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| Titel |
Spatial distribution of Oxygen-18 and Deuterium in precipitation in Morocco |
| VerfasserIn |
Hamid Marah, Fouad Taous, Mohamed Qurtobi, Bouchera Ouda, Fatima Raibi |
| Konferenz |
EGU General Assembly 2010
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| Medientyp |
Artikel
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| Sprache |
Englisch
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| Digitales Dokument |
PDF |
| Erschienen |
In: GRA - Volume 12 (2010) |
| Datensatznummer |
250044266
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| Zusammenfassung |
| Stable isotopes of hydrogen and oxygen are being increasingly used in a variety of
applications in the fields of earth’s water cycle and climate changes. Such studies require
that the isotopic composition of precipitation be known. In this work we report
the first national-level survey of δ18O and δ2H in precipitation, including results
from 7 stations distributed across the north and centre of Morocco where δ18O
and δ2H were measured monthly and daily from 1994 until now. Results allow
determining the Local Meteoric Water line (LMWL) for each station and a map of spatial
variability of δ18O and δ2H using ArcGIS. The result shows that the distance of the
station from the sea (Atlantic and Mediterranean) and the altitude are the main
factors influenced in the isotopic composition of precipitation. Those LMWLs and
maps will provide a valuable contribution for future studies that use stable isotopes. |
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