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  • 1
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    Some limnological characteristics of studied lakes in the Siberian arctic (2013)
    PANGAEA
    Details
    Publication Date: 2023-03-14
    Keywords: AWI Arctic Land Expedition; Bolshoy Lyakhovsky Island, East Siberia, Russia; Conductivity; Date/Time of event; DEPTH, water; Event label; LAP-01d; LAP-02; LAP-03; LAP-04; LAP-05; LAP-06; LAP-07; LAP-08; LAP-09; LAP-10; LAP-11; LAP-12; LAP-13; LAP-14; LAP-15; LAP-16a; LAP-17; LAP-18; LAP-19; LAP-20; LAP-21; LAP-22; LAP-23; LAP-24; LAP-25; LAP-26; LAP-27; LAP-28; LAP-29; LAP-31; LAP-32; LAP-35; LAP-36; LAP-37; Latitude of event; Lena2007; Location of event; Longitude of event; near Tiksi, East Siberia, Russia; Oyogos Yar, East Siberia, Russia; pH; RU-Land_2007_Lena; Sample code/label; Water sample; WS
    Type: Dataset
    Format: text/tab-separated-values, 102 data points
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  • 2
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    Sedimentology, biogeochemistry stable isotopes, pollen, plant macrofossils, and diatoms from two sediments cores from the northern Yukon permafrost peatlands (Canada) (2016)
    PANGAEA
    In:  Supplement to: Fritz, Michael; Wolter, Juliane; Rudaya, Natalia; Palagushkina, Olga V; Nazarova, Larisa B; Obu, Jaroslav; Rethemeyer, Janet; Lantuit, Hugues; Wetterich, Sebastian (2016): Holocene ice-wedge polygon development in northern Yukon permafrost peatlands (Canada). Quaternary Science Reviews, 147, 279-297, https://doi.org/10.1016/j.quascirev.2016.02.008
    Details
    Publication Date: 2023-03-07
    Description: Ice-wedge polygon (IWP) mires in the Arctic and Subarctic are extremely vulnerable to climatic and environmental change. We present the results of a multidisciplinary paleoenvironmental study on IWPs in the northern Yukon, Canada. High-resolution laboratory analyses were carried out on a permafrost core and the overlying seasonally thawed (active) layer, from a low-centered IWP located in a drained lake basin on Herschel Island. In relation to 14 Accelerator Mass Spectrometry (AMS) radiocarbon dates spanning the last 5000 years, we report sedimentary data including grain size distribution and biogeochemical parameters (organic carbon, nitrogen, C/N ratio, d13C), stable water isotopes (d18O, dD), as well as fossil pollen, plant macrofossil and diatom assemblages. Three sediment units (SUs) correspond to the main stages of deposition (1) in a thermokarst lake (SU1: 4950 to 3950 cal yrs BP), (2) during transition from lacustrine to palustrine conditions after lake drainage (SU2: 3950 to 3120 cal yrs BP), and (3) in palustrine conditions in the IWP field that developed after drainage (SU3: 3120 cal yrs BP to AD 2012). The lacustrine phase (pre 3950 cal yrs BP) is characterized by planktonic-benthic and pioneer diatoms species indicating circumneutral waters, and very few plant macrofossils. The pollen record has captured a regional signal of relatively stable vegetation composition and climate for the lacustrine stage of the record until 3950 cal yrs BP. Palustrine conditions with benthic and acidophilic species characterize the peaty shallow-water environments of the low-centered IWP. The transition from lacustrine to palustrine conditions was accompanied by acidification and rapid revegetation of the lake bottom within about 100 years. Since the palustrine phase we consider the pollen record as a local vegetation proxy dominated by the plant communities growing in the IWP. Ice-wedge cracking in water-saturated sediments started immediately after lake drainage at about 3950 cal yrs BP and led to the formation of an IWP mire. Permafrost aggradation through downward closed-system freezing of the lake talik is indicated by the stable water isotope record. The originally submerged IWP center underwent gradual drying during the past 2000 years. This study highlights the sensitivity of permafrost landscapes to climate and environmental change throughout the Holocene.
