Variations of heat availability in the Western Caucasus in the past 1500 years inferred from a high-resolution record of bromine in the sediment of Lake Karakel
The Caucasus region lacks climate-sensitive chronologies that are continuous, high-resolution and covering more than several centuries at the same time. This paper presents the first high-resolution curve reflecting the variations of heat availability in the Western Caucasus over the past 1500 years...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Alexandrin, Mikhail Y. [verfasserIn] Solomina, Olga N. [verfasserIn] Darin, Andrei V. [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2023 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Quaternary international - Amsterdam [u.a.] : Elsevier Science, 1989, 664, Seite 20-32 |
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| Übergeordnetes Werk: |
volume:664 ; pages:20-32 |
| DOI / URN: |
10.1016/j.quaint.2023.05.020 |
|---|
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ELV060262494 |
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| 100 | 1 | |a Alexandrin, Mikhail Y. |e verfasserin |0 (orcid)0000-0002-4064-6979 |4 aut | |
| 245 | 1 | 0 | |a Variations of heat availability in the Western Caucasus in the past 1500 years inferred from a high-resolution record of bromine in the sediment of Lake Karakel |
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| 520 | |a The Caucasus region lacks climate-sensitive chronologies that are continuous, high-resolution and covering more than several centuries at the same time. This paper presents the first high-resolution curve reflecting the variations of heat availability in the Western Caucasus over the past 1500 years. The chronology of bottom sediment of Lake Karakel is based on the two precisely overlapped sediment cores, constrained by ten 14C dates with a temporal resolution of around 3 years. Bromine content in the sediment is interpreted as a proxy for variations of heat availability based on its coherence with the broadleaved tree pollen content in the same deposits. Lake Karakel Br curve showed distinct agreement with hemispheric and regional temperature reconstructions starting from 500 CE, as well as with the tree-ring temperature reconstructions available for the Caucasus. It allowed a constraint of the time frames for the main climatic events in the Western Caucasus during the past 1500 years: Medieval Climate Anomaly (ca. 960–1270 CE) and Little Ice Age with its three separate stages (LIA 1 ca. 1270–1310 and 1370–1410; LIA 2 ca. 1500–1630; LIA 3 ca. 1750–1840). Br-derived variations of heat availability are also supported by the recent cosmogenic glacier moraine dates in the Caucasus. | ||
| 650 | 4 | |a Climate reconstructions | |
| 650 | 4 | |a SR XRF analysis | |
| 650 | 4 | |a Lake sediments | |
| 650 | 4 | |a Bromine | |
| 650 | 4 | |a Heat availability | |
| 650 | 4 | |a Western caucasus | |
| 700 | 1 | |a Solomina, Olga N. |e verfasserin |0 (orcid)0000-0002-3307-1951 |4 aut | |
| 700 | 1 | |a Darin, Andrei V. |e verfasserin |0 (orcid)0000-0001-5966-4838 |4 aut | |
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10.1016/j.quaint.2023.05.020 doi (DE-627)ELV060262494 (ELSEVIER)S1040-6182(23)00194-5 DE-627 ger DE-627 rda eng 550 VZ 38.15 bkl Alexandrin, Mikhail Y. verfasserin (orcid)0000-0002-4064-6979 aut Variations of heat availability in the Western Caucasus in the past 1500 years inferred from a high-resolution record of bromine in the sediment of Lake Karakel 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The Caucasus region lacks climate-sensitive chronologies that are continuous, high-resolution and covering more than several centuries at the same time. This paper presents the first high-resolution curve reflecting the variations of heat availability in the Western Caucasus over the past 1500 years. The chronology of bottom sediment of Lake Karakel is based on the two precisely overlapped sediment cores, constrained by ten 14C dates with a temporal resolution of around 3 years. Bromine content in the sediment is interpreted as a proxy for variations of heat availability based on its coherence with the broadleaved tree pollen content in the same deposits. Lake Karakel Br curve showed distinct