Water resources and hydraulic infrastructures for agricolture

A.y. 2018/2019
8
Max ECTS
80
Overall hours
SSD
AGR/08
Language
Italian
Learning objectives
An understanding of rainfall, runoff, evapotranspiration and water dynamics in soil and groundwater is essential for those involved in the science, engineering or management of land and environment. The course provides a conceptual and quantitative understanding of hydrology, as a basis for applied studies of water use in agriculture, water tresources conservation and flood protection. In addition the course describes the tools to design and manage a system of micro-irrigation, public and residential parks.
Expected learning outcomes
Students will acquire a solid method of hydrologic analysis and the fundamental tools and techniques for the analysis and solution of hydrological problems, including irrigation water demand estimation and flood protection. In addition students will acquire the knowledge needed to address and resolve design issues and management of micro-irrigation systems and the irrigation of public and residential parks. New skills will be acquired in CAD, hydrodynamics and hydraulic structures.
Course syllabus and organization

Single session

Responsible
Lesson period
Second semester
Unit 1
Course syllabus
The course aims to provide the basic knowledge of hydrology necessary to address problems of water use for irrigation and of flood protection of the territory, in addition to elements of management of irrigation and flood protection infrastructures. CFU. 1. The hydrological cycle and the fundamental hydrological processes. Precipitation. Interception. Evaporation and transpiration. Runoff. Flow in unsaturated and saturated soil. River flow. The hydrological balance equation. The river basin. Instruments and methods and for measuring hydrological variables. CFU. 2. The water balance of the soil-vegetation-system. Calculation of crop water requirements and scheduling of irrigation. The rainfall-runoff transformation. The rational method and the kinematic method for the estimation of peak flow and flood hydrographs. Sources of hydrological data. CFU. 3. Elements of statistics and probability distributions. Extreme hydrological events. The return period. Elements of statistical analysis of hydrological variables. Estimation of the Intensity-Duration-Frequency curves from observed rainfall timeseries. CFU. 4. (tutorials) Calculation of crop water requirements and scheduling of irrigation with the FAO-paper56 method. Estimation of the time pattern of the total irrigation supply to a district with multiple crops and non-uniform soils. Estimation of the peak flow in a small basin with the rational and kinematic methods and through the direct analysis of observed discharge timeseries.
Teaching methods
Lecture notesU. Moisello : Idrologia Tecnica. La Goliardica Pavese V. Ferro: La sistemazione dei bacini idrografici, McGraw HillGribbin J.E. (2006) Introduction to hydraulics and hydrology with application for stormwater management, III ed., Thomson Delmar Learning ed.
Unit 2
Course syllabus
Design and dimensioning of a micro irrigation plant and residential plant. 1) Learning the main controls on a CAD platform to design the irrigation system 2) Design of the distribution lines, the choice of bulk material delivery, choice of pump and its location, water flow calculation, the prevalence to be provided by pump, power output. 3) Calculation of the losses of load localized and distributed along the lines. 4) Determination of the turn and dispensing times 5) Costs estimation. 6) Providing a technical report on the design choices of the plant. 7) Hydraulic calculations for the design and verification of the system.
Teaching methods
Unit 1
AGR/08 - AGRICULTURAL HYDRAULICS AND WATERSHED PROTECTION - University credits: 4
Computer room practicals: 16 hours
Lessons: 24 hours
Professor: Masseroni Daniele
Unit 2
AGR/08 - AGRICULTURAL HYDRAULICS AND WATERSHED PROTECTION - University credits: 4
Computer room practicals: 16 hours
Lessons: 24 hours
Professor: Facchi Arianna