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Documents disponibles dans cette catégorie (50)
Article
B. Latrech ; T. Hermassi ; S. Yacoubi ; A. Slatni ; F. Jarray ; L. Pouget ; M.A. Ben Abdallah |Systematic biases in general circulation models (GCM) and regional climate models (RCM) impede their direct use in climate change impact research. Hence, the bias correction of GCM-RCMs outputs is a primary step in such studies. This study compa[...]Article
A. Elbeltagi ; A. Srivastava ; A.H. Al-Saeedi ; A. Raza ; I. Abd-Elaty ; M. El-Rawy |The estimation of reference evapotranspiration (ETo), a crucial step in the hydrologic cycle, is essential for system design and management, including the balancing, planning, and scheduling of agricultural water supply and water resources. When[...]Article
R. Gamal ; M. El-Shirbeny ; A. Abou-Hadid ; A. Swelam ; A.-G. El-Gindy ; Y. Arafa ; V. Nangia |Evapotranspiration (ET) is a significant consumer of irrigation water and precipitation on cropland. Global and regional interest in the sustainable management of limited freshwater supplies to meet the rapidly increasing population and food dem[...]Article
In arid and semi-arid regions, agriculture is an important element of the national economy, but this sector is a large consumer of water. In a context of high pressure on water resources, appropriate management is required. In semi-arid, intensi[...]Article
J. Elfarkh ; V. Simonneaux ; L. Jarlan ; J. Ezzahar ; G. Boulet ; A. Chakir ; S. Er-Raki |Quantification of actual crop evapotranspiration (ETa) over large areas is a critical issue to manage water resources, particularly in semi-arid regions. In this study, four models driven by high resolution remote sensing data were intercompared[...]Article
The main type of consumptive water use is crop evapotranspiration. The historical evolution of crop evapotranspiration depends on climate and cropland changes. These two latter variables present complex interactions and are expected to continue [...]Article
M. Achite ; M. Jehanzaib ; M.T. Sattari ; A.K. Toubal ; N. Elshaboury ; A. Walega ; N. Krakauer ; J.-Y. Yoo ; T.-W. Kim |Evapotranspiration (ET) is a significant aspect of the hydrologic cycle, notably in irrigated agriculture. Direct approaches for estimating reference evapotranspiration (ET0) are either difficult or need a large number of inputs that are not alw[...]Article
This work was initiated in 2019 within the FAO WEPS project framework (20182022), aiming to determine the Water Productivity (WP) of the Tunisian olive orchards combining two scales of measurements for soil moisture determination: one for the g[...]Article
A. Elbeltagi ; A. Nagy ; S. Mohammed ; C.B. Pande ; M. Kumar ; S.A. Bhat ; J. Zsembeli ; L. Huzsvai ; J. Tamás ; E. Kovács ; E. Harsányi ; C. Juhász |Reference crop evapotranspiration (ETo) is an important component of the hydrological cycle that is used for water resource planning, irrigation, and agricultural management, as well as in other hydrological processes. The aim of this study was [...]Article
L.E. Dewenam ; S. Er-Raki ; J. Ezzahar ; A. Chehbouni |The main goal of this investigation was to evaluate the potential of the WOFOST model for estimating leaf area index (LAI), actual evapotranspiration (ETa), soil moisture content (SM), above-ground biomass levels (TAGP) and grain yield (TWSO) of[...]Article
S. Masia ; A. Trabucco ; D. Spano ; R.L. Snyder ; J. Susnik ; S. Marras |The impact of climate change on agriculture is projected to be more severe over the coming years due to changing intensity, magnitude and distribution of precipitation, soil water content, atmospheric water vapor, higher temperatures, and thus l[...]Article
This paper is a first attempt to compute the total water needs of an agricultural plain with remote sensing and ground data in Iran. The cropping areas were mapped with Sentinels-2 images, based on NDVI profiles classification. This model was va[...]Article
Z. Moumen ; I. Elhassnaoui ; W. Khaddi ; M.A. Wahba ; A. Lahrach |Future projection shows that the availability of freshwater per capita will decrease to 560 m3/year by 2030 in Morocco. In this realm of adopting efficient irrigation, alternatives become a priority to overcome water shortage. The presente[...]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
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
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
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
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
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
A. Elbeltagi ; L. Zhang ; J. Deng ; A. Juma ; K. Wang |Accurate estimation of crop evapotranspiration (ETc) is essential for water resources management, planning, and scheduling. This study focuses on estimating, predicting and modeling crop coefficients kc of maize which is an important parameter f[...]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 aimed to assess the sustainability in water use at the basin scale through the water footprint (WF). The methodology proposed by the Water Footprint Network was integrated with a hydrological and water quality model and in-stream moni[...]Article
P.S. Minhas ; T.B. Ramos ; A. Ben-Gal ; L.S. Pereira |Soil and water salinity and associated problems are a major challenge for global food production. Strategies to cope with salinity include a better understanding of the impacts of temporal and spatial dynamics of salinity on soil water balances [...]Ouvrage
M. Zribi, ed. ; L. Brocca, ed. ; Y. Tramblay, ed. ; F. Molle, ed. | Amsterdam [Pays-Bas] : Elsevier | 2020Water Resources in the Mediterranean Region summarizes and collates scientific developments around water resources in the Mediterranean socio-economic environment through a multidisciplinary framework synthesizing hydrology, hydrogeology, climat[...]Article
Drought is considