Synergistic interdecadal effects of the North Pacific and North Atlantic SST on precipitation over eastern China as revealed in the ECHAM5 simulations
In this investigation, we examine individual and synergistic effects of sea surface temperature (SST) in the North Pacific and North Atlantic on precipitation interdecadal variations over eastern China using the Multi-Taper Method-Singular Value Decomposition (MTM-SVD) method and the European Center...
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ftchinacasciocas:oai:ir.qdio.ac.cn:337002/186179 2024-09-30T14:39:12+00:00 Synergistic interdecadal effects of the North Pacific and North Atlantic SST on precipitation over eastern China as revealed in the ECHAM5 simulations Wu, Minmin Zhang, Rong-Hua Zhi, Hai Hu, Junya 2024-08-01 http://ir.qdio.ac.cn/handle/337002/186179 https://doi.org/10.1007/s00382-024-07334-8 英语 eng SPRINGER CLIMATE DYNAMICS http://ir.qdio.ac.cn/handle/337002/186179 doi:10.1007/s00382-024-07334-8 Precipitation over eastern China MTM-SVD method Interdecadal variation Sea surface temperature (SST) ECHAM5 simulations Meteorology & Atmospheric Sciences ASIAN SUMMER MONSOON INDIAN-OCEAN DIPOLE PART I CLIMATE VARIABILITY ENSO TEMPERATURE OSCILLATION IMPACTS ROLES PDO 期刊论文 2024 ftchinacasciocas https://doi.org/10.1007/s00382-024-07334-8 2024-09-05T23:42:51Z In this investigation, we examine individual and synergistic effects of sea surface temperature (SST) in the North Pacific and North Atlantic on precipitation interdecadal variations over eastern China using the Multi-Taper Method-Singular Value Decomposition (MTM-SVD) method and the European Center Hamburg model version 5 (ECHAM5) simulations. Results reveal that the model adequately reproduces the quasi-periodic precipitation responses corresponding to interdecadal SST forcing in the North Pacific, North Atlantic and both regions. The Pacific Decadal Oscillation (PDO) is closely related to a meridional tri-polar precipitation pattern over eastern China, which is attributed to the western Pacific subtropical high and surface pressure anomalies over northern East Asia, influenced by the joint effects of a mid-latitude wave train and SST anomalies in the central-western North Pacific. The North Atlantic basin-scale SST (NABS) correlates positively with precipitation over North China and negatively with precipitation over Southwest China. This precipitation pattern is affected by the westward shift of the atmospheric activity center over East Asia associated with the mid-latitude wave train across Eurasia. The combined SST forcing from both the North Pacific and North Atlantic results in a meridional precipitation dipole pattern, and partially explains the precipitation interdecadal variation as observed. That is, as the PDO warm phase transitions to the NABS warm phase, rainbands experience an interdecadal northward shift from South China to North China. These results are pivotal for understanding how interdecadal SST forcing in the North Pacific and North Atlantic influences the precipitation distribution over China, thereby contributing to improvements in interdecadal climate prediction. Report North Atlantic Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR Pacific Indian Climate Dynamics |
institution |
Open Polar |
collection |
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR |
op_collection_id |
ftchinacasciocas |
language |
English |
topic |
Precipitation over eastern China MTM-SVD method Interdecadal variation Sea surface temperature (SST) ECHAM5 simulations Meteorology & Atmospheric Sciences ASIAN SUMMER MONSOON INDIAN-OCEAN DIPOLE PART I CLIMATE VARIABILITY ENSO TEMPERATURE OSCILLATION IMPACTS ROLES PDO |
spellingShingle |
Precipitation over eastern China MTM-SVD method Interdecadal variation Sea surface temperature (SST) ECHAM5 simulations Meteorology & Atmospheric Sciences ASIAN SUMMER MONSOON INDIAN-OCEAN DIPOLE PART I CLIMATE VARIABILITY ENSO TEMPERATURE OSCILLATION IMPACTS ROLES PDO Wu, Minmin Zhang, Rong-Hua Zhi, Hai Hu, Junya Synergistic interdecadal effects of the North Pacific and North Atlantic SST on precipitation over eastern China as revealed in the ECHAM5 simulations |
