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01.11.2016 | Original Article

Synoptic variation of stable isotopes in precipitation and ground level vapour in a humid tropical region, Kerala, India

verfasst von: Ahmed Shahul Hameed, Thoppil Ramakrishnan Resmi, Mohan Praveenbabu, Maroli Sudheesh, Rajendrakumar Dattatraya Deshpande

Erschienen in: Environmental Earth Sciences | Ausgabe 21/2016

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Abstract

The controlling factors of spatio-temporal variation in δ¹⁸O and δD composition of rainwater and the rain–vapour interaction in the southern, middle and northern regions of Kerala, India, are presented. The isotopic distribution (δ¹⁸O) of rainfall ranged between 0 and −6‰ during January to September and between −6 to −12‰ during October to December. The rain during post-monsoon season has significant contribution to recycled vapour. Evaporation from falling raindrops is significant despite high relative humidity. The sudden isotopic depletion of ground level vapour from baseline isotopic composition is due to interaction and isotopic exchange with falling raindrops.

Vorheriger Artikel Effects of interface connections on narrowed mechanically stabilized earth walls

Nächster Artikel Three Gorges Reservoir: metal pollution in surface water and suspended particulate matter on different reservoir operation periods

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Titel: Synoptic variation of stable isotopes in precipitation and ground level vapour in a humid tropical region, Kerala, India
verfasst von: Ahmed Shahul Hameed
Thoppil Ramakrishnan Resmi
Mohan Praveenbabu
Maroli Sudheesh
Rajendrakumar Dattatraya Deshpande
Publikationsdatum: 01.11.2016
Verlag: Springer Berlin Heidelberg
Erschienen in: Environmental Earth Sciences / Ausgabe 21/2016
Print ISSN: 1866-6280
Elektronische ISSN: 1866-6299
DOI: https://doi.org/10.1007/s12665-016-6233-x

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