Dear Henry:

You can find the values of two or three samples from the Nile River in each of the following references:

El Bakri A, Tantawi A, Blavoux B, and Dray M (1992) Sources of water recharge identified
by isotopes in El Miya Governate (Nile Valley, Middle Egypt). In: Isotope techniques
in Water Resources Development 1991, IAEA Symposium 319, March 1991, Vienna: 643-645
Gröning M, Sonntag C, Suckow A and Thorweihe U (1993) Isotopic evidence for extremely
low groundwater recharge in the Sahel zone of Sudan. In: Thorweihe U and Schandelmeier
H (eds) Geoscientific research in northeast Africa. Balkema, Rotterdam, pp 671-676
Haggaz YAS and Kheirallah KM (1988) Paleohydrology of the Nubian aquifer northeast of
the Blue Nile, near Khartoum, Sudan. J Hydrol 99: 117-125
Verhagen BTh, Geyh MA, Fröhlich K and Wirth K (1991) Isotope hydrological methods for
the quantitative evaluation of ground water resources in arid and semi-arid areas: development
of a methodology. Research reports of the federal ministry for economic cooperation of
Germany, Bonn, 153 pp
Vrbka P and Thorweihe U (1993) Hydrogeology of the Wadi El Milk-Wadi Muqaddam area,
northern Sudan. In: Thorweihe U and Schandelmeier H (eds) Geoscientific research in
northeast Africa. Balkema, Rotterdam, pp 693-698

Best wishes,


Elfatih Abdalla Farah, Dr. Sc.
Department of Geosciences,
Faculty of Science, Osaka City University
3-3-138 Sugimoto, Sumiyoshi-ku, Osaka 558-8585 Japan

-----Original Message-----
From:   Henry Schwarcz [SMTP:[log in to unmask]]
Sent:   Tuesday, March 16, 1999 2:04 AM
To:     [log in to unmask]
Subject:        Nile water isotopes

Does anyone know where I can find values for d18O of the Nile?

                Henry Schwarcz