica [#]
84 
P. nivea [#]
85 
Potentilla sp. [#]
86 
P. stipularis [#]
87 
Priae.indet [#]
88 
Puccinelia sp. [#]
89 
P. distans [#]
90 
R. borealis [#]
91 
R. cf. pygmaeus [#]
92 
R. hyperboreus [#]
93 
R. lapponicus [#]
94 
R. cf. reptans [#]
95 
R. turneri [#]
96 
Rhododendron sp. [#]
97 
R. palustris [#]
98 
R. arcticus [#]
99 
R. maritimus [#]
100 
R. subg. acetosella [#]
101 
S. nivalis [#]
102 
Salicaceae [#]
103 
Salix sp. [#]
104 
S. hyperboreus [#]
105 
Sparganium min [#]
106 
S. crassifolia [#]
107 
Stellaria sp. [#]
108 
T. cf. ceratophorum [#]
109 
T. palustris [#]
110 
Thymus sp. [#]
111 
T. hookeri [#]
112 
V. vitis-idaea [#]
Lya_1999_R22 73.3390141.29701.20Kuchchuguy SuiteR22 OS-490000000000000000000000000000000040000054000000000000000000000000000000002200000000002200000000000000000000000
Lya_1999_R2273.3390141.29701.50Kuchchuguy SuiteR22 OS-500000000000000000000000000000000200000020000000000046000000000000000000017>10000000000002700000000000000000010000
Lya_1999_R2273.3390141.29702.40Kuchchuguy SuiteR22 OS-510000000000000000000000030000050010000004000000000000000000000000000000100#3000006000001400000000000000000000000
Lya_1999_R2273.3390141.29702.70Kuchchuguy SuiteR22 OS-520000000000000000000000000000000020000000000000000000000000000000000000000000001000000000000000000000000000
Lya_1999_R2273.3390141.29702.50Krest Yuryakh SuiteR22 OS-53026400121020000020008#706300400401010002072>10069001110040050083290000200000073012170916#80#1002802800450019141000000015110101038
Lya_1999_R2273.3390141.29702.80Krest YuryakhR22 OS-54091010000500100102005000900000000000016>100600000000000100100400100340000015016240040184405001210001010000000000000001
Lya_1999_R2273.3390141.29704.00Krest YuryakhR22 OS-551140000000000002000050105000000001004133010000001100000011011000030000040100010900000900000000000100000000001
Lya_1999_L11 73.3230141.38704.00Krest Yuryakh SuiteL11 OS-56077000000333>100000580024>2001661000028000001592039#8003011130112000002130500720100000100132601900105001520226001700100#50002300100
Lya_1999_L1173.3230141.38704.30Krest Yuryakh SuiteL11 OS-576#502001500120>100003492035>100>10040211300?10000052403163>10001168110870005105170520031101021>100>10000621231>1002100>10000318002522000#30006003021
Lya_1999_L1173.3230141.38703.50Kuchchuguy SuiteL11 OS-580000000000000000000000000#10000000000000050000000000000000000000000000000240001023#10030000100000000000000000000000
Lya_1999_L1173.3230141.38706.85Krest Yuryakh SuiteL110 OS-600580000000101900080001175000000000001000331100000000100021100001010001000000026700000100021000000005200000000
Lya_1999_R17 73.3366141.30985.80Kuchchuguy SuiteR17 OS-30000000000000160000000000000000001000002300000000000000000000000000000000>1000000010000#5000000000000000000000000
Lya_1999_R1773.3366141.30984.80Yukagir SuiteR17 OS-4000000000000000000000000000000000000000000000000000000460000000000000120020000000000000000000000000000000000
Lya_1999_R6 73.3320141.33901.00Kuchchuguy SuiteR6 OS-500000600000000000000000000000000000000#80000000000000000400010002900000900#500000700000401000000000000000000000
Lya_1999_R8+50 73.3329141.33291.00Yukagir SuiteR 8+50, S30000000000000000050000000001000000000001500001300110000200400000000200000000200000000000000002000000000000000000
Lya_1999_R8+5073.3329141.33291.20Yukagir SuiteR 8+50, S3400000000000000000000000000000000000000000001000000000000000000000000000170000000000000000000000000001000000
Lya_1999_R8+5073.3329141.33291.25Yukagir SuiteR 8+50, S350001000000000000000000000000000000000000000000100000000000000000000000070000000000000000000000040000000000
Lya_1999_R8+5073.3329141.33292.50Yukagir SuiteR 8+50, S360000000000000000000340000000000000000000000000000000005000000000000000000000000000000000000000000000000000
Lya_1999_R8+5073.3329141.33293.00Kuchchuguy SuiteR 8+50, S370000000000000000000000000000000000000000000000000014000000000000000000010340000000000400000000000000000020000
Lya_1999_R35 73.3460141.2630Krest Yuryakh SuiteR 350#50600202012000000000344202630000000000007>100000400010000000906000009002022700>100500#60000>1001230001017000004002700000#50002