    Keywords: AWI_PerDyn; Permafrost Research (Periglacial Dynamics) @ AWI
    Type: Dataset
    Format: application/zip, 7 datasets
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  • 3
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    Distribution of diatoms in surface sediments and some limnological characteristics of studied lakes in the Siberian arctic
    PANGAEA
    In:  Supplement to: Palagushkina, Olga V; Nazarova, Larisa B; Wetterich, Sebastian; Schirrmeister, Lutz (2012): Diatoms of modern bottom sediments in Siberian arctic. Contemporary Problems of Ecology, 5(4), 413-422, https://doi.org/10.1134/S1995425512040105
    Details
    Publication Date: 2023-05-12
    Description: The investigation of the species composition and ecology of diatoms of modern bottom sediments in water bodies of arctic polygonal tundra in three subregions of North Yakutiya has been carried out. As a result, 161 taxons of diatoms were determined; the determinant role of the depth, conductivity, pH of the water, and geographic latitude in their distribution was confirmed, and two complexes of species with respect to the leading abiotic factors were distinguished. The diatoms of the first complex prefer shallow water bodies of high latitudes with neutral and slightly alkaline water and relatively high conductivity. The second complex is confined to the water bodies of lower latitudes with small conductivity, as well as neutral and slightly acidic water.
    Keywords: AWI_PerDyn; Permafrost Research (Periglacial Dynamics) @ AWI
    Type: Dataset
    Format: application/zip, 2 datasets
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  • 4
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    (Table 1) Age determination of sediment core YC12-HP-Mc (2016)
    PANGAEA
    Details
    Publication Date: 2023-06-27
    Keywords: Age, 14C AMS; Age, 14C calibrated; Age, dated; Age, dated, range, maximum; Age, dated, range, minimum; Age, dated material; Age, dated standard deviation; AWI_PerDyn; AWI Arctic Land Expedition; CA-Land_2012_YukonCoast; Carbon mass; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Herschel Island, Yukon Territory, Canada; Mass spectrometry; PEATC; Peat corer; Permafrost Research (Periglacial Dynamics) @ AWI; Sample, optional label/labor no; Treatment; YC12-HP-Mc; Yukon_Coast_2012; δ13C
    Type: Dataset
    Format: text/tab-separated-values, 44 data points
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  • 5
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    (Table 6) Diatoms of sediment core PG2100 (2016)
    PANGAEA
    Details
    Publication Date: 2023-07-09
    Keywords: Achnanthes lanceolata; Achnanthes minutissima var. minutissima; AGE; Age, calibrated; Amphora libyca; Anomoeoneis brachysira; Aulacoseira islandica; AWI_PerDyn; AWI Arctic Land Expedition; CA-Land_2012_YukonCoast; Caloneis silicula; Campylodiscus levanderi; Cocconeis placentula; Counting, diatoms; Cymbella arctica; Cymbella aspera; Cymbella cuspidata var. cuspidata; Cymbella cymbiformis var. cymbiformis; Cymbella ehrenbergii; Cymbella gracilis; Cymbella latens; Cymbella mesiana; Cymbella muellerii; Cymbella naviculiformis; Cymbella silesiaca; Cymbella subcuspidata; Cymbella turgidula; Cymbella tynnii; DEPTH, sediment/rock; Diatoma tenue; Diploneis oblongella; Diploneis ovalis var. ovalis; Epithemia adnata; Eunotia arcus; Eunotia bilunaris; Eunotia circumborealis; Eunotia exigua; Eunotia flexuosa; Eunotia incisa; Eunotia