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. Diffusion patterns ap human geography varsity tutors. 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. Culture is a broad terminology, and cultural diffusion is even broader. Occurs when the diffusion innovation or concept spreads from a place or person of power or high susceptibility to another in a leveled pattern. A region is an area of land that has common features. Diffusion is the movement of a fluid from an area of higher concentration to an area of lower concentration.
Diffusion is driven by a gradient in concentration. Diffusion definition is the state of being spread out or transmitted especially by contact. Learn the definition of diffusion as it relates to geography, as well as the. Stimulus, contagious, and hierarchical diffusion are all kinds of expansion diffusion. Freshman world geography culture vocab flashcards quizlet. Over the years the main preoccupations of political geography have. Christopher budano, lawrence charap, krista dornbush, and john r. In this lesson, well use the examples of viral videos, hip hop, and. It is the outcome of the spread of literacy and education, intercountry trade relations, technological development, and religious interventions. Diffusion is the net movement of anything for example, atom, ions, molecules from a region of higher concentration to a region of lower concentration. Occurs when the innovative idea diffuses from its hearth outward, but the original idea is changed by the new adopters. World geography definition of world geography by the.
Diffusion is a type of transport that moves molecules or compounds in or out of a cell. Cultural diffusion is the spread of cultural trends across locations. Spatial diffusion is the process by which an idea or innovation is transmitted between individuals and groups across space. Alphabet development and diffusion of alphabets britannica. Diffusion of innovation studies several independent research traditions have studied the diffusion of innovations. Everett rogers, a professor of communication studies, popularized the theory in his book diffusion of innovations. Geography for gis written by robert slobodian, malaspina universitycollege. According to world culture theorists, the diffusion took place in three phases. Jul 11, 2019 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.
Adopting a national language might be good political policy, but culturally, that doesnt ensure its viability. Diffusion is a result of the kinetic properties of particles of matter. Culture diffusion definition of culture diffusion at. Geographical skills provide a foundation for analyzing world patterns and processes. Each stop along the road map of jazz evolution is an example of how the flavor of place influenced the jazz it created. The cities he founded became the spring boards for the diffusion of hellenistic culture. International trade and investment program, productivity, innovation, and entrepreneurship program convergence in per capita income turns on whether technological knowledge spillovers are global or local.
In this unit, we will discuss the internal and external forces that create changes on earths surface. Several distinctive aspects of the diffusion of innovations set it off from other specialized fields of communication study. Diffusion occurs for different reasons and at different rates. Learn vocabulary, terms, and more with flashcards, games, and other study tools. At the end of the 2nd millennium bce, with the political decay of the great nations of the bronze agethe egyptians, babylonians, assyrians, hittites, and cretansa new historical world began. Dec 17, 2012 by following the trails left throughout jazzs history, we can see how the art form became what it is today. The concept of diffusion is widely used in many fields, including physics particle diffusion, chemistry, biology, sociology, economics, and finance diffusion of people, ideas. Alphabet alphabet development and diffusion of alphabets. An insoluble oxide of aluminum or of certain other elements characterized by a high melting point. Ap human geography sample student responses and scoring. But he had also become a world renowned academic figure.
Oclcs webjunction has pulled together information and resources to assist library staff as they consider how to handle. Simple diffusion occurs when small, nonpolar molecules transport through the selectively permeable cell membrane. The middle east is considered a political, environmental, and religious region that includes parts of africa, asia, and europe. We will discuss how geography is divided into human and physical geography, the types of maps and their components that make them easy for humans to use, and the different ways maps can be projected.
Geography, as a field of inquiry, looks at the world from a spatial perspective. The dissimilarity in the amounts of solutes, particles, or molecules between the two regions will cause them to move between the two regions. Geography can both affect and be affected by human expression. Identify two specific means of global diffusion from the following. Dan mcdonough, senior director, ap content integration. Through this historyplex article, let us find out the definition of cultural diffusion, and the meaning it adds to our lives.
