47 / 112
47
0
2
4
6
8
10
0
20
40
60
80
100
1987 1990
1995
2000
2004
Istanbul Population
Millions
Percentage of
Wastewater Treated
0
1
0,1
0,01
10
100
1 000
10 000
2
0
1970 1985
2000 2005
4
6
8
10
12
Dissolved oxygen at the water surface
Milligrams of oxygen per litre
Inner estuary
Outer estuary
1970 1985
2000 2005
Inner estuary
Outer estuary
...and after
Fecal coliform at the water surface
Thousands of coliform per millilitre
Sources: Coleman, H., M.,
et al., Restoration of the
Golden Horn Estuary (Halic),
2009;
Alpar, B., et al.,
Environmental and Hydrological Management of the
Golden Horn Estuary, Istanbul, 2005,
Yerliyurt and
Hamamcioglu
, Entertainment and Culture Base Marketing
of Cities in the Unifiyng World; Golden Horn Culture Valley
Project, Istanbul, 2005.