Decadal surface temperature trends in India based on a new high-resolution data set

Abstract A new comprehensive surface temperature data set for India is used to document changes in Indian temperature over seven decades, in order to examine the patterns and possible effects of global warming. The data set is subdivided into pre-monsoon, monsoon, and post-monsoon categories in orde...

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Autores principales:	Robert S. Ross, T. N. Krishnamurti, Sandeep Pattnaik, D. S. Pai
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2018
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/3d4a892dcc9f422d9a9662e345a4a058
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spelling	oai:doaj.org-article:3d4a892dcc9f422d9a9662e345a4a0582021-12-02T11:40:34ZDecadal surface temperature trends in India based on a new high-resolution data set10.1038/s41598-018-25347-22045-2322https://doaj.org/article/3d4a892dcc9f422d9a9662e345a4a0582018-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-25347-2https://doaj.org/toc/2045-2322Abstract A new comprehensive surface temperature data set for India is used to document changes in Indian temperature over seven decades, in order to examine the patterns and possible effects of global warming. The data set is subdivided into pre-monsoon, monsoon, and post-monsoon categories in order to study the temperature patterns in each of these periods. When the decade means in maximum, minimum and daily mean temperature for the 2000s are compared to those of the 1950s, a consistent pattern of warming is found over northwestern and southern India, and a pattern of cooling is seen in a broad zone anchored over northeastern India and extending southwestward across central India. These patterns are explained by the presence of a large region of anthropogenic brown haze over India and adjacent ocean regions. These aerosols absorb solar radiation, leading to warming of the haze layer over northeastern and central India and to cooling of the surface air beneath. The heated air rises and then sinks to the north and south of the haze region over northwestern and southern India, warming the air by compression as it sinks in those regions. The possible impact of these temperature patterns on Indian agriculture is considered.Robert S. RossT. N. KrishnamurtiSandeep PattnaikD. S. PaiNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-10 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Robert S. Ross T. N. Krishnamurti Sandeep Pattnaik D. S. Pai Decadal surface temperature trends in India based on a new high-resolution data set
description	Abstract A new comprehensive surface temperature data set for India is used to document changes in Indian temperature over seven decades, in order to examine the patterns and possible effects of global warming. The data set is subdivided into pre-monsoon, monsoon, and post-monsoon categories in order to study the temperature patterns in each of these periods. When the decade means in maximum, minimum and daily mean temperature for the 2000s are compared to those of the 1950s, a consistent pattern of warming is found over northwestern and southern India, and a pattern of cooling is seen in a broad zone anchored over northeastern India and extending southwestward across central India. These patterns are explained by the presence of a large region of anthropogenic brown haze over India and adjacent ocean regions. These aerosols absorb solar radiation, leading to warming of the haze layer over northeastern and central India and to cooling of the surface air beneath. The heated air rises and then sinks to the north and south of the haze region over northwestern and southern India, warming the air by compression as it sinks in those regions. The possible impact of these temperature patterns on Indian agriculture is considered.
format	article
author	Robert S. Ross T. N. Krishnamurti Sandeep Pattnaik D. S. Pai
author_facet	Robert S. Ross T. N. Krishnamurti Sandeep Pattnaik D. S. Pai
author_sort	Robert S. Ross
title	Decadal surface temperature trends in India based on a new high-resolution data set
title_short	Decadal surface temperature trends in India based on a new high-resolution data set
title_full	Decadal surface temperature trends in India based on a new high-resolution data set
title_fullStr	Decadal surface temperature trends in India based on a new high-resolution data set
title_full_unstemmed	Decadal surface temperature trends in India based on a new high-resolution data set
title_sort	decadal surface temperature trends in india based on a new high-resolution data set
publisher	Nature Portfolio
publishDate	2018
url	https://doaj.org/article/3d4a892dcc9f422d9a9662e345a4a058
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Decadal surface temperature trends in India based on a new high-resolution data set

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