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  • 1
    Publication Date: 2023-02-08
    Description: A comprehensive database of paleoclimate records is needed to place recent warming into the longer-term context of natural climate variability. We present a global compilation of quality-controlled, published, temperature-sensitive proxy records extending back 12,000 years through the Holocene. Data were compiled from 679 sites where time series cover at least 4000 years, are resolved at sub-millennial scale (median spacing of 400 years or finer) and have at least one age control point every 3000 years, with cut-off values slackened in data-sparse regions. The data derive from lake sediment (51%), marine sediment (31%), peat (11%), glacier ice (3%), and other natural archives. The database contains 1319 records, including 157 from the Southern Hemisphere. The multi-proxy database comprises paleotemperature time series based on ecological assemblages, as well as biophysical and geochemical indicators that reflect mean annual or seasonal temperatures, as encoded in the database. This database can be used to reconstruct the spatiotemporal evolution of Holocene temperature at global to regional scales, and is publicly available in Linked Paleo Data (LiPD) format.
    Type: Article , PeerReviewed
    Format: text
    Location Call Number Limitation Availability
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  • 2
    Publication Date: 2020-06-14
    Description: A comprehensive database of paleoclimate records is needed to place recent warming into the longer-term context of natural climate variability. We present a global compilation of quality-controlled, published, temperature-sensitive proxy records extending back 12,000 years through the Holocene. Data were compiled from 679 sites where time series cover at least 4000 years, are resolved at sub-millennial scale (median spacing of 400 years or finer) and have at least one age control point every 3000 years, with cut-off values slackened in data-sparse regions. The data derive from lake sediment (51%), marine sediment (31%), peat (11%), glacier ice (3%), and other natural archives. The database contains 1319 records, including 157 from the Southern Hemisphere. The multi-proxy database comprises paleotemperature time series based on ecological assemblages, as well as biophysical and geochemical indicators that reflect mean annual or seasonal temperatures, as encoded in the database. This database can be used to reconstruct the spatiotemporal evolution of Holocene temperature at global to regional scales, and is publicly available in Linked Paleo Data (LiPD) format.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 3
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    PANGAEA
    In:  Institut für Geophysik und Geologie, Universität Leipzig
    Publication Date: 2023-06-27
    Keywords: AGE; AWI_PerDyn; AWI Arctic Land Expedition; Chironomidae remains; Chironomus sp.; Corynocera oliveri; Corynoneura scutellata; Counting, palynology; Cricotopus sp.; DEPTH, sediment/rock; Diamesa sp.; GL-Land_1994; Greenland94; Heterotanytarsus sp.; Heterotrissocladius brundini; Heterotrissocladius grimshawi; Heterotrissocladius marcidus; Heterotrissocladius oliveri; Heterotrissocladius sp.; Heterotrissocladius subpillosus; Hydrobaenus sp.; Micropsectra insignilobus; Orthocladius sp.; Paracladius sp.; Paracladopelma sp.; Paratanytarsus sp.; PCUWI; Permafrost Research (Periglacial Dynamics) @ AWI; PG1212-3; Piston corer, UWITEC; Procladius sp.; Psectrocladius sp.; Sergentia sp.; Smittia sp.; Tanytarsus lugens; Thienemannimyia sp.
    Type: Dataset
    Format: text/tab-separated-values, 525 data points
    Location Call Number Limitation Availability
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  • 4
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    PANGAEA
    In:  Institut für Geophysik und Geologie, Universität Leipzig
    Publication Date: 2023-06-27
    Keywords: AGE; AWI_PerDyn; AWI Arctic Land Expedition; Calculated; Carbon, inorganic, total; Carbon, organic, total; Carbon, total; Carbon/Nitrogen ratio; Carbon and nitrogen and sulfur (CNS) isotope element analyzer, Elementar, Vario EL III; COMPCORE; Composite Core; DEPTH, sediment/rock; Element analyser, Metalyt CS-1000S (ELTRA Corp.); GL-Land_1994; Greenland94; Lake S of Basalt Sø; Nitrogen, total; Opal, auto analysis (Müller & Schneider, 1993); Opal, biogenic silica; Permafrost Research (Periglacial Dynamics) @ AWI; PG1212; Sulfur, total
    Type: Dataset
    Format: text/tab-separated-values, 741 data points
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  • 5
    Publication Date: 2023-06-27
    Keywords: Age, calculated calendar years; Age, dated; Age, dated material; Age, dated standard deviation; Age, maximum/old; Age, minimum/young; AWI Arctic Land Expedition; COMPCORE; Composite Core; DEPTH, sediment/rock; Duck Lake, central Store Koldewey, NE-Greenland; GL-Land_2003_ EastGreenland; Greenland2003; Isotope ratio mass spectrometry; Lz1103; Method comment; Sample, optional label/labor no; Sample mass; δ13C, organic carbon
    Type: Dataset
    Format: text/tab-separated-values, 74 data points
    Location Call Number Limitation Availability
