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Example of a Sankey diagram Sankey's original 1898 diagram showing energy efficiency of a steam engine. Sankey diagrams are a data visualisation technique or flow diagram that emphasizes flow/movement/change from one state to another or one time to another, [1] in which the width of the arrows is proportional to the flow rate of the depicted extensive property.
Sankey's diagram, 1898. In an 1898 article about the energy efficiency of a steam engine in the Minutes of Proceedings of the Institution of Civil Engineers Sankey introduced the first energy flow diagram: a visualisation to be christened Sankey diagram. [4] Sankey gave the following explanation how to read the image:
The material flow management process utilizes the Sankey diagram, and echoes the circular economy model, while being represented in media environments as a business model which may help lower the costs of production and waste. An important tool for MFM is the Sankey diagram.
The same dataset plotted in three charts: Top panel is a bar chart depicting the flow of occurrences over time (resembles the Sankey diagram in the New York Times original [33]). Middle panel is a bubble chart that separately quantifies discrete outcomes.
This type of band graph for illustration of flows was later called a Sankey diagram, although Matthew Henry Phineas Riall Sankey used this visualisation 30 years later and only for thematic energy flow. Charles Minard's map of Napoleon's disastrous Russian campaign of 1812.
Hybrid Sankey diagram of 2011 U.S. interconnected water and energy flows. The water-energy nexus is the relationship between the water used for energy production, [1] including both electricity and sources of fuel such as oil and natural gas, and the energy consumed to extract, purify, deliver, heat/cool, treat and dispose of water (and wastewater) sometimes referred to as the energy intensity ...
English: A Sankey diagram showing the Earth's energy budget. In the SVG version, hover over a line to highlight it and show its contribution in a tooltip. S M Reddy, S J Chary.
John Sankey, Australian heavy metal drummer; Joseph Sankey (b 1826), founder of Joseph Sankey & Sons Ltd. later part of GKN. Matthew Henry Phineas Riall Sankey (1853–1926), Irish engineer and creator of the Sankey diagram; Maurie Sankey (1940–1965), Australian rules football player; Philip Sankey (1830–1909), English clergyman and cricketer