Video Experimental Relacionado
Updated: Feb 12, 2026
10:52
Simulation of Human-induced Vibrations Based on the Characterized In-field Pedestrian Behavior
Published on: April 13, 2016
9.2K
Patrones globales de desigualdad en la provisión de sombras para peatones
Xinyue Gu1,2, Lukas Beuster3,4,5, Xintao Liu6
1Senseable City Lab, Massachusetts Institute of Technology, Cambridge, USA. xinyue.gu@connect.polyu.hk.
Nature communications
|February 10, 2026
Resumen
La sombra urbana se distribuye de manera desigual, y los barrios de bajos ingresos reciben menos sombra y se enfrentan a una mayor vulnerabilidad al calor. Este estudio pide estrategias de sombra equitativas para proteger a las comunidades vulnerables del calor urbano.
Área de la Ciencia:
- La planificación urbana es el planeamiento urbano.
- Ciencias ambientales Ciencias ambientales.
- Salud pública La salud pública.
Sus antecedentes:
- La provisión de sombra es una estrategia clave para la mitigación del calor urbano.
- La distribución de la sombra urbana es a menudo desigual.
- La investigación existente a menudo pasa por alto la disponibilidad de sombra en espacios públicos peatonales.
Objetivo del estudio:
- Para evaluar la disponibilidad de sombra en las áreas peatonales en diversas ciudades globales.
- Investigar la relación entre la distribución de la sombra, el estatus socioeconómico y la vulnerabilidad al calor.
- Para resaltar la importancia de las métricas centradas en el ser humano para la carga de calor urbano.
Principales métodos:
- Simulaciones de alta resolución de sombras emitidas por edificios y árboles.
- Integración de datos socioeconómicos a nivel de vecindario.
- Análisis en nueve ciudades climáticamente y geográficamente diversas.
Principales resultados:
- Se encontraron desigualdades espaciales y socioeconómicas consistentes en la disponibilidad de sombra.
- Los barrios de bajos ingresos y periféricos reciben significativamente menos sombra en las aceras.
- La desigualdad de sombra persiste incluso en las ciudades con una alta cobertura general de sombra.
Conclusiones:
- La provisión de sombra urbana se distribuye de manera desigual, lo que exacerba la vulnerabilidad al calor en las comunidades desfavorecidas.
- Centrarse en las áreas peatonales revela disparidades críticas en la exposición humana al calor.
- Se necesitan estrategias de adaptación centradas en la equidad para garantizar la provisión de sombra en áreas urbanas desatendidas.
Videos de Conceptos Relacionados
01:23Absolute Value Inequalities
349
The absolute value is a mathematical tool that represents the distance of a number from zero on the number line, regardless of its sign. In the context of inequalities, absolute value expressions help define a range of permissible values or boundaries for a variable. These inequalities are commonly used in scientific modeling and data interpretation, where variability within or beyond a certain threshold must be captured precisely.An absolute value inequality of the form ∣x∣ ≤...
349
01:28Inequalities
331
Inequalities express mathematical relationships where two values are not equal and are compared using symbols such as <, >, ≤, or ≥. These expressions define a range of possible solutions rather than a single value. Interval notation provides a concise way to express these solution sets, especially when the variable spans a continuous range. An open interval, written as (a, b), excludes the endpoints, while a closed interval [a, b] includes them. There are also half-open...
331
01:50Global Climate Change
29.0K
Throughout its ~4.5 billion year history, the Earth has experienced periods of warming and cooling. However, the current drastic increase in global temperatures is well outside of the Earth’s cyclic norms, and evidence for human-caused global climate change is compelling. Paleoclimatology, the study of ancient climate conditions, provides ample evidence for human-caused global climate change by comparing recent conditions with those in the past.
29.0K
01:28Graphical Representation of Inequalities
225
The graph of the equation where y equals x squared forms a curve known as a parabola. This curve acts as a boundary in the coordinate plane, dividing it into distinct regions based on the relative position of points.When the equality sign in the equation is replaced with an inequality—such as greater than, less than, greater than or equal to, or less than or equal to—the graphical representation changes from a single curve into a broader shaded area that signifies the set of all...
225
01:24Solving Inequalities Graphically
248
Solving inequalities graphically involves using a visual approach to determine where a mathematical expression meets a specific condition, such as being greater than or less than another value. By examining the position of a graph relative to the x-axis or another graph, it becomes possible to identify the range of x-values that satisfy the inequality. This method provides an intuitive understanding of solution intervals by showing where the inequality holds true.Graphical solutions to...
248
01:29Application of Nonlinear Inequalities
266
A nonlinear inequality describes a comparison involving an expression that curves or behaves more complexly than a straight line. These inequalities often appear in forms that include squares, products, or variables in the denominator.To solve such an inequality, one starts by rewriting it so that zero appears on one side. For example, the inequality: can be factored as: This form makes it easier to identify the values that cause the expression to equal zero. In this case, the...
266