Identifying Outflow Regions of North American Monsoon Anticyclone-Mediated Meridional Transport of Convectively Influenced Air Masses in the Lower Stratosphere

© 2021. The Authors.

Détails bibliographiques
Publié dans:Journal of geophysical research. Atmospheres : JGR. - 1998. - 126(2021), 10 vom: 28. Mai, Seite e2021JD034644
Auteur principal: Clapp, C E (Auteur)
Autres auteurs: Smith, J B, Bedka, K M, Anderson, J G
Format: Article en ligne
Langue:English
Publié: 2021
Accès à la collection:Journal of geophysical research. Atmospheres : JGR
Sujets:Journal Article NAMA circulation convection outflow stratosphere transport
LEADER 01000caa a22002652c 4500
001 NLM327684305
003 DE-627
005 20250302022833.0
007 cr uuu---uuuuu
008 231225s2021 xx |||||o 00| ||eng c
024 7 |a 10.1029/2021JD034644  |2 doi 
028 5 2 |a pubmed25n1092.xml 
035 |a (DE-627)NLM327684305 
035 |a (NLM)34221781 
040 |a DE-627  |b ger  |c DE-627  |e rakwb 
041 |a eng 
100 1 |a Clapp, C E  |e verfasserin  |4 aut 
245 1 0 |a Identifying Outflow Regions of North American Monsoon Anticyclone-Mediated Meridional Transport of Convectively Influenced Air Masses in the Lower Stratosphere 
264 1 |c 2021 
336 |a Text  |b txt  |2 rdacontent 
337 |a ƒaComputermedien  |b c  |2 rdamedia 
338 |a ƒa Online-Ressource  |b cr  |2 rdacarrier 
500 |a Date Revised 02.04.2024 
500 |a published: Print-Electronic 
500 |a Citation Status PubMed-not-MEDLINE 
520 |a © 2021. The Authors. 
520 |a We analyzed the effect of the North American monsoon anticyclone (NAMA) on the meridional transport of summertime cross-tropopause convective outflow by applying a trajectory analysis to a climatology of convective overshooting tops (OTs) identified in GOES satellite images, which covers the domain from 29°S to 68°N and from 205°W to 1.25°W for the time period of May to September, 2013. From this analysis, we identify seasonal development of geographically distinct outflow regions of convectively influenced air masses (CIAMs) from the NAMA circulation to the global stratosphere and quantify the associated meridional displacement of CIAMs. We find that prior to the development of the NAMA, the majority of CIAMs exit the study area in a southeastern region between 5°N and 35°N at 45°W (75.5% in May). During July and August, when the NAMA is strongest, two additional outflow regions develop that constitute the majority of outflow: 68.1% in a northeastern region between 35°N and 60°N at 45°W and 13.4% in a southwestern region between 5°N and 35°N at 145°W. The shift in the location of most CIAM outflow from the pre-NAMA southeastern region to NAMA-dependent northeastern and southwestern regions corresponds to a change in average meridional displacement of CIAMs from 3.3° northward in May to 24.5° northward in July and August. Meridional transport of CIAMs through persistent outflow regions from the NAMA circulation to the global stratosphere has the potential to impact global stratospheric composition beyond convective source regions 
650 4 |a Journal Article 
650 4 |a NAMA 
650 4 |a circulation 
650 4 |a convection 
650 4 |a outflow 
650 4 |a stratosphere 
650 4 |a transport 
700 1 |a Smith, J B  |e verfasserin  |4 aut 
700 1 |a Bedka, K M  |e verfasserin  |4 aut 
700 1 |a Anderson, J G  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Journal of geophysical research. Atmospheres : JGR  |d 1998  |g 126(2021), 10 vom: 28. Mai, Seite e2021JD034644  |w (DE-627)NLM098183494  |x 2169-897X  |7 nnas 
773 1 8 |g volume:126  |g year:2021  |g number:10  |g day:28  |g month:05  |g pages:e2021JD034644 
856 4 0 |u http://dx.doi.org/10.1029/2021JD034644  |3 Volltext 
912 |a GBV_USEFLAG_A 
912 |a SYSFLAG_A 
912 |a GBV_NLM 
912 |a GBV_ILN_350 
951 |a AR 
952 |d 126  |j 2021  |e 10  |b 28  |c 05  |h e2021JD034644