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Tuesday, May 12, 2020 | History

1 edition of Measurement and estimation of evaporation and evapotranspiration found in the catalog.

Measurement and estimation of evaporation and evapotranspiration

Measurement and estimation of evaporation and evapotranspiration

report of a Working Group on Evaporation Measurement of the Commission for Instruments and Methods.

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  • 31 Currently reading

Published by Secretariat of the World Meteorological Organization in Geneva, Switzerland .
Written in English

    Subjects:
  • Gangopadhyaya, M,
  • Evaporation (Meteorology),
  • Evapotranspiration

  • Edition Notes

    StatementPrepared by M. Gangopadhyaya [and others]
    SeriesWorld Meteorological Organization. WMO publication -- no. 201, World Meteorological Organization. Technical note -- no.83, WMO (Series) -- no. 201, Technical note (World Meteorological Organization) -- no. 83
    ContributionsWorld Meteorological Organization. Working Group on Evaporation Measurement
    The Physical Object
    Pagination[14] 121 p.
    Number of Pages121
    ID Numbers
    Open LibraryOL22806704M

    Evaporation, Evapotranspiration, and Irrigation Requirements is a comprehensive reference to estimating the water quantities needed for irrigation of crops based upon the physics of evaporation and evapotranspiration (ET). This new edition of which updates and expands the original, provides improved and standardized methods to.   Evapotranspiration is a process performing in the Soil–Plant –Atmosphere System (SPAS); therefore this book is presenting and quantifying it as a catenary process, describing transport of water in the soil, including root extraction patterns and methods of its :

    GLEAM features the first global implementation of the Gash analytic model for the estimation of evaporation of intercepted rain water (Gash, ; Valente et al., ). The volume of water that evaporates from the wet canopy during and immediately after Author: Thomas R.H. Holmes. Many US states have tabulated evaporation data measured with evaporation pans. Some states have computed state-wide estimates of evaporation from shallow ponds and reservoirs (Borrelli et al. ). Many early studies and reports have also addressed pan evaporation 1 Presented at the CSU/ARS Evapotranspiration Workshop, Fort Collins, CO, Mar File Size: KB.

      The book is a thorough presentation of theoretical and applied aspects of the evaporation and evapotranspiration process supported by data from experimental studies. It is written in a way that the theoretical background of evaporation and evapotranspiration estimation is presented in a simplified manner, comprehensive to most technical : Springer Netherlands. The problem of estimating evaporation from water surfaces and evapotranspiration (ET) via plants is addressed in this volume. The use of climatic data is stressed. Recent developments that are covered involve both direct estimation of evapotranspiration and the use of an intermediate step of calculating reference crop evapotranspiration.


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Measurement and estimation of evaporation and evapotranspiration Download PDF EPUB FB2

The book is a thorough presentation of theoretical and applied aspects of the evaporation and evapotranspiration process supported by data from experimental studies. It is written in a way that the theoretical background of evaporation and evapotranspiration estimation is presented in a simplified manner, comprehensive to most technical readers.

Estimation errors, strengths, weaknesses and applicability of a wide range of evaporation and evapotranspiration estimation methods are presented along with. A new technology, remote sensing application to evaporation and evapotranspiration estimation, is presented. The latest interest in the subject, climate change and evapotranspiration is presented in the last chapter.

This book Measurement and estimation of evaporation and evapotranspiration book be beneficial to students, hydrologists, engineers, meteorologists, water managers and others. Get this from a library. Measurement and estimation of evaporation and evapotranspiration.

[World Meteorological Organization. Commission for Instruments and Methods of Observation.]. Distinctions are made (Figure 4) between reference crop evapotranspiration (ET o), crop evapotranspiration under standard conditions (ET c) and crop evapotranspiration under non-standard conditions (ET c adj).ET o is a climatic parameter expressing the evaporation power of the atmosphere.

ET c refers to the evapotranspiration from excellently managed, large, well-watered fields that achieve. Evaporation, Evapotranspiration, and Irrigation Water Requirements is a comprehensive reference to estimating the water quantities needed for irrigation of crops based upon the physics of evaporation and evapotranspiration (ET).

This new edition of which updates and expands the original, provides improved and standardized methods. Evapotranspiration (ET) is the combined process of water surface evaporation, soil moisture evaporation, and plant transpiration.

