Elevated temperature IRSL dating of loess sections in the East Eifel region of Germany
It has been shown that the infrared stimulated luminescence signals measured at elevated temperature after an IR stimulation at 50 °C (post-IR IRSL) are significantly more stable than the conventional IRSL at 50 °C (IR50). In this study a post-IR IRSL protocol using a second IR stimulation temperatu...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Schmidt, Esther D. [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2014transfer abstract |
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| Schlagwörter: |
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| Umfang: |
14 |
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| Übergeordnetes Werk: |
Enthalten in: Biocompatible and noncytotoxic nucleoside-based AIEgens sensor for lighting-up nucleic acids - Xiao, Qiuyun ELSEVIER, 2021, the journal of the International Union for Quaternary Research, Amsterdam [u.a.] |
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| Übergeordnetes Werk: |
volume:334 ; year:2014 ; day:17 ; month:06 ; pages:141-154 ; extent:14 |
| Links: |
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| DOI / URN: |
10.1016/j.quaint.2014.03.006 |
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ELV034116583 |
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| 245 | 1 | 0 | |a Elevated temperature IRSL dating of loess sections in the East Eifel region of Germany |
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| 520 | |a It has been shown that the infrared stimulated luminescence signals measured at elevated temperature after an IR stimulation at 50 °C (post-IR IRSL) are significantly more stable than the conventional IRSL at 50 °C (IR50). In this study a post-IR IRSL protocol using a second IR stimulation temperature of 290 °C (pIRIR290) was applied to 17 polymineral fine grain (4–11 μm) samples from various loess sections in the Eifel region (Wannenköpfe, Dachsbusch, Kärlich and Ariendorf) with independent age control to test the reliability of ages using the pIRIR290 signal. The laboratory-measured fading rates are below 1%/decade on average for the pIRIR290. Both IR50 and pIRIR290 signals of 9 samples were found to be in field saturation. The average ratio of the sensitivity-corrected natural signal to the laboratory saturation level for the pIRIR290 is 0.98 ± 0.02 (n = 9), showing that field saturation is equal to laboratory saturation for the pIRIR290 signal from polymineral fine grains from the Eifel region. Minimum equivalent dose estimates were calculated from the characteristic saturation dose of the dose response curves, giving minimum ages estimates of ∼230–420 ka, and suggesting that the pIRIR290 signal can be used to date loess to ∼300 ka. The pIRIR290 ages estimates of the samples from the Wannenköpfe and Dachsbusch sites are in good agreement with independent age control showing that the IRSL dating using pIRIR290 signal without fading correction is apparently reliable. Our data suggest that the loess units E, F, G and the lower part of H at the Kärlich site were accumulated >270 ka and that the palaeosol of the Kärlich Interglacial I most likely developed during marine isotope stage (MIS 9) or earlier. The pedocomplex on the top of Loess bed II at the Ariendorf section can be correlated with MIS 7. | ||
| 520 | |a It has been shown that the infrared stimulated luminescence signals measured at elevated temperature after an IR stimulation at 50 °C (post-IR IRSL) are significantly more stable than the conventional IRSL at 50 °C (IR50). In this study a post-IR IRSL protocol using a second IR stimulation temperature of 290 °C (pIRIR290) was applied to 17 polymineral fine grain (4–11 μm) samples from various loess sections in the Eifel region (Wannenköpfe, Dachsbusch, Kärlich and Ariendorf) with independent age control to test the reliability of ages using the pIRIR290 signal. The laboratory-measured fading rates are below 1%/decade on average for the pIRIR290. Both IR50 and pIRIR290 signals of 9 samples were found to be in field saturation. The average ratio of the sensitivity-corrected natural signal to the laboratory saturation level for the pIRIR290 is 0.98 ± 0.02 (n = 9), showing that field saturation is equal to laboratory saturation for the pIRIR290 signal from polymineral fine grains from the Eifel region. Minimum equivalent dose estimates were calculated from the characteristic saturation dose of the dose response