agreement with hemispheric and regional temperature reconstructions starting from 500 CE, as well as with the tree-ring temperature reconstructions available for the Caucasus. It allowed a constraint of the time frames for the main climatic events in the Western Caucasus during the past 1500 years: Medieval Climate Anomaly (ca. 960–1270 CE) and Little Ice Age with its three separate stages (LIA 1 ca. 1270–1310 and 1370–1410; LIA 2 ca. 1500–1630; LIA 3 ca. 1750–1840). Br-derived variations of heat availability are also supported by the recent cosmogenic glacier moraine dates in the Caucasus. Climate reconstructions SR XRF analysis Lake sediments Bromine Heat availability Western caucasus Solomina, Olga N. verfasserin (orcid)0000-0002-3307-1951 aut Darin, Andrei V. verfasserin (orcid)0000-0001-5966-4838 aut Enthalten in Quaternary international Amsterdam [u.a.] : Elsevier Science, 1989 664, Seite 20-32 Online-Ressource (DE-627)32041759X (DE-600)2002133-1 (DE-576)099878984 1040-6182 nnns volume:664 pages:20-32 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OPC-GGO GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.15 Historische Geologie: Allgemeines VZ AR 664 20-32 |
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10.1016/j.quaint.2023.05.020 doi (DE-627)ELV060262494 (ELSEVIER)S1040-6182(23)00194-5 DE-627 ger DE-627 rda eng 550 VZ 38.15 bkl Alexandrin, Mikhail Y. verfasserin (orcid)0000-0002-4064-6979 aut Variations of heat availability in the Western Caucasus in the past 1500 years inferred from a high-resolution record of bromine in the sediment of Lake Karakel 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The Caucasus region lacks climate-sensitive chronologies that are continuous, high-resolution and covering more than several centuries at the same time. This paper presents the first high-resolution curve reflecting the variations of heat availability in the Western Caucasus over the past 1500 years. The chronology of bottom sediment of Lake Karakel is based on the two precisely overlapped sediment cores, constrained by ten 14C dates with a temporal resolution of around 3 years. Bromine content in the sediment is interpreted as a proxy for variations of heat availability based on its coherence with the broadleaved tree pollen content in the same deposits. Lake Karakel Br curve showed distinct agreement with hemispheric and regional temperature reconstructions starting from 500 CE, as well as with the tree-ring temperature reconstructions available for the Caucasus. It allowed a constraint of the time frames for the main climatic events in the Western Caucasus during the past 1500 years: Medieval Climate Anomaly (ca. 960–1270 CE) and Little Ice Age with its three separate stages (LIA 1 ca. 1270–1310 and 1370–1410; LIA 2 ca. 1500–1630; LIA 3 ca. 1750–1840). Br-derived variations of heat availability are also supported by the recent cosmogenic glacier moraine dates in the Caucasus. Climate reconstructions SR XRF analysis Lake sediments Bromine Heat availability Western caucasus Solomina, Olga N. verfasserin (orcid)0000-0002-3307-1951 aut Darin, Andrei V. verfasserin (orcid)0000-0001-5966-4838 aut Enthalten in Quaternary international Amsterdam [u.a.] : Elsevier Science, 1989 664, Seite 20-32 Online-Ressource (DE-627)32041759X (DE-600)2002133-1 (DE-576)099878984 1040-6182 nnns volume:664 pages:20-32 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OPC-GGO GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.15 Historische Geologie: Allgemeines VZ AR 664 20-32 |
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10.1016/j.quaint.2023.05.020 doi (DE-627)ELV060262494 (ELSEVIER)S1040-6182(23)00194-5 DE-627 ger DE-627 rda eng 550 VZ 38.15 bkl Alexandrin, Mikhail Y. verfasserin (orcid)0000-0002-4064-6979 aut Variations of heat availability in the Western Caucasus in the past 1500 years inferred from a high-resolution record of bromine in the sediment of Lake Karakel 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The Caucasus region lacks climate-sensitive chronologies that are continuous, high-resolution and covering more than several centuries at the same time. This paper presents the first high-resolution curve reflecting the variations of heat availability in the Western Caucasus