Table 1 The aggradation areas (i.e. islands and sand bars: Chwałowice Island, Opoka Island and Kłudzie Island) in the investigated stretch of the River Wisła (Vistula), based on historical maps and aerial photographs.
Island | Date | Island isolated | Sandbars | Resource type | Sourcea | Water levelb |
|---|---|---|---|---|---|---|
Kłudzie Island | 18.05.2017 | Yes | Yes | aerial photo | 1 | 294 |
05.06.2015 | Yes | Yes | aerial photo | 1 | 288 | |
22.05.2012 | Yes | Yes | aerial photo | 1 | 271 | |
01.04.2009 | High water | High water | aerial photo | 1 | 492 | |
08.05.2003 | Yes | Yes | aerial photo | 1 | 280 | |
20.05.1999 | Yes | Yes | aerial photo | 1 | 283 | |
18.07.1983 | High water | High water | aerial photo | 1 | 457 | |
06.06.1982 | No (connection with groynes) | Yes | aerial photo | 1 | 255 | |
04.06.1979 | No (connection with groynes) | Yes | aerial photo | 1 | 269 | |
28.04.1975 | Yes | Yes | aerial photo | 1 | 332 | |
1938 | No island | Yes | map | 2 | No data | |
1872 | Yes | Yes | map | 3 | No data | |
1801–1804 | different course of the river | (the river meandered) | map | 5 | No data | |
Opoka Island | 08.08.2018 | Yes | Yes | aerial photo | 1 | 235 |
19.05.2017 | Yes | Yes | aerial photo | 1 | 286 | |
07.06.2015 | Yes | Yes | aerial photo | 1 | 269 | |
15.06.2012 | Yes | High water | aerial photo | 1 | 361 | |
05.04.2009 | Yes | High water | aerial photo | 1 | 401 | |
08.05.2003 | Yes | Yes | aerial photo | 1 | 280 | |
20.05.1999 | Yes | Yes | aerial photo | 1 | 283 | |
30.06.1997 | Yes | Yes | aerial photo | 1 | 271 | |
28.04.1975 | Yes | Yes | aerial photo | 1 | 332 | |
1938 | ? | Yes | map | 2 | No data | |
1893 | No | Yes | map | 2 | No data | |
1869–1887 | ? | ? | map | 4 | No data | |
1801–1804 | Yes | Yes | map | 5 | No data | |
Chwałowice Island | 08.08.2018 | No | Yes | aerial photo | 1 | 235 |
29.05.2017 | Yes | Yes | aerial photo | 1 | 270 | |
07.06.2015 | Yes | Yes | aerial photo | 1 | 269 | |
16.06.2012 | Yes | High water | aerial photo | 1 | 361 | |
05.04.2009 | High water | High water | aerial photo | 1 | 401 | |
06.06.1982 | Yes | Yes | aerial photo | 1 | 255 | |
30.07.1978 | Yes | Yes | aerial photo | 1 | 274 | |
28.04.1975 | No island | Yes | aerial photo | 1 | 332 | |
1938 | No island | Yes | map | 2 | No data | |
1872 | Yes | Yes | map | 3 | No data | |
1801–1804 | different course of the river | (the river meandered) | map | 5 | No data |
