Morphology, Water Temperature and Climate

General features of the urban lake Alte Donau and its surroundings are described. As a cut-off arm of the former main channel of the River Danube, the lake has several unique morphometric features. These characteristics are outlined, tabulated and discussed, including the depth contours and the hydrology. Development and characteristics of water temperature, as well as the general climatic situation of the city district and the lake area in particular are discussed.