Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Petroglyphs of Lake Onega and the White Sea' has mentioned 'Water' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| depth127xc2xa0m (417xc2xa0ft)Water volume285xc2xa0km3 (68xc2xa0cuxc2xa0mi)Surface elevation33xc2xa0m (108xc2xa0ft)Islands1,369 (Kizhi Island)SettlementsKondopoga, Medvezhyegorsk, Petrozavodsk, Pindushi, Povenets | WIKI |
| The water level is stabilized by the Verhnesvirskaya hydropower plant[8] and varies by only 0.9xe2x80x931.5xc2xa0m (2xc2xa0ft 11xc2xa0inxe2x80x934xc2xa0ft 11xc2xa0in) over the year. | WIKI |
| The highest water level is in Junexe2x80x93August and the lowest is in Marchxe2x80x93April. | WIKI |
| Rivers bring 15.6xc2xa0km3 (3.7xc2xa0cuxc2xa0mi) of water per year to the lake, that is up to 74% of the water balance; the rest is provided by precipitation. | WIKI |
| Most of the lake water (84% or 17.6xc2xa0km3xc2xa0[4.2xc2xa0cuxc2xa0mi] per year) outflows via a single river, Svir, and the remaining 16% evaporates from the lake surface. | WIKI |
| [1] Water in the deep parts is clear, with the visibility up to 7xe2x80x938xc2xa0m (23xe2x80x9326xc2xa0ft). | WIKI |
| The water is fresh, with a salinity of 35xc2xa0mg/L. | WIKI |
| The maximum surface water temperature is 20xe2x80x9324xc2xa0xc2xb0C (68xe2x80x9375xc2xa0xc2xb0F) on the open lake and 24xe2x80x9327xc2xa0xc2xb0C (75xe2x80x9381xc2xa0xc2xb0F) in the bays. | WIKI |
| The lake banks are low and are flooded with raising water level. | WIKI |
| Lake Onega features a large variety of fish and water invertebrates, including relicts of the glacial period such as lamprey. | WIKI |
| The pollution from these three cities amount to about 190xc2xa0million cubic metres (6.7xc2xa0billion cubic feet) of sewage and drainage water and 150 tonnes (170 short tons) of emissions per year. | WIKI |
| Human activity results in about 315xc2xa0million cubic metres (11.1xc2xa0billion cubic feet) of drain water per year, of which 46% are industrial and household water, 25% is stormwater runoff and 16% is melioration-related drainage. | WIKI |
| [15] Water level of the lake is controlled by the Nizhnesvirskaya (Russian: xd0x9dxd0xb8xd0xb6xd0xbdxd0xb5xd1x81xd0xb2xd0xb8xd1x80xd1x81xd0xbaxd0xb0xd1x8f xd0x93xd0xadxd0xa1, "Lower Svir") and Verkhnesvirskaya (Russian: xd0x92xd0xb5xd1x80xd1x85xd0xbdxd0xb5xd1x81xd0xb2xd0xb8xd1x80xd1x81xd0xbaxd0xb0xd1x8f xd0x93xd0xadxd0xa1, "Upper Svir") hydroelectric power plants. | WIKI |
| Its construction raised the water level of the lake by 0.5xc2xa0m (20xc2xa0in). | WIKI |
| These canals allow water transport of goods from the lake to the countries from Germany to Iran; most traffic goes to Finland, Sweden, Germany and Denmark. | WIKI |