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  • 1
    facet.materialart.
    Unknown
    Stable oxygen isotope ratios of tree-ring cellulose from oak (Quercus robur) at Lake Tiefer See, Mecklenburg Lake District, Northeastern Germany (2023)
    GFZ Data Services
    Details
    Publication Date: 2023-05-25
    Description: Methods
    Description: Wood increment cores of 15 Quercus robur tree individuals were taken. Dendro-dated late wood from tree rings of 5 individuals was dissected (not pooled). After cellulose extraction and homogenization, 18O/16O-ratios of annually resolved samples were determined by Isotope Ratio Mass Spectrometry (IRMS). Time series of 18O/16O are given as delta-values versus VSMOW. Details can be found in the downloadable “data description” file.
    Description: Abstract
    Description: An annually resolved chronologies of oxygen isotopes from five living oak (Quercus robur) trees have been measured from tree ring cellulose covering up to the last 180 years (1836CE – 2020CE). This tree-ring stable isotope data set was established within the ‘Terrestrial Environmental Observatories’ (TERENO) of the Helmholtz Association. The site “Lake Tiefer See” is subject to the TERENO monitoring activities at the Northeast German Lowland Observatory coordinated by the GFZ German Research Centre for Geosciences in Potsdam. The data set comprises the δ18O records with respect to the international VSMOW standard. Lake Tiefer See (53°350 N, 12°320 E) is located 90 km NNW of Berlin in the morainic terrain of the NE-German Polish Basin. It is part of in the N–S trending Klocksin Lake Chain. The sampled trees are growing at the southern shore of the lake. Fifteen co-dominant Quercus robur tree individuals were cored at about 1.3m above ground from two opposite positions using an increment corer of 5 mm diameter (Suunto, Finland or Mora, Sweden).
    Keywords: tree rings ; latewood ; cellulose ; stable oxygen isotopes ; d18O ; 18O/16O ; time series ; chronology ; Lake Tiefer See ; Mecklenburg lake district ; Northeastern Germany ; oak ; Quercus robur ; TERENO ; TERENO Northeast ; TERENO Nordost ; TERrestrial ENvironmental Observatories ; EARTH SCIENCE 〉 CLIMATE INDICATORS 〉 PALEOCLIMATE INDICATORS ; EARTH SCIENCE 〉 CLIMATE INDICATORS 〉 PALEOCLIMATE INDICATORS 〉 BIOLOGICAL RECORDS 〉 TREE RINGS ; EARTH SCIENCE 〉 CLIMATE INDICATORS 〉 PALEOCLIMATE INDICATORS 〉 BIOLOGICAL RECORDS 〉 TREE RINGS 〉 ISOTOPIC ANALYSIS ; EARTH SCIENCE 〉 CLIMATE INDICATORS 〉 PALEOCLIMATE INDICATORS 〉 BIOLOGICAL RECORDS 〉 TREE RINGS 〉 ISOTOPIC ANALYSIS 〉 CARBON ISOTOPE ; EARTH SCIENCE 〉 CLIMATE INDICATORS 〉 PALEOCLIMATE INDICATORS 〉 PALEOCLIMATE RECONSTRUCTIONS ; EARTH SCIENCE 〉 PALEOCLIMATE 〉 LAND RECORDS 〉 TREE RINGS
    Type: Dataset , Dataset
    Location Call Number Expected Availability
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    DATA GFZ
  • 2
    facet.materialart.
    Unknown
    Stable carbon isotope ratios of tree-ring cellulose from oak (Quercus robur) at Lake Tiefer See, Mecklenburg Lake District, Northeastern Germany (2023)
    GFZ Data Services
    Details
    Publication Date: 2023-05-25
    Description: Methods
    Description: Wood increment cores of 15 Quercus robur tree individuals were taken. Dendro-dated late wood from tree rings of 5 individuals was dissected (not pooled). After cellulose extraction and homogenization, 13C/12C-ratios of annually resolved samples were determined by Isotope Ratio Mass Spectrometry (IRMS). Time series of 13C/12C are given as delta-values versus VPDB. Details can be found in the downloadable “data description” file.
    Description: Abstract
    Description: An annually resolved chronologies of carbon isotopes from five living oak (Quercus robur) trees have been measured from tree ring cellulose covering up to the last 180 years (1836CE – 2020CE). This tree-ring stable isotope data set was established within the ‘Terrestrial Environmental Observatories’ (TERENO) of the Helmholtz Association. The site “Lake Tiefer See” is subject to the TERENO monitoring activities at the Northeast German Lowland Observatory coordinated by the GFZ German Research Centre for Geosciences in Potsdam. The data set comprises the δ13C records with respect to the international VPDB standard. Lake Tiefer See (53°350 N, 12°320 E) is located 90 km NNW of Berlin in the morainic terrain of the NE-German Polish Basin. It is part of in the N–S trending Klocksin Lake Chain. The sampled trees are growing at the southern shore of the lake. Fifteen co-dominant Quercus robur tree individuals were cored at about 1.3m above ground from two opposite positions using an increment corer of 5 mm diameter (Suunto, Finland or Mora, Sweden).
    Keywords: Tree rings ; latewood ; cellulose ; stable carbon isotopes ; d13C ; 13C/12C ; time series ; chronology ; Lake Tiefer See ; Mecklenburg lake district ; Northeastern Germany ; oak ; Quercus robur ; TERENO ; TERENO Northeast ; TERENO Nordost ; TERrestrial ENvironmental Observatories ; EARTH SCIENCE 〉 CLIMATE INDICATORS 〉 PALEOCLIMATE INDICATORS ; EARTH SCIENCE 〉 CLIMATE INDICATORS 〉 PALEOCLIMATE INDICATORS 〉 BIOLOGICAL RECORDS 〉 TREE RINGS ; EARTH SCIENCE 〉 CLIMATE INDICATORS 〉 PALEOCLIMATE INDICATORS 〉 BIOLOGICAL RECORDS 〉 TREE RINGS 〉 ISOTOPIC ANALYSIS ; EARTH SCIENCE 〉 CLIMATE INDICATORS 〉 PALEOCLIMATE INDICATORS 〉 BIOLOGICAL RECORDS 〉 TREE RINGS 〉 ISOTOPIC ANALYSIS 〉 CARBON ISOTOPE ; EARTH SCIENCE 〉 CLIMATE INDICATORS 〉 PALEOCLIMATE INDICATORS 〉 PALEOCLIMATE RECONSTRUCTIONS ; EARTH SCIENCE 〉 PALEOCLIMATE 〉 LAND RECORDS 〉 TREE RINGS
    Type: Dataset , Dataset
    Location Call Number Expected Availability
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    DATA GFZ
  • 3
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    Unknown
    Tree growth data on four dominant Pinaceae species along a transect in Central Yakutia sampled in 2018 (2022)
    PANGAEA
    Details
    Publication Date: 2024-06-12
    Description: Tree cores and discs were collected during fieldwork in Yakutia in 2018 by scientists from Alfred Wegener Institute (AWI), Helmholtz Centre for Polar and Marine Research and University of Potsdam, Germany, The Institute for Biological problems of the Cryolithozone, Russian Academy of Sciences, Siberian branch, and The Institute of Natural Sciences, North-Eastern Federal University of Yakutsk, Yakutsk, Russia (Kruse et al., 2019). The samples were dried, sanded, digitized and further processed by identifying the ring layers end exporting the tree ring width for each year. The site chronologies were established by cross-dating all samples to each other, which helped coping with small ring sizes but especially with missing rings, and frost rings. We processed samples of four species, Larix gmelinii (LAGM), Picea obovata (PIOB), Pinus sylvestris (PISY) and Pinus sibirica (PISI). These were recorded at a variety of locations: LAGM from Lake Khamra sites EN18079, -80, -81, -83 (N59.974919° E112.958985°, N59.977106° E112.961379°, N59.970583° E112.987096°, N59.974714° E113.002874°) PIOB from Lake Khamra sites EN18079, -81, -83 (59.974919° E112.958985°, 59.970583° E112.987096°, 59.974714° E113.002874°) PISI from Lake Khamra sites EN18080-EN18083 (N59.977106° E112.961379°) PISY from different sites between EN18061 (N62.076376° E129.618586°) and EN18077 (N61.892568° E114.288623°)
    Keywords: AWI Arctic Land Expedition; boreal forest; Campaign; Central Yakutia; Chukotka 2018; dendrochronology; Direction; EN18068; EN18070_centre; EN18071; EN18073; EN18077; EN18078; EN18079; EN18080; EN18081; EN18083; Event label; Latitude of event; Longitude of event; Replicates; ring width chronology; RU-Land_2018_Yakutia; Sample height; Sample ID; Species; Subsample ID; tree growth; tree rings; Vegetation survey; VEGSUR
    Type: Dataset
    Format: text/tab-separated-values, 546 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
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