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  • 6
    Publication Date: 2023-06-27
    Keywords: Conductivity; DEPTH, water; Duck_Lake; Duck Lake, central Store Koldewey, NE-Greenland; Oxygen; Oxygen saturation; pH; Temperature, water; Water sampler, UWITEC; WSUWI
    Type: Dataset
    Format: text/tab-separated-values, 35 data points
    Location Call Number Limitation Availability
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  • 7
    Publication Date: 2023-06-27
    Keywords: AGE; AWI Arctic Land Expedition; Calculated, dried, re-weight; Calculated, TC minus TOC; Calculated after FOLK; Carbon, inorganic, total; Carbon, organic, total; Carbon and nitrogen and sulfur (CNS) isotope element analyzer, Elementar, Vario EL III; COMPCORE; Composite Core; Density, wet bulk; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Duck Lake, central Store Koldewey, NE-Greenland; Element analyser, Metalyt CS-1000S (ELTRA Corp.); GL-Land_2003_ EastGreenland; Grain size, mean; Greenland2003; Lz1103; Magnetic susceptibility, volume; Multi-Sensor Core Logger 14, GEOTEK; Nitrogen, total; Sorting in phi; Sulfur, total; Water content, wet mass
    Type: Dataset
    Format: text/tab-separated-values, 3404 data points
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  • 8
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    PANGAEA
    In:  Supplement to: Klug, Martin; Schmidt, Steffi; Bennike, Ole; Heiri, Oliver; Melles, Martin; Wagner, Bernd (2009): Lake sediments from Store Koldewey, Northeast Greenland, as archive of Late Pleistocene and Holocene climatic and environmental changes. Boreas, 38(1), 59-71, https://doi.org/10.1111/j.1502-3885.2008.00038.x
    Publication Date: 2023-06-27
    Description: A 2.9 m long sedimentary record was studied from a small lake, here referred to as Duck Lake, located at 76°25'N, 18°45'W on Store Koldewey, an elongated island off the coast of Northeast Greenland. The sediments were investigated for their geophysical and biogeochemical characteristics, and for their fossil chironomid assemblages. Organic matter began to accumulate in the lake at 9.1 cal. kyr BP, which provides a minimum age for the deglaciation of the basin. Although the early to mid-Holocene is known as a thermal maximum in East Greenland, organic matter accumulation in the lake remained low during the early Holocene, likely due to late plant immigration and lack of nutrient availability. Organic matter accumulation increased during the middle and late Holocene, when temperatures in East Greenland gradually decreased. Enhanced soil formation probably led to higher nutrient availability and increased production in the lake. Chironomids are abundant throughout the record after 9.1 cal. kyr BP and seem to react sensitively to changes in temperature and nutrient availability. It is concluded that relative temperature reconstructions based on biogeochemical data have to be regarded critically, particularly in the period shortly after deglaciation when nutrient availability was low. Chironomids may be a suitable tool for climatic reconstructions even in those high arctic environments. However, a better understanding of the ecology of chironomids under these extreme conditions is needed.
    Keywords: AWI Arctic Land Expedition; COMPCORE; Composite Core; Duck_Lake; Duck Lake, central Store Koldewey, NE-Greenland; GL-Land_2003_ EastGreenland; Greenland2003; Lz1103; Water sampler, UWITEC; WSUWI
    Type: Dataset
    Format: application/zip, 4 datasets
    Location Call Number Limitation Availability
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  • 9
    Publication Date: 2023-07-10
    Keywords: AWI Arctic Land Expedition; Calculated after Shannon (1948); cf. Diamesa-type; cf. Eukiefferiella; cf. Oliveridia; Chironomidae, larvae, head capsules of dry mass; Chironomidae, larvae, head capsules of wet mass; COMPCORE; Composite Core; Corynocera oliveri-type; Corynoneura scutellata-type; Counting, dissecting microscope; DEPTH, sediment/rock; Diversity; Duck Lake, central Store Koldewey, NE-Greenland; Evenness of species; GL-Land_2003_ EastGreenland; Greenland2003; Heterotrissocladius; Heterotrissocladius maeaeri-type; Lz1103; Micropsectra insignilobus-type; Micropsectra radialis-type; Micropsectra sp.; Number of species; Orthocladiinae; Orthocladius; Orthocladius consobrinus-type; Paracladius; Procladius; Psectrocladius sordidellus-type; Pseudodiamesa; Sergentia coracina-type; Tanytarsus lugens-type
    Type: Dataset
    Format: text/tab-separated-values, 936 data points
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  • 10
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    PANGAEA
    In:  Institut für Geophysik und Geologie, Universität Leipzig
    Publication Date: 2024-01-04
    Keywords: AWI_PerDyn; AWI Arctic Land Expedition; COMPCORE; Composite Core; DEPTH, sediment/rock; GL-Land_1994; Greenland94; Lake S of Basalt Sø; Multi-Sensor Core Logger (MSCL), GEOTEK; Permafrost Research (Periglacial Dynamics) @ AWI; PG1212; Velocity, compressional wave
    Type: Dataset
    Format: text/tab-separated-values, 221 data points
    Location Call Number Limitation Availability
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