Reconstructed July temperatures since AD 1800, based on a tree-ring chronology network in the Northwest Pacific region, and implied large-scale atmospheric-oceanic interaction

Shunsuke Tei; Hitoshi Yonenobu; Shinya Suzuki; Motonari Ohyama; Katsuya Gotanda; Takeshi Nakagawa; Atsuko Sugimoto

doi:10.1016/j.palaeo.2015.06.012

Reconstructed July temperatures since AD 1800, based on a tree-ring chronology network in the Northwest Pacific region, and implied large-scale atmospheric-oceanic interaction

Shunsuke Tei, Hitoshi Yonenobu, Shinya Suzuki, Motonari Ohyama, Katsuya Gotanda, Takeshi Nakagawa, Atsuko Sugimoto

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Research output: Contribution to journal › Article

4 Citations (Scopus)

Abstract

We present a large-scale dendroclimatic reconstruction of July temperatures from 42-52°N to 140-145°E in the Northwest Pacific region for the period from 1800 to 1996. A multiple regression model with principal components (PCs) of a tree-ring chronology network was used for the reconstruction, which accounted for 31.7% of the temperature variance in the calibration period (1901-1996). The reconstructed spatially-averaged July temperatures show large fluctuations, which are comparable to previously published dendroclimatic reconstruction of spring temperatures in northeast Asia. It also shows stable relationships with other datasets, notably sea surface temperatures (SSTs) in a wide area of the North Pacific and the Pacific Decadal Oscillation (PDO), indicating atmospheric-oceanic interaction in the Northwest Pacific region since AD 1800.

Original language	English
Pages (from-to)	203-209
Number of pages	7
Journal	Palaeogeography, Palaeoclimatology, Palaeoecology
Volume	435
DOIs	https://doi.org/10.1016/j.palaeo.2015.06.012
Publication status	Published - 2015 Oct 1

Keywords

North Pacific
PDO
SST
Summer temperature
Tree rings

ASJC Scopus subject areas

Oceanography
Ecology, Evolution, Behavior and Systematics
Earth-Surface Processes
Palaeontology

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Tei, S., Yonenobu, H., Suzuki, S., Ohyama, M., Gotanda, K., Nakagawa, T., & Sugimoto, A. (2015). Reconstructed July temperatures since AD 1800, based on a tree-ring chronology network in the Northwest Pacific region, and implied large-scale atmospheric-oceanic interaction. Palaeogeography, Palaeoclimatology, Palaeoecology, 435, 203-209. https://doi.org/10.1016/j.palaeo.2015.06.012

Reconstructed July temperatures since AD 1800, based on a tree-ring chronology network in the Northwest Pacific region, and implied large-scale atmospheric-oceanic interaction. / Tei, Shunsuke; Yonenobu, Hitoshi; Suzuki, Shinya; Ohyama, Motonari; Gotanda, Katsuya; Nakagawa, Takeshi; Sugimoto, Atsuko.

In: Palaeogeography, Palaeoclimatology, Palaeoecology, Vol. 435, 01.10.2015, p. 203-209.

Research output: Contribution to journal › Article

Tei, S, Yonenobu, H, Suzuki, S, Ohyama, M, Gotanda, K, Nakagawa, T & Sugimoto, A 2015, 'Reconstructed July temperatures since AD 1800, based on a tree-ring chronology network in the Northwest Pacific region, and implied large-scale atmospheric-oceanic interaction', Palaeogeography, Palaeoclimatology, Palaeoecology, vol. 435, pp. 203-209. https://doi.org/10.1016/j.palaeo.2015.06.012

Tei, Shunsuke ; Yonenobu, Hitoshi ; Suzuki, Shinya ; Ohyama, Motonari ; Gotanda, Katsuya ; Nakagawa, Takeshi ; Sugimoto, Atsuko. / Reconstructed July temperatures since AD 1800, based on a tree-ring chronology network in the Northwest Pacific region, and implied large-scale atmospheric-oceanic interaction. In: Palaeogeography, Palaeoclimatology, Palaeoecology. 2015 ; Vol. 435. pp. 203-209.

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abstract = "We present a large-scale dendroclimatic reconstruction of July temperatures from 42-52°N to 140-145°E in the Northwest Pacific region for the period from 1800 to 1996. A multiple regression model with principal components (PCs) of a tree-ring chronology network was used for the reconstruction, which accounted for 31.7% of the temperature variance in the calibration period (1901-1996). The reconstructed spatially-averaged July temperatures show large fluctuations, which are comparable to previously published dendroclimatic reconstruction of spring temperatures in northeast Asia. It also shows stable relationships with other datasets, notably sea surface temperatures (SSTs) in a wide area of the North Pacific and the Pacific Decadal Oscillation (PDO), indicating atmospheric-oceanic interaction in the Northwest Pacific region since AD 1800.",

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AU - Ohyama, Motonari

AU - Gotanda, Katsuya

AU - Nakagawa, Takeshi

AU - Sugimoto, Atsuko

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