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The Hjulström curve, named after Filip Hjulström (1902–1982), is a graph used by hydrologists and geologists to determine whether a river will erode, transport, or deposit sediment. It was originally published in his doctoral thesis "Studies of the morphological activity of rivers as illustrated by the river Fyris. [1]" in 1935. The graph ...
A diagram showing the relationship for flow depth (y) and total Energy (E) for a given flow (Q). Note the location of critical flow, subcritical flow, and supercritical flow. The energy equation used for open channel flow computations is a simplification of the Bernoulli Equation (See Bernoulli Principle ), which takes into account pressure ...
Stream power, originally derived by R. A. Bagnold in the 1960s, is the amount of energy the water in a river or stream is exerting on the sides and bottom of the river. [1] Stream power is the result of multiplying the density of the water, the acceleration of the water due to gravity, the volume of water flowing through the river, and the ...
Governing equations are used to mathematically define the behavior of the system. Algebraic equations are likely often used for simple systems, while ordinary and partial differential equations are often used for problems that change in space in time. Examples of governing equations include:
This is a route-map template for the Kennebec River, a waterway in the United States.. For a key to symbols, see {{waterways legend}}.; For information on using this template, see Template:Routemap.
The new U.S. rules are Washington's third crackdown in three years on China's semiconductor industry, tightening regulations on equipment makers and curbing exports to 140 Chinese companies ...
For anyone self-employed or small business owners who work for themselves, a Solo 401(k) allows higher contribution limits since you are both the employee and employer. 401(k) Pros and Cons.
Investment tactics often require big buy-ins and high fees. New tech is lowering the price of entry in fields like direct indexing and private markets. This article is part of "Transforming ...