Table 3. Results of the water security indices for Istanbul’s water transfers.
| Istranca Streams (Istrancalar, Kazandere, and Pabuçdere) - Tekirdağ and Kırklareli | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2000–2011 | ||||||||||||
| 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | |
| Transfer amount (million m3/year) | ||||||||||||
| Istranca | 117.53 | 199.01 | 141.95 | 93.29 | 92.989 | 86.86 | 85.95 | 116.09 | 78.75 | 126.15 | 104.64 | 90.92 |
| Natural efficiency (DIO, transfer-in –transfer-out) | ||||||||||||
| Istranca | −0.0219 | −0.0372 | −0.0265 | −0.0159 | −0.0159 | −0.0127 | −0.0125 | −0.0046 | −0.0017 | −0.0027 | −0.0022 | −0.0019 |
| Social efficiency (SRI, thousand people x Mm−3) | ||||||||||||
| Istanbul | −27.82 | −16.49 | −22.41 | −30.39 | −30.26 | −26.36 | −26.05 | −5.100 | −3.84 | −2.31 | −2.63 | −3.03 |
| Tekirdağ and Kırklareli | −0.7491 | −0.4329 | −0.5669 | −0.7733 | −0.7493 | −0.6401 | −0.6218 | −0.1191 | −0.0875 | −0.0515 | −0.0633 | −0.0713 |