It was the book, diffusion of innovations by everett rogers in 1962, which popularised the idea. Consider these three examples of the global spread of culture from the united states. Imaginary lines running horizontally around the globe. Only the articulation and diffusion of dangerous ideas was still limited. Reliable information about the coronavirus covid19 is available from the world health organization current situation, international travel. Geography is the study of the earth and the people in it. Geography is the study of the countries of the world and of such things as the land. Projection illustrated human geography textbook ap. Choose from 500 different sets of cultural diffusion world geography flashcards on quizlet. This remarkable cultural diffusion clearly illustrates just how far north hispanic influences spread.
Dear 201819 ap human geography students and parents. When the first edition of diffusion of innovations was published, ev was 31years old. Numerous and frequentlyupdated resource results are available from this search. Synonyms for diffusion at with free online thesaurus, antonyms, and definitions. The process of diffusing or the condition of being diffused. Religion dominates the lives and behavior of billions of people worldwide. Diffusion refers to the spreading of something from one place to another, and might relate to the physical movement of people or the spread of disease, or the diffusion of ideas, technology, or other intangible phenomena. Innovation and diffusion human systems of occupancy cultures are fluid in nature and in a constant state of evolution and change. Beliefs, practices, and ideas get shared from person to person, and sometimes even around the world through this diffusion, as. The definition of apparent diffusion coefficient is a measure of the extent of diffusion of the water molecules that are in tissue. Expansion diffusion is used to explain a variety of phenomena in numerous disciplines, from the spread of disease in medicine to the process of human settlement in the study of geography 1.
Over time, languages evolve consider old english versus modern english, customs change consider interracial marriage in the united states, and technologies advance. This project is a proven winner for teaching the concept of cultural diffusion in your anthropology, world geography, history, or social studies class. The central idea of diffusion, however, is common to all of these. Includes study of regional formations and their relation to humans. Diffusion of innovations is a theory that seeks to explain how, why, and at what rate new ideas and technology spread. Learn world geography cultural diffusion with free interactive flashcards. Cultural diffusion culture, human geography, geography lessons. Beliefs, practices, and ideas get shared from person to person, and sometimes. Find the definition of geography terms and phrases. Culture diffusion definition, the spreading out of culture, culture traits, or a cultural pattern from a central point. 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 values. Ap human geography book study2012new copy medford school. In syria and palestine, the geographical centre of the fertile crescent, three nationsisrael, phoenicia, and aramplayed an increasingly important. The three main types of this phenomenon are expansion diffusion, stimulus diffusion, and relocation diffusion.
Diffusion definition of diffusion by merriamwebster. Learn cultural diffusion world geography with free interactive flashcards. 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 definition and examples biology online dictionary. For diffusion to occur there must be a concentration gradient. Diffusion may be simply defined as the spread of a cultural item from its place of origin to other places titiev 1959. This kind of proliferation is known as spatial diffusion. The study of the diffusion of innovations began during world war ii, prior to the establishment of communication study in university schools and. Geography offers a set of concepts, skills, and tools that facilitate critical thinking and problem solving. Language, government, or religion can define a region, as can forests, wildlife, or climate. This is a great case study for human geography classes that touches on many curricular topics. Senior director, ap human geography content development. Ryan and gross published r a study on the diffusion of hybrid corn in iowa.
Introduction diffusion as a spacetime process nongeographic diffusion literature development of the basic concept of diffusion as a spatial process spatial diffusion processes posthagerstrand developments mathematical approaches to diffusion modeling present status, needs and developments. Students speak very highly of this admittedly oddly named project and regularly report that it is one of their favorites of the year. Expansion diffusion, on the other hand, is the spread of an idea or innovation through a fixed, nonmigrating population. Some of the internal forces you will study include plate tectonics, layers of the earth, and hot spots. The word geography literally means earth writing, and that is what many geographers do. Elvis american diner is a truck stop off the jerusalemtel aviv highway.
