Page 23 - Water and DSİ

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22
CHAPTER II - LAND & WATER RESOURCES
Turkey is divided into 25 surface hydrological basins. Annual average flows of these basins
amount to about 186 km
3
. While basin yields vary, the Euphrates and Tigris basin account for
28.4% of total potential of the country.
Name of Basin
Precipitation
Area
(km
2
)
Mean Annual
Runoff
(km
3
)
Potential
Sharing
Ratio
Mean Annual
Yield
(l/s/ km
2
)
(21) Euphrates -Tigris Basin
184,918
52.94
28.4
21.4
(22) East Black Sea Basin
24,077
14.90
8.0
19.5
(17) East Mediterranean Basin
22,048
11.07
6.0
15.6
(09) Antalya Basin
19,577
11.06
5.9
24.2
(13) West Black Sea Basin
29,598
9.93
5.3
10.6
(08) West Mediterranean Basin 20,953
8.93
4.8
12.4
(02) Marmara Basin
24,100
8.33
4.5
11.0
(18) Seyhan Basin
20,450
8.01
4.3
12.3
(20) Ceyhan Basin
21,982
7.18
3.9
10.7
(15) Kızılırmak Basin
78,180
6.48
3.5
2.6
(12) Sakarya Basin
58,160
6.40
3.4
3.6
(23) Çoruh Basin
19,872
6.30
3.4
10.1
(14) Yeşilırmak Basin
36,114
5.80
3.1
5.1
(03) Susurluk Basin
22,399
5.43
2.9
7.2
(24) Aras Basin
27,548
4.63
2.5
5.3
(16) Konya Closed Basin
53,850
4.52
2.4
2.5
(07) Büyük Menderes Basin
24,976
3.03
1.6
3.9
(25) Van Lake Basin
19,405
2.39
1.3
5.0
(04) North Aegean Basin
10,003
2.90
1.1
7.4
(05) Gediz Basin
18,000
1.95
1.1
3.6
(01) Meriç-Ergene Basin
14,560
1.33
0.7
2.9
(06) Küçük Menderes Basin
6,907
1.19
0.6
5.3
(19) Asi Basin
7,796
1.17
0.6
3.4
(10) Burdur Lakes Basin
6,374
0.50
0.3
1.8
(11) Akarçay Basin
7,605
0.49
0.3
1.9
TOTAL
(1 km
3
=1 billion m
3
)
779,452
186.86
100