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Related Concept Videos

Net Change Theorem01:22

Net Change Theorem

The Net Change Theorem is a fundamental principle in calculus that establishes a direct relationship between a function’s rate of change and its accumulated change over an interval. Mathematically, it states that the definite integral of a function's derivative over a given interval [a,b] yields the net change in the original function:This theorem has significant applications in various real-world scenarios, including physics, economics, and engineering. A particularly useful application is in...
Control Volume and System Representations01:16

Control Volume and System Representations

Two key frameworks are employed to analyze mass, energy, and momentum transfer: the control volume approach and the system approach. These frameworks offer different perspectives, depending on whether the focus is on a specific region in space (control volume approach) or a defined mass of fluid (system approach).
The control volume approach considers a stationary region in space through which fluid flows. This region is bounded by a control surface.  For instance, in the case of water flowing...
Eddy Currents01:25

Eddy Currents

Since eddy currents occur only in conductors, magnets can separate metals from other materials. For example, in a recycling center, trash is dumped in batches down a ramp, beneath which lies a powerful magnet. Conductors in the trash are slowed by eddy currents, while nonmetals in the trash move on, separating from the metals. This works for all metals, not just ferromagnetic ones.
Other major applications of eddy currents appear in metal detectors and the braking systems of trains and roller...
Uniform Depth Channel Flow: Problem Solving01:18

Uniform Depth Channel Flow: Problem Solving

To calculate the flow rate for a trapezoidal channel, first, identify the bottom width, side slope, and flow depth of the channel. The cross-sectional area (A) corresponding to the depth of flow (y), channel bottom width (B), and side slope (θ) is determined by:Next, calculate the wetted perimeter, which includes the bottom width and the sloped side lengths in contact with the water. Using the values of the cross-sectional area and the wetted perimeter, determine the hydraulic radius by...
Conduction, Convection and Radiation: Problem Solving01:20

Conduction, Convection and Radiation: Problem Solving

There are three methods by which heat transfer can take place: conduction, convection, and radiation. Each method has unique and interesting characteristics, but all three have two things in common: they transfer heat solely because of a temperature difference; and the greater the temperature difference, the faster the heat transfer.
In order to solve a problem related to heat transfer, first of all, the situation needs to be examined to determine the type of heat transfer involved. This could...
Energy Considerations in Open Channel Flow01:27

Energy Considerations in Open Channel Flow

Open channel flow, where a fluid flows with a free surface exposed to the atmosphere, is primarily governed by gravitational and surface effects, distinguishing it from closed conduit or pipe flow. In open channels such as rivers, canals, and artificial channels, energy analysis provides valuable insights into flow behavior and the relationship between depth, velocity, and slope.Specific Energy and Flow DepthIn open channel flow, the specific energy, E, combines the gravitational potential...

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Related Experiment Video

Updated: May 17, 2026

Visualizing Oceanographic Data to Depict Long-term Changes in Phytoplankton
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Changing currents: a strategy for understanding and predicting the changing ocean circulation.

Harry L Bryden1, Carol Robinson, Gwyn Griffiths

  • 1Ocean and Earth Science, National Oceanography Centre Southampton, University of Southampton, UK. h.bryden@noc.soton.ac.uk

Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
|November 7, 2012
PubMed
Summary
This summary is machine-generated.

This UK marine science strategy outlines 20 years of ocean circulation research. It emphasizes sustained observations, climate change analysis, and process studies to improve climate models and predictions.

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Last Updated: May 17, 2026

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Published on: July 28, 2023

Evolution of Staircase Structures in Diffusive Convection
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Area of Science:

  • Marine Science
  • Oceanography
  • Climate Science

Background:

  • UK marine science requires a forward-looking strategy for ocean circulation research.
  • Understanding ocean circulation is crucial for climate change analysis and prediction.

Purpose of the Study:

  • To project a 20-year strategy for UK ocean circulation research.
  • To identify key research areas for advancing ocean circulation science and climate modeling.

Main Methods:

  • Focus on sustained observations of ocean circulation.
  • Analysis and interpretation of observed climate changes against model projections.
  • Design and execution of field experiments for process studies.

Main Results:

  • Emphasis on smart, cost-effective observational network design.
  • Integration of new sensors and energy sources into observational programs.
  • Development of strategies for interpreting climate change signals and patterns.

Conclusions:

  • UK scientists should lead in interpreting climate change data.
  • Collaborative efforts are needed to improve coupled climate models.
  • Process studies are essential for realistic climate predictions.