Defining a region illustrated human geography textbook ap human. Such interpenetration and diffusion of ideas, images, and information is made possible by the internet on a global scale. The geography and channels of diffusion at the worlds technology frontier wolfgang keller. We will also begin our book study on lord of the flies by william golding. Anthropology, geography, and sociology have a long tradition of trying to understand present behavior in terms of patterns of diffusion of techniques and ideas from source societies to their present distributions. The particles will mix until they are evenly distributed. Also called parallels, latitude lines are equidistant from each other. Rogers defines diffusion as the process by which an innovation is communicated through certain channels over time among the members of a social system. The focus is on ideas, idea diffusion, brands, marketing, persuasion and web design. Rogers comprehensive insights in the book helped to expand diffusion theory. Language, art, and communication the way people express themselves is a core component to many cultures. Contagious diffusion refers to the dissemination of an idea or innovation from one individual to neighbors or other adjacent individuals.
Geography definition and meaning collins english dictionary. Diffusion definition of diffusion by the free dictionary. The book has become the standard textbook on diffusion theory and it creats applications of diffusion theory in such fields as geography, economics, psychology, political science, and, as previously mentioned, communication. For example, islam has spread throughout the world, yet stayed strong in the middle east, where it.
Choose from 500 different sets of world geography cultural diffusion flashcards on quizlet. The geography and channels of diffusion at the worlds. Eratosthenes is commonly considered to be the father of geography, and in fact, he quite literally wrote the book on the subject in the third century bce. Linguistic diffusion faces many barriers, and an island state like indonesia faces cultural centrifugal forces. Hagerstrand 1968s model of diffusion implies the existence of a mean. A region can be defined by natural or artificial features. His threevolume text, geographica, included maps of the entire known world see figure 1. First five letters in the latin, hebrew, arabic, greek, and russian cyrillic alphabets.
Expansion diffusion is distinguished from regular diffusion when something spreads outward from a central point. It enables dispersion of concepts or things from a central point of origin to other locations that may or may not be directly connected. Quizlet flashcards, activities and games help you improve your grades. Examples of it can be sought in several realms, like social, political, religious, intellectual, technological, and economical realms. Rogers argues that diffusion is the process by which an innovation is.
Origins and diffusion cultural geography a geography of religion for many people, religion, more than any other cultural trait, defines who they are and how they understand the world around them. Start studying 4 types of diffusion ap human geography. Cultural diffusion is the intermingling of one or more cultures. A more expanded definition depicts diffusion as the process by which discrete culture traits are transferred from one society to another, through migration, trade, war, or other contact winthrop 1991. Explore with us as we trace the roots of jazz, which alan durst, director of the jazz orchestra at fresno state. Diffusion may also be thought of as the movement of particles down a concentration gradient.
Football soccer originated in england in the eleventh century. The dissimilarity in the amounts of solutes, particles, or molecules between the two regions will cause them to move between the two. By following the trails left throughout jazzs history, we can see how the art form became what it is today. Expansion diffusion is when innovations spread to new places while staying strong in their original locations. Regions, large or small, are the basic units of geography. A familiar example is the perfume of a flower that quickly permeates the still air of a room. Jul 29, 2019 diffusion is the movement of a fluid from an area of higher concentration to an area of lower concentration. There are three main types of diffusion, which include simple diffusion, channel diffusion and facilitated diffusion. This influential book challenges one of the most pervasive and powerful beliefs of our timethat europe rose to modernity and world dominance due to unique qualities of race, environment, culture, mind, or spirit, and that progress for the rest of the world resulted from the diffusion of european civilization. World geography synonyms, world geography pronunciation, world geography translation, english dictionary definition of world geography. Diffusion definition diffusion is the net passive movement of molecule s or particles from regions of higher to regions of lower concentration. Washington, association of american geographers, 1969 ocolc747307254. The spread of a feature or trend from one place to. Diffusion is the net passive movement of molecules or particles from regions of higher to regions of lower concentration.
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