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  • 2020-2024  (10)
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  • 1
    Keywords: Forschungsbericht ; Mobilfunk
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource (47 Seiten, 1,82 MB) , Illustrationen, Diagramme
    Language: German
    Note: Paralleltitel dem englischen Berichtsblatt entnommnen , Förderkennzeichen BMBF 16KIS0684 , Verbundnummer 01176355 , Unterschiede zwischen dem gedruckten Dokument und der elektronischen Ressource können nicht ausgeschlossen werden , Sprache der Zusammenfassung: Deutsch, Englisch
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  • 2
    Publication Date: 2024-01-03
    Description: Siderite C-O-Fe isotope compositions, pore water geochemistry and bulk sediment measurements covering the 100 m-long core from drill site TDP-1A in ferruginous Lake Towuti, Indonesia. Samples were obtained during the International Continental Scientific Drilling Program (ICDP) coring operations of the Towuti Drilling Project (TDP) from May to July 2015.
    Keywords: Acetate; Alkalinity, total; Ammonium; Bulk Sediment; Butyrate; Calcium; Carbon, inorganic, dissolved; Carbon, organic, total; carbon and oxygen isotopes; CDRILL; Chloride; Core drilling; DEPTH, sediment/rock; DIC; DMIC; FAMAFED; Formate; Formation of authigenic minerals associated with microbial activity in ferruginous sediments, Lake Towuti; GeoFeLT; GeoFeLT (Lake Towuti); ICDP; International Continental Scientific Drilling Program; Iron, reactive; Iron, total; Iron II, ferrous iron; iron isotopes; Lactate; Lake Towuti; Lake Towuti, Sulawesi, Indonesia; Magnesium; Manganese; Methane; Microbial processes in iron-rich sediments of Lake Towuti, Indonesia: Disentangling the methane and iron cycles; Mineral name; Nitrate; pH; Phosphate; pore water geochemistry; Potassium; Propionate; siderite; Sodium; Sulfate; TDP-1A; volatile fatty acids; δ13C, carbon dioxide; δ13C, methane; δ13C, organic matter; δ13C, siderite; δ18O, porewater; δ18O, siderite; δ56Fe; δ Deuterium, porewater
    Type: Dataset
    Format: text/tab-separated-values, 1532 data points
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  • 3
    Publication Date: 2024-01-27
    Keywords: AGE; Altiplano; Carbon, organic, total; Carbon, organic, total/Nitrogen, total ratio; cellulose; Cerro Tuzgle, Argentina; Cushion peatland; DEPTH, sediment/rock; Elemental ratios; Holocene; hydroclimate; Nitrogen, total; PCOR; Percussion corer; Radiocarbon chronology; South American Summer Monsoon; Southern Hemisphere Westerly Winds; Stable carbon and oxygen isotopes; Tuz-694; XRF data; δ13C, cellulose; δ13C, organic carbon; δ15N, bulk sediment; δ18O, cellulose
    Type: Dataset
    Format: text/tab-separated-values, 2424 data points
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  • 4
    Publication Date: 2024-01-27
    Keywords: Age, 14C; Age, dated; Age, dated standard deviation; Altiplano; Calendar age; Calendar age, maximum/old; Calendar age, minimum/young; cellulose; Cerro Tuzgle, Argentina; Cushion peatland; DEPTH, sediment/rock; Elemental ratios; Holocene; hydroclimate; Laboratory code/label; modelled; PCOR; Percussion corer; Radiocarbon chronology; South American Summer Monsoon; Southern Hemisphere Westerly Winds; Stable carbon and oxygen isotopes; Tuz-694; XRF data
    Type: Dataset
    Format: text/tab-separated-values, 243 data points
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  • 5
    Publication Date: 2024-01-27
    Keywords: AGE; Altiplano; Aluminium; Arsenic; Barium; Bromine; Calcium; cellulose; Cerro Tuzgle, Argentina; Chlorine; Chromium; Copper; Cushion peatland; DEPTH, sediment/rock; Elemental ratios; Gallium; Germanium; Holocene; hydroclimate; Iron; Lead; Manganese; Mean squared error; Nickel; PCOR; Percussion corer; Phosphorus; Potassium; Radiocarbon chronology; Rubidium; Selenium; Silicon; South American Summer Monsoon; Southern Hemisphere Westerly Winds; Stable carbon and oxygen isotopes; Strontium; Sulfur; Titanium; Total count rate; Tuz-694; Vanadium; X-ray fluorescence (XRF); XRF data; Yttrium; Zinc; Zirconium
    Type: Dataset
    Format: text/tab-separated-values, 53284 data points
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  • 6
    Publication Date: 2024-01-27
    Description: We investigated the Cerro Tuzgle cushion peatland (24˚09' S, 66˚24' W) located on the Argentine Altiplano at 24°S, north of the present-day South American subtropical dry zone. The core Tuz-694 was retrieved by percussion coring in December 2012 and analyses were performed during the years 2014 to 2021. We applied radiocarbon dating, XRF core-scanning, organic carbon and total nitrogen element content determination, stable organic carbon and total nitrogen isotope analyses, and cellulose stable carbon and oxygen isotope analyses. We extend the Cerro Tuzgle cushion peatland record to the middle Holocene covering the last 7200 cal yr BP. The aim of the study was to gain further knowledge of the Holocene development of the SASM and potential modulations of its latitudinal position.