papilio; Eunotia pectinalis; Eunotia praerupta; Eunotia septentrionalis var. septentrionalis; Eunotia soleirolii; Eunotia subarcuatoides; Eunotia tenella; Fragilaria arcus; Fragilaria capucina var. capucina; Fragilaria constricta forma constricta; Fragilaria construens var. construens; Fragilaria leptostauron; Fragilaria pinnata; Gomphonema angustatum var. angustatum; Gomphonema angustum; Gomphonema clavatum; Gomphonema gracile var. gracile; Gomphonema lagerheimii; Gomphonema truncatum; Gyrosigma spenceri; Hantzschia amphioxys; Herschel Island, Yukon Territory, Canada; Navicula cryptocephala; Navicula elginensis; Navicula laevissima; Navicula lagerstedtii; Navicula muticopsis; Navicula phyllepta; Navicula pseudoscutiformis; Navicula pupula; Navicula radiosa; Navicula tuscula; Neidium affine; Neidium ampliatum; Neidium bisulcatum; Neidium dubium var. dubium; Neidium iridis; Nitzschia fossilis; Nitzschia frustulum; Nitzschia linearis; Nitzschia paleacea; Nitzschia palustris; Nitzschia sp.; Nitzschia vermicularis; Permafrost Research (Periglacial Dynamics) @ AWI; PG2100; Pinnularia balfouriana; Pinnularia brevicostata; Pinnularia gibba var. gibba; Pinnularia interrupta; Pinnularia lagerstedtii; Pinnularia major; Pinnularia microstauron; Pinnularia subcapitata; Pinnularia viridis var. viridis; SIPREC; SIPRE corer; Stauroneis acuta; Stauroneis anceps; Stauroneis phoenicenteron; Stauroneis producta; Stauroneis pygmaea; Synedra acus; Tabellaria fenestrata; Tabellaria flocculosa; Tetracyclus glans; Yukon_Coast_2012
    Type: Dataset
    Format: text/tab-separated-values, 1859 data points
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  • 6
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    Diatoms from a short sediment core of the Lake Bolshoy Kharbei, Bolshezemelskaya Tundra, Russia (2016)
    PANGAEA
    In:  Kazan Federal University
    Details
    Publication Date: 2023-07-09
    Keywords: Achnanthes brevipes var. brevipes; Achnanthes calcar; Achnanthes delicatula var. delicatula; Achnanthes exigua var. exigua; Achnanthes holsatica; Achnanthes lanceolata var. lanceolata; Achnanthes levanderi; Achnanthes lutheri; Achnanthes minutissima var. minutissima; Achnanthes obliqua; Achnanthes parvula; Achnanthes sp.; Amphora libyca; Amphora pediculus var. pediculus; Aulacoseira ambigua; Aulacoseira crenulata; Aulacoseira granulata var. granulata; Bolshezemelskaya Tundra; Caloneis bacillum var. bacillum; Caloneis silicula var. silicula; CDRILL; Cocconeis pediculus; Cocconeis placentula var. euglypta; Cocconeis placentula var. klinoraphis; Cocconeis placentula var. placentula; Core drilling; Counting, diatoms; Cyclotella comensis; Cyclotella iris; Cyclotella ocellata; Cyclotella radiosa; Cyclotella stelligera var. stelligera; Cyclotella striata var. striata; Cymbella amphycephala var. citrus; Cymbella cistula var. cistula; Cymbella ehrenbergii; Cymbella lanceolata var. lanceolata; Cymbella mesiana; Cymbella silesiaca; Cymbella sinuata forma sinuata; Cymbella sp.; Cymbella subaequalis; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Diatoma tenuis var. tenuis; Didymosphenia geminata; Diploneis elliptica var. elliptica; Diploneis ovalis var. ovalis; Ellerbeckia arenaria; Entomoneis alata; Epithemia adnata; Eunotia bilunaris var. bilunaris; Eunotia clevei var. clevei; Eunotia incisa; Eunotia pectinalis var. pectinalis; Eunotia praerupta var. praerupta; Eunotia soleirolii; Eunotia sp.; Eunotia sudetica var. sudetica; Eunotia triodon; Fragilaria