Volvi lake
| Volvi lake | ||
|---|---|---|
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| Shores of Lake Volvi | ||
| Geographical location | Greece | |
| Tributaries | Olynthiakos , Ammites | |
| Drain | Richios | |
| Places on the shore | Megali Volvi , Mikri Volvi , Peristeronas , Nea Apollonia , Apollonia , Kokkalou , Nea Maditos , Modi , Rendina | |
| Location close to the shore | Langkadikia , Stavros | |
| Data | ||
| Coordinates | 40 ° 40 ′ 54 ″ N , 23 ° 28 ′ 2 ″ E | |
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| Altitude above sea level | 37 m | |
| surface | 68.6 km² | |
| Maximum depth | 22.3 m | |
| Middle deep | 13.5 m | |
The Lake Volvi ( Greek λίμνη Βόλβη spoken limni Volvi ; . Mazedon / . Bulgar name Бесичко Езеро spoken Besicko Ezero ) is a natural lake in the region Mygdonia (Mydonia) in the Regional District Thessaloniki administrative region of Central Macedonia in northern Greece .
The water surface is 37 m above sea level, which is 38 m lower than the neighboring Koronia Lake in the west . Lake Volvi is the second largest natural lake in Greece after Lake Trichonida with an area of 68.6 square kilometers. The average depth is 13.5 and a maximum of 22.3 meters. This makes Lake Volvi one of the deeper lakes in Greece. The water content of the lake is calculated to be 940 · 10 6 cubic meters. Also after the surface, Lake Volvi is the second largest natural lake in Greece. Its catchment area amounts to 1,247 km².
Because of its depth, the Volvi Lakes have lower mean water temperatures than other Greek lakes. The mean water temperature is 6.8 ° C, the maximum is 29 ° C. Lake Volvi is considered a warm, monomictic lake. According to hydrobiological criteria, the lake is meso- to eutrophic. Lake Volvi is the second highest alkalinity lake in Greece after Lake Koronia.
Lake Volvi lies in a depression between the Chalkidiki peninsula and the Stratoniko and Chortiatis massifs in the south and the Vertsikos and Kerdilio mountain ranges in the north. The valley of Rendina connects to the lake to the east, and to the west the lake is separated from Lake Koronia by a headland . Around 1,000,000 years ago, Lake Volvi and Lake Koronia formed a common large lake that drained through the valley of Rendina to the east into the Strymonian Gulf of the Aegean Sea. In the further course the two lakes in the Mygdonian Depression were separated, and the runoff into the Aegean also dried up.
National road 2 runs south of the lake and motorway 2 (Egnatia Odos) north of the lake . There are the two small villages Megali Volvi and Mikri Volvi. In the southwest is the village of Peristeronas. On the south bank is the small town of Nea Apollonia , in the vicinity of which there are also the remains of the ancient settlement of Apollonia . There are also the villages of Apollonia , Kokkalou and Nea Maditos. The villages of Modi and Rendina are on the east coast directly in front of the valley of the same name. The ancient settlement of Bolbos (Latin: Bolbus) was also on the shores of Lake Volvi, but its exact location is currently unknown.
Like Lake Koronia, Lake Volvi is also exposed to silting processes, but to a much lesser extent. The isthmus between Lake Koronia and Lake Volvi is growing accordingly. The tributaries of the lake are Olynthiakos and Ammites, the outflow of the lake into the Strymonic Gulf ( Aegean Sea ) was already described by Thucydides , but not named. In accordance with the description of Procopius, it should have been the river Richios (Ρήχιος ποταμός, Erechios, Latin. Rechius).
Web links
Individual evidence
- ↑ a b N. T. Skoulikidis, I. Bertahas, T. Koussouris: The environmental state of freshwater resources in Greece (rivers and lakes). In: Environmental Geology. Volume 36, No. 1-2, November 1998, pp. 1 ff.
- ↑ T. Sawidis: Radioactive Pollution in Freshwater Ecosystems from Macedonia, Greece. In: Arch Environ Contam Toxicol . Volume 30, 1996, pp. 100-106.
- ↑ K. Fytianos, A. Kotzakoti: Sequential Fractionation of Phosphorus in Lake Sediments of Northern Greece. In: Environmental Monitoring and Assessment. Volume 100, 2005, pp. 191-200.