Optically Stimulated Luminescence to Date Coastal Dunes and a Possible Tsunami Layer on the Kavak Delta (Saros Gulf, NW Turkey)

AHMET EVREN ERGİNAL; NAFİYE GÜNEÇ KIYAK & HASAN ÖZCAN

Makale detayları

Optically Stimulated Luminescence to Date Coastal Dunes and a Possible Tsunami Layer on the Kavak Delta (Saros Gulf, NW Turkey)

Yazarlar:

AHMET EVREN ERGİNAL | NAFİYE GÜNEÇ KIYAK & HASAN ÖZCAN

Yayıncı:

TUBITAK

Dergi:

Turkish Journal of Earth Sciences 2009 Vol.18 Issue 3, pp.465-474

Belge Tipi:

Makale

Yayın Tarihi:

2/2009

Belge Dili:

Türkçe

Document ID (Org No.):

2000732336

Sıklık:

İki Aylık

eISSN:

1303-619X

pISSN:

1300-0985

Özet:

 

Optically stimulated luminescence (OSL) dating was used to determine the timing of initial dune formation and reconstruct the evolution of coastal dunes that developed on the Kavak Delta, Saros Gulf, Turkey. Along a 500-m-long representative transect, dune sands were extracted from foredune, semistable (grey) dune, stable (dark) dune and dune-swamp boundary defined by a scarp 50-75 cm high. The data obtained showed that dune drift initiated 670 years ago. A pumice layer 15-20-cm-thick interbedded with marine clay and sand showed an OSL age of 340 years coinciding with underlying dune sand. XRF analysis showed that pumices were of similar composition to those erupted by plinian activity of Thera (Santorini) in 1628 BC. On the basis of OSL ages, these deposits, which are widely distributed on the western Anatolian coasts of Turkey, might have presumably transported landward along tide channels on the delta during a tsunami event that occurred in 1672 near Bozcaada and Kos islands according to tsunami history of the Aegean Sea.

 

Optically stimulated luminescence (OSL) dating was used to determine the timing of initial dune formation and reconstruct the evolution of coastal dunes that developed on the Kavak Delta, Saros Gulf, Turkey. Along a 500-m-long representative transect, dune sands were extracted from foredune, semistable (grey) dune, stable (dark) dune and dune-swamp boundary defined by a scarp 50-75 cm high. The data obtained showed that dune drift initiated 670 years ago. A pumice layer 15-20-cm-thick interbedded with marine clay and sand showed an OSL age of 340 years coinciding with underlying dune sand. XRF analysis showed that pumices were of similar composition to those erupted by plinian activity of Thera (Santorini) in 1628 BC. On the basis of OSL ages, these deposits, which are widely distributed on the western Anatolian coasts of Turkey, might have presumably transported landward along tide channels on the delta during a tsunami event that occurred in 1672 near Bozcaada and Kos islands according to tsunami history of the Aegean Sea.

Makale detayları

Optically Stimulated Luminescence to Date Coastal Dunes and a Possible Tsunami Layer on the Kavak Delta (Saros Gulf, NW Turkey)

Yazarlar: AHMET EVREN ERGİNAL | NAFİYE GÜNEÇ KIYAK & HASAN ÖZCAN

Yayıncı: TUBITAK

Dergi: Turkish Journal of Earth Sciences 2009 Vol.18 Issue 3, pp.465-474

Belge Tipi: Makale

Yayın Tarihi: 2/2009

Belge Dili: Türkçe

Document ID (Org No.): 2000732336

Sıklık: İki Aylık

eISSN: 1303-619X

pISSN: 1300-0985

Sayı

Yazarlar:

AHMET EVREN ERGİNAL | NAFİYE GÜNEÇ KIYAK & HASAN ÖZCAN

Yayıncı:

TUBITAK

Dergi:

Turkish Journal of Earth Sciences 2009 Vol.18 Issue 3, pp.465-474

Belge Tipi:

Makale

Yayın Tarihi:

2/2009

Belge Dili:

Türkçe

Document ID (Org No.):

2000732336

Sıklık:

İki Aylık

eISSN:

1303-619X

pISSN:

1300-0985