The effect of atmospheric rivers on cold-season heavy precipitation events in Iran

Atmospheric rivers (ARs) as massive and concentrated water vapour paths can have a critical impact on extreme events in arid and semi-arid areas. This study investigated the effect of ARs on heavy precipitation events during the cold, rainy months (November–April) in Iran for 11 years. The results s...

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Autores principales:	Neda Esfandiari, Hassan Lashkari
Formato:	article
Lenguaje:	EN
Publicado:	IWA Publishing 2021
Materias:	atmospheric rivers cold season heavy precipitation iran Environmental technology. Sanitary engineering TD1-1066 Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/c7e5bf867bf94f268ec8ca49b641fd09
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spelling	oai:doaj.org-article:c7e5bf867bf94f268ec8ca49b641fd092021-11-05T18:31:24ZThe effect of atmospheric rivers on cold-season heavy precipitation events in Iran2040-22442408-935410.2166/wcc.2020.259https://doaj.org/article/c7e5bf867bf94f268ec8ca49b641fd092021-03-01T00:00:00Zhttp://jwcc.iwaponline.com/content/12/2/596https://doaj.org/toc/2040-2244https://doaj.org/toc/2408-9354Atmospheric rivers (ARs) as massive and concentrated water vapour paths can have a critical impact on extreme events in arid and semi-arid areas. This study investigated the effect of ARs on heavy precipitation events during the cold, rainy months (November–April) in Iran for 11 years. The results showed that 107 ARs had an influence on heavy precipitation, which providing partial moisture for Iran's precipitation. On average, 11 heavy precipitation days were linked to the presence of ARs in the six cold months of each year. During the study period, ARs accounted for almost 20–50% of the country's total heavy precipitation monthly. Although most ARs entered the country from the south through coastal areas, the western part of Iran, especially elevated stations along the western slope of the Zagros Mountains, received the highest heavy precipitation. Accordingly, about 66% of ARs directly originated from the Red Sea and the Gulf of Aden. Moreover, December experienced the highest frequency of ARs linked to heavy precipitation during the statistical period.Neda EsfandiariHassan LashkariIWA Publishingarticleatmospheric riverscold seasonheavy precipitationiranEnvironmental technology. Sanitary engineeringTD1-1066Environmental sciencesGE1-350ENJournal of Water and Climate Change, Vol 12, Iss 2, Pp 596-611 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	atmospheric rivers cold season heavy precipitation iran Environmental technology. Sanitary engineering TD1-1066 Environmental sciences GE1-350
spellingShingle	atmospheric rivers cold season heavy precipitation iran Environmental technology. Sanitary engineering TD1-1066 Environmental sciences GE1-350 Neda Esfandiari Hassan Lashkari The effect of atmospheric rivers on cold-season heavy precipitation events in Iran
description	Atmospheric rivers (ARs) as massive and concentrated water vapour paths can have a critical impact on extreme events in arid and semi-arid areas. This study investigated the effect of ARs on heavy precipitation events during the cold, rainy months (November–April) in Iran for 11 years. The results showed that 107 ARs had an influence on heavy precipitation, which providing partial moisture for Iran's precipitation. On average, 11 heavy precipitation days were linked to the presence of ARs in the six cold months of each year. During the study period, ARs accounted for almost 20–50% of the country's total heavy precipitation monthly. Although most ARs entered the country from the south through coastal areas, the western part of Iran, especially elevated stations along the western slope of the Zagros Mountains, received the highest heavy precipitation. Accordingly, about 66% of ARs directly originated from the Red Sea and the Gulf of Aden. Moreover, December experienced the highest frequency of ARs linked to heavy precipitation during the statistical period.
format	article
author	Neda Esfandiari Hassan Lashkari
author_facet	Neda Esfandiari Hassan Lashkari
author_sort	Neda Esfandiari
title	The effect of atmospheric rivers on cold-season heavy precipitation events in Iran
title_short	The effect of atmospheric rivers on cold-season heavy precipitation events in Iran
title_full	The effect of atmospheric rivers on cold-season heavy precipitation events in Iran
title_fullStr	The effect of atmospheric rivers on cold-season heavy precipitation events in Iran
title_full_unstemmed	The effect of atmospheric rivers on cold-season heavy precipitation events in Iran
title_sort	effect of atmospheric rivers on cold-season heavy precipitation events in iran
publisher	IWA Publishing
publishDate	2021
url	https://doaj.org/article/c7e5bf867bf94f268ec8ca49b641fd09
work_keys_str_mv	AT nedaesfandiari theeffectofatmosphericriversoncoldseasonheavyprecipitationeventsiniran AT hassanlashkari theeffectofatmosphericriversoncoldseasonheavyprecipitationeventsiniran AT nedaesfandiari effectofatmosphericriversoncoldseasonheavyprecipitationeventsiniran AT hassanlashkari effectofatmosphericriversoncoldseasonheavyprecipitationeventsiniran
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The effect of atmospheric rivers on cold-season heavy precipitation events in Iran

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