brevistriata var. brevistriata; Fragilaria capucina; Fragilaria construens var. binodis; Fragilaria construens var. construens; Fragilaria construens var. subsalina; Fragilaria leptostauron var. leptostauron; Fragilaria leptostauron var. martyi; Fragilaria parasitica var. subconstricta; Fragilaria pinnata var. pinnata; Fragilaria virescens var. virescens; Frustulia rhomboides var. rhomboides; Gomphonema acuminatum var. acuminatum; Gomphonema acuminatum var. coronatum; Gomphonema clavatum; Gomphonema olivaceum var. olivaceum; Gomphonema parvulum var. parvulum; Gomphonema truncatum var. truncatum; Gyrosigma acuminatum var. acuminatum; Gyrosigma attenuatum; Hantzschia amphioxys var. amphioxys; Lake_Bolshoy_Kharbei; Navicula americana; Navicula cocconeiformis; Navicula cryptocephala var. cryptocephala; Navicula digitoradiata; Navicula laevissima; Navicula mutica var. mutica; Navicula radiosa var. radiosa; Navicula reinhardtii; Navicula rhynchocephala var. rhynchocephala; Navicula scutelloides var. scutelloides; Navicula sp.; Navicula tenera; Neidium ampliatum; Neidium bisulcatum var. bisulcatum; Neidium hitchcockii; Nitzschia dissipata var. dissipata; Nitzschia frustulum var. frustulum; Nitzschia lanceolata var. lanceolata; Nitzschia paleacea; Nitzschia palea var. palea; Nitzschia sp.; Nitzschia subacicularis; Pinnularia borealis; Pinnularia borealis var. rectangularis; Pinnularia brevicostata var. brevicostata; Pinnularia interrupta forma interrupta; Pinnularia microstauron var. microstauron; Pinnularia rupestris; Pinnularia streptoraphe var. streptoraphe; Pinnularia sudetica; Pinnularia viridis var. viridis; Rhopalodia gibba var. gibba; Stauroneis anceps var. anceps; Stauroneis phoenicenteron; Stauroneis smithii var. smithii; Stephanocostis chantaicus; Stephanodiscus alpinus; Surirella amphioxys; Surirella didyma var. didyma; Surirella elegans var. elegans; Surirella lapponica; Surirella ovalis var. ovalis; Surirella tenera var. tenera; Synedra acus var. acus; Synedra ulna var. ulna; Tabellaria fenestrata; Tabellaria flocculosa; Tetracyclus glans
    Type: Dataset
    Format: text/tab-separated-values, 2108 data points
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  • 7
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    Diatom abundance of sediment core from Lake Bayan Nuur (2023)
    PANGAEA
    Details
    Publication Date: 2023-07-09
    Description: 25 samples from the lake Bayan Nuur sediment core ( BN2016-1) bottom sediments were processed for diatom analysis in the range from 0 to 110.4 cm (Appendix 2). The samples of sediments were treated using the water bath method. We used high refracting Naphrax resin for the preparation of slides. The species were identified by key books. The valves were counted by parallel transects up to 300 pieces in a sample, using a light microscope and immersion oil. The total number of valves was considered to be 100%. Dominant species were defined as those which accounted for 10% of the total amount or more; subdominants were species which accounted for 5–10%. The pH and total phosphorus (µg/l) values were reconstructed using the European diatom algae database. The trophic status was assessed according to the reconstructed value of total phosphorus. Biogeographical and ecological characteristics of the taxa concerning preferences of habitat, pH, water salinity, geographical distribution were described following Van Dam et al. (1994, doi:10.1007/BF02334251) and Barinova et al. (2006).