over the past 1500 years. The chronology of bottom sediment of Lake Karakel is based on the two precisely overlapped sediment cores, constrained by ten 14C dates with a temporal resolution of around 3 years. Bromine content in the sediment is interpreted as a proxy for variations of heat availability based on its coherence with the broadleaved tree pollen content in the same deposits. Lake Karakel Br curve showed distinct agreement with hemispheric and regional temperature reconstructions starting from 500 CE, as well as with the tree-ring temperature reconstructions available for the Caucasus. It allowed a constraint of the time frames for the main climatic events in the Western Caucasus during the past 1500 years: Medieval Climate Anomaly (ca. 960–1270 CE) and Little Ice Age with its three separate stages (LIA 1 ca. 1270–1310 and 1370–1410; LIA 2 ca. 1500–1630; LIA 3 ca. 1750–1840). Br-derived variations of heat availability are also supported by the recent cosmogenic glacier moraine dates in the Caucasus. Climate reconstructions SR XRF analysis Lake sediments Bromine Heat availability Western caucasus Solomina, Olga N. verfasserin (orcid)0000-0002-3307-1951 aut Darin, Andrei V. verfasserin (orcid)0000-0001-5966-4838 aut Enthalten in Quaternary international Amsterdam [u.a.] : Elsevier Science, 1989 664, Seite 20-32 Online-Ressource (DE-627)32041759X (DE-600)2002133-1 (DE-576)099878984 1040-6182 nnns volume:664 pages:20-32 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OPC-GGO GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.15 Historische Geologie: Allgemeines VZ AR 664 20-32 |
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10.1016/j.quaint.2023.05.020 doi (DE-627)ELV060262494 (ELSEVIER)S1040-6182(23)00194-5 DE-627 ger DE-627 rda eng 550 VZ 38.15 bkl Alexandrin, Mikhail Y. verfasserin (orcid)0000-0002-4064-6979 aut Variations of heat availability in the Western Caucasus in the past 1500 years inferred from a high-resolution record of bromine in the sediment of Lake Karakel 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The Caucasus region lacks climate-sensitive chronologies that are continuous, high-resolution and covering more than several centuries at the same time. This paper presents the first high-resolution curve reflecting the variations of heat availability in the Western Caucasus over the past 1500 years. The chronology of bottom sediment of Lake Karakel is based on the two precisely overlapped sediment cores, constrained by ten 14C dates with a temporal resolution of around 3 years. Bromine content in the sediment is interpreted as a proxy for variations of heat availability based on its coherence with the broadleaved tree pollen content in the same deposits. Lake Karakel Br curve showed distinct agreement with hemispheric and regional temperature reconstructions starting from 500 CE, as well as with the tree-ring temperature reconstructions available for the Caucasus. It allowed a constraint of the time frames for the main climatic events in the Western Caucasus during the past 1500 years: Medieval Climate Anomaly (ca. 960–1270 CE) and Little Ice Age with its three separate stages (LIA 1 ca. 1270–1310 and 1370–1410; LIA 2 ca. 1500–1630; LIA 3 ca. 1750–1840). Br-derived variations of heat availability are also supported by the recent cosmogenic glacier moraine dates in the Caucasus. Climate reconstructions SR XRF analysis Lake sediments Bromine Heat availability Western caucasus Solomina, Olga N. verfasserin (orcid)0000-0002-3307-1951 aut Darin, Andrei V. verfasserin (orcid)0000-0001-5966-4838 aut Enthalten in Quaternary international Amsterdam [u.a.] : Elsevier Science, 1989 664, Seite 20-32 Online-Ressource (DE-627)32041759X (DE-600)2002133-1 (DE-576)099878984 1040-6182 nnns volume:664 pages:20-32 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OPC-GGO GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.15 Historische Geologie: Allgemeines VZ AR 664 20-32 |