curves, giving minimum ages estimates of ∼230–420 ka, and suggesting that the pIRIR290 signal can be used to date loess to ∼300 ka. The pIRIR290 ages estimates of the samples from the Wannenköpfe and Dachsbusch sites are in good agreement with independent age control showing that the IRSL dating using pIRIR290 signal without fading correction is apparently reliable. Our data suggest that the loess units E, F, G and the lower part of H at the Kärlich site were accumulated >270 ka and that the palaeosol of the Kärlich Interglacial I most likely developed during marine isotope stage (MIS 9) or earlier. The pedocomplex on the top of Loess bed II at the Ariendorf section can be correlated with MIS 7. | ||
| 650 | 7 | |a Loess |2 Elsevier | |
| 650 | 7 | |a Eifel volcanism |2 Elsevier | |
| 650 | 7 | |a Post-IR IRSL dating |2 Elsevier | |
| 650 | 7 | |a Germany |2 Elsevier | |
| 700 | 1 | |a Tsukamoto, Sumiko |4 oth | |
| 700 | 1 | |a Frechen, Manfred |4 oth | |
| 700 | 1 | |a Murray, Andrew S. |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier Science |a Xiao, Qiuyun ELSEVIER |t Biocompatible and noncytotoxic nucleoside-based AIEgens sensor for lighting-up nucleic acids |d 2021 |d the journal of the International Union for Quaternary Research |g Amsterdam [u.a.] |w (DE-627)ELV005958261 |
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10.1016/j.quaint.2014.03.006 doi GBVA2014017000015.pica (DE-627)ELV034116583 (ELSEVIER)S1040-6182(14)00137-2 DE-627 ger DE-627 rakwb eng 550 550 DE-600 540 VZ 6,25 ssgn ASIEN DE-1a fid 35.00 bkl 35.04 bkl Schmidt, Esther D. verfasserin aut Elevated temperature IRSL dating of loess sections in the East Eifel region of Germany 2014transfer abstract 14 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier It has been shown that the infrared stimulated luminescence signals measured at elevated temperature after an IR stimulation at 50 °C (post-IR IRSL) are significantly more stable than the conventional IRSL at 50 °C (IR50). In this study a post-IR IRSL protocol using a second IR stimulation temperature of 290 °C (pIRIR290) was applied to 17 polymineral fine grain (4–11 μm) samples from various loess sections in the Eifel region (Wannenköpfe, Dachsbusch, Kärlich and Ariendorf) with independent age control to test the reliability of ages using the pIRIR290 signal. The laboratory-measured fading rates are below 1%/decade on average for the pIRIR290. Both IR50 and pIRIR290 signals of 9 samples were found to be in field saturation. The average ratio of the sensitivity-corrected natural signal to the laboratory saturation level for the pIRIR290 is 0.98 ± 0.02 (n = 9), showing that field saturation is equal to laboratory saturation for the pIRIR290 signal from polymineral fine grains from the Eifel region. Minimum equivalent dose estimates were calculated from the characteristic saturation dose of the dose response curves, giving minimum ages estimates of ∼230–420 ka, and suggesting that the pIRIR290 signal can be used to date loess to ∼300 ka. The pIRIR290 ages estimates of the samples from the Wannenköpfe and Dachsbusch sites are in good agreement with independent age control showing that the IRSL dating using pIRIR290 signal without fading correction is apparently reliable. Our data suggest that the loess units E, F, G and the lower part of H at the Kärlich site were accumulated >270 ka and that the palaeosol of the Kärlich Interglacial I most likely developed during marine isotope stage (MIS 9) or earlier. The pedocomplex on the top of Loess bed II at the Ariendorf section can be correlated with MIS 7. It has been shown that the infrared stimulated luminescence signals measured at elevated temperature after an IR stimulation at 50 °C (post-IR IRSL) are significantly more stable than the conventional IRSL at 50 °C (IR50). In this study a post-IR IRSL protocol using a second IR stimulation temperature of 290 °C (pIRIR290) was applied to 17 polymineral fine grain (4–11 μm) samples from various loess sections in the Eifel region (Wannenköpfe, Dachsbusch, Kärlich and Ariendorf) with independent age control to test the reliability of ages using the pIRIR290 signal. The laboratory-measured fading rates are below 1%/decade on average for the pIRIR290. Both IR50 and pIRIR290 signals of 9 samples were found to be in field saturation. The average ratio of the sensitivity-corrected natural signal to the laboratory saturation level for the pIRIR290 is 0.98 ± 0.02 (n = 9), showing that field saturation