    Keywords: Altiplano; cellulose; Cerro Tuzgle, Argentina; Cushion peatland; Elemental ratios; Holocene; hydroclimate; PCOR; Percussion corer; Radiocarbon chronology; South American Summer Monsoon; Southern Hemisphere Westerly Winds; Stable carbon and oxygen isotopes; Tuz-694; XRF data
    Type: Dataset
    Format: application/zip, 3 datasets
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  • 7
    Publication Date: 2024-04-26
    Description: Oxygen isotopes in biogenic silica (δ18O BSi) from lake sediments allow for quantitative reconstruction of past hydroclimate and proxy–model comparison in terrestrial environments. The signals of individual records have been attributed to different factors, such as air temperature (T air ), atmospheric circulation patterns, hydrological changes and lake evaporation. Here, we provide 55 composite down–core records published to date and complemented with additional lake basin parameters (e.g. lake water residence time and catchment size) to best characterize the signal properties. Records feature widely different temporal coverage and resolution ranging from decadal–scale records covering the last 150 years to records with multi–millennial scale resolution spanning glacial–interglacial cycles. Best coverage in number of records (N=37) and datapoints (N=2112) is available for northern hemispheric (NH) extra–tropic regions throughout the Holocene (corresponding to Marine Isotope Stage 1; MIS 1).
    Keywords: 03-2K, 05-4P; Age, interval; Alps; Americium-241 (yes/no); Argon-40/Argon-39 chronology (yes/no); AWI Arctic Land Expedition; BAIK13; Baikal; BALGGU171; Baringo-Bogoria Basin; Baunt Lake; BD_4; BDP1996; BDP96-2; BNT14_1-8; BUCKET; Bucket water sampling; Caesium-137 (yes/no); Calendar age, maximum/old; Calendar age, minimum/young; Carbon-14, number of samples used for chronology; Carbon-14 chronology (yes/no); Catchment area; Chronology; Co1309; Co1321; Co1412; Comment; COMPCORE; Compilation; Composite Core; CON01-6; CON01-603-2; CON01-605-3; Continent; Core; CORE; Core III; Core length; Country; D110; D160; Dating; delta O-18; Depth, description; Depth, sampling; Dethlingen; Diatom; Diatoms, δ18O (yes/no); Discharge, average per year; DRILL; Drilling/drill rig; EC1; ELEVATION; Elgygytgyn2003; Elgygytgyn crater lake, Sibiria, Russia; Event label; EWK; From the HydroLakes database; From the original publication; G7/02; Garba Guracha; GC; Gear; GL1; Grandfather Lake; Gravity corer; Hausberg Tarn; Heart Lake; HL-1; HT1; Identification; Isotope notation; Isotopes, precipitation (yes/no); Isotopes, water (yes/no); Kamchatka2007; KL_Mg; KOL; KTK2; KULC; KULLENBERG corer; L850; Ladoga Lake, Russia; Lago Chungara; Laguna Verda Baja; Laguna Verde Alta; Laguna Zacapu; Lake; Lake, depth, maximum; Lake, depth, mean; Lake 850; Lake Baikal, Russia; Lake Baikal/Academician Ridge; Lake Bolshoye Shchuchye, Polar Urals, Russia; Lake Brazi; Lake Challa; Lake Chuna; Lake Emanda; Lake Gosciaz; Lake Kotokel; Lake Malawi; Lake Petit; Lake Pinarbasi; Lake Pupuke; Lake Rutundu; Lake sediment core; Lake Spaime; Lake Stuor Goussasjavri; Lake surface area; Lake Tilo; Lake type; Lake water volume; LATITUDE; LB03-01; LB04-02; LC-1; LCHA-1; Lead-210 (yes/no); Lead-214 (yes/no); Les Echets; LG-1; Linsley Pond; Livingstone piston corer; Location type; LONGITUDE; LP1; LPC; LR-1; LS-1; LSG-1; LT1; LVA-1; LVB-1; Lz1024; Lz1029; M98-2P; MACC; Mackereth corer; Magnetic susceptibility (yes/no); Makgadikgadi; MBG-1; MC-2; Mica Lake; NAR0110; Nar Golu; Nettilling Lake; Ni-2B; northeastern Siberia; Number of points; NW-Spain; Optically stimulated luminescence chronology (yes/no); OUTCROP; Outcrop sample; P2; P210; P260; paleoclimate proxy; Paleomagnetics (yes/no); PCOR; PCUWI; Percussion corer; Persistent Identifier; PET09P2; PG1857-2; Piston corer, UWITEC; Piston corer (Kiel type); Piston corer Meischner large; PN94C; Profile; PTAU1; Radium-226 (yes/no); Reference/source; Residence time; RM1; RU-Land_2003_Elgygytgyn; RU-Land_2007_Kamchatka; RUSC; Russian corer; Sampling/drilling in lake; Schrader Pond; SCP16-2A; SEDCO; Sediment corer; SHT1; SIL-MC; Simba Tarn; Small Hall Tarn; SQRL; Square-rod Livingston piston sampler; ST1; Sunken Island Lake; Tauca; TDB-1; Tephra/volcanic ash; Time resolution; TL1; Tonsberg Lake; Two-Yurts Lake; Type; Uranium-thorium chronology (yes/no); Used in paper for synthesis and analysis; Varve chronology (yes/no); VAY1; Vereshchagin; Vuolep Allakasjaure; Year of publication; Year of sampling; Yellowstone Lake; YL16-2C; ZAC/3; ZK2
