Hydrology & Water Resources Engineering - Vol 2 | 22. Potential Evapotranspiration over India by Abraham | Learn Smarter
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22. Potential Evapotranspiration over India

Evapotranspiration plays a vital role in India's hydrologic cycle, affecting water resources, agriculture, and climate assessments. Understanding Potential Evapotranspiration (PET) is essential for effective irrigation planning and management, particularly in a country with diverse climatic regions. Methods of estimating PET, the factors influencing it, and the challenges faced in accurate measurement are pivotal for sustainable water resource management.

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Sections

  • 22

    Potential Evapotranspiration Over India

    This section outlines the concept, importance, factors, methods, and challenges of estimating Potential Evapotranspiration (PET) in India.

    Learning Practice

  • 22.1

    Concept Of Evapotranspiration

    Evapotranspiration is the combined process of evaporation and transpiration, critical for understanding water loss in agriculture and hydrology.

    Learning Practice

  • 22.2

    Importance Of Pet In Water Resources Engineering

    Understanding Potential Evapotranspiration (PET) is crucial for effective water resource management in agriculture, drought monitoring, and reservoir management.

    Learning Practice

  • 22.3

    Factors Affecting Pet

    This section explores the various climatic and geographic factors that influence Potential Evapotranspiration (PET) in India.

    Learning Practice

  • 22.4

    Methods Of Estimating Pet

    This section illustrates various methods for estimating Potential Evapotranspiration (PET), including empirical, physically based, and remote sensing approaches, each with unique advantages and applications.

    Learning Practice

  • 22.4.1

    Empirical Methods

    Empirical methods for estimating Potential Evapotranspiration (PET) include statistical techniques derived from observed data.

    Learning Practice

  • 22.4.2

    Physically Based Methods

    This section outlines the physical methods used to estimate Potential Evapotranspiration (PET), focusing on the Penman and Penman-Monteith methods.

    Learning Practice

  • 22.4.3

    Satellite-Based And Remote Sensing Approaches

    Satellite-based and remote sensing approaches enhance the estimation of Potential Evapotranspiration (PET) across vast regions, particularly in remote areas.

    Learning Practice

  • 22.5

    Spatial Variation Of Pet Over India

    This section discusses the high spatial variability of Potential Evapotranspiration (PET) across India due to its diverse geography and climatic conditions.

    Learning Practice

  • 22.6

    Seasonal And Monthly Pet Distribution

    This section discusses the variations in Potential Evapotranspiration (PET) across different seasons and months in India.

    Learning Practice

  • 22.7

    Pet Mapping And Zoning In India

    This section discusses the mapping and zoning of Potential Evapotranspiration (PET) in India and its significance in agro-climatic planning.

    Learning Practice

  • 22.8

    Applications Of Pet Estimation

    The applications of Potential Evapotranspiration (PET) estimation are critical for effective water management in agriculture, climate studies, and hydrological modeling.

    Learning Practice

  • 22.9

    Challenges In Pet Estimation In India

    This section outlines the key challenges faced in estimating Potential Evapotranspiration (PET) in India, including data scarcity and model uncertainties.

    Learning Practice

  • 22.10

    Future Directions And Recommendations

    This section outlines future directions for enhancing Potential Evapotranspiration (PET) estimation in India.

    Learning Practice

References

Chapter_22_Poten.pdf

Class Notes

Memorization

What we have learnt

  • Evapotranspiration is the s...
  • Potential Evapotranspiratio...
  • Various empirical and physi...

Final Test

Revision Tests