Stormwater management applications may include water surfaces (e.g., pond, wetland, etc.), vegetation, or both, and therefore may require an estimation of evaporation, transpiration, or both to estimate water level. Get this from a library.

Evaporation and Evapotranspiration: Measurements and Estimations. [Wossenu Abtew; Assefa Melesse] -- The book is a thorough presentation of theoretical and applied aspects of the evaporation and evapotranspiration process supported by data from experimental studies.

It. Request PDF | Evaporation and Evapotranspiration Estimation Methods | Estimation in spite of measurement is the common approach to acquire ET data for most applications. Selection of a. Evapotranspiration (ET) is a major component of the water cycle, which makes it an integral part of water resources management, especially in arid and semiarid environments.

ET data are used for water management, irrigation scheduling, various modeling activities, and much more. Some areas of scarce water resources place limitations on water use, which are typically determined from various Author: Jerry E.

Moorhead. Abstract. Contemporary methods of evapotranspiration estimation are described in detail, along with transpiration and evaporation. Measurement of evapotranspiration by lysimeters (from bare soil or soil with a canopy) and measurement of evaporation from a water table are by: 5.

The book is a thorough presentation of theoretical and applied aspects of the evaporation and evapotranspiration process supported by data from experimental studies.

It is written in a way that the theoretical background of evaporation and evapotranspiration estimation is presented in a simplified manner, comprehensive to most technical : Wossenu Abtew. Abstract. Evapotranspiration is a major term of the soil water balance.

Knowing the amount of water directly evaporated from the soil or through transpiration of plants is a point of interest not only for agronomists but for meteorologists, hydrologists and irrigation project by: Green infrastructure (GI) is a common solution for stormwater management in an urban environment, with attached environmental benefits like flood control, urban heat island relief, adaptations to climate change, biodiversity protection, air pollution reduction, and food production.

Evapotranspiration (ET) controls the GI’s hydrologic performance and affects all related by: 1. This book covers topics on the basic models, assessments, and techniques to calculate evapotranspiration (ET) for practical applications in agriculture, forestry, and urban science.

This simple and thorough guide provides the information and techniques necessary to develop, manage, interpret, and apply evapotranspiration ET data to practical. Air pressure (low pressure of the surface high rate of evaporation) 5.

Soil characteristics (soil texture, soil profile characteristics etc. At FC – soil characteristics doesn’t affect rate of evaporation) Measurement of Evaporation. Following methods are generally practiced. The term evapotranspiration (ET) is commonly used to describe two processes of water loss from land surface to atmosphere, evaporation and transpiration.

Evaporation is the process where liquid water is converted to water vapor (vaporization) and removed from sources such as the soil surface, wet vegetation, pavement, water bodies. This book is a comprehensive reference tool for estimating the water quantities needed for irrigation of crops based upon the physics of evaporation and evapotranspiration (ET).

This new edition of which updates and expands the original, provides improved and standardized methods to estimate evaporation and ET and to apply and Cited by: Crop evapotranspiration under standard conditions (ET c) Crop evapotranspiration under non-standard conditions (ET c adj) Determining evapotranspiration.

ET measurement ET computed from meteorological data ET estimated from pan evaporation. Part A - Reference evapotranspiration (ET o). When there is no instrumentation available for the direct measurement of lake evaporation, it becomes necessary to use models for its estimation.

The Penman method is considered as one of the most reliable methods for estimating lake evaporation and is discussed in sufficient detail in the chapter. Evapotranspiration (ET) is the sum of evaporation and plant transpiration from the Earth's land and ocean surface to the ation accounts for the movement of water to the air from sources such as the soil, canopy interception, and iration accounts for the movement of water within a plant and the subsequent loss of water as vapor through stomata in its leaves.Measurement based on the soil water balance B.

Measurements at plant scale 1. Sap flow method 2. Chambers system method III. Actual crop evapotranspiration estimation A. The direct estimation of evapotranspiration 1. The main theoretical principles for modelling the evapotranspiration 1.a The Penman theoretical analysis and the physical Cited by: Evaporation, Transpiration, and Evapotranspiration EVAPORATION: It is the loss of free water from soil, lakes, stream oceans etc to the atmosphere.

OR. The transfer of water in the vapor phase from the surface of the soil, open water surfaces, snow and the surface of the vegetation to the atmosphere. TRANSPIRATION: .