Reconstruction of Holocene Environmental Changes in North-Western Pacific in Relation to Paleorecord from Shikotan Island


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Resumo

Results of a paleolimnological investigation of a well-dated lake sediment section from Shikotan Island (Southern Kurils) showed that from ca 8.0 to 5.8 cal ka BP a warm and humid period corresponding to middle Holocene optimum took place. Cooling thereafter corresponds to Neoglacial. A reconstructed from ca 0.9 to ca 0.58 cal ka BP warm period can correspond to a Medieval Warm Period. Cooling after 0.58 cal ka BP can be correlated with the LIA. Marine regression stages were identified at ca 6.2–5.9, 5.5–5.1 and 1.07–0.36 cal ka BP. The general chronology of major climatic events of Holocene in the island is in accordance with the climate records from the North Pacific region. Revealed spatial differences in timing and magnitude of the Late Holocene climatic episodes (LIA, MWP) in the region needs further investigations.

Sobre autores

L. Nazarova

Potsdam University, the Institute of Earth
and Environmental Science; Alfred Wegener Institute, Helmholtz Centre for Polar
and Marine Research, Research Unit Potsdam

Email: lyudmilalsd@gmail.com
Alemanha, Potsdam; Potsdam

N. Razjigaeva

Pacific Geographical Institute FEB RAS

Email: lyudmilalsd@gmail.com
Rússia, Vladivostok, 690041

B. Diekmann

Potsdam University, the Institute of Earth
and Environmental Science; Alfred Wegener Institute, Helmholtz Centre for Polar
and Marine Research, Research Unit Potsdam

Email: lyudmilalsd@gmail.com
Alemanha, Potsdam; Potsdam

T. Grebennikova

Pacific Geographical Institute FEB RAS

Email: lyudmilalsd@gmail.com
Rússia, Vladivostok, 690041

L. Ganzey

Pacific Geographical Institute FEB RAS

Email: lyudmilalsd@gmail.com
Rússia, Vladivostok, 690041

N. Belyanina

Pacific Geographical Institute FEB RAS

Email: lyudmilalsd@gmail.com
Rússia, Vladivostok, 690041

K. Arslanov

St. Petersburg State University

Email: lyudmilalsd@gmail.com
Rússia, St. Petersburg, 199034

V. Kaistrenko

Institute of Marine Geology and Geophysics FEB RAS

Email: lyudmilalsd@gmail.com
Rússia, Yuzhno-Sakhalinsk, 693022

A. Gorbunov

Institute of Marine Geology and Geophysics FEB RAS

Email: lyudmilalsd@gmail.com
Rússia, Yuzhno-Sakhalinsk, 693022

A. Kharlamov

Shirshov Institute of Oceanology RAS

Email: lyudmilalsd@gmail.com
Rússia, Moscow, 117218

L. Golovatyuk

Institute of Ecology of Volga River Basin RAS

Email: lyudmilalsd@gmail.com
Rússia, Tolyatti, 445003

L. Syrykh

Kazan (Volga Region) Federal University; Herzen State Pedagogical University of Russia

Autor responsável pela correspondência
Email: lyudmilalsd@gmail.com
Rússia, Kazan, 420008; St. Petersburg, 191186

D. Subetto

Northern Water Problems Institute, Karelian Research Centre of Russian Academy of Sciences

Email: lyudmilalsd@gmail.com
Rússia, Petrozavodsk, Karelia, 185910

A. Lisitsyn

Institute of Marine Geology and Geophysics FEB RAS

Email: lyudmilalsd@gmail.com
Rússia, Yuzhno-Sakhalinsk, 693022

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