Sample No.

δ¹⁸O‰

δ²H‰

3

5.5

47

4

0.9

7

7

−8.7

−67

9

−8.8

−68

10

−10.2

−74

22

−6.4

−59

26

−7.1

−64

29

2.3

16

17

2.1

15

Agricultural drainage

4.7

33

Irrigation canal

3.9

21

Paleo Nile (Awad et al., 1994)

−0.6

4.3

Rain (Sultan et al., 2011)

−3.5

−8.9