    Keywords: Abundance estimate; Achnanthidium minutissimum; Amphora libyca; Amphora pediculus var. pediculus; Aneumastus tuscula; Anomoeoneis sphaerophora; Aulacoseira ambigua; Bayan Nuur; BN2016-1; Brachysira aponina; Caloneis silicula var. silicula; Campylodiscus clypeus var. clypeus; Cavinula scutelloides; Cocconeis placentula var. euglypta; Cyclotella iris; Cyclotella radiosa; Cymbella cistula var. cistula; Cymbella cymbiformis var. cymbiformis; Cymbella prostrata; Cymbella proxima; Cymbopleura amphicephala; Cymbopleura inaequalis; Cymbopleura naviculiformis; Denticula kuetzingii; DEPTH, sediment/rock; Diatoma vulgaris var. vulgaris; Diploneis elliptica var. elliptica; Encyonema mesianum; Encyonema silesiacum; Epithemia adnata; Epithemia gibba; Eucocconeis flexella; Eunotia exigua var. exigua; Fragilaria capucina var. capucina; Fragilaria crotonensis var. crotonensis; Fragilariforma bicapitata; Genkalia digituloides; Gomphonema acuminatum var. acuminatum; Gomphonema parvulum var. parvulum; Gomphonema subtile var. subtile; Gyrosigma attenuatum; Hantzschia amphioxys var. amphioxys; Humidophila peregrina; Lemnicola hungarica; Navicula cryptocephala var. cryptocephala; Navicula digitoradiata; Navicula radiosa var. radiosa; Navicula reichardtiana; Navicula rhynchocephala var. rhynchocephala; Neidium bisulcatum var. bisulcatum; Nitzschia amphibia var. amphibia; Nitzschia palea var. palea; Nitzschia vermicularis; Pantocsekiella ocellata; Pinnularia viridis var. viridis; Placoneis clementis; Placoneis elginensis; Planothidium borneolanceolatum; Pseudostaurosira brevistriata; Pseudostaurosira elliptica; SEDCO; Sediment corer; Sellaphora bacillum; Sellaphora pupula; Stauroneis phoenicenteron var. phoenicenteron; Staurosira construens var. exigua; Staurosirella pinnata; Stephanodiscus alpinus; Surirella brebissonii var. brebissonii; Surirella librile; Surirella ovalis var. ovalis; Ulnaria ulna
    Type: Dataset
    Format: text/tab-separated-values, 1650 data points
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  • 8
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    Distribution of diatoms in modern bottom sediments in Siberian arctic (2012)
    PANGAEA
    Details
    Publication Date: 2023-07-09
    Keywords: Achnanthes bioretii; Achnanthes didyma; Achnanthes flexella; Achnanthes gracillima; Achnanthes helvetica; Achnanthes hungarica; Achnanthes joursacense; Achnanthes laevis; Achnanthes lanceolata; Achnanthes levanderi; Achnanthes lutheri; Achnanthes marginulata; Achnanthes minutissima; Achnanthes minutissima var. jackü; Achnanthes obliqua; Achnanthes oblongella; Achnanthes rupestris; Achnanthes sp.; Achnanthes trinodis; Amphora inariensis; Amphora libyca; Amphora ovalis; Amphora pediculus; Anomoeoneis brachysira var. zellenis; Aulacoseira ambigua; Aulacoseira islandica; Aulacoseira subarctica; AWI Arctic Land Expedition; Bolshoy Lyakhovsky Island, East Siberia, Russia; Caloneis bacillum; Caloneis leptosoma; Caloneis schumanniana; Caloneis silicula var. minuta; Cyclotella ocellata; Cyclotella pseudostelligera; Cyclotella rossii; Cymbella aequalis; Cymbella alpina; Cymbella amphicephala; Cymbella angustata; Cymbella arctica; Cymbella cistula; Cymbella cuspidata; Cymbella cymbiformis; Cymbella gracilis; Cymbella incerta; Cymbella latens; Cymbella mesiana; Cymbella minuta; Cymbella naviculiformis; Cymbella obscura; Cymbella parva; Cymbella paucistriata; Cymbella perpusilla; Cymbella prostrata; Cymbella silesiaca; Cymbella subaequalis; Cymbella subcuspidata; Cymbella tynnii; Denticula tenuis; DEPTH, sediment/rock; Diatoma