Air-Ice-Ocean Interaction in Arctic and sub-Arctic and Possible Links with Lower Latitude Weather and Climate

Topic Information

Dear colleagues,

In the Arctic, a new climate regime is rapidly developing. It is characterized by a thinning sea-ice cover and decreasing sea-ice extent, longer ice-free periods, and consequently, more intense solar radiation absorption. This new regime may have significant consequences for the stability of the sensitive marine ecosystem and the matter transfer across shelves into the Arctic Ocean by, for instance, river runoff and coastal erosion. It will also likely be associated with an increased inflow of warm Atlantic water masses to the Arctic Ocean and related changes in sea-ice production. This in turn will affect sea ice export via the Transpolar Drift into the Norwegian–Greenland Sea with expected consequences on the hydrographic conditions in the sub-polar seas, weather, and climate in the lower latitudes. For this Topic, we invite contributions on a variety of aspects of recent changes in the Arctic and sub-Arctic physical environment. We encourage submissions addressing interaction between ocean, atmosphere, and sea ice with particular emphasis on possible feedbacks and on studies linking changes in the Arctic to the mid-latitudes. Submissions which focus on newly emerging consequences of sea-ice reduction on cryospheric and biogeochemical processes and their implications are very much welcome.

Prof. Dr. Vladimir Ivanov
Prof. Dr. Vladimir Alexeev
Topic Editors

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Participating Journals

Journal Name	Impact Factor	CiteScore	Launched Year	First Decision (median)	APC
Atmosphere atmosphere	2.5	4.6	2010	15.8 Days	CHF 2400
Journal of Marine Science and Engineering jmse	2.7	4.4	2013	16.9 Days	CHF 2600
Oceans oceans	1.5	3.1	2020	32.2 Days	CHF 1600
Water water	3.0	5.8	2009	16.5 Days	CHF 2600

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10 pages, 3050 KiB  

Open AccessArticle

A Joint Impact on Water Vapor Transport over South China during the Pre-Rainy Season by ENSO and PDO

by Guangya Zhang, Junjie Li and Lingli Fan

Water 2022, 14(22), 3639; https://doi.org/10.3390/w14223639 - 11 Nov 2022

Viewed by 1663

Abstract

Based on precipitation data from 60 stations in South China (SC) and NCEP reanalysis data, the Hybrid Single-Particle Lagrangian Integrated Trajectory model (HYSPLIT_4.9) is used to analyze the difference of water vapor transport tracks, water vapor sources, and their precipitation contribution rate to [...] Read more.

Based on precipitation data from 60 stations in South China (SC) and NCEP reanalysis data, the Hybrid Single-Particle Lagrangian Integrated Trajectory model (HYSPLIT_4.9) is used to analyze the difference of water vapor transport tracks, water vapor sources, and their precipitation contribution rate to frontal/monsoon precipitation, with four combinations of ENSO and PDO phase for a period of 53 years (1960–2012). The results show that: (1) For the frontal precipitation, in the Pacific Decadal Oscillation positive phase (PDO+), there is a great positive water vapor difference between ENSO+ (the positive ENSO phase) and ENSO− (the negative ENSO phase) over the tropical Indian Ocean (IO), the Bay of Bengal (BOB), the South China Sea (SCS) and the western Pacific (WP), the distribution of the difference is adjusted for PDO− (the negative PDO phase). For monsoon precipitation, when PDO and ENSO are in phase resonance, water vapor gathers over IO-BOB-SCS. (2) For the frontal precipitation, both PDO+ and PDO−, compare with ENSO+, more water vapor from SCS for ENSO−, but the southward water vapor transport anomaly over the western part of BOB-SCS-ocean east of the Philippines, which leads a decline in precipitation contribution rate of SCS water vapor. Both ENSO+ and ENSO−, compare with PDO−, more water vapor comes from IO-BOB for PDO+, but their precipitation contribution rates are lower. (3) For the summer monsoon precipitation, SCS and IO are important rain contributor sources. Regardless of the PDO phase, compared with ENSO+, there is more water vapor from the IO and WP for ENSO−, the easterly anomaly in the south of the stronger subtropical high brings more water vapor from WP to SC, the strong westerly anomalies in the IO-BOB-SCS increases IO water vapor transporting to SC, so water vapor precipitation contribution rates of IO and WP are higher. Both ENSO+ and ENSO−, compare with PDO−, more water vapor comes from SCS and EC for PDO+, but their precipitation contribution rates are lower. (4) The water vapor transport process of precipitation in PFS over SC is jointly affected by ENSO and PDO. Full article

(This article belongs to the Topic Air-Ice-Ocean Interaction in Arctic and sub-Arctic and Possible Links with Lower Latitude Weather and Climate)

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