Whittlesey’s Agricultural Regions of The World

Whittlesey gave his classification of agriculture in 1936 based on many factors. For instance, factors controlling the yield, spatial stability, market orientation, specialization of agriculture etc. The relevance and basis of classification of Whittlesey’s Agricultural Regions has been discussed in a previous article. Whittlesey’s agricultural regions entails the social, cultural, biological and technological aspects of … Read more

Basis of Whittlesey Classification of Agricultural Regions

World has different climatic regions and different kinds of agriculture is practices in different climatic zones. However, human beings are intelligent beings. As a result, they are able to control the impact of environment on agriculture. They can also modify the agricultural environment through modern agricultural inputs. Therefore, Derwent Whittlesey classification of agricultural regions entails … Read more

Primate City

Mark Jafferson propounded his concept of primate city in 1939. He observed that a region’s regional development revolves around a large city of the region. All other cities are smaller than the largest city. He names the largest city as primate city. Characteristics of Primate City Primate city is the largest economically dominant city of … Read more

Rank Size Rule by GK Zipf

Many urban geographers have observed the existence of some kind of pattern in size and spacing of cities. Similarly, GK Zipf observed this pattern and propounded rank size rule. Rank Size Rule states that the population of all towns can be expressed in relation to the most populated city of a region. The rank size … Read more

Relevance and Criticism of Central Place Theory

Central place theory is a milestone in the quantitative revolution era. It demonstrated the use of quantitative techniques in spatial and locational studies. However, it has been criticized widely on many grounds. Criticism of central place theory led to development in the field of spatial studies. To understand the relevance of this theory, we must … Read more

Strabo’s Contribution to Geography

The Romans are one of the pioneers of many scientific studies such as geography, climatology, history and medicine etc. Strabo (64 BC-24 AD) was one of those Roman scholars who made significant contribution to geographical studies. Strabo’s contribution to geography can be seen in the 17 Volumes of Geographica written by him. Strabo’s Geography He declared … Read more

Central Place Theory by Walter Christaller

Walter Christaller proposed his Central Place Theory in 1933. He aimed to rationalize the distribution of cities over geographic space. He was concerned with the way the settlement of different sizes evolve and are spaced out. It is a theoretical account of size and distribution of settlements within an urban system where marketing is predominant … Read more

Exceptionalism in Geography

What is Exceptionalism? Exceptionalism is an idea that certain disciplines are exceptional in a sense that they study a particular aspect of events and phenomenon which is not studied by other disciplines. Immanuel Kant is considered the father of exceptionalism. He claimed that the geography and history are exceptional in a manner that geography focusses … Read more

El Nino and Southern Oscillation

What is El Nino? El Nino is a recurring warm ocean current on the west coast of Ecuador, Peru and Chile. Normally on the western coast of Latin America, a cold current flows from the south pacific ocean towards the  equator. This cold current is known as Humboldt Cold Current (Fig. 1). The Humboldt current … Read more

Tropic of Cancer Passes Through Which States of India?

Tropic of Cancer divides India in almost two halves i.e. North and South India. It passes through 8 states of India. The names of these states are as following from West to East. Gujarat Rajasthan Madhya Pradesh Chhattisgarh Jharkhand West Bengal Tripura Mizoram Important Facts About Tropic of Cancer It is at 23 1/2 degree … Read more