Pyoza River
BW
Position of Pjosa (English Pyoza ) in the catchment area of the mesas
Template: Infobox River / Obsolete
Template: Infobox River / BILD_fehlt
Template: Infobox River / BILD_fehlt
The Pjosa (Russian Пёза, also Pesa ) is a 363 km long right tributary of the mesas in the northeast of the European part of Russia.
Course
The Pjosa produced in 61 m height on the western flank of the northern Timanrückens from coming in from the right and the Rotschuga Bludnaja from the left. The several dozen kilometers of the source rivers originate in the higher elevations of the Timanrückens at about 200 m. The Pjosa flows in a westerly direction, in a wide valley strongly meandering the extreme north-east of the mainland part of the Arkhangelsk Oblast. It opens above the village Dorogorskoje in only 4 m height in the mesas, some 30 km southeast of the small town of Messines.
The main tributaries are Zjema, Tscheza and Njafta from the left and from the right Loftura. In the catchment area of the river there are a large number of lakes.
Hydrographic
The catchment area of 15,100 km ² comprises Pjosa. In estuaries near the river reaches a width of more than 250 meters at a depth of up to two meters; the flow rate is in this case 0.3 m / s
The Pjosa freezes from November through to the first half of May. The water flow at the measuring point Igumnowo, 66 km upstream of the estuary near the village Bytschje, is an annual average of 123 m³ / s with a minimum monthly average of 20.3 m³ / s in March and a maximum monthly average of 547 m³ / s in May and an absolute maximum of more than 2,500 m³ / s
Infrastructure
The Pjosa is navigable for 301 km at high water level from Safonowo.
Cities, there are not along the river, but the rural settlements Safonowo, Mossejewo and Bytschje with a number of districts. The villages on the upper and middle reaches are accessible in summer only by water, in winter a ice road on the Pjosa because all year motorable roads - are missing in the area - except after Bytschje. The road that leads up from the town of Messines the right bank of the river the mesas to the mouth of its largest tributary Waschka at Leschukonskoje, crosses the Pjosa near its mouth by a car ferry.