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Oceanographic changes through the last millennium off North Iceland: temperature and salinity reconstructions based on foraminifera and stable isotopes (2019)

Knudsen, Karen Luise ; Eiriksson, Jón ; Bartels-Jonsdottir, Helga B

PANGAEA

In: Supplement to: Knudsen, Karen Luise; Eiriksson, Jón; Bartels-Jonsdottir, Helga B (2012): Oceanographic changes through the last millennium off North Iceland: Temperature and salinity reconstructions based on foraminifera and stable isotopes. Marine Micropaleontology, 84-85, 54-73, https://doi.org/10.1016/j.marmicro.2011.11.002

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Publikationsdatum: 2024-07-11

Beschreibung: Temperature and salinity reconstructions for two 1000-year high-resolution sedimentary records, located at the boundary between Atlantic and Arctic surface waters on the North Icelandic shelf, are based on transfer functions and oxygen isotopes for planktonic and benthic foraminifera. There is a general increase of Arctic Water indicator species at the transition from the Medieval Warm Period into the Little Ice Age (LIA) and a subsequent return of Atlantic Water indicator species towards the end of the LIA and in the 20th century. The timing of the reconstructed temperature changes, both at the beginning and at the end of the LIA, appears to be slightly different for the different water masses. The earliest temperature change is seen in the bottom and subsurface waters, where a cooling is reconstructed as early as AD 1150-1200 at both locations, whereas previously published diatom-based and alkenone-based sea-surface temperature reconstructions show a change at AD 1300, coinciding with the air temperature shift in the area. Our results show the need of a thorough understanding of the oceanography in the study area, as well as the different living habitat for the biological proxies used for the temperature estimates.

Schlagwort(e): Benthic and planktonic foraminifera; Last millennium; North Icelandic shelf; Stable isotopes

Materialart: Dataset

Format: application/zip, 10 datasets

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Mg/Ca ratios and SST reconstruction for sediment core MV99_GC41 (2019)

Marchitto, Thomas M ; Muscheler, Raimund ; Ortiz, Joseph D ; [weitere]

PANGAEA

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Publikationsdatum: 2024-07-11

Schlagwort(e): AGE; DEPTH, sediment/rock; Event label; GC; Globigerina bulloides, Magnesium/Calcium ratio; Gravity corer; Inductively coupled plasma - mass spectrometry (ICP-MS); MV99_GC41; MV99_PC14; North Pacific; Sea surface temperature, annual mean; SST from Mg/Ca ratios

Materialart: Dataset

Format: text/tab-separated-values, 866 data points

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Planktic and benthic foraminifera 14C from the Gulf of California (2019)

Rafter, Patrick A

PANGAEA

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Publikationsdatum: 2024-07-11

Beschreibung: Planktic and benthic foraminifera 14C measurements, published in Rafter et al. (2019) in GRL. These are a companion dataset to the benthic foraminifera 14C measurements published by Rafter et al. (2018) in Climate of the Past.

Schlagwort(e): 14C; Age, dated; Age, dated material; Age, dated standard deviation; AOM; Calendar age; Calendar age, standard error; Core; CORE; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Foraminifera; Globigerina bulloides; Gulf of California; Habitat; hydrothermal; Laboratory code/label; LPAZ-21P; Pacific; planktic; planktonic; radiocarbon; volcanism; Δ14C; Δ14C, standard deviation

Materialart: Dataset

Format: text/tab-separated-values, 759 data points

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Compilation of high-resolution Holocene Mg/Ca and Uk37 SST reconstructions (2019)

Laepple, Thomas

PANGAEA

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Publikationsdatum: 2024-07-11

Beschreibung: This dataset contains the collection of published Uk'37, Uk37 and Mg/Ca records spanning the mid-to late Holocene and used in the analyses of Laepple&Huybers, EPSL 2014 and Laepple&Huybers, PNAS 2014. It is largely based on Leduc et al. (2010).

Schlagwort(e): 108-658C; 167-1019C; 175-1084B; 225514; 225517; 408US; A-7; Alboran Sea; Arabian Sea; AWI_ECUS; AWI_SPACE; Benguela Current, South Atlantic Ocean; CALYPSO; Calypso Corer; Canarias Sea; Cape Hateras; CD159-12; CH07-98-GGC19; CHIPAL; COMPCORE; Composite Core; D13882; D249; Discovery (1962); DRILL; Drilling/drill rig; Estimating climate variability by quantifying proxy uncertainty and synthesizing information across archives @ AWI; Event label; GC; GeoB3313-1; GeoB5901-2; GeoB6007-2; Giant piston corer; GINCO 3; GPC; Gravity corer; Gravity corer (Kiel type); Holocene climate variability; IMAGES I; IMAGES III - IPHIS; IMAGES IV-IPHIS III; IMAGES V; IMAGES VII - WEPAMA; Indonesia; IOW225514; IOW225517; James Clark Ross; Joides Resolution; JR20000727; JR51; JR51GC-35; KL; KR02-06A_GCC; Kurilen Trench; Leg108; Leg167; Leg175; M45/1; M45/5a; Marion Dufresne (1995); MD012378; MD01-2378; MD012412; MD01-2412; MD03-2707; MD101; MD106; MD111; MD114; MD122; MD952011; MD95-2011; MD952015; MD95-2015; MD952043; MD95-2043; MD972151; MD97-2151; MD982176; MD98-2176; MD982181; MD98-2181; MD99-2203; MD99-2251; Meteor (1986); MgCa; MV99_GC41_PC14; North Pacific; North Pacific Ocean; Northwest Pacific; OCE326-GGC26; OCE326-GGC30; PAKOMIN; PC; Piston corer; Piston corer (BGR type); Portuguese Margin; Proxy; RAPID-12-1K; Reference/source; Reykjanes Ridge; Rockall; SL; SO102/1; SO139; SO139-74KL; SO90; SO90_39KG_56KA; Sonne; South China Sea; South-East Pacific; Space-time structure of climate change @ AWI; SSDP102; Timor Sea; UK37; Uniform resource locator/link to source data file; Voring Plateau