tenuis; Diploneis elliptica; Diploneis marginestriata; Diploneis oblongella; Diploneis ovalis; Diploneis puella; Eunotia bigibba; Eunotia bilunaris; Eunotia diodon; Eunotia exigua; Eunotia faba; Eunotia fallax; Eunotia flexuosa; Eunotia glacialis; Eunotia incisa; Eunotia naegelii; Eunotia parallela; Eunotia praerupta; Eunotia septentrionalis; Eunotia suecica; Eunotia tenella; Eunotia triodon; Event label; Fragilaria bidens; Fragilaria brevistriata; Fragilaria capucina; Fragilaria capucina var. amphicephala; Fragilaria capucina var. distans; Fragilaria constricta; Fragilaria construens; Fragilaria construens forma binodis; Fragilaria crotonensis; Fragilaria exigua; Fragilaria fasciculata; Fragilaria leptostauron var. martyi; Fragilaria nanana; Fragilaria parasitica; Fragilaria pinnata; Fragilaria tenera; Fragilaria virescens; Frustulia spicula; Frustulia vulgaris; Gomphonema acuminatum; Gomphonema angustatum; Gomphonema clavatum; Gomphonema gracile; Gomphonema lagerheimii; Gomphonema olivaceum var. minutissimum; Gomphonema parvulum; Gomphonema truncatum; Hantzschia amphioxys; LAP-01d; LAP-02; LAP-03; LAP-04; LAP-05; LAP-06; LAP-07; LAP-08; LAP-09; LAP-10; LAP-11; LAP-12; LAP-13; LAP-14; LAP-15; LAP-16a; LAP-17; LAP-18; LAP-19; LAP-20; LAP-21; LAP-22; LAP-23; LAP-24; LAP-25; LAP-26; LAP-27; LAP-28; LAP-29; LAP-31; LAP-32; LAP-35; LAP-36; LAP-37; Latitude of event; Lena2007; Location of event; Longitude of event; Navicula bacillum; Navicula capitata var. hungarica; Navicula cocconeiformis; Navicula contenta; Navicula cryptocephalla; Navicula pseudoscutiformis; Navicula pseudosilicula; Navicula pupula; Navicula pupula var. mutata; Navicula radiosa; Navicula rhynchocephala; Navicula sp.; Navicula vulpina; near Tiksi, East Siberia, Russia; Neidium affine; Neidium bisulcatum; Neidium iridis; Nitzschia addodinata; Nitzschia commutatoides; Nitzschia debilis; Nitzschia frustulum; Nitzschia frustulum var. bulnheimiana; Nitzschia gracilis; Nitzschia linearis; Nitzschia palea; Nitzschia paleacea; Nitzschia subtilis; Orthoseira roeseana; Oyogos Yar, East Siberia, Russia; Pinnularia alpina; Pinnularia borealis; Pinnularia brevicostata; Pinnularia gibba var. mesogongyla; Pinnularia intermedia; Pinnularia interrupta; Pinnularia lata; Pinnularia legumen; Pinnularia microstauron; Pinnularia rupestris; Pinnularia schroederii; Pinnularia stomatophora; Pinnularia subcapitata; Pinnularia viridis; Rhoicosphenia abbreviata; RU-Land_2007_Lena; Sample code/label; Stauroneis anceps; Stauroneis phoenicenteron; Stephanodiscus alpinus; Surirella angusta; Surirella biseriata; Surirella minuta; Synedra acus; Synedra ulna; Tabellaria fenestrata; Tabellaria flocculosa; Water sample; WS
    Type: Dataset
    Format: text/tab-separated-values, 5474 data points
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  • 9
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    Diatoms from Modern Lake Sediments of Lake Lebedinoe (Yamalo-Nenets Autonomous District, West Siberian Arctic, Russia) (2022)
    PANGAEA
    Details
    Publication Date: 2023-07-09
    Description: Arctic reservoirs are excellent indicators of the ongoing increase in air temperature on the planet. The West Siberian Arctic, especially its northern part, is poorly studied algologically. The aim of this work was to study the taxonomic composition of diatoms in modern sediments of Lake Lebedinoe (YNAD, West Siberian Arctic, Russia). 18 sediment samples were processed in the range from 1 to 36 cm. As a result 60 taxa of diatoms were identified in modern bottom sediments of the Lake Lebedinoe.