is equal to laboratory saturation for the pIRIR290 signal from polymineral fine grains from the Eifel region. Minimum equivalent dose estimates were calculated from the characteristic saturation dose of the dose response curves, giving minimum ages estimates of ∼230–420 ka, and suggesting that the pIRIR290 signal can be used to date loess to ∼300 ka. The pIRIR290 ages estimates of the samples from the Wannenköpfe and Dachsbusch sites are in good agreement with independent age control showing that the IRSL dating using pIRIR290 signal without fading correction is apparently reliable. Our data suggest that the loess units E, F, G and the lower part of H at the Kärlich site were accumulated >270 ka and that the palaeosol of the Kärlich Interglacial I most likely developed during marine isotope stage (MIS 9) or earlier. The pedocomplex on the top of Loess bed II at the Ariendorf section can be correlated with MIS 7. Loess Elsevier Eifel volcanism Elsevier Post-IR IRSL dating Elsevier Germany Elsevier Tsukamoto, Sumiko oth Frechen, Manfred oth Murray, Andrew S. oth Enthalten in Elsevier Science Xiao, Qiuyun ELSEVIER Biocompatible and noncytotoxic nucleoside-based AIEgens sensor for lighting-up nucleic acids 2021 the journal of the International Union for Quaternary Research Amsterdam [u.a.] (DE-627)ELV005958261 volume:334 year:2014 day:17 month:06 pages:141-154 extent:14 https://doi.org/10.1016/j.quaint.2014.03.006 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-ASIEN 35.00 Chemie: Allgemeines VZ 35.04 Ausbildung Beruf Organisationen Chemie VZ AR 334 2014 17 0617 141-154 14 045F 550 |
| spelling |
10.1016/j.quaint.2014.03.006 doi GBVA2014017000015.pica (DE-627)ELV034116583 (ELSEVIER)S1040-6182(14)00137-2 DE-627 ger DE-627 rakwb eng 550 550 DE-600 540 VZ 6,25 ssgn ASIEN DE-1a fid 35.00 bkl 35.04 bkl Schmidt, Esther D. verfasserin aut Elevated temperature IRSL dating of loess sections in the East Eifel region of Germany 2014transfer abstract 14 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier It has been shown that the infrared stimulated luminescence signals measured at elevated temperature after an IR stimulation at 50 °C (post-IR IRSL) are significantly more stable than the conventional IRSL at 50 °C (IR50). In this study a post-IR IRSL protocol using a second IR stimulation temperature of 290 °C (pIRIR290) was applied to 17 polymineral fine grain (4–11 μm) samples from various loess sections in the Eifel region (Wannenköpfe, Dachsbusch, Kärlich and Ariendorf) with independent age control to test the reliability of ages using the pIRIR290 signal. The laboratory-measured fading rates are below 1%/decade on average for the pIRIR290. Both IR50 and pIRIR290 signals of 9 samples were found to be in field saturation. The average ratio of the sensitivity-corrected natural signal to the laboratory saturation level for the pIRIR290 is 0.98 ± 0.02 (n = 9), showing that field saturation is equal to laboratory saturation for the pIRIR290 signal from polymineral fine grains from the Eifel region. Minimum equivalent dose estimates were calculated from the characteristic saturation dose of the dose response curves, giving minimum ages estimates of ∼230–420 ka, and suggesting that the pIRIR290 signal can be used to date loess to ∼300 ka. The pIRIR290 ages estimates of the samples from the Wannenköpfe and Dachsbusch sites are in good agreement with independent age control showing that the IRSL dating using pIRIR290 signal without fading correction is apparently reliable. Our data suggest that the loess units E, F, G and the lower part of H at the Kärlich site were accumulated >270 ka and that the palaeosol of the Kärlich Interglacial I most likely developed during marine isotope stage (MIS 9) or earlier. The pedocomplex on the top of Loess bed II at the Ariendorf section can be correlated with MIS 7. It has been shown that the infrared stimulated luminescence signals measured at elevated temperature after an IR stimulation at 50 °C (post-IR IRSL) are significantly more stable than the conventional IRSL at 50 °C (IR50). In this study a post-IR IRSL protocol using a second IR stimulation temperature of 290 °C (pIRIR290) was applied to 17 polymineral fine grain (4–11 μm) samples from various loess sections in the Eifel region (Wannenköpfe, Dachsbusch, Kärlich and Ariendorf) with independent age control to test the reliability of ages using the pIRIR290 signal. The laboratory-measured fading rates are below 1%/decade on average