Definition Of Diffusion In Geography
The concept of diffusion is widely used in many fields including physics particle diffusion chemistry biology sociology economics and finance diffusion of people ideas and price.
Definition of diffusion in geography. Start studying 4 types of diffusion ap human geography. Hagerstrand 1968 s model of diffusion implies the existence of a mean. Contagious diffusion refers to the dissemination of an idea or innovation from one individual to neighbors or other adjacent individuals. Diffusion definition is the state of being spread out or transmitted especially by contact.
Diffusion in the process of diffusion of a single solute a concentration of molecules on one side of a membrane top will move through a membrane center until there is equilibrium on both sides bottom. This kind of proliferation is known as spatial diffusion. Diffusion process resulting from random motion of molecules by which there is a net flow of matter from a region of high concentration to a region of low concentration. In geography the term diffusion refers to the spread of people things ideas cultural practices disease technology weather and other factors from place to place.
Diffusion is the net movement of anything for example atom ions molecules from a region of higher concentration to a region of lower concentration. Diffusion is driven by a gradient in concentration. The process of diffusing or the condition of being diffused. Learn vocabulary terms and more with flashcards games and other study tools.
It is subdivided into two main subtypes. Contagious diffusion and hierarchical diffusion. State of being diffused. By diffusion in geography we are usually talking about contagious diffusion or the widespread dispersal of an innovation culture disease etc from a centre or centres.
A familiar example is the perfume of a flower that quickly permeates the still air of a room. Diffusion is the movement of a substance from an area of high concentration to an area of low concentration. Expansion diffusion on the other hand is the spread of an idea or innovation through a fixed non migrating population. The diffusion of new technology around the.
Diffusion happens in liquids and gases because their particles move randomly from. The action of diffusing.