Materialart: Dataset

Format: text/tab-separated-values, 93 data points

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Glacier mass balance Hallstätter Gletscher, Dachstein, Austria, 2017/2018 (2019)

Helfricht, Kay ; Reingruber, Klaus ; Stocker-Waldhuber, Martin ; [weitere]

PANGAEA

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Publikationsdatum: 2024-07-11

Schlagwort(e): Ablation area; Accumulation area; Accumulation area ratio; DATE/TIME; Equilibrium line altitude; Glaciers Austria; Hallstätter Gletscher, Dachstein, Austria; HSG; Mass balance, total; Mass balance in ablation area; Mass balance in accumulation area; Specific mass balance; Specific mass balance, summer; Specific mass balance, winter; Specific mass balance in the ablation area; Specific mass balance in the accumulation area; Total area

Materialart: Dataset

Format: text/tab-separated-values, 13 data points

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Elevation zones Hallstätter Gletscher, Dachstein, Austria, 2017/2018 (2019)

Helfricht, Kay ; Reingruber, Klaus ; Stocker-Waldhuber, Martin ; [weitere]

PANGAEA

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Publikationsdatum: 2024-07-11

Schlagwort(e): DATE/TIME; Elevation, maximum; Elevation, minimum; Glaciers Austria; Hallstätter Gletscher, Dachstein, Austria; HSG; Mass balance, total of the altitude zone; Specific mass balance of the altitude zone; Specific mass balance of the altitude zone, summer; Specific mass balance of the altitude zone, winter; Total area of the altitude zone

Materialart: Dataset

Format: text/tab-separated-values, 98 data points

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7

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Stable oxygen isotope record of Neogloboquadrina pachyderma sinistral of sediment composite core MD99-2275_B05-2006-MC04B (2019)

Knudsen, Karen Luise ; Eiriksson, Jón ; Bartels-Jonsdottir, Helga B

PANGAEA

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Publikationsdatum: 2024-07-11

Schlagwort(e): AGE; Benthic and planktonic foraminifera; COMPCORE; Composite Core; DEPTH, sediment/rock; Last millennium; Mass spectrometer Finnigan MAT 251; MD99-2275_B05-2006-MC04B; Neogloboquadrina pachyderma sinistral, δ18O; North Icelandic shelf; Skjalfandadjup; Stable isotopes

Materialart: Dataset

Format: text/tab-separated-values, 321 data points

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Abundances of Neogloboquadrina pachyderma sinistral in sediment composite core MD99-2275_B05-2006-MC04B (2019)

Knudsen, Karen Luise ; Eiriksson, Jón ; Bartels-Jonsdottir, Helga B

PANGAEA

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Publikationsdatum: 2024-07-11

Schlagwort(e): AGE; Benthic and planktonic foraminifera; COMPCORE; Composite Core; Counting 125-1000 µm fraction; Last millennium; MD99-2275_B05-2006-MC04B; Neogloboquadrina pachyderma sinistral; North Icelandic shelf; Skjalfandadjup; Stable isotopes

Materialart: Dataset

Format: text/tab-separated-values, 286 data points

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Stable isotope record of Neogloboquadrina pachyderma sinistral of sediment composite core MD99-2273_BO5-2006-MC03B (2019)

Knudsen, Karen Luise ; Eiriksson, Jón ; Bartels-Jonsdottir, Helga B

PANGAEA

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Publikationsdatum: 2024-07-11

Schlagwort(e): AGE; Benthic and planktonic foraminifera; COMPCORE; Composite Core; DEPTH, sediment/rock; Last millennium; Mass spectrometer Finnigan MAT 251; MD99-2273_BO5-2006-MC03B; N. Iceland shelf, Eyjafjardarall; Neogloboquadrina pachyderma sinistral, δ13C; Neogloboquadrina pachyderma sinistral, δ18O; North Icelandic shelf; Stable isotopes

Materialart: Dataset

Format: text/tab-separated-values, 474 data points

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Stable oxygen isotope record of Islandiella norcrossi of sediment composite core MD99-2275_B05-2006-MC04B (2019)

Knudsen, Karen Luise ; Eiriksson, Jón ; Bartels-Jonsdottir, Helga B

PANGAEA

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Publikationsdatum: 2024-07-11

Schlagwort(e): AGE; Benthic and planktonic foraminifera; COMPCORE; Composite Core; DEPTH, sediment/rock; Islandiella norcrossi, δ18O; Last millennium; Mass spectrometer Finnigan MAT 251; MD99-2275_B05-2006-MC04B; North Icelandic shelf; Skjalfandadjup; Stable isotopes

Materialart: Dataset

Format: text/tab-separated-values, 364 data points

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