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10.1016/j.quaint.2023.05.020 doi (DE-627)ELV060262494 (ELSEVIER)S1040-6182(23)00194-5 DE-627 ger DE-627 rda eng 550 VZ 38.15 bkl Alexandrin, Mikhail Y. verfasserin (orcid)0000-0002-4064-6979 aut Variations of heat availability in the Western Caucasus in the past 1500 years inferred from a high-resolution record of bromine in the sediment of Lake Karakel 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The Caucasus region lacks climate-sensitive chronologies that are continuous, high-resolution and covering more than several centuries at the same time. This paper presents the first high-resolution curve reflecting the variations of heat availability in the Western Caucasus over the past 1500 years. The chronology of bottom sediment of Lake Karakel is based on the two precisely overlapped sediment cores, constrained by ten 14C dates with a temporal resolution of around 3 years. Bromine content in the sediment is interpreted as a proxy for variations of heat availability based on its coherence with the broadleaved tree pollen content in the same deposits. Lake Karakel Br curve showed distinct agreement with hemispheric and regional temperature reconstructions starting from 500 CE, as well as with the tree-ring temperature reconstructions available for the Caucasus. It allowed a constraint of the time frames for the main climatic events in the Western Caucasus during the past 1500 years: Medieval Climate Anomaly (ca. 960–1270 CE) and Little Ice Age with its three separate stages (LIA 1 ca. 1270–1310 and 1370–1410; LIA 2 ca. 1500–1630; LIA 3 ca. 1750–1840). Br-derived variations of heat availability are also supported by the recent cosmogenic glacier moraine dates in the Caucasus. Climate reconstructions SR XRF analysis Lake sediments Bromine Heat availability Western caucasus Solomina, Olga N. verfasserin (orcid)0000-0002-3307-1951 aut Darin, Andrei V. verfasserin (orcid)0000-0001-5966-4838 aut Enthalten in Quaternary international Amsterdam [u.a.] : Elsevier Science, 1989 664, Seite 20-32 Online-Ressource (DE-627)32041759X (DE-600)2002133-1 (DE-576)099878984 1040-6182 nnns volume:664 pages:20-32 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OPC-GGO GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.15 Historische Geologie: Allgemeines VZ AR 664 20-32 |
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Climate reconstructions SR XRF analysis Lake sediments Bromine Heat availability Western caucasus |
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Alexandrin, Mikhail Y. @@aut@@ Solomina, Olga N. @@aut@@ Darin, Andrei V. @@aut@@ |
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Alexandrin, Mikhail Y. |
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Alexandrin, Mikhail Y. ddc 550 bkl 38.15 misc Climate reconstructions misc SR XRF analysis misc Lake sediments misc Bromine misc Heat availability misc Western caucasus Variations of heat availability in the Western Caucasus in the past 1500 years inferred from a high-resolution record of bromine in the sediment of Lake Karakel |
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550 VZ 38.15 bkl Variations of heat availability in the Western Caucasus in the past 1500 years inferred from a high-resolution record of bromine in the sediment of Lake Karakel Climate reconstructions SR XRF analysis Lake sediments Bromine Heat availability Western caucasus |
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ddc 550 bkl 38.15 misc Climate reconstructions misc SR XRF analysis misc Lake sediments misc Bromine misc Heat availability misc Western caucasus |
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Variations of heat availability in the Western Caucasus in the past 1500 years inferred from a high-resolution record of bromine in the sediment of Lake Karakel |
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Variations of heat availability in the Western Caucasus in the past 1500 years inferred from a high-resolution record of bromine in the sediment of Lake Karakel |
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Alexandrin, Mikhail Y. Solomina, Olga N. Darin, Andrei V. |
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variations of heat availability in the western caucasus in the past 1500 years inferred from a high-resolution record of bromine in the sediment of lake karakel |
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Variations of heat availability in the Western Caucasus in the past 1500 years inferred from a high-resolution record of bromine in the sediment of Lake Karakel |