for the pIRIR290. Both IR50 and pIRIR290 signals of 9 samples were found to be in field saturation. The average ratio of the sensitivity-corrected natural signal to the laboratory saturation level for the pIRIR290 is 0.98 ± 0.02 (n = 9), showing that field saturation is equal to laboratory saturation for the pIRIR290 signal from polymineral fine grains from the Eifel region. Minimum equivalent dose estimates were calculated from the characteristic saturation dose of the dose response curves, giving minimum ages estimates of ∼230–420 ka, and suggesting that the pIRIR290 signal can be used to date loess to ∼300 ka. The pIRIR290 ages estimates of the samples from the Wannenköpfe and Dachsbusch sites are in good agreement with independent age control showing that the IRSL dating using pIRIR290 signal without fading correction is apparently reliable. Our data suggest that the loess units E, F, G and the lower part of H at the Kärlich site were accumulated >270 ka and that the palaeosol of the Kärlich Interglacial I most likely developed during marine isotope stage (MIS 9) or earlier. The pedocomplex on the top of Loess bed II at the Ariendorf section can be correlated with MIS 7. Loess Elsevier Eifel volcanism Elsevier Post-IR IRSL dating Elsevier Germany Elsevier Tsukamoto, Sumiko oth Frechen, Manfred oth Murray, Andrew S. oth Enthalten in Elsevier Science Xiao, Qiuyun ELSEVIER Biocompatible and noncytotoxic nucleoside-based AIEgens sensor for lighting-up nucleic acids 2021 the journal of the International Union for Quaternary Research Amsterdam [u.a.] (DE-627)ELV005958261 volume:334 year:2014 day:17 month:06 pages:141-154 extent:14 https://doi.org/10.1016/j.quaint.2014.03.006 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-ASIEN 35.00 Chemie: Allgemeines VZ 35.04 Ausbildung Beruf Organisationen Chemie VZ AR 334 2014 17 0617 141-154 14 045F 550 |
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10.1016/j.quaint.2014.03.006 doi GBVA2014017000015.pica (DE-627)ELV034116583 (ELSEVIER)S1040-6182(14)00137-2 DE-627 ger DE-627 rakwb eng 550 550 DE-600 540 VZ 6,25 ssgn ASIEN DE-1a fid 35.00 bkl 35.04 bkl Schmidt, Esther D. verfasserin aut Elevated temperature IRSL dating of loess sections in the East Eifel region of Germany 2014transfer abstract 14 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier It has been shown that the infrared stimulated luminescence signals measured at elevated temperature after an IR stimulation at 50 °C (post-IR IRSL) are significantly more stable than the conventional IRSL at 50 °C (IR50). In this study a post-IR IRSL protocol using a second IR stimulation temperature of 290 °C (pIRIR290) was applied to 17 polymineral fine grain (4–11 μm) samples from various loess sections in the Eifel region (Wannenköpfe, Dachsbusch, Kärlich and Ariendorf) with independent age control to test the reliability of ages using the pIRIR290 signal. The laboratory-measured fading rates are below 1%/decade on average for the pIRIR290. Both IR50 and pIRIR290 signals of 9 samples were found to be in field saturation. The average ratio of the sensitivity-corrected natural signal to the laboratory saturation level for the pIRIR290 is 0.98 ± 0.02 (n = 9), showing that field saturation is equal to laboratory saturation for the pIRIR290 signal from polymineral fine grains from the Eifel region. Minimum equivalent dose estimates were calculated from the characteristic saturation dose of the dose response curves, giving minimum ages estimates of ∼230–420 ka, and suggesting that the pIRIR290 signal can be used to date loess to ∼300 ka. The pIRIR290 ages estimates of the samples from the Wannenköpfe and Dachsbusch sites are in good agreement with independent age control showing that the IRSL dating using pIRIR290 signal without fading correction is apparently reliable. Our data suggest that the loess units E, F, G and the lower part of H at the Kärlich site were accumulated >270 ka and that the palaeosol of the Kärlich Interglacial I most likely developed during marine isotope stage (MIS 9) or earlier. The pedocomplex on the top of Loess bed II at the Ariendorf section can be correlated with MIS 7. It has been shown that the infrared stimulated luminescence signals measured at elevated temperature after an IR stimulation at 50 °C (post-IR IRSL) are significantly more stable than the conventional IRSL at 50 °C (IR50). In this study a post-IR IRSL protocol using a second IR stimulation temperature of 290 °C (pIRIR290) was