Identification

Title

Influence of ENSO and volcanic eruptions on Himalayan jet latitude

Abstract

The position of the subtropical jet over the Himalayas (Himalayan jet) affects extreme precipitation and heat over Central and South Asia. We examine the influence of two major natural factors-the El Ni ntilde;o/Southern Oscillation (ENSO) and explosive volcanic eruptions-on Himalayan jet interannual variability during the past millennium using simulations from the Community Earth System Model. We find that both El Ni ntilde;o events and eruptions shift the Himalayan jet equatorward by up to 3 degrees. If an El Ni ntilde;o occurs following an eruption, this enhances the equatorward Himalayan jet shift, while La Ni ntilde;a tends to favor poleward jet migration. Subtropical cooling during El Ni ntilde;o or following eruptions is the primary cause of equatorward Himalayan jet shifts, while poleward shifts are associated with subtropical warming. Consistent across the CMIP6 models over the historical period, our results suggest that both ENSO and eruptions are the key drivers of interannual Himalayan jet variability.

Resource type

document

Resource locator

Unique resource identifier

code

https://n2t.org/ark:/85065/d7765kmc

codeSpace

Dataset language

eng

Spatial reference system

code identifying the spatial reference system

Classification of spatial data and services

Topic category

geoscientificInformation

Keywords

Keyword set

keyword value

Text

originating controlled vocabulary

title

Resource Type

reference date

date type

publication

effective date

2016-01-01T00:00:00Z

Geographic location

West bounding longitude

East bounding longitude

North bounding latitude

South bounding latitude

Temporal reference

Temporal extent

Begin position

End position

Dataset reference date

date type

publication

effective date

2024-07-28T00:00:00Z

Frequency of update

Quality and validity

Lineage

Conformity

Data format

name of format

version of format

Constraints related to access and use

Constraint set

Use constraints

Limitations on public access

None

Responsible organisations

Responsible party

contact position

OpenSky Support

organisation name

UCAR/NCAR - Library

full postal address

PO Box 3000

Boulder

80307-3000

email address

opensky@ucar.edu

web address

http://opensky.ucar.edu/

name: homepage

responsible party role

pointOfContact

Metadata on metadata

Metadata point of contact