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7.3 - Eau. Gestion de l'Eau |
Documents disponibles dans cette catégorie (910)
Article
Agricultural production is the main consumer of water. Future population growth, income growth, and dietary shifts are expected to increase demand for water. The paper presents a brief review of the water footprint of crop production and the sus[...]Article
J. Rocha ; C. Carvalho-Santos ; P. Diogo ; P. Beça ; J.J. Keizer ; J.P. Nunes |Future climate for the Mediterranean climatic region is expected to bring an increase in temperatures, decrease in the precipitation quantity and shifts in the seasonal precipitation pattern. Although the impacts of climate change on water resou[...]Article
L. Parra ; L. Parra ; M. Botella-Campos ; H. Puerto ; B. Roig-Merino ; J. Lloret |Improving water efficiency in farming systems is one of the major challenges of these decades. Water scarcity due to climate change, together with the increasing demand of food, is leading experts from around the world find appropriate indicator[...]Article
Regulating water use in agriculture in water stressed basins is a challenging task. Recent scholarship emphasises the need to combine strong State oversight for achieving the collective extraction caps with considerable leeway to users to alloca[...]Article
Good management of water resources requires a good allocation of their availability, especially in public irrigated schemes in Tunisia. This paper contributes to a better reallocation of available water resources at the farm and regional levels.[...]Article
This work attempts to understand and analyze the concept of virtual water, a newly introduced device used by developed countries to better refine the evolution of the water situation subject to these inter-country water transfers. However, the t[...]Article
Desalination for sustaining agricultural production is conceived as an alternative water source in some Mediterranean countries faced with climatological and hydrological constraints. Although high costs are often cited as limiting factors, how [...]Bulletin : Revue
Courrier international, h.s. Septembre-Octobre 2020 - Septembre-Octobre 2020 - Atlas de l'eau
A. Aubron, dir. | 2020A Courrier international, lidée de cet atlas de leau nous trottait dans la tête depuis plusieurs années : le sujet est omniprésent dans nos pages comme sur notre site et dans nos précédents atlas. Leau, voie navigable ; laccès à leau,[...]Article
Sustainable food systems are high on the political and research agendas. One of the three pillars of sustainability is environmental sustainability. We argue that, when defining related policies, such as policies under the European Green Deal, b[...]Article
M. Bijani ; D. Hayati ; H. Azadi ; V. Tanaskovik ; F. Witlox |This study aimed to analyze the causes and consequences of agricultural water conflicts among agricultural water beneficiaries in the irrigation network of Doroodzan dam, Iran. This research applied mixed-method and descriptive analysis, which w[...]Article
C. González-Pavón ; J. Arviza-Valverde ; I. Balbastre-Peralta ; J.M. Carot Sierra ; G. Palau-Salvador |This work focuses on the situation of the technological transition to new technologies in drip irrigation in the Valencian Community (Spain). The study covers the last decade with data from interviews to managers of Irrigation Communities in 201[...]Article
Y. Chanyour ; K. Obda ; O. El Achari |Le bassin versant de loued Daoura est situé dans un contexte climatique aride et présaharien. La quantité de leau disponible est faible et variable dans lespace et dans le temps. En plus de la rareté de leau et de son inégale répartition, du[...]Article
G. Nikolaou ; D. Neocleous ; A. Christou ; E. Kitta ; N. Katsoulas |The sustainability of irrigated agriculture is threatening due to adverse climate change, given future projections that every one in four people on Earth might be suffering from extreme water scarcity by the year 2025. Pressurized irrigation sys[...]Article
G. Balacco ; V. Torato ; V. Iacobellis ; A. Manni ; M. Spagnoletta ; A.F. Piccinni |The COVID-19 pandemic affected the lives of millions of people, radically changing their habits in just a few days. In many countries, containment measures prescribed by national governments restricted the movements of entire communities, with t[...]Article
Irrigation water accounting (IWA) plays a key role in irrigation management in arid or semi-arid environments. Currently, water managers perform IWA through indirect or direct measurements such as statistical methods or flow meters. However, the[...]Article
Irrigated agriculture is essential to satisfying the globally increasing demand for food and bio-based products. Yet, in water scarce regions, water-use for irrigation aggravates the competition for the use of water for other purposes, such as e[...]Article
