A 15-year record of seasonal variation in the isotopic composition of precipitation water over continental Portugal

The Nuclear and Technological Institute (Instituto Tecnológico e Nuclear—ITN) in cooperation with the International Atomic Energy Agency (IAEA) has been conducting a nationwide survey of hydrogen ( 2 H/ 1 H) and oxygen ( 18 O/ 16 O) isotopic composition of monthly precipitation since 1988. This pape...

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Bibliographic Details
Published in:Journal of radioanalytical and nuclear chemistry 2009-07, Vol.281 (1), p.153-156
Main Authors: Carreira, P. M., Nunes, D., Valério, P., Araújo, M. F.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Diagnostic Radiology
Hadrons
Heavy Ions
Inorganic Chemistry
Nuclear Chemistry
Nuclear Physics
Physical Chemistry
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Summary:The Nuclear and Technological Institute (Instituto Tecnológico e Nuclear—ITN) in cooperation with the International Atomic Energy Agency (IAEA) has been conducting a nationwide survey of hydrogen ( 2 H/ 1 H) and oxygen ( 18 O/ 16 O) isotopic composition of monthly precipitation since 1988. This paper focuses on basic features of spatial and temporal distribution of δ 18 O and δ 2 H in the precipitation over Continental Portugal derived from ITN database. Phenomenological relationships between stable isotopes composition of precipitation and various climate-related parameters (local air temperature, distance to the Atlantic coast, altitude, amount of precipitation) are established and discussed.
ISSN:0236-5731
1588-2780
DOI:10.1007/s10967-009-0064-0