Catégories
Catégories principales > 07 - ENVIRONNEMENT > 7.3 - Eau. Gestion de l'Eau
7.3 - Eau. Gestion de l'Eau |
Documents disponibles dans cette catégorie (900)
Article
The concept of virtual water was first proposed by the geographer Tony Allan in 1993, referring to the amount of water needed to produce products and services. Research on virtual water has gradually increased in recent years. This paper explore[...]Article
The Food and Agricultural Organization of the United Nations (FAO) PenmanMonteith (PM) method is widely regarded as the most effective reference evapotranspiration (ETo) estimator; however, it requires a wide range of data that may be scarce in[...]Article
T. Pacetti ; G. Castelli ; B. Schröder ; E. Bresci ; E. Caporali |The appropriate implementation of the concept of Water-related Ecosystem Services (WES) in water resources planning can support the development of productive activities and, at the same time, sustain local ecosystems. However, such implementatio[...]Article
F. ElMokh ; K. Nagaz ; M.M. Masmoudi ; N. Ben Mechlia |Field studies on saline water use (6 dS/m) for carrot, lettuce and pepper production in smallholder's farms were conducted in the arid region of Medenine-Tunisia. The irrigation regimes were full (FI) and deficit (DI-80, DI-60, FI-DI60) irrigate[...]Article
Water storage requirements in the Mediterranean region vary in time and are strongly affected by the local geography and climate conditions. The objective of this study is to assess the implications of climate change on the water balance of an a[...]Article
Les zones arides présentent un avenir certain et pour mobiliser une ressource en eau supplémentaire, lutilisation des eaux épurées est une des solutions adéquate et ces dernières peuvent servir à irriguer les cultures. Mais dans ce cas, il peut[...]Article
Ce travail tente danalyser et de comprendre le concept deau virtuelle, un artifice utilisé par les pays riches et développés afin de soutenir et promouvoir leurs économies productives agricoles. Largument clé mis en avant dans ce nouveau conc[...]Article
A. Kettani ; A. Hammani ; A. Taky ; M. Kuper |Au début des années 1970, le Maroc a introduit lirrigation par aspersion pour accélérer le rythme de lextension de lirrigation, améliorer son efficience et rendre sa pratique plus facile. Installée sur 151 700 ha, principalement en grande hyd[...]Article
Les impacts des changements climatiques auront inévitablement des conséquences importantes, en particulier dans les régions arides et semi-arides où leur vulnérabilité sera exacerbée par les problèmes de sécheresse et le déficit en eau qui vont [...]Article
L.F. Dias ; B.A. Aparício ; J.P. Nunes ; I. Morais ; A.L. Fonseca ; A.V. Pastor ; F.D. Santos |Irrigation is essential for a large part of Mediterranean agricultural systems, but scarce resources may cause conflicts between agricultural and domestic uses. These conflicts might be exacerbated by climate change, which could bring a drier cl[...]Article
High water availability enhances agricultural performance and food security. However, many countries where water is abundant according to hydrological indicators face difficulties in the utilization of water in agriculture, being in a situation [...]Article
This is a brief review about irrigation scheduling tools and water management models for efficient on-farm watering of vegetable crops under open field conditions. This is the first step required for reducing water losses due to drainage and for[...]Article
S. Tsani ; S. Tsani ; P. Koundouri ; E. Akinsete |Recent policy developments in Europe consider the importance of water ecosystems to human wellbeing and the detrimental effects that multiple pressures may have on them. Several directives and measures which culminated with the design and the im[...]Article
A. Tomaz ; P. Palma ; S. Fialho ; A. Lima ; P. Alvarenga ; M. Potes ; M.J. Costa ; R. Salgado |Salinization and sodification are important processes of soil degradation affecting irrigated lands. A large proportion of the global irrigated area is affected by some degree of soil salinity or sodicity caused by the intensification of irrigat[...]Article
C. Labrousse ; W. Ludwig ; S. Pinel ; M. Sadaoui ; G. Lacquement |In the Mediterranean, climate change and human pressures are expected to significantly impact the availability of surface water resources. In order to quantify these impacts during the last 60 years (19592018), we examined the hydro-climatic an[...]Article
