| |
| | Odra Catchment |
 | | In the longitudinal profile of the river two significant parts can be distinguished: the mountain part of the first 50 km of the river, with the slope exceeding 0.7% and the lowland part in the remaining part with the slope 0.30-0.45%. |
 | | One of the largest river systems of the left side catchment of the Odra river, which influence on the flow of the Odra river, is the Kaczawa catchment. |
 | | Floods in the upper and middle Odra catchment occurred in the 19th century in the years: 1813 (the largest), 1829, 1854,1880, 1891, 1894, 1896, and in the 20th century in the years: 1902, 1903, 1958, 1965, 1970, 1972, 1977, 1981, 1985, 1997. |
| projects.dhi.dk /floodrelief/odracatchment.htm (864 words) |
|