irrigation and drainage definition

1.0 INTRODUCTION TO IRRIGATION AND DRAINAGE 1.1 Irrigation defined Irrigation is any process other than natural precipitation, which supplies water artificially to the soil to make up the deficiency of moisture under natural conditions for the profitable growth of crops, which otherwise would not be … Some land, of course, does not need either. hydraulics for irrigation and drainage networks, design of hydraulic structures for irrigation and drainage systems – flow measuring structures, road crossings, chutes and drops, flumes, siphons, spillways, structural protection. irrigation. INTRODUCTION. Definitions of River Basin "River basin" is an area of land from which all surface run-off flows through a sequence of streams, rivers and, possibly, lakes into the sea at a single river mouth, ... Department of Irrigation and Drainage. Help support true facts by becoming a member. Irrigation and Drainage paper No. Surface irrigation is where water is applied and distributed over the soil surface by gravity. Before we start discussing the many equations surrounding Irrigation and Drainage, let us first know the basic difference between the two. Irrigation. Many studies have been made of techniques to suppress evaporation. Irrigation is the process of applying controlled amounts of water to plants at needed intervals. International Executive Council Meeting. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. Surface irrigation is often referred to as flood irrigation, implying that the water distribution is uncontrolled and therefore, inherently inefficient. Flood can be defined as a body of water, rising, swelling and overflowing land not usually thus covered. The International Commission on Irrigation and Drainage is dedicated to enhancing the worldwide supply of food and fibre for all people by improving water and land management and the productivity of irrigated and drained lands through appropriate management of water, environment and application of irrigation, drainage and flood management techniques. In many cases irrigation is correlated with drainage drainage, in agriculture, the removal of excess water from the soil, either by a system of surface ditches, or by underground conduits if required by soil conditions and land contour. Best Paper Award 2019 Congratulations to the selected winners of the Best Paper Award 2019! Click here to browse our most recent Special Issue. CHAPTER 6 - DRAINAGE. CHAPTER 7 - SALTY SOILS. Also, overflowing of the bank of a stream, lake or drainage system of water onto adjacent land as a result of storm, ice melt, tidal action and … Various techniques have been tried to reduce losses of irrigation water. To supply with water by means of pipes, sprinklers, ditches, or … One of the more promising appears to be application of a special alcohol film on the surface, which retards evaporation by about 30 percent and does not reduce the quality of the water. CHAPTER ONE 1. Irrigation and drainage, artificial application of water to land and artificial removal of excess water from land, respectively. Civil Engineering Department THIRD YEAR / CURRICULUM 2016 ð2017 Subject: Irrigation & Drainage Engineering U50601305 Irrigation and Drainage Engineering UIrrigation: U Introduction, definition, purposes, necessity, soil – water - plant relations, land grading, … gates v. tr. Well, the basic difference between the two lies in the method used to achieve a desired result. [ ir″ĭ-ga´shun] 1. washing of a body cavity or wound by a stream of water or other fluid. NPTEL provides E-learning through online Web and Video courses various streams. Seepage has. You will see meanings of Irrigation and Drainage Branch in many other languages such as Arabic, Danish, Dutch, Hindi, Japan, Korean, Greek, Italian, Vietnamese, etc. Modern irrigation system planning and construction, Modern drainage system planning and construction, Land reclamation through irrigation and drainage, Irrigation and drainage throughout the world. Irrigation and Drainage notes that FAIR data sharing allows for access to shared data under restrictions (e.g., to protect confidential or proprietary information) but notes that the FAIR principles encourage you to share data in ways that are as open as possible (but that can be as closed as necessary). 8518 of the Borrower dated July 30, 1999; Plants have a limited tolerance for soil water salinity, and despite significant gaps in our practical knowledge, an impression of acceptable salinities is available for many crops. The International Commission on Irrigation and Drainage is dedicated to enhancing the worldwide supply of food and fibre for all people by improving water and land management and the productivity of irrigated and drained lands through appropriate management of water, environment and application of irrigation, drainage and flood management techniques. 6.2.1 Surface drainage 6.2.2 Subsurface drainage. 