The Trombetas is a river on the northern side of the Amazon River. "Riverine" redirects here For the use of that term in Maritime geography, see there The Amazon River (Rio Amazonas Río Amazonas of South America is the largest river in the world by volume with a total river flow greater than the next top ten largest rivers Its confluence with the Amazon is just north of the town of Óbidos, Pará. Confluence, in Geography, describes the meeting of two or more Bodies of water. There is also a town named Óbidos in Portugal See Óbidos Portugal. It has its sources in the Guyana highlands, but its long course is frequently interrupted by violent currents, rocky barriers, and rapids. The Guiana Shield (Guayana is one of the three Cratons of the South American Plate. A current, in a River or Stream, is the Flow of Water influenced by Gravity as the water moves Downhill to reduce its RAPID is an acronym for Rural Address Property IDentification a scheme instituted in New Zealand to assist emergency services in identifying and locating rural properties The inferior zone of the river, as far up as the first fall, the Porteira, has but little broken water and is low and swampy; but above the long series of cataracts and rapids the character and aspect of the valley completely change, and the climate is much better. A swamp is a Wetland featuring temporary or permanent inundation of large areas of land by shallow bodies of water In Geology, a valley (also called a vale, dale, glen or strath and near or in Appalachia, a draw) is Climate encompasses the temperatures humidity rainfall atmospheric particle count and numerous other meteorogical factors in a given region over long periods of The river is navigable for 135 miles above its mouth. A body of water such as a River, Canal or Lake, is navigable if it is deep wide and slow enough for a vessel to pass and there are no obstructions like
This article incorporates text from the Encyclopædia Britannica Eleventh Edition, a publication now in the public domain. The Encyclopædia Britannica Eleventh Edition (1910–1911 is a 29-volume reference work that marked the beginning of the Encyclopædia Britannica The public domain is a range of abstract materials &ndash commonly referred to as Intellectual property &ndash which are not owned or controlled by anyone