| abstract |
The Caucasus region lacks climate-sensitive chronologies that are continuous, high-resolution and covering more than several centuries at the same time. This paper presents the first high-resolution curve reflecting the variations of heat availability in the Western Caucasus over the past 1500 years. The chronology of bottom sediment of Lake Karakel is based on the two precisely overlapped sediment cores, constrained by ten 14C dates with a temporal resolution of around 3 years. Bromine content in the sediment is interpreted as a proxy for variations of heat availability based on its coherence with the broadleaved tree pollen content in the same deposits. Lake Karakel Br curve showed distinct agreement with hemispheric and regional temperature reconstructions starting from 500 CE, as well as with the tree-ring temperature reconstructions available for the Caucasus. It allowed a constraint of the time frames for the main climatic events in the Western Caucasus during the past 1500 years: Medieval Climate Anomaly (ca. 960–1270 CE) and Little Ice Age with its three separate stages (LIA 1 ca. 1270–1310 and 1370–1410; LIA 2 ca. 1500–1630; LIA 3 ca. 1750–1840). Br-derived variations of heat availability are also supported by the recent cosmogenic glacier moraine dates in the Caucasus. |
| abstractGer |
The Caucasus region lacks climate-sensitive chronologies that are continuous, high-resolution and covering more than several centuries at the same time. This paper presents the first high-resolution curve reflecting the variations of heat availability in the Western Caucasus over the past 1500 years. The chronology of bottom sediment of Lake Karakel is based on the two precisely overlapped sediment cores, constrained by ten 14C dates with a temporal resolution of around 3 years. Bromine content in the sediment is interpreted as a proxy for variations of heat availability based on its coherence with the broadleaved tree pollen content in the same deposits. Lake Karakel Br curve showed distinct agreement with hemispheric and regional temperature reconstructions starting from 500 CE, as well as with the tree-ring temperature reconstructions available for the Caucasus. It allowed a constraint of the time frames for the main climatic events in the Western Caucasus during the past 1500 years: Medieval Climate Anomaly (ca. 960–1270 CE) and Little Ice Age with its three separate stages (LIA 1 ca. 1270–1310 and 1370–1410; LIA 2 ca. 1500–1630; LIA 3 ca. 1750–1840). Br-derived variations of heat availability are also supported by the recent cosmogenic glacier moraine dates in the Caucasus. |
| abstract_unstemmed |
The Caucasus region lacks climate-sensitive chronologies that are continuous, high-resolution and covering more than several centuries at the same time. This paper presents the first high-resolution curve reflecting the variations of heat availability in the Western Caucasus over the past 1500 years. The chronology of bottom sediment of Lake Karakel is based on the two precisely overlapped sediment cores, constrained by ten 14C dates with a temporal resolution of around 3 years. Bromine content in the sediment is interpreted as a proxy for variations of heat availability based on its coherence with the broadleaved tree pollen content in the same deposits. Lake Karakel Br curve showed distinct agreement with hemispheric and regional temperature reconstructions starting from 500 CE, as well as with the tree-ring temperature reconstructions available for the Caucasus. It allowed a constraint of the time frames for the main climatic events in the Western Caucasus during the past 1500 years: Medieval Climate Anomaly (ca. 960–1270 CE) and Little Ice Age with its three separate stages (LIA 1 ca. 1270–1310 and 1370–1410; LIA 2 ca. 1500–1630; LIA 3 ca. 1750–1840). Br-derived variations of heat availability are also supported by the recent cosmogenic glacier moraine dates in the Caucasus. |
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Variations of heat availability in the Western Caucasus in the past 1500 years inferred from a high-resolution record of bromine in the sediment of Lake Karakel |
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|
| score |
7.402026 |