Water pricing policy for irrigated agriculture is considered as a key issue in the Water Framework Directive (WFD) implementation. The main obstacle is that a large part of the water used in agriculture is unmetered. The objective of this study [...]Article
Climate variability in agriculture and crop water requirement: spatial analysis of Italian provinces
Water saving in crop production under climate and environmental changing conditions represents a critical issue for agricultural economy and sustainability. This study develops a novel approach to measure the impact of climate variability on cro[...]Article
Pesticides play a crucial role in regulating crop production by reducing crop losses and increasing crop yield and quality. However, they may threaten surface and groundwater, a phenomenon occurring at global scale, potentially causing environme[...]Article
V. Kypréos ; G. Lacquement ; F. Authier ; W. Ludwig |Cet article propose une analyse de la vulnérabilité des exploitants agricoles confrontés au risque de diminution de leau en contexte de changement climatique. Elle porte sur des petites régions du Roussillon, délimitée par le bassin versant de [...]Article
Comment économiser r eau dans les cultures dans un climat qui se réchauffe tout en maintenant la production en quantité et qualité ? Trois agronomes spécialistes des productions végétales ont accepté de répondre à cette question.Article
Le changement climatique va modifier la disponibilité en eau. La manière de sy adapter peut être examinée à laune de situations actuelles où la pénurie existe déjà. Cest le cas du bassin versant de la Tille qui a engagé une planification des [...]Article
This paper presents an analytical framework to identify and understand grassroots water governance practices, which we call 'rooted water collectives' (RWC). RWCs can be multi-scalar organizations that engage in common property resources managem[...]Article
D. Romic ; J. Karoglan Kontic ; D. Preiner ; M. Romic ; B. Lazarevic ; E. Maletic ; G. Ondrasek ; H. Andabaka ; H. Bakic Begic ; M. Bubalo Kovacic ; L. Filipovic ; S. Husnjak ; Z. Markovic ; D. Stupic ; I. Tomaz ; M. Zovko |Stony karst landscape in the Adriatic coastal area has been cultivated for centuries to grow Mediterranean crops. Shallow and less fertile soils were mostly used for rain-fed grapevine and olive production. Native grapevine cultivars are, in gen[...]Article
Water is becoming an increasingly scarce resource worldwide, suggesting that water rationing methods should be revised to improve water allocation efficiency, especially during cyclical scarcity events (droughts). The proportional rule is the mo[...]Article
M.P. Papadopoulou ; D. Charchousi ; K. Spanoudaki ; A. Karali ; K.V. Varotsos ; C. Giannakopoulos ; M. Markou ; M. Loizidou |This study focuses on the quantification of climate change (CC) effects on agricultural water availability in Cyprus. Projections of climatic variables, based on Regional Climate Models (RCMs) forced by the Representative Concentration Pathways [...]Article
Climate change will affect the water resources system, on global and regional levels. Over the past thirty years, the High Atlas Mountains in Morocco have experienced severe droughts, which causes a decrease in water supply that affects both agr[...]Article
V.A. Tzanakakis ; V.A. Tzanakakis ; A.N. Angelakis ; N.V. Paranychianakis ; Y.G. Dialynas ; G. Tchobanoglous |Crete, located in the South Mediterranean Sea, is characterized by long coastal areas, varied terrain relief and geology, and great spatial and inter-annual variations in precipitation. Under average meteorological conditions, the island is wate[...]Article
Green infrastructure (GI) is a nature-based solution that encompasses all actions that rely on ecosystems and the services they provide to respond to various societal challenges such as climate change, food security or disaster risk. The objecti[...]Article
Hydro-economic models (HEMs) constitute useful instruments to assess water-resource management and inform water policy. In the last decade, HEMs have achieved significant advances regarding the assessment of the impacts of water-policy instrumen[...]Article
Dealing jointly with both systemic and social complexity is a challenge that we face with sustainability issues. However, joining these two aspects of complexity is more a post-normal science call than an effective practice. Roughly speaking, [...]Article
E.A. Abioye ; M.S.Z. Abidin ; M.S.A. Mahmud ; S. Buyamin ; M.H.I. Ishak ; M.K.I.A. Rahman ; A.O. Otuoze ; P. Onotu ; M.S.A. Ramli |The demand for freshwater is on the increase due to the rapid growth in the world's population while the effect of global warming and climate change cause severe threat to water use and food security. Consequently, irrigation systems are tremend[...]Article