    Type: Dataset
    Format: text/tab-separated-values, 2978 data points
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  • 8
    Publication Date: 2024-04-25
    Description: Oxygen isotopes in biogenic silica (δ18O BSi) from lake sediments allow for quantitative reconstruction of past hydroclimate and proxy–model comparison in terrestrial environments. The signals of individual records have been attributed to different factors, such as air temperature (T air ), atmospheric circulation patterns, hydrological changes and lake evaporation. Here, we provide 55 composite down–core records published to date and complemented with additional lake basin parameters (e.g. lake water residence time and catchment size) to best characterize the signal properties. Records feature widely different temporal coverage and resolution ranging from decadal–scale records covering the last 150 years to records with multi–millennial scale resolution spanning glacial–interglacial cycles. Best coverage in number of records (N=37) and datapoints (N=2112) is available for northern hemispheric (NH) extra–tropic regions throughout the Holocene (corresponding to Marine Isotope Stage 1; MIS 1).
    Keywords: 03-2K, 05-4P; AGE; Alps; Aluminium oxide; AWI Arctic Land Expedition; BAIK13; Baikal; BALGGU171; Baringo-Bogoria Basin; Baunt Lake; BD_4; BDP1996; BDP96-2; BNT14_1-8; BUCKET; Bucket water sampling; Co1309; Co1321; Co1412; COMPCORE; Compilation; Composite Core; CON01-6; CON01-603-2; CON01-605-3; Core; CORE; Core III; Corrected for contamination; D110; D160; delta O-18; Depth, composite bottom; Depth, composite mean; Depth, composite top; Depth, relative; Dethlingen; Diatom; Diatoms, δ18O; Diatoms, δ18O, standard deviation; DRILL; Drilling/drill rig; EC1; Elgygytgyn2003; Elgygytgyn crater lake, Sibiria, Russia; Event label; EWK; G7/02; Garba Guracha; GC; GL1; Grandfather Lake; Gravity corer; Hausberg Tarn; Heart Lake; HL-1; HT1; Identification; Kamchatka2007; KL_Mg; KOL; KTK2; KULC; KULLENBERG corer; L850; Laboratory code/label; Ladoga Lake, Russia; Lago Chungara; Laguna Verda Baja; Laguna Verde Alta; Laguna Zacapu; Lake 850; Lake Baikal, Russia; Lake Baikal/Academician Ridge; Lake Bolshoye Shchuchye, Polar Urals, Russia; Lake Brazi; Lake Challa; Lake Chuna; Lake Emanda; Lake Gosciaz; Lake Kotokel; Lake Malawi; Lake Petit; Lake Pinarbasi; Lake Pupuke; Lake Rutundu; Lake sediment core; Lake Spaime; Lake Stuor Goussasjavri; LB03-01; LB04-02; LC-1; LCHA-1; Les Echets; LG-1; Linsley Pond; Livingstone piston corer; LP1; LPC; LR-1; LS-1; LSG-1; LVA-1; LVB-1; Lz1024; Lz1029; M98-2P; MACC; Mackereth corer; Makgadikgadi; MBG-1; MC-2; Mica Lake; NAR0110; Nar Golu; Nettilling Lake; Ni-2B; northeastern Siberia; NW-Spain; OUTCROP; Outcrop sample; P2; P210; P260; paleoclimate proxy; PCOR; PCUWI; Percussion corer; PET09P2; PG1857-2; Piston corer, UWITEC; Piston corer (Kiel type); Piston corer Meischner large; PN94C; PTAU1; Raw data; RM1; RU-Land_2003_Elgygytgyn; RU-Land_2007_Kamchatka; RUSC; Russian corer; Sample code/label; Sampling/drilling in lake; Schrader Pond; SCP16-2A; Section; SEDCO; Sediment corer; SHT1; Silicon dioxide; SIL-MC; Simba Tarn; Small Hall Tarn; SQRL; Square-rod Livingston piston sampler; ST1; Sunken Island Lake; Tauca; TDB-1; TL1; Tonsberg Lake; Two-Yurts Lake; VAY1; Vereshchagin; Vuolep Allakasjaure; Yellowstone Lake; YL16-2C; ZAC/3; ZK2; δ13C, diatom-bound organic matter
    Type: Dataset
    Format: text/tab-separated-values, 19805 data points
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  • 9