applied to 17 polymineral fine grain (4–11 μm) samples from various loess sections in the Eifel region (Wannenköpfe, Dachsbusch, Kärlich and Ariendorf) with independent age control to test the reliability of ages using the pIRIR290 signal. The laboratory-measured fading rates are below 1%/decade on average for the pIRIR290. Both IR50 and pIRIR290 signals of 9 samples were found to be in field saturation. The average ratio of the sensitivity-corrected natural signal to the laboratory saturation level for the pIRIR290 is 0.98 ± 0.02 (n = 9), showing that field saturation is equal to laboratory saturation for the pIRIR290 signal from polymineral fine grains from the Eifel region. Minimum equivalent dose estimates were calculated from the characteristic saturation dose of the dose response curves, giving minimum ages estimates of ∼230–420 ka, and suggesting that the pIRIR290 signal can be used to date loess to ∼300 ka. The pIRIR290 ages estimates of the samples from the Wannenköpfe and Dachsbusch sites are in good agreement with independent age control showing that the IRSL dating using pIRIR290 signal without fading correction is apparently reliable. Our data suggest that the loess units E, F, G and the lower part of H at the Kärlich site were accumulated >270 ka and that the palaeosol of the Kärlich Interglacial I most likely developed during marine isotope stage (MIS 9) or earlier. The pedocomplex on the top of Loess bed II at the Ariendorf section can be correlated with MIS 7. Loess Elsevier Eifel volcanism Elsevier Post-IR IRSL dating Elsevier Germany Elsevier Tsukamoto, Sumiko oth Frechen, Manfred oth Murray, Andrew S. oth Enthalten in Elsevier Science Xiao, Qiuyun ELSEVIER Biocompatible and noncytotoxic nucleoside-based AIEgens sensor for lighting-up nucleic acids 2021 the journal of the International Union for Quaternary Research Amsterdam [u.a.] (DE-627)ELV005958261 volume:334 year:2014 day:17 month:06 pages:141-154 extent:14 https://doi.org/10.1016/j.quaint.2014.03.006 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-ASIEN 35.00 Chemie: Allgemeines VZ 35.04 Ausbildung Beruf Organisationen Chemie VZ AR 334 2014 17 0617 141-154 14 045F 550 |
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10.1016/j.quaint.2014.03.006 doi GBVA2014017000015.pica (DE-627)ELV034116583 (ELSEVIER)S1040-6182(14)00137-2 DE-627 ger DE-627 rakwb eng 550 550 DE-600 540 VZ 6,25 ssgn ASIEN DE-1a fid 35.00 bkl 35.04 bkl Schmidt, Esther D. verfasserin aut Elevated temperature IRSL dating of loess sections in the East Eifel region of Germany 2014transfer abstract 14 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier It has been shown that the infrared stimulated luminescence signals measured at elevated temperature after an IR stimulation at 50 °C (post-IR IRSL) are significantly more stable than the conventional IRSL at 50 °C (IR50). In this study a post-IR IRSL protocol using a second IR stimulation temperature of 290 °C (pIRIR290) was applied to 17 polymineral fine grain (4–11 μm) samples from various loess sections in the Eifel region (Wannenköpfe, Dachsbusch, Kärlich and Ariendorf) with independent age control to test the reliability of ages using the pIRIR290 signal. The laboratory-measured fading rates are below 1%/decade on average for the pIRIR290. Both IR50 and pIRIR290 signals of 9 samples were found to be in field saturation. The average ratio of the sensitivity-corrected natural signal to the laboratory saturation level for the pIRIR290 is 0.98 ± 0.02 (n = 9), showing that field saturation is equal to laboratory saturation for the pIRIR290 signal from polymineral fine grains from the Eifel region. Minimum equivalent dose estimates were calculated from the characteristic saturation dose of the dose response curves, giving minimum ages estimates of ∼230–420 ka, and suggesting that the pIRIR290 signal can be used to date loess to ∼300 ka. The pIRIR290 ages estimates of the samples from the Wannenköpfe and Dachsbusch sites are in good agreement with independent age control showing that the IRSL dating using pIRIR290 signal without fading correction is apparently reliable. Our data suggest that the loess units E, F, G and the lower part of H at the Kärlich site were accumulated >270 ka and that the palaeosol of the Kärlich Interglacial I most likely developed during marine isotope stage (MIS 9) or earlier. The pedocomplex on the top of Loess bed II at the Ariendorf section can be correlated with MIS 7. It has been shown that the