Data Descriptor: Daily observations of stable isotope ratios of rainfall in the tropics

Niels C. Munksgaard, Naoyuki Kurita, Ricardo Sánchez-Murillo, Nasir Ahmed, Luis Araguas, Dagnachew L. Balachew, Michael I. Bird, Supriyo Chakraborty, Nguyen Kien Chinh, Kim M. Cobb, Shelby A. Ellis, Germain Esquivel-Hernández, Samuel Y. Ganyaglo, Jing Gao, Didier Gastmans, Kudzai F. Kaseke, Seifu Kebede, Marcelo R. Morales, Moritz Mueller, Seng Chee PohVinícius Dos Santos, He Shaoneng, Lixin Wang, Hugo Yacobaccio, Costijn Zwart

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Abstract

We present precipitation isotope data (δ2H and δ18O values) from 19 stations across the tropics collected from 2012 to 2017 under the Coordinated Research Project F31004 sponsored by the International Atomic Energy Agency. Rainfall samples were collected daily and analysed for stable isotopic ratios of oxygen and hydrogen by participating laboratories following a common analytical framework. We also calculated daily mean stratiform rainfall area fractions around each station over an area of 5° x 5° longitude/latitude based on TRMM/GPM satellite data. Isotope time series, along with information on rainfall amount and stratiform/convective proportions provide a valuable tool for rainfall characterisation and to improve the ability of isotope-enabled Global Circulation Models to predict variability and availability of inputs to fresh water resources across the tropics.

Original languageEnglish
Article number14419
Pages (from-to)1-7
Number of pages7
JournalScientific Reports
Volume9
Issue number1
DOIs
Publication statusPublished - 8 Oct 2019

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