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Mandau River is a river in Riau province of central Sumatra island, Indonesia, about 1,000 km northwest of the capital Jakarta. [ 1 ] [ 2 ] It is a tributary of the Siak River . Geography
The Siak (Sungai Siak) is a river of Riau province, in the east of Sumatra, Indonesia, about 1000 km northwest of the capital Jakarta. [2] Approximately 370 kilometres in length, the Siak is a blackwater river which owes its brown color to dissolved organic matter (DOM) leached from surrounding, heavily disturbed peat soils; it is heavily polluted, notably by the petroleum industry.
The shapefile format is a geospatial vector data format for geographic information system (GIS) software.It is developed and regulated by Esri as a mostly open specification for data interoperability among Esri and other GIS software products. [1]
Kumu River is a river in Riau province, central-eastern Sumatra, Indonesia, about 1,100 km northwest of the capital Jakarta. [ 1 ] [ 2 ] It is a tributary of the Rokan River . Geography
The river originates in the Barisan Mountains in the west, and drains northeast-ward along Rokan Hulu Regency and Rokan Hilir Regency with estuarine located near the port town of Bagansiapiapi draining the water to Malacca Strait.
Siak (Jawi: سياك ), is a regency (kabupaten) of Riau Province, on the island of Sumatra, Indonesia.It has an area of 8,556.09 km 2 and had a population of 376,742 at the 2010 Census [3] and 457,940 at the 2020 Census; [4] the official estimate as at mid 2023 was 480,169, comprising 246,489 males and 233,680 females. [2]
Sungai Guntung is located at the western side of Kateman Island (Indonesian: Pulau Kateman), with the coordinates of 0°17'44" N and 103°36'41" E. Administratively, it is part and the seat of Kateman District (kecamatan), itself part of the Indragiri Hilir Regency. The kelurahan covers an area of 29.73 square kilometers.
The Indragiri River is a river in Sumatra, in the Indonesian province of Riau, about 800 km northwest of the capital Jakarta. [2] [3] Formed by the union of the Ombilin River and the Sinamar River, the Indragiri empties into the Strait of Malacca. The middle part that flows in the Kuantan Singingi Regency is called Batang Kuantan (Kuantan River ...