infrared stimulated luminescence signals measured at elevated temperature after an IR stimulation at 50 °C (post-IR IRSL) are significantly more stable than the conventional IRSL at 50 °C (IR50). In this study a post-IR IRSL protocol using a second IR stimulation temperature of 290 °C (pIRIR290) was applied to 17 polymineral fine grain (4–11 μm) samples from various loess sections in the Eifel region (Wannenköpfe, Dachsbusch, Kärlich and Ariendorf) with independent age control to test the reliability of ages using the pIRIR290 signal. The laboratory-measured fading rates are below 1%/decade on average for the pIRIR290. Both IR50 and pIRIR290 signals of 9 samples were found to be in field saturation. The average ratio of the sensitivity-corrected natural signal to the laboratory saturation level for the pIRIR290 is 0.98 ± 0.02 (n = 9), showing that field saturation is equal to laboratory saturation for the pIRIR290 signal from polymineral fine grains from the Eifel region. Minimum equivalent dose estimates were calculated from the characteristic saturation dose of the dose response curves, giving minimum ages estimates of ∼230–420 ka, and suggesting that the pIRIR290 signal can be used to date loess to ∼300 ka. The pIRIR290 ages estimates of the samples from the Wannenköpfe and Dachsbusch sites are in good agreement with independent age control showing that the IRSL dating using pIRIR290 signal without fading correction is apparently reliable. Our data suggest that the loess units E, F, G and the lower part of H at the Kärlich site were accumulated >270 ka and that the palaeosol of the Kärlich Interglacial I most likely developed during marine isotope stage (MIS 9) or earlier. The pedocomplex on the top of Loess bed II at the Ariendorf section can be correlated with MIS 7. Loess Elsevier Eifel volcanism Elsevier Post-IR IRSL dating Elsevier Germany Elsevier Tsukamoto, Sumiko oth Frechen, Manfred oth Murray, Andrew S. oth Enthalten in Elsevier Science Xiao, Qiuyun ELSEVIER Biocompatible and noncytotoxic nucleoside-based AIEgens sensor for lighting-up nucleic acids 2021 the journal of the International Union for Quaternary Research Amsterdam [u.a.] (DE-627)ELV005958261 volume:334 year:2014 day:17 month:06 pages:141-154 extent:14 https://doi.org/10.1016/j.quaint.2014.03.006 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-ASIEN 35.00 Chemie: Allgemeines VZ 35.04 Ausbildung Beruf Organisationen Chemie VZ AR 334 2014 17 0617 141-154 14 045F 550 |
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10.1016/j.quaint.2014.03.006 doi GBVA2014017000015.pica (DE-627)ELV034116583 (ELSEVIER)S1040-6182(14)00137-2 DE-627 ger DE-627 rakwb eng 550 550 DE-600 540 VZ 6,25 ssgn ASIEN DE-1a fid 35.00 bkl 35.04 bkl Schmidt, Esther D. verfasserin aut Elevated temperature IRSL dating of loess sections in the East Eifel region of Germany 2014transfer abstract 14 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier It has been shown that the infrared stimulated luminescence signals measured at elevated temperature after an IR stimulation at 50 °C (post-IR IRSL) are significantly more stable than the conventional IRSL at 50 °C (IR50). In this study a post-IR IRSL protocol using a second IR stimulation temperature of 290 °C (pIRIR290) was applied to 17 polymineral fine grain (4–11 μm) samples from various loess sections in the Eifel region (Wannenköpfe, Dachsbusch, Kärlich and Ariendorf) with independent age control to test the reliability of ages using the pIRIR290 signal. The laboratory-measured fading rates are below 1%/decade on average for the pIRIR290. Both IR50 and pIRIR290 signals of 9 samples were found to be in field saturation. The average ratio of the sensitivity-corrected natural signal to the laboratory saturation level for the pIRIR290 is 0.98 ± 0.02 (n = 9), showing that field saturation is equal to laboratory saturation for the pIRIR290 signal from polymineral fine grains from the Eifel region. Minimum equivalent dose estimates were calculated from the characteristic saturation dose of the dose response curves, giving minimum ages estimates of ∼230–420 ka, and suggesting that the pIRIR290 signal can be used to date loess to ∼300 ka. The pIRIR290 ages estimates of the samples from the Wannenköpfe and Dachsbusch sites are in good agreement with independent age control showing that the IRSL dating using pIRIR290 signal without fading correction is apparently reliable. Our data suggest that the loess units E, F, G and the lower