    Publication Date: 2024-04-25
    Description: Oxygen isotopes in biogenic silica (δ18O BSi) from lake sediments allow for quantitative reconstruction of past hydroclimate and proxy–model comparison in terrestrial environments. The signals of individual records have been attributed to different factors, such as air temperature (T air ), atmospheric circulation patterns, hydrological changes and lake evaporation. Here, we provide 55 composite down–core records published to date and complemented with additional lake basin parameters (e.g. lake water residence time and catchment size) to best characterize the signal properties. Records feature widely different temporal coverage and resolution ranging from decadal–scale records covering the last 150 years to records with multi–millennial scale resolution spanning glacial–interglacial cycles. Best coverage in number of records (N=37) and datapoints (N=2112) is available for northern hemispheric (NH) extra–tropic regions throughout the Holocene (corresponding to Marine Isotope Stage 1; MIS 1).
    Keywords: Compilation; delta O-18; Diatom; Lake sediment core; paleoclimate proxy
    Type: Dataset
    Format: application/zip, 2 datasets
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  • 10
    Publication Date: 2024-03-19
    Description: Oxygen isotopes in biogenic silica (δ18OBSi) from lake sediments allow for quantitative reconstruction of past hydroclimate and proxy-model comparison in terrestrial environments. The signals of individual records have been attributed to different factors, such as air temperature (Tair), atmospheric circulation patterns, hydrological changes, and lake evaporation. While every lake has its own local set of drivers of δ18O variability, here we explore the extent to which regional or even global signals emerge from a series of paleoenvironmental records. This study provides a comprehensive compilation and combined statistical evaluation of the existing lake sediment δ18OBSi records, largely missing in other summary publications (i.e. PAGES network). For this purpose, we have identified and compiled 71 down-core records published to date and complemented these datasets with additional lake basin parameters (e.g. lake water residence time and catchment size) to best characterize the signal properties. Records feature widely different temporal coverage and resolution, ranging from decadal-scale records covering the past 150 years to records with multi-millennial-scale resolution spanning glacial-interglacial cycles. The best coverage in number of records (NCombining double low line37) and data points (NCombining double low line2112) is available for Northern Hemispheric (NH) extratropical regions throughout the Holocene (roughly corresponding to Marine Isotope Stage 1; MIS 1). To address the different variabilities and temporal offsets, records were brought to a common temporal resolution by binning and subsequently filtered for hydrologically open lakes with lake water residence times 〈100 years. For mid- to high-latitude (〉45°N) lakes, we find common δ18OBSi patterns among the lake records during both the Holocene and Common Era (CE). These include maxima and minima corresponding to known climate episodes, such as the Holocene Thermal Maximum (HTM), Neoglacial Cooling, Medieval Climate Anomaly (MCA) and the Little Ice Age (LIA). These patterns are in line with long-term air temperature changes supported by previously published climate reconstructions from other archives, as well as Holocene summer insolation changes. In conclusion, oxygen isotope records from NH extratropical lake sediments feature a common climate signal at centennial (for CE) and millennial (for Holocene) timescales despite stemming from different lakes in different geographic locations and hence constitute a valuable proxy for past climate reconstructions.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
    Format: application/pdf
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