Geographers most often refer to the two together, as the Ob-Irtysh River. Other large tributaries include the Tom, the Chulym, the Ket, the Tym, the Vakh, the Vasyugan, and the Sosva. But only the Irtysh, as the main tributary, gets its name in the title.
www.socialstudiesforkids.com/articles/geography/obirtys... www.socialstudiesforkids.com/articles/geography/obirtyshriver.htm
How do we measure these rivers? Geographers calculate the distance from the source of the river to its mouth. For instance, the Ob-Irtysh River, which is Number 7 on the list, is 3,354 miles long from its source in southern Russia to its mouth in the Ob Bay, in the very cold waters off northern Russia.
www.socialstudiesforkids.com/articles/geography/longest... www.socialstudiesforkids.com/articles/geography/longestriversintheworld.htm
Ob River - Wikipedia, the free encyclopedia
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The Ob River (Russian: ), also Obi , is a major river in western Siberia, Russia. It is the country's fourth longest. The Ob River also has the longest estuary in the world. The Ob is known to the...
en.wikipedia.org/wiki/Ob_River
Irtysh River - Wikipedia, the free encyclopedia
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The Irtysh River (Russian: ; Kazakh: Ertis / Ертiс ; Tatar Cyrillic: , Latin: ; Chinese: É'ěrqísī hé / 额尔齐斯河 ) is a river in Siberia and is the chief tributary of the river Ob. Its name means Wh...
en.wikipedia.org/wiki/Irtysh_River
Bodies of Water question: What continent is Ob-Irtysh river on? Ob-Irtysh is Aisa Ob- Irtysh is in Asia ... Were is ob-Irtysh? Where is ob - irtysh? Whee is Ob-Irtysh RIver? Ob irtysh river location? Ob irtysh river is where? Where is the Ob Irtysh at? Where is ob-irtysh located? Location of Ob-irtysh river?
wiki.answers.com/Q/What_continent_is_Ob-Irtysh_river_on wiki.answers.com/Q/What_continent_is_Ob-Irtysh_river_on
Lakes and Rivers question: What is the length of the river ob-irtysh USSR? It is 3,362miles ... How long is the Ob-Irtysh river? Where is Ob-irtysh river located? The ob-irtysh river is important because? What country does the river Irtysh belong to?
wiki.answers.com/Q/What_is_the_length_of_the_river_ob-i... wiki.answers.com/Q/What_is_the_length_of_the_river_ob-irtysh_USSR
The Ob-Irtysh River is the seventh longest river in the world. ... The Ob-Irtysh River is the 7th longest river in the world at 3,364 miles. It originates at the junction of the Biya and Katun rivers, in the Altai Mountains in Western Siberia, Russia and ends in the Gulf of Ob which is a long bay of the Kara Sea which...
scienceray.com/earth-sciences/physical-geography/ob-irt... scienceray.com/earth-sciences/physical-geography/ob-irtysh-river/
[Opisthorchiasis in the Ob-Irtysh river basin: etiology and pathogenesis] ... Opisthorchiasis in the hyperendemic focus (Ob-Irtysh river basin) is considered to be a co-member of parasitocenosis: opisthorchiasis + methorchiasis and to have a superinvasive form. The symbiotic flora and O. felines metabolites are...
www.ncbi.nlm.nih.gov/pubmed/18277416?dopt=Abstract
Nature. One of the largest river systems of the world (with tributaries). Irtysh takes the beginning in China, Ob - in Altay and falls into Arctic ocean. Plain river areas and a large sea area near the mouth (Obskaya guba).
www.riverships.ru/english/rivers/ob_irtysh.shtml www.riverships.ru/english/rivers/ob_irtysh.shtml
The Irtysh river is one of the big rivers in Asia measuring 4.284 km in length. Its first 500 km the river flows through China the next 1.700 km through Kazakh Republic and the last 2.000 km through Russia where the Irtysh flows into the Ob river.
www.rivernet.org/ob/irtysh.htm www.rivernet.org/ob/irtysh.htm