Moisture variation inferred from tree rings in north central China and its links with the remote oceans
Abstract In this study we presented a composite standard chronology, spanning 1635–2018 to reconstruct May–July moisture variation in north central China. Our reconstruction revealed four severe dry epochs and five pronounced wet epochs. Additionally, spatial correlation analysis of our reconstructi...
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ftdoajarticles:oai:doaj.org/article:ccc27d5f3abb4934af35ca2bc31e226f 2023-05-15T17:34:17+02:00 Moisture variation inferred from tree rings in north central China and its links with the remote oceans Zeyu Zheng Liya Jin Jinjian Li Jie Chen Xiaojian Zhang Zhenqian Wang 2021-08-01T00:00:00Z https://doi.org/10.1038/s41598-021-93841-1 https://doaj.org/article/ccc27d5f3abb4934af35ca2bc31e226f EN eng Nature Portfolio https://doi.org/10.1038/s41598-021-93841-1 https://doaj.org/toc/2045-2322 doi:10.1038/s41598-021-93841-1 2045-2322 https://doaj.org/article/ccc27d5f3abb4934af35ca2bc31e226f Scientific Reports, Vol 11, Iss 1, Pp 1-14 (2021) Medicine R Science Q article 2021 ftdoajarticles https://doi.org/10.1038/s41598-021-93841-1 2022-12-31T08:03:40Z Abstract In this study we presented a composite standard chronology, spanning 1635–2018 to reconstruct May–July moisture variation in north central China. Our reconstruction revealed four severe dry epochs and five pronounced wet epochs. Additionally, spatial correlation analysis of our reconstruction with the actual self-calibrating Palmer drought severity index showed that our reconstruction was representative of large-scale May–July moisture changes. Both the severe dry and pronounced wet epochs showed one-to-one correspondence with other reconstructions nearby during their common periods, which demonstrated the reliability of our reconstruction backwards in time. Spectral analysis showed that significant spectral peaks were found at 2.1–3.8 years, which fell within the overall bandwidth of the El Niño-Southern Oscillations (ENSO). The spatial correlation patterns between our reconstruction and sea surface temperature (SST) in the equatorial eastern Pacific further confirmed the link between regional moisture and ENSO, with warm-phase ENSO resulting in low moisture and vice-versa. However, this link was time-dependent during the past four centuries, and was modulated by different phases of SST in the tropical Indian Ocean. Additionally, significant peaks at 24.9–46.5 years and spatial correlation patterns indicated that the Pacific Decadal Oscillation and the North Atlantic Oscillation may be the possible forcing factors of regional moisture at lower frequencies. Article in Journal/Newspaper North Atlantic North Atlantic oscillation Directory of Open Access Journals: DOAJ Articles Indian Pacific Scientific Reports 11 1 |
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English |
topic |
Medicine R Science Q |
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Medicine R Science Q Zeyu Zheng Liya Jin Jinjian Li Jie Chen Xiaojian Zhang Zhenqian Wang Moisture variation inferred from tree rings in north central China and its links with the remote oceans |
topic_facet |
Medicine R Science Q |
description |
Abstract In this study we presented a composite standard chronology, spanning 1635–2018 to reconstruct May–July moisture variation in north central China. Our reconstruction revealed four severe dry epochs and five pronounced wet epochs. Additionally, spatial correlation analysis of our reconstruction with the actual self-calibrating Palmer drought severity index showed that our reconstruction was representative of large-scale May–July moisture changes. Both the severe dry and pronounced wet epochs showed one-to-one correspondence with other reconstructions nearby during their common periods, which demonstrated the reliability of our reconstruction backwards in time. Spectral analysis showed that significant spectral peaks were found at 2.1–3.8 years, which fell within the overall bandwidth of the El Niño-Southern Oscillations (ENSO). The spatial correlation patterns between our reconstruction and sea surface temperature (SST) in the equatorial eastern Pacific further confirmed the link between regional moisture and ENSO, with warm-phase ENSO resulting in low moisture and vice-versa. However, this link was time-dependent during the past four centuries, and was modulated by different phases of SST in the tropical Indian Ocean. Additionally, significant peaks at 24.9–46.5 years and spatial correlation patterns indicated that the Pacific Decadal Oscillation and the North Atlantic Oscillation may be the possible forcing factors of regional moisture at lower frequencies. |
format |
Article in Journal/Newspaper |
author |
Zeyu Zheng Liya Jin Jinjian Li Jie Chen Xiaojian Zhang Zhenqian Wang |
author_facet |
Zeyu Zheng Liya Jin Jinjian Li Jie Chen Xiaojian Zhang Zhenqian Wang |
author_sort |
Zeyu Zheng |
title |
Moisture variation inferred from tree rings in north central China and its links with the remote oceans |
title_short |
Moisture variation inferred from tree rings in north central China and its links with the remote oceans |
title_full |
Moisture variation inferred from tree rings in north central China and its links with the remote oceans |
title_fullStr |
Moisture variation inferred from tree rings in north central China and its links with the remote oceans |
title_full_unstemmed |
Moisture variation inferred from tree rings in north central China and its links with the remote oceans |
title_sort |
moisture variation inferred from tree rings in north central china and its links with the remote oceans |
publisher |
Nature Portfolio |
publishDate |
2021 |
url |
https://doi.org/10.1038/s41598-021-93841-1 https://doaj.org/article/ccc27d5f3abb4934af35ca2bc31e226f |
geographic |
Indian Pacific |
geographic_facet |
Indian Pacific |
genre |
North Atlantic North Atlantic oscillation |
genre_facet |
North Atlantic North Atlantic oscillation |
op_source |
Scientific Reports, Vol 11, Iss 1, Pp 1-14 (2021) |
op_relation |
https://doi.org/10.1038/s41598-021-93841-1 https://doaj.org/toc/2045-2322 doi:10.1038/s41598-021-93841-1 2045-2322 https://doaj.org/article/ccc27d5f3abb4934af35ca2bc31e226f |
op_doi |
https://doi.org/10.1038/s41598-021-93841-1 |
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Scientific Reports |
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11 |
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1 |
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1766133076104052736 |