E. Iwasaki ; S. Elbeih ; A. Shalaby ; H. Khedr ; E.S. Zaghloul |The number of deep groundwater wells in the arid lands of Egypt has increased greatly since the mid-twentieth century. Modern well drilling technology using rotary drilling rigs and pumping tests came to Egypt with the beginning of the New Valle[...]Article
Dans un contexte de déficits hydriques récurrents, lirrigation raisonnée des vignes a été mise en avant comme une solution adaptée pour régulariser la production (en volume et en qualité) et préserver de façon durable loutil de production. Dan[...]Article
J.M. Gonçalves ; S. Ferreira ; R. Eugénio ; M. Nunes ; H. Damásio ; I. Ferreira |Le périmètre irrigué de la Vale do Lis situé dans le centre côtier du Portugal est administré par une association dusagers qui gère lexploitation et lentretien des principales infrastructures de pompage et dadduction de leau vers les parcel[...]Article
Quel est le potentiel réel déconomie deau à la parcelle résultant du changement de matériel dirrigation ou de l'adoption doutils de pilotage dans un contexte donné ? Pour répondre à cette question, les auteurs de cet article ont compil[...]Article
K. Abannar ; C. Mazaleyrat ; J.-J. Weber ; E. Audouin ; C. Bonillo ; C. Dejean ; G. Froment ; J.-M. Lopez |Sur le territoire des Coteaux de Gascogne, agriculteurs, chercheurs et gestionnaires de leau sengagent pour une transition agro-écologique des systèmes de culture irrigués. Cest dans ce contexte quen 2019, un projet pilote a permis de réalis[...]Article
A. Elbeltagi ; M.R. Aslam ; A. Malik ; B. Mehdinejadiani ; A. Srivastava ; A.S. Bhatia ; J. Deng |Spatial-temporal information of different water resources is essential to rationally manage, sustainably develop, and optimally utilize water. This study focused on simulating future water footprint (WF) of two agronomically important crops (i.e[...]Article
Développer une politique de stockage de l'eau dans le cadre du plan de relance de l'économie est nécessaire pour lutter contre le réchauffement climatique et sécuriser le revenu des agriculteurs.Article
« Leau, cest la vie » disait Saint-Exupéry. Aucun être vivant sur la planète ne peut survivre sans cette ressource. Mais plus de deux milliards de personnes nont pas accès à une eau potable, plus de quatre milliards ne disposent pas de servic[...]Article
A. Elbeltagi ; J. Deng ; K. Wang ; A. Malik ; S. Maroufpoor |Crop evapotranspiration (ETc) is one of the most basic components of the hydrologic cycle that is effective in irrigation system design and management, water resources planning and scheduling, and hydrologic water balance. Thus, precise estimati[...]Article
F. Pedrero ; S.R. Grattan ; A. Ben-Gal ; G.A. Vivaldi |Olive trees are iconic to the Mediterranean landscape and in recent times, have expanded to other regions across the globe that share similar climatic conditions. Olive oil production benefits from irrigation, but with a changing climate and unc[...]Article
Article
Marine protected areas (MPAs) are a conservation tool that are increasingly commonplace around the world. MPAs have the potential to benefit both ecosystems and human communities if well-designed and implemented. Achieving effective implementati[...]Article
M.P. Vilas ; P.J. Thorburn ; S. Fielke ; T. Webster ; M. Mooij ; J.S. Biggs ; Y.-F. Zhang ; A. Adham ; A. Davis ; B. Dungan ; R. Butler ; P. Fitch |Intensive agricultural practices represent a major threat to aquatic ecosystems because they impair water quality. However, this can be ameliorated by farmers improving crop management provided they are aware of their contribution to declining w[...]Article
L. Smuleac ; C. Rujescu ; A. Smuleac ; F. Imbrea ; I. Radulov ; D. Manea ; A. Ienciu ; T. Adamov ; R. Pascalau |Global warming is an unanimously accepted phenomenon by the international scientific community, being already highlighted by the analysis of observational data over long periods of time, with an increase in temperature of over 1 °C. Climate chan[...]Article
Fulfilling both Water and soil conservation and Integrated rural development objectives, hillside reservoirs are very popular components of water and/or rural management strategies. In Central Tunisia, more than 800 reservoirs have been buil[...]