2. The primary problem in its use is that it is fragile; a strong wind can blow it apart and expose the water to evaporation. IRRIGATION. irrigation and drainage definition in the English Cobuild dictionary for learners, irrigation and drainage meaning explained, see also 'irritation',irritating',irrigate',irradiation', English vocabulary You will see meanings of Irrigation and Drainage Department in many other languages such as Arabic, Danish, Dutch, Hindi, Japan, Korean, Greek, Italian, Vietnamese, etc. Governance in Irrigation and Drainage Concepts, Cases, and Action-Oriented Approaches—A Practitioner’s Resource Pieter Waalewijn, Remi Trier, Jonathan Denison, Yasmin Siddiqi, The International Executive Council (IEC), is the highest decision-making body of ICID.It is vested with the management of the affairs of the International Commission on Irrigation and Drainage. FAO IRRIGATION AND DRAINAGE PAPER 45. by W.R. Walker Professor and Head Department of Agricultural and Irrigation Engineering Utah State University Logan, Utah, USA (Consultant to FAO) FAO FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS Rome, 1989 Definition of Flood. Whereas irrigation and drainage are intended to address the shortage and surplus of soil water, respectively, an important aspect to address is also the management of salinity. A steady, gentle stream is used; pressure should be sufficient to reach the desired area, but not enough to force the fluid beyond the area to be irrigated. The owner of land over which there is a current stream, is, as such, the proprietor of … By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. INTRODUCTION 1.1 Definition of Irrigation Define Irrigation and Drainage Law. Sample statements are available here. Regulating and control structures – headgates, checks, 7.2.1 Water salinity 7.2.2 Soil salinity. Performance Benchmarking in the Irrigation and Drainage Sector Experiences to date and Conclusions OD 155 iv R. 1.0 abcd Summary continued charged with the management of irrigation and drainage infrastructure. 6.1 Need for drainage 6.2 Different types of drainage. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. (redirected from Irrigation and Drainage) Also found in: Dictionary, Thesaurus, Medical, Encyclopedia . Two major sources of loss, particularly from surface supplies and surface systems, are evaporation and seepage from reservoirs and canals. 1. The act of wetting or moistening the ground by artificial means. Some land requires irrigation or drainage before it is possible to use it for any agricultural production; other land profits from either practice to increase production. The conceptual framework for the revised methodologies introduced in this publication came forth out of the advice of the group of eminent experts congregated in the 1990 meetings and who have If you are visiting our English version, and want to see definitions of Irrigation and Drainage Department in other languages, please click the language menu on the right bottom. It is by far the most common form of irrigation throughout the world and has been practiced in many areas virtually unchanged for thousands of years.. means Law No. 1. A drainage system is needed on irrigated lands to control the water table and ensure that water will be able to move through a soil, thus keeping salts from accumulating in the root zone and making the soil unproductive. Irrigation water sources and methods of storage, water and soil relationship, salt accumulation and leaching, Water flow through the soil, the quantity and quality of water used in irrigation systems, surface and underground irrigation, drainage, wells and its use for irrigation, water measurements, laws and legislation for irrigation. The terms in this glossary are presented in an effort to provide a foundation for common understanding in communications covering irrigation. Adama University, SOE & IT Irrigation and Drainage Engineering Civil Eng’g & Architectures Department [surveying Engineering stream] By Te2 ssema B. DRAINAGE When precipitation occurs, the water falling on the ground will infiltrate into the soil after meeting the initial abstractions like interception and depression storage. 7.1 Salinization 7.2 Salinity. MOTS CLÉS: Irrigation, Drainage, Développement durable, Système de réseau. However, performance benchmarking cannot, in isolation, bring about significant reform of the irrigation and drainage sector. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. Tools & Calculators Irrigation Glossary. Irrigation helps to grow agricultural crops, maintain landscapes, and revegetate disturbed soils in dry areas and during periods of less than average rainfall. If you are visiting our English version, and want to see definitions of Irrigation and Drainage Branch in other languages, please click the language menu on the right bottom. Irrigation and Drainage publish a number of Special Issues and Supplements throughout the year. Jalan Sultan Salahuddin, 50626 Kuala Lumpur, Malaysia. Diesel or centrifugal pumps are sometimes used to … Last edited in July 2017, the Irrigation Association’s Glossary of Terms is always in continuing development. Effective irrigation and drainage systems are essential if growing demands for water resources are to be met. 5.3.1 Surface irrigation 5.3.2 Sprinkler irrigation 5.3.3 Drip irrigation. Water to land and artificial removal of excess water from land, of course, does not need.... The year not usually thus covered July irrigation and drainage definition, the basic difference between the two lies in the method to! Click here to browse our most recent Special Issue edited in July 2017 the! On the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox including Dictionary,,... Effort to provide a foundation for common understanding in communications covering irrigation can be defined as a body water. 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