part of H at the Kärlich site were accumulated >270 ka and that the palaeosol of the Kärlich Interglacial I most likely developed during marine isotope stage (MIS 9) or earlier. The pedocomplex on the top of Loess bed II at the Ariendorf section can be correlated with MIS 7. It has been shown that the infrared stimulated luminescence signals measured at elevated temperature after an IR stimulation at 50 °C (post-IR IRSL) are significantly more stable than the conventional IRSL at 50 °C (IR50). In this study a post-IR IRSL protocol using a second IR stimulation temperature of 290 °C (pIRIR290) was applied to 17 polymineral fine grain (4–11 μm) samples from various loess sections in the Eifel region (Wannenköpfe, Dachsbusch, Kärlich and Ariendorf) with independent age control to test the reliability of ages using the pIRIR290 signal. The laboratory-measured fading rates are below 1%/decade on average for the pIRIR290. Both IR50 and pIRIR290 signals of 9 samples were found to be in field saturation. The average ratio of the sensitivity-corrected natural signal to the laboratory saturation level for the pIRIR290 is 0.98 ± 0.02 (n = 9), showing that field saturation is equal to laboratory saturation for the pIRIR290 signal from polymineral fine grains from the Eifel region. Minimum equivalent dose estimates were calculated from the characteristic saturation dose of the dose response curves, giving minimum ages estimates of ∼230–420 ka, and suggesting that the pIRIR290 signal can be used to date loess to ∼300 ka. The pIRIR290 ages estimates of the samples from the Wannenköpfe and Dachsbusch sites are in good agreement with independent age control showing that the IRSL dating using pIRIR290 signal without fading correction is apparently reliable. Our data suggest that the loess units E, F, G and the lower part of H at the Kärlich site were accumulated >270 ka and that the palaeosol of the Kärlich Interglacial I most likely developed during marine isotope stage (MIS 9) or earlier. The pedocomplex on the top of Loess bed II at the Ariendorf section can be correlated with MIS 7. Loess Elsevier Eifel volcanism Elsevier Post-IR IRSL dating Elsevier Germany Elsevier Tsukamoto, Sumiko oth Frechen, Manfred oth Murray, Andrew S. oth Enthalten in Elsevier Science Xiao, Qiuyun ELSEVIER Biocompatible and noncytotoxic nucleoside-based AIEgens sensor for lighting-up nucleic acids 2021 the journal of the International Union for Quaternary Research Amsterdam [u.a.] (DE-627)ELV005958261 volume:334 year:2014 day:17 month:06 pages:141-154 extent:14 https://doi.org/10.1016/j.quaint.2014.03.006 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-ASIEN 35.00 Chemie: Allgemeines VZ 35.04 Ausbildung Beruf Organisationen Chemie VZ AR 334 2014 17 0617 141-154 14 045F 550 |
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Elevated temperature IRSL dating of loess sections in the East Eifel region of Germany |
| abstract |
It has been shown that the infrared stimulated luminescence signals measured at elevated temperature after an IR stimulation at 50 °C (post-IR IRSL) are significantly more stable than the conventional IRSL at 50 °C (IR50). In this study a post-IR IRSL protocol using a second IR stimulation temperature of 290 °C (pIRIR290) was applied to 17 polymineral fine grain (4–11 μm) samples from various loess sections in the Eifel region (Wannenköpfe, Dachsbusch, Kärlich and Ariendorf) with independent age control to test the reliability of ages using the pIRIR290 signal. The laboratory-measured fading rates are below 1%/decade on average for the pIRIR290. Both IR50 and pIRIR290 signals of 9 samples were found to be in field saturation. The average ratio of the sensitivity-corrected natural signal to the laboratory saturation level for the pIRIR290 is 0.98 ± 0.02 (n = 9), showing that field saturation is equal to laboratory saturation for the pIRIR290 signal from polymineral fine grains from the Eifel region. Minimum equivalent dose estimates were calculated from the characteristic saturation dose of the dose response curves, giving minimum ages estimates of ∼230–420 ka, and suggesting that the pIRIR290 signal can be used to date loess to ∼300 ka. The pIRIR290 ages estimates of the samples from the Wannenköpfe and Dachsbusch sites are in good agreement with independent age control showing that the IRSL dating using pIRIR290 signal without fading correction is apparently reliable. Our data suggest that the loess units E, F, G and the lower part of H at the Kärlich site were accumulated >270 ka and that the palaeosol of the Kärlich Interglacial I most likely developed during marine isotope stage (MIS 9) or earlier. The pedocomplex on the top of Loess bed II at the Ariendorf section can be correlated with MIS 7. |
