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A tributary, [1] or an affluent, [2] is a stream or river that flows into a larger stream (main stem or "parent"), river, or a lake. [3] A tributary does not flow directly into a sea or ocean. [4] Tributaries, and the main stem river into which they flow, drain the surrounding drainage basin of its surface water and groundwater, leading the ...
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] This token often took the form of a substantial transfer of wealth, such as the delivery of gold, produce, or slaves ...
Suzerainty (/ ˈsuːzərənti, - rɛnti /) includes the rights and obligations of a person, state, or other polity which controls the foreign policy and relations of a tributary state but allows the tributary state internal autonomy. [1][2] Where the subordinate party is called a vassal, vassal state, or tributary state, the dominant party is ...
Vassal and tributary states of the Ottoman Empire in 1590. The Ottoman Empire (1299–1923) controlled a number of tributary or vassal states in the peripheral areas of its territory. Vassalage took a number of different forms with some states permitted to elect their own leaders. Other states paid tribute for their lands.
River source. River Wey near its source at Farringdon. The headwater of a river or stream is the farthest point on each of its tributaries upstream from its mouth / estuary into a lake / sea or its confluence with another river. Each headwater is considered one of the river's sources, as it is the place where surface runoffs from rainwater ...
A diagram of a possible river with the Strahler number of each tributary labeled. In hydrology, a stream order is a positive integer used to describe the level of river branching in a drainage basin. [20] Several systems of stream order exist, one of which is the Strahler number. In this system, the first tributaries of a river are 1st order ...
A tribute (/ ˈtrɪbjuːt /; [1] from Latin tributum, "contribution") is wealth, often in kind, that a party gives to another as a sign of submission, allegiance or respect. Various ancient states exacted tribute from the rulers of lands which the state conquered. In the case of alliances, lesser parties may pay tribute to more powerful parties ...
e. An estuary is a partially enclosed coastal body of brackish water with one or more rivers or streams flowing into it, and with a free connection to the open sea. [1] Estuaries form a transition zone between river environments and maritime environments and are an example of an ecotone. Estuaries are subject both to marine influences such as ...