    Keywords: 17-Ya-02-A; Achnanthes delicatula; Achnanthes lanceolata; Achnanthes minutissima; Actinocyclus sp.; Amphora libyca; Aulacoseira ambigua; Aulacoseira distans; Aulacoseira islandica; Aulacoseira subarctica; Campylodiscus levanderi; Ceratoneis arcus; Core; CORE; Counting, diatoms; Cyclotella meneghiniana; Cymbella amphicephala; Cymbella ehrenbergii; Cymbella mesiana; Cymbella prostrata; Cymbella silesiaca; Cymbella subcuspidata; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; diatoms; Ellerbeckia arenaria; Eunotia bilunaris; Eunotia faba; Eunotia papilio; Eunotia parallela; Eunotia pectinalis; Eunotia praerupta; Eunotia serra; Eunotia subarcuatoides; Fragilaria capucina; Fragilaria constricta; Fragilaria construens; Fragilaria exigua; Fragilaria pinnata; Fragilaria ulna; Fragilaria virescens; Frustulia rhomboides; Gomphonema acuminatum; Gomphonema gracile var. gracile; Gomphonema truncatum var. truncatum; Gyrosigma attenuatum; lake; Lake Lebedinoe, Kharampur; modern bottom sediments; Navicula cryptocephala; Navicula pupula; Navicula radiosa; Navicula tuscula; Neidium ampliatum; Neidium bisulcatum; Neidium dilatatum; Neidium dubium; Neidium iridis; Pinnularia alpina; Pinnularia borealis; Pinnularia gibba; Pinnularia microstauron; Pinnularia viridis; Sample code/label; Stauroneis anceps; Stauroneis phoenicenteron; Surirella brebissonii; Tabellaria fenestrata; Tabellaria flocculosa; Tetracyclus glans; West Siberian Arctic; Yamalo-Nenets Autonomous District
    Type: Dataset
    Format: text/tab-separated-values, 1134 data points
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  • 10
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    Reconstruction of the amount of annual precipitation (PANN; mm/year) for Lake Bayan Nuur (2023)
    PANGAEA
    Details
    Publication Date: 2023-06-27
    Description: The modern pollen data from arid central Asia (Bordon et al., 2009, doi:10.1016/j.quaint.2008.05.014) and our newly completed modern pollen data from southwest Siberia (unpublished) was homogenized and combined into the modern pollen dataset (Cao et al., 2014, doi:10.1016/j.revpalbo.2014.08.007). In this study, the 808 modern pollen sites 1000-km around Bayan Nuur were selected to establish pollen-climate calibration-sets. PANN was selected as the target climatic variable for past climate 206 reconstruction. The model performance of cross-validation for the pollen-PANN calibration-set has high R2 (0.79) and low RMSEP (71 mm). A quantitative PANN reconstruction was performed using the WAPLS function in rioja package version 0.7-3 (Juggins, 2012) for R with square-root transformed pollen data.
    Keywords: AGE; Bayan Nuur; BN2016-1; Precipitation, annual total; SEDCO; Sediment corer; see description in data abstract
    Type: Dataset
    Format: text/tab-separated-values, 94 data points
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