The latitudinal dependence in the trend of snow event to precipitation event ratio

Abstract Precipitation phase is expected to shift from solid to liquid with temperature rising, which would in turn bring challenges to regional water resource management. Although in recent decades, consistent decreasing trends in the ratio of snowfall to precipitation rate in a warming climate hav...

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Autores principales:	Shangyong Shi, Guosheng Liu
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/1fbff2cabab64cd7b75a7aef99015a68
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spelling	oai:doaj.org-article:1fbff2cabab64cd7b75a7aef99015a682021-12-02T15:15:44ZThe latitudinal dependence in the trend of snow event to precipitation event ratio10.1038/s41598-021-97451-92045-2322https://doaj.org/article/1fbff2cabab64cd7b75a7aef99015a682021-09-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-97451-9https://doaj.org/toc/2045-2322Abstract Precipitation phase is expected to shift from solid to liquid with temperature rising, which would in turn bring challenges to regional water resource management. Although in recent decades, consistent decreasing trends in the ratio of snowfall to precipitation rate in a warming climate have been found across multiple regions, a global view of the trends in the precipitation partitioning has not been established. In this study, we investigated the global trends of annual rain and snow frequency of occurrences and the ratio of number of snow events to number of precipitation events (SE/PE ratio) using land station and shipboard synoptic present weather reports from 1978 to 2019. Results show that when averaged over all qualified land stations and over the shipboard reports, both the annual rain frequency and snow frequency decrease over the 42 years. Over both land and ocean, the averaged SE/PE ratio has a significant decreasing trend. Moreover, the trend of SE/PE ratio shows a strong latitudinal dependence. At the mid- and low latitudes in the Northern Hemisphere, the SE/PE ratio has a decreasing trend. In contrast, at high latitudes, the SE/PE ratio has an increasing trend.Shangyong ShiGuosheng LiuNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Shangyong Shi Guosheng Liu The latitudinal dependence in the trend of snow event to precipitation event ratio
description	Abstract Precipitation phase is expected to shift from solid to liquid with temperature rising, which would in turn bring challenges to regional water resource management. Although in recent decades, consistent decreasing trends in the ratio of snowfall to precipitation rate in a warming climate have been found across multiple regions, a global view of the trends in the precipitation partitioning has not been established. In this study, we investigated the global trends of annual rain and snow frequency of occurrences and the ratio of number of snow events to number of precipitation events (SE/PE ratio) using land station and shipboard synoptic present weather reports from 1978 to 2019. Results show that when averaged over all qualified land stations and over the shipboard reports, both the annual rain frequency and snow frequency decrease over the 42 years. Over both land and ocean, the averaged SE/PE ratio has a significant decreasing trend. Moreover, the trend of SE/PE ratio shows a strong latitudinal dependence. At the mid- and low latitudes in the Northern Hemisphere, the SE/PE ratio has a decreasing trend. In contrast, at high latitudes, the SE/PE ratio has an increasing trend.
format	article
author	Shangyong Shi Guosheng Liu
author_facet	Shangyong Shi Guosheng Liu
author_sort	Shangyong Shi
title	The latitudinal dependence in the trend of snow event to precipitation event ratio
title_short	The latitudinal dependence in the trend of snow event to precipitation event ratio
title_full	The latitudinal dependence in the trend of snow event to precipitation event ratio
title_fullStr	The latitudinal dependence in the trend of snow event to precipitation event ratio
title_full_unstemmed	The latitudinal dependence in the trend of snow event to precipitation event ratio
title_sort	latitudinal dependence in the trend of snow event to precipitation event ratio
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/1fbff2cabab64cd7b75a7aef99015a68
work_keys_str_mv	AT shangyongshi thelatitudinaldependenceinthetrendofsnoweventtoprecipitationeventratio AT guoshengliu thelatitudinaldependenceinthetrendofsnoweventtoprecipitationeventratio AT shangyongshi latitudinaldependenceinthetrendofsnoweventtoprecipitationeventratio AT guoshengliu latitudinaldependenceinthetrendofsnoweventtoprecipitationeventratio
_version_	1718387495037566976

The latitudinal dependence in the trend of snow event to precipitation event ratio

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