A. Elbeltagi ; J. Deng ; K. Wang ; Y. Hong |Modeling crop water use as a useful decision tool for agricultural policy decision-makers to improve water-use efficiency has been increasing. This study aimed to estimate, forecast, and model the green and blue water footprints (WFg and WFb, re[...]Article
Reuse of wastewater (WW) as an agricultural irrigation source is being considered with increasing interest, mainly in arid and semiarid zones. However, due to the complex nature of WW its reuse can have an impact on the fate of the pesticides ad[...]Article
Water has important economic values, mainly in the agricultural sector. Beside enhancing agricultural output and crop diversification, irrigation generates positive externalities which have been little emphasized by the literature. The purpose o[...]Article
The overexploitation of groundwater for irrigation purposes is a general problem affecting the management of common resources. The objective of this study was to analyze some of the policy options when facing this issue. A choice experiment was [...]Article
En France, depuis ladoption de la loi sur leau de 1992, la gouvernance territoriale de leau et des milieux aquatiques sest progressivement structurée - avec de fortes variations géographiques - autour des Schémas daménagement et de gestion [...]Article
Apulia has a considerable demand of irrigation water, however high inefficiency levels of the collective water networks force most of the regional farms to use groundwater, with a consequent worsening of its quality, as well as of soil and crops[...]Article
Understanding the complex relationship between water, agriculture and poverty (WAP) is essential for informed policy-making in light of increasing demand for scarce water resources and greater climatic variability. Yet, our understanding of the [...]Article
The pressure of growing urbanization, industrialization and water scarcity resulting from climate change imposes limitations on the amount of water allocated to agriculture. There will need to be an increase in food production of almost 50% by 2[...]Article
F. Maselli ; M. Chiesi ; L. Angeli ; L. Fibbi ; B. Rapi ; M. Romani ; F. Sabatini |Recent investigations have shown the potential of a water balance method based on Normalized Difference Vegetation Index (NDVI) data to estimate actual evapotranspiration (ETa) of Mediterranean grasslands and croplands. The method uses the Fract[...]Article
This study describes the evolution of the Spanish irrigated sector and focuses on water abstraction, water consumption, and energy use in the period 19502017. The analysis shows evidence of the basins reaching closure state and the impact on en[...]Article
M. Tuninetti ; L. Ridolfi ; F. Laio |International agricultural trade triggers inter-dependency among distant countries, not only in economic terms but also under an environmental perspective. Agricultural trade has been shown to drive environmental threats pertaining to biodiversi[...]Article
Crop water production functions (quantifying crop yield as a function of irrigation rate) can help in the design of management systems that reduce the water footprint. We examined the role of parameter uncertainties in characterizing production [...]Article
N. Dahbi ; L. Messaoudi |Les eaux usées sont de plus en plus utilisées par les agriculteurs des pays en développement. Cette utilisation est motivée principalement par : (a) la pénurie grandissante des ressources en eau et les tensions de plus en plus fortes sur ces res[...]Article
Etant conscient de limportance et de lactualité du sujet de la gestion de leau au Maroc. Et surtout de la gestion rationnelle qui devrait tenir compte des impacts du changement climatique sur les ressources naturelles et sur lagriculture. No[...]Article
I. Ferchichi ; I. Mekki ; M. Elloumi ; L. Arfa ; S. Lardon |Groundwater resources became a recognized enabler of important rural and socio-economic development in Mediterranean countries. However, the development of this groundwater economy is currently associated with an increased pressure on the availa[...]Article
En Algérie le climat se dérègle, leau se raréfie, que faire ? Alors pour répondre à cette interrogation, lhistoire de lhydraulique Algérienne et plus particulièrement les principaux ouvrages ancestraux ont été examinés dans ce papier. Evoque[...]Article
J. Schilling ; E. Hertig ; Y. Tramblay ; J. Scheffran |North Africa is considered a climate change hot spot. Existing studies either focus on the physical aspects of climate change or discuss the social ones. The present article aims to address this divide by assessing and comparing the climate chan[...]Article
Le présent papier examine le sujet dexploitation de la nappe inferoflux dans certaines régions du Sahara Algérien. Sur la base dun travail bibliographique, de collectes de donnés et des investigations effectuées sur des sites du sud Algérien d[...]