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The Irtysh is a chief tributary of the Ob river and is also the longest tributary river in the world with a length of 4,248 km (2,640 mi). The Madeira River is the largest tributary river by volume in the world with an average discharge of 31,200 m 3 /s (1.1 million cu ft/s).
The bunga mas, a form of tribute sent to the King of Ayutthaya from its vassal states in the Malay Peninsula. A tributary state is a pre-modern state in a particular type of subordinate relationship to a more powerful state which involved the sending of a regular token of submission, or tribute, to the superior power (the suzerain). [1]
Side valleys and tributary valleys are valleys whose brooks or rivers flow into greater ones. Upstream, the valleys can be classified in an increasing order which is equivalent to the usual orographic order : the tributaries are ordered from those nearest to the source of the river to those nearest to the mouth of the river .
This glossary of geography terms is a list of definitions of terms and concepts used in geography and related fields, including Earth science, oceanography, cartography, and human geography, as well as those describing spatial dimension, topographical features, natural resources, and the collection, analysis, and visualization of geographic ...
Each headwater is considered one of the river's sources, as it is the place where surface runoffs from rainwater, meltwater and/or spring water begin accumulating into a more substantial and consistent flow that becomes a first-order tributary of that river. The tributary with the longest course downstream of the headwaters is regarded as the ...
Yazoo stream [1]. A Yazoo stream (also called a Yazoo tributary [2]) is a geologic and hydrologic term for any tributary stream that runs parallel to, and within the floodplain of a larger river for considerable distance, before eventually joining it.
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The Mississippi River drainage basin with the mainstem highlighted in dark blue. In hydrology, a main stem or mainstem (also known as a trunk) is "the primary downstream segment of a river, as contrasted to its tributaries".