topic_facet |
Precipitation over eastern China MTM-SVD method Interdecadal variation Sea surface temperature (SST) ECHAM5 simulations Meteorology & Atmospheric Sciences ASIAN SUMMER MONSOON INDIAN-OCEAN DIPOLE PART I CLIMATE VARIABILITY ENSO TEMPERATURE OSCILLATION IMPACTS ROLES PDO |
description |
In this investigation, we examine individual and synergistic effects of sea surface temperature (SST) in the North Pacific and North Atlantic on precipitation interdecadal variations over eastern China using the Multi-Taper Method-Singular Value Decomposition (MTM-SVD) method and the European Center Hamburg model version 5 (ECHAM5) simulations. Results reveal that the model adequately reproduces the quasi-periodic precipitation responses corresponding to interdecadal SST forcing in the North Pacific, North Atlantic and both regions. The Pacific Decadal Oscillation (PDO) is closely related to a meridional tri-polar precipitation pattern over eastern China, which is attributed to the western Pacific subtropical high and surface pressure anomalies over northern East Asia, influenced by the joint effects of a mid-latitude wave train and SST anomalies in the central-western North Pacific. The North Atlantic basin-scale SST (NABS) correlates positively with precipitation over North China and negatively with precipitation over Southwest China. This precipitation pattern is affected by the westward shift of the atmospheric activity center over East Asia associated with the mid-latitude wave train across Eurasia. The combined SST forcing from both the North Pacific and North Atlantic results in a meridional precipitation dipole pattern, and partially explains the precipitation interdecadal variation as observed. That is, as the PDO warm phase transitions to the NABS warm phase, rainbands experience an interdecadal northward shift from South China to North China. These results are pivotal for understanding how interdecadal SST forcing in the North Pacific and North Atlantic influences the precipitation distribution over China, thereby contributing to improvements in interdecadal climate prediction. |
format |
Report |
author |
Wu, Minmin Zhang, Rong-Hua Zhi, Hai Hu, Junya |
author_facet |
Wu, Minmin Zhang, Rong-Hua Zhi, Hai Hu, Junya |
author_sort |
Wu, Minmin |
title |
Synergistic interdecadal effects of the North Pacific and North Atlantic SST on precipitation over eastern China as revealed in the ECHAM5 simulations |
title_short |
Synergistic interdecadal effects of the North Pacific and North Atlantic SST on precipitation over eastern China as revealed in the ECHAM5 simulations |
title_full |
Synergistic interdecadal effects of the North Pacific and North Atlantic SST on precipitation over eastern China as revealed in the ECHAM5 simulations |
title_fullStr |
Synergistic interdecadal effects of the North Pacific and North Atlantic SST on precipitation over eastern China as revealed in the ECHAM5 simulations |
title_full_unstemmed |
Synergistic interdecadal effects of the North Pacific and North Atlantic SST on precipitation over eastern China as revealed in the ECHAM5 simulations |
title_sort |
synergistic interdecadal effects of the north pacific and north atlantic sst on precipitation over eastern china as revealed in the echam5 simulations |
publisher |
SPRINGER |
publishDate |
2024 |
url |
http://ir.qdio.ac.cn/handle/337002/186179 https://doi.org/10.1007/s00382-024-07334-8 |
geographic |
Pacific Indian |
geographic_facet |
Pacific Indian |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_relation |
CLIMATE DYNAMICS http://ir.qdio.ac.cn/handle/337002/186179 doi:10.1007/s00382-024-07334-8 |
op_doi |
https://doi.org/10.1007/s00382-024-07334-8 |
container_title |
Climate Dynamics |
_version_ |
1811641712702914560 |