Restored relationship between ENSO and Indian summer monsoon rainfall around 1999/2000
Summary: El Niño–Southern Oscillation (ENSO) was identified as the dominant predictor for the Indian summer monsoon rainfall (ISMR) in the early 1900s. An apparent weakening of the ENSO–ISMR relationship has been observed since the 1970s. Here, we found a clear restoration of the ENSO–ISMR relations...
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ftdoajarticles:oai:doaj.org/article:aae3f2b7d1ae486c8f7223039dbfa6f6 2023-05-15T17:34:01+02:00 Restored relationship between ENSO and Indian summer monsoon rainfall around 1999/2000 Xianke Yang Ping Huang 2021-05-01T00:00:00Z https://doi.org/10.1016/j.xinn.2021.100102 https://doaj.org/article/aae3f2b7d1ae486c8f7223039dbfa6f6 EN eng Elsevier http://www.sciencedirect.com/science/article/pii/S2666675821000278 https://doaj.org/toc/2666-6758 2666-6758 doi:10.1016/j.xinn.2021.100102 https://doaj.org/article/aae3f2b7d1ae486c8f7223039dbfa6f6 The Innovation, Vol 2, Iss 2, Pp 100102- (2021) ENSO–ISMR relationship interdecadal transition tropical Atlantic SSTAs emerging ENSOs continuing ENSOs Science (General) Q1-390 article 2021 ftdoajarticles https://doi.org/10.1016/j.xinn.2021.100102 2022-12-31T06:41:59Z Summary: El Niño–Southern Oscillation (ENSO) was identified as the dominant predictor for the Indian summer monsoon rainfall (ISMR) in the early 1900s. An apparent weakening of the ENSO–ISMR relationship has been observed since the 1970s. Here, we found a clear restoration of the ENSO–ISMR relationship since 1999/2000. This restoring relationship is closely linked to the interdecadal transition of ENSO evolution and the associated sea surface temperature anomalies (SSTAs) over the tropical Atlantic. During 1979–1997, summer ENSO events mainly continued from the previous winter, which can drive apparent Atlantic Niña SSTAs to offset ENSO's impact on ISMR and weaken the ENSO–ISMR relationship. In contrast, when ENSO events newly emerge from late spring, as they have done more recently during 2000–2018, the associated tropical Atlantic SSTAs are weak and shift to the tropical North Atlantic, which can offset the contribution of Atlantic Niña and reinforce the ENSO–ISMR relationship. We identified that the diversity of ENSO's evolution, continuing from the previous winter or emerging from late spring, is the dominant factor perturbing the ENSO–ISMR relationship in recent epochs, with tropical Atlantic SSTAs as the crucial bridge. This finding should be considered in our efforts to improve ISMR prediction. Article in Journal/Newspaper North Atlantic Directory of Open Access Journals: DOAJ Articles Indian The Innovation 2 2 100102 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
ENSO–ISMR relationship interdecadal transition tropical Atlantic SSTAs emerging ENSOs continuing ENSOs Science (General) Q1-390 |
spellingShingle |
ENSO–ISMR relationship interdecadal transition tropical Atlantic SSTAs emerging ENSOs continuing ENSOs Science (General) Q1-390 Xianke Yang Ping Huang Restored relationship between ENSO and Indian summer monsoon rainfall around 1999/2000 |
topic_facet |
ENSO–ISMR relationship interdecadal transition tropical Atlantic SSTAs emerging ENSOs continuing ENSOs Science (General) Q1-390 |
description |
Summary: El Niño–Southern Oscillation (ENSO) was identified as the dominant predictor for the Indian summer monsoon rainfall (ISMR) in the early 1900s. An apparent weakening of the ENSO–ISMR relationship has been observed since the 1970s. Here, we found a clear restoration of the ENSO–ISMR relationship since 1999/2000. This restoring relationship is closely linked to the interdecadal transition of ENSO evolution and the associated sea surface temperature anomalies (SSTAs) over the tropical Atlantic. During 1979–1997, summer ENSO events mainly continued from the previous winter, which can drive apparent Atlantic Niña SSTAs to offset ENSO's impact on ISMR and weaken the ENSO–ISMR relationship. In contrast, when ENSO events newly emerge from late spring, as they have done more recently during 2000–2018, the associated tropical Atlantic SSTAs are weak and shift to the tropical North Atlantic, which can offset the contribution of Atlantic Niña and reinforce the ENSO–ISMR relationship. We identified that the diversity of ENSO's evolution, continuing from the previous winter or emerging from late spring, is the dominant factor perturbing the ENSO–ISMR relationship in recent epochs, with tropical Atlantic SSTAs as the crucial bridge. This finding should be considered in our efforts to improve ISMR prediction. |
format |
Article in Journal/Newspaper |
author |
Xianke Yang Ping Huang |
author_facet |
Xianke Yang Ping Huang |
author_sort |
Xianke Yang |
title |
Restored relationship between ENSO and Indian summer monsoon rainfall around 1999/2000 |
title_short |
Restored relationship between ENSO and Indian summer monsoon rainfall around 1999/2000 |
title_full |
Restored relationship between ENSO and Indian summer monsoon rainfall around 1999/2000 |
title_fullStr |
Restored relationship between ENSO and Indian summer monsoon rainfall around 1999/2000 |
title_full_unstemmed |
Restored relationship between ENSO and Indian summer monsoon rainfall around 1999/2000 |
title_sort |
restored relationship between enso and indian summer monsoon rainfall around 1999/2000 |
publisher |
Elsevier |
publishDate |
2021 |
url |
https://doi.org/10.1016/j.xinn.2021.100102 https://doaj.org/article/aae3f2b7d1ae486c8f7223039dbfa6f6 |
geographic |
Indian |
geographic_facet |
Indian |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_source |
The Innovation, Vol 2, Iss 2, Pp 100102- (2021) |
op_relation |
http://www.sciencedirect.com/science/article/pii/S2666675821000278 https://doaj.org/toc/2666-6758 2666-6758 doi:10.1016/j.xinn.2021.100102 https://doaj.org/article/aae3f2b7d1ae486c8f7223039dbfa6f6 |
op_doi |
https://doi.org/10.1016/j.xinn.2021.100102 |
container_title |
The Innovation |
container_volume |
2 |
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100102 |
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