NCERT Book Class 11 Geography World Climate and Climate Change

Read and download the Fundamental of Physical Geography Chapter 11 World Climate and Climate Change PDF from the official NCERT Book for Class 11 Geography. Updated for the 2026-27 academic session, you can access the complete Geography textbook in PDF format for free.

NCERT Class 11 Geography Fundamental of Physical Geography Chapter 11 World Climate and Climate Change Digital Edition

For Class 11 Geography, this chapter in NCERT Book Class 11 Geography World Climate and Climate Change provides a detailed overview of important concepts. We highly recommend using this text alongside the NCERT Solutions for Class 11 Geography to learn the exercise questions provided at the end of the chapter.

Fundamental of Physical Geography Chapter 11 World Climate and Climate Change NCERT Book Class Class 11 PDF (2026-27)

The world climate can be studied by organising information and data on climate and synthesising them in smaller units for easy understanding, description and analysis. Three broad approaches have been adopted for classifying climate. They are empirical, genetic and applied. Empirical classification is based on observed data, particularly on temperature and precipitation. Genetic classification attempts to organise climates according to their causes. Applied classification is for specific purpose.
 
 
KOEPPEN’S SCHEME OF CLASSIFICATION OF CLIMATE

The most widely used classification of climate is the empirical climate classification scheme developed by V. Koeppen. Koeppen identified a close relationship between the distribution of vegetation and climate. He selected certain values of temperature and precipitation and related them to the distribution of vegetation and used these values for classifying the climates. It is an empirical classification based on mean annual and mean monthly temperature and precipitation data. He introduced the use of capital and small letters to designate climatic groups and types. Although developed in 1918 and modified over a period of time, Koeppen’s scheme is still popular and in use.
Koeppen recognised five major climatic groups, four of them are based on temperature and one on precipitation. Table 12.1 lists the climatic groups and their characteristics according to Koeppen. The capital letters : A,C, D and E delineate humid climates and B dry climates.
The climatic groups are subdivided into types, designated by small letters, based on seasonality of precipitation and temperature characteristics. The seasons of dryness are indicated by the small letters : f, m, w and s, where f corresponds to no dry season,
 
NCERT Class 11 Geography World Climate and Climate Change
 
 
m - monsoon climate, w- winter dry season and s - summer dry season. The small letters a, b, c and d refer to the degree of severity of temperature. The B- Dry Climates are subdivided using the capital letters S for steppe or semi-arid and W for deserts. The climatic types are listed in Table 12.2. The distribution of climatic groups and types is shown in Table 12.1.
 
 
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Fundamental of Physical Geography Chapter 01 Geography as a Discipline
Fundamental of Physical Geography Chapter 1 Geography as a Discipline NCERT Book PDF
Fundamental of Physical Geography Chapter 02 The Origin and Evolution of the Earth
Fundamental of Physical Geography Chapter 2 The Origin and Evolution of the Earth NCERT Book PDF
Fundamental of Physical Geography Chapter 03 Interior of the Earth
Fundamental of Physical Geography Chapter 3 Interior of the Earth NCERT Book PDF
Fundamental of Physical Geography Chapter 04 Distribution of Oceans and Continents
Fundamental of Physical Geography Chapter 4 Distribution of Oceans and Continents NCERT Book PDF
Fundamental of Physical Geography Chapter 05 Geomorphic Processes
Fundamental of Physical Geography Chapter 05 Geomorphic Processes NCERT Book PDF
Fundamental of Physical Geography Chapter 06 Landforms and their Evolution
Fundamental of Physical Geography Chapter 06 Landforms and their Evolution NCERT Book PDF
Fundamental of Physical Geography Chapter 07 Composition and Structure of Atmosphere
Fundamental of Physical Geography Chapter 07 Composition and Structure of Atmosphere NCERT Book PDF
Fundamental of Physical Geography Chapter 08 Solar Radiation, Heat Balance and Temperature
Fundamental of Physical Geography Chapter 08 Solar Radiation, Heat Balance and Temperature NCERT Book PDF
Fundamental of Physical Geography Chapter 09 Atmospheric Circulation and Weather Systems
Fundamental of Physical Geography Chapter 09 Atmospheric Circulation and Weather Systems NCERT Book PDF
Fundamental of Physical Geography Chapter 10 Water in the Atmosphere
Fundamental of Physical Geography Chapter 10 Water in the Atmosphere NCERT Book PDF
Fundamental of Physical Geography Chapter 11 World Climate and Climate Change
Fundamental of Physical Geography Chapter 11 World Climate and Climate Change NCERT Book PDF
Fundamental of Physical Geography Chapter 12 Water (Oceans)
Fundamental of Physical Geography Chapter 12 Water (Oceans) NCERT Book PDF
Fundamental of Physical Geography Chapter 13 Movements of Ocean Water
Fundamental of Physical Geography Chapter 13 Movements of Ocean Water NCERT Book PDF
Fundamental of Physical Geography Chapter 14 Biodiversity and Conservation
Fundamental of Physical Geography Chapter 14 Biodiversity and Conservation NCERT Book PDF
Fundamental of Physical Geography Glossary
Glossary NCERT Book PDF
India Physical Environment Chapter 01 India Location
India Physical Environment Chapter 1 India Location NCERT Book PDF
India Physical Environment Chapter 02 Structure and Physiography
India Physical Environment Chapter 2 Structure and Physiography NCERT Book PDF
India Physical Environment Chapter 03 Drainage System
India Physical Environment Chapter 3 Drainage System NCERT Book PDF
India Physical Environment Chapter 04 Climate
India Physical Environment Chapter 4 Climate NCERT Book PDF
India Physical Environment Chapter 05 Natural Vegetation
India Physical Environment Chapter 5 Natural Vegetation NCERT Book PDF
India Physical Environment Chapter 06 Natural Hazards and Disasters
India Physical Environment Chapter 06 Natural Hazards and Disasters NCERT Book PDF
India Physical Environment Glossary
Appendix Glossary NCERT Book PDF
Practical Work in Geography Chapter 01 Introduction to Maps
Practical Work in Geography Chapter 1 Introduction to Maps NCERT Book PDF
Practical Work in Geography Chapter 02 Map Scale
Practical Work in Geography Chapter 2 Map Scale NCERT Book PDF
Practical Work in Geography Chapter 03 Latitude, Longitude and Time
Practical Work in Geography Chapter 3 Latitude, Longitude and Time NCERT Book PDF
Practical Work in Geography Chapter 04 Map Projections
Practical Work in Geography Chapter 4 Map Projections NCERT Book PDF
Practical Work in Geography Chapter 05 Topographical Maps
Practical Work in Geography Chapter 5 Topographical Maps NCERT Book PDF
Practical Work in Geography Chapter 06 Introduction To Remote Sensing
Practical Work in Geography Chapter 06 Introduction To Remote Sensing NCERT Book PDF

NCERT Book Class 11 Geography Fundamental of Physical Geography Chapter 11 World Climate and Climate Change

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