Over het archief
Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.
Dit archief wordt uitgebouwd en beheerd volgens de principes van de Open Access Movement, en het daaruit ontstane Open Archives Initiative.
Basisinformatie over ‘Open Access to scholarly information'.
| one publication added to basket [330647] |
Pacific warm pool subsurface heat sequestration modulated Walker circulation and ENSO activity during the Holocene
Dang, H.; Jian, Z.; Wang, Y.; Mohtadi, M.; Rosenthal, Y.; Ye, L.; Bassinot, F.; Kuhnt, W. (2020). Pacific warm pool subsurface heat sequestration modulated Walker circulation and ENSO activity during the Holocene. Science Advances 6(42): eabc0402. https://dx.doi.org/10.1126/sciadv.abc0402
In: Science Advances. AAAS: New York. e-ISSN 2375-2548, meer
|   |
| Auteurs | | Top |
- Dang, H.
- Jian, Z.
- Wang, Y.
- Mohtadi, M.
|
- Rosenthal, Y.
- Ye, L.
- Bassinot, F.
- Kuhnt, W., meer
|
|
| Abstract |
Dynamics driving the El Niño–Southern Oscillation (ENSO) over longer-than-interannual time scales are poorly understood. Here, we compile thermocline temperature records of the Indo-Pacific warm pool over the past 25,000 years, which reveal a major warming in the Early Holocene and a secondary warming in the Middle Holocene. We suggest that the first thermocline warming corresponds to heat transport of southern Pacific shallow overturning circulation driven by June (austral winter) insolation maximum. The second thermocline warming follows equatorial September insolation maximum, which may have caused a steeper west-east upper-ocean thermal gradient and an intensified Walker circulation in the equatorial Pacific. We propose that the warm pool thermocline warming ultimately reduced the interannual ENSO activity in the Early to Middle Holocene. Thus, a substantially increased oceanic heat content of the warm pool, acting as a negative feedback for ENSO in the past, may play its role in the ongoing global warming. |
IMIS is ontwikkeld en wordt gehost door het VLIZ.
