Skip to main content

Economic Geography:- Definitions, Nature, Scope And Recent Trends. Basis of economic processes- Production, exchange and consumption. Classification of economic activities

Economic Geography: Definitions, Nature, Scope, and Recent Trends:


Economic Geography is a field that studies the spatial distribution of economic activities and their impact on the Earth's surface. It encompasses a multidisciplinary approach, incorporating elements of geography, economics, and regional planning.


Definitions: Economic Geography involves the analysis of how economic activities are organized and distributed in space. It explores the spatial patterns of production, distribution, and consumption of goods and services, considering the influence of physical, cultural, and economic factors.


Nature: The nature of economic geography lies in understanding the relationships between economic activities and the physical and human environments. It examines the spatial variations in resource distribution, industrial development, and trade patterns.


Scope: The scope of economic geography is broad, covering topics such as industrial location, transportation networks, urban and rural economic structures, globalization, and regional development. It also delves into the study of economic systems and their impact on different regions.


Recent Trends: Recent trends in economic geography involve globalization, technological advancements, and sustainability. Globalization has intensified the interconnectedness of economies, leading to the formation of global production networks. Technological advancements, especially in communication and transportation, have reshaped the spatial organization of economic activities. Sustainability has become a key concern, with a focus on understanding the environmental and social impacts of economic processes.


Basis of Economic Processes: Production, Exchange, and Consumption:


Production: Economic geography analyzes the spatial patterns of production, including the location of industries, agricultural activities, and resource extraction. Factors such as raw material availability, labor force, and infrastructure influence the choice of production locations.


Exchange: The study of exchange involves understanding trade patterns, transportation networks, and the dynamics of international trade. Economic geographers examine the spatial organization of markets, trade routes, and the impact of political and cultural factors on exchange processes.


Consumption: Analysis of consumption patterns focuses on understanding how people and regions use goods and services. Economic geography explores the spatial distribution of consumer markets, retail networks, and factors influencing consumption behavior, such as income levels and cultural preferences.


Classification of Economic Activities:


Economic activities are classified based on various criteria:


1. Primary Sector: Involves the extraction of raw materials from the Earth, such as agriculture, forestry, fishing, and mining.


2. Secondary Sector: Encompasses manufacturing and industry, where raw materials are processed to produce goods.


3. Tertiary Sector: Involves services and includes activities like retail, education, healthcare, and tourism.


4. Quaternary Sector: Focuses on information processing, research, and development.


5. Quinary Sector: Represents high-level decision-making and policymaking activities.


These classifications help in understanding the diverse economic activities that contribute to the overall functioning of a region or country. Economic geographers use these classifications to analyze spatial patterns and the interdependence of economic sectors.




Comments

Popular posts from this blog

Thermal Infrared Remote Sensing

1. Principles Thermal Infrared Remote Sensing is based on the detection of naturally emitted electromagnetic radiation from objects, rather than reflected solar energy. According to Planck's Radiation Law , all objects with a temperature above absolute zero (0 K) emit electromagnetic radiation. For Earth surface features, the peak emission lies in the Thermal Infrared (TIR) region of 3–14 μm of the electromagnetic spectrum. The amount of radiation emitted is primarily a function of surface temperature and emissivity . Sensors measure the radiant energy flux density (W/m²) , which is later converted to surface temperature using Stefan-Boltzmann's Law . 2. Radiation Properties in TIR Emissivity (ε): Ratio of radiation emitted by a surface to that emitted by a perfect blackbody at the same temperature. Natural surfaces like water (ε ≈ 0.98) have high emissivity, while bare soils and metals have lower values. Blackbody: An idealized object th...

Atmospheric Window

The atmospheric window in remote sensing refers to specific wavelength ranges within the electromagnetic spectrum that can pass through the Earth's atmosphere relatively unimpeded. These windows are crucial for remote sensing applications because they allow us to observe the Earth's surface and atmosphere without significant interference from the atmosphere's constituents. Key facts and concepts about atmospheric windows: Visible and Near-Infrared (VNIR) window: This window encompasses wavelengths from approximately 0. 4 to 1. 0 micrometers. It is ideal for observing vegetation, water bodies, and land cover types. Shortwave Infrared (SWIR) window: This window covers wavelengths from approximately 1. 0 to 3. 0 micrometers. It is particularly useful for detecting minerals, water content, and vegetation health. Mid-Infrared (MIR) window: This window spans wavelengths from approximately 3. 0 to 8. 0 micrometers. It is valuable for identifying various materials, incl...

Regional Geography, Systematic Geography, Idiographic, Nomothetic, Inductive and Deductive Approaches

T wo major ways of studying Geography : the Regional Approach and the Systematic Approach . It also explains the related ideas of idiographic vs. nomothetic and inductive vs. deductive reasoning , especially in the context of the Hartshorne–Schaefer debate . 1. Regional Geography: “All About One” Regional Geography studies one particular region in detail . A region is an area that has some degree of homogeneity (sameness) within its boundary but is also unique or different from other regions . For example, if we study Palakkad District , we may study: Relief and drainage Climate Soil Vegetation Agriculture Population Occupation Economy Culture Political characteristics The purpose is to understand the complete geographical personality of Palakkad and the relationships among its different features. Key concepts Region: A geographical area with identifiable characteristics and boundaries. Homogeneity: Si...

Radar image. Polarization in Remote Sensing

L band radars operate on a wavelength of 15-30 cm and a frequency of 1-2 GHz. L band radars are mostly used for clear air turbulence studies. S band radars operate on a wavelength of 8-15 cm and a frequency of 2-4 GHz. Because of the wavelength and frequency, S band radars are not easily attenuated. . Polarization refers to the direction of travel of an electromagnetic wave vector's tip: vertical (up and down), horizontal (left to right), or  circular (rotating in a constant plane left or right). . a synthetic aperture radar (SAR) for high-resolution imaging. a radar altimeter, to measure the ocean topography. echo amplitude a wind scatterometer to measure wind speed and direction. Other types of radars have been flown for Earth observation missions: precipitation radars such as the  Tropical Rainfall Measuring Mission, or cloud radars like the one used on Cloudsat. . RISAT-1 (SAR, ISRO India, 2012) RORSAT (SAR, Soviet Union, 1967-1988) Seasat (SAR, altimeter, scatterometer, US, 19...

Discrete Detectors and Scanning mirrors Across the track scanner Whisk broom scanner.

Multispectral Imaging Using Discrete Detectors and Scanning Mirrors (Across-Track Scanner or Whisk Broom Scanner) Multispectral Imaging:  This technique involves capturing images of the Earth's surface using multiple sensors that are sensitive to different wavelengths of electromagnetic radiation.  This allows for the identification of various features and materials based on their spectral signatures. Discrete Detectors:  These are individual sensors that are arranged in a linear or array configuration.  Each detector is responsible for measuring the radiation within a specific wavelength band. Scanning Mirrors:  These are optical components that are used to deflect the incoming radiation onto the discrete detectors.  By moving the mirrors,  the sensor can scan across the scene,  capturing data from different points. Across-Track Scanner or Whisk Broom Scanner:  This refers to the scanning mechanism where the mirror moves perpendicular to the direction of flight.  This allows for t...