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It has been shown that the infrared stimulated luminescence signals measured at elevated temperature after an IR stimulation at 50 °C (post-IR IRSL) are significantly more stable than the conventional IRSL at 50 °C (IR50). In this study a post-IR IRSL protocol using a second IR stimulation temperature of 290 °C (pIRIR290) was applied to 17 polymineral fine grain (4–11 μm) samples from various loess sections in the Eifel region (Wannenköpfe, Dachsbusch, Kärlich and Ariendorf) with independent age control to test the reliability of ages using the pIRIR290 signal. The laboratory-measured fading rates are below 1%/decade on average for the pIRIR290. Both IR50 and pIRIR290 signals of 9 samples were found to be in field saturation. The average ratio of the sensitivity-corrected natural signal to the laboratory saturation level for the pIRIR290 is 0.98 ± 0.02 (n = 9), showing that field saturation is equal to laboratory saturation for the pIRIR290 signal from polymineral fine grains from the Eifel region. Minimum equivalent dose estimates were calculated from the characteristic saturation dose of the dose response curves, giving minimum ages estimates of ∼230–420 ka, and suggesting that the pIRIR290 signal can be used to date loess to ∼300 ka. The pIRIR290 ages estimates of the samples from the Wannenköpfe and Dachsbusch sites are in good agreement with independent age control showing that the IRSL dating using pIRIR290 signal without fading correction is apparently reliable. Our data suggest that the loess units E, F, G and the lower part of H at the Kärlich site were accumulated >270 ka and that the palaeosol of the Kärlich Interglacial I most likely developed during marine isotope stage (MIS 9) or earlier. The pedocomplex on the top of Loess bed II at the Ariendorf section can be correlated with MIS 7. |
| abstract_unstemmed |
It has been shown that the infrared stimulated luminescence signals measured at elevated temperature after an IR stimulation at 50 °C (post-IR IRSL) are significantly more stable than the conventional IRSL at 50 °C (IR50). In this study a post-IR IRSL protocol using a second IR stimulation temperature of 290 °C (pIRIR290) was applied to 17 polymineral fine grain (4–11 μm) samples from various loess sections in the Eifel region (Wannenköpfe, Dachsbusch, Kärlich and Ariendorf) with independent age control to test the reliability of ages using the pIRIR290 signal. The laboratory-measured fading rates are below 1%/decade on average for the pIRIR290. Both IR50 and pIRIR290 signals of 9 samples were found to be in field saturation. The average ratio of the sensitivity-corrected natural signal to the laboratory saturation level for the pIRIR290 is 0.98 ± 0.02 (n = 9), showing that field saturation is equal to laboratory saturation for the pIRIR290 signal from polymineral fine grains from the Eifel region. Minimum equivalent dose estimates were calculated from the characteristic saturation dose of the dose response curves, giving minimum ages estimates of ∼230–420 ka, and suggesting that the pIRIR290 signal can be used to date loess to ∼300 ka. The pIRIR290 ages estimates of the samples from the Wannenköpfe and Dachsbusch sites are in good agreement with independent age control showing that the IRSL dating using pIRIR290 signal without fading correction is apparently reliable. Our data suggest that the loess units E, F, G and the lower part of H at the Kärlich site were accumulated >270 ka and that the palaeosol of the Kärlich Interglacial I most likely developed during marine isotope stage (MIS 9) or earlier. The pedocomplex on the top of Loess bed II at the Ariendorf section can be correlated with MIS 7. |
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Elevated temperature IRSL dating of loess sections in the East Eifel region of Germany |
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https://doi.org/10.1016/j.quaint.2014.03.006 |
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Tsukamoto, Sumiko Frechen, Manfred Murray, Andrew S. |
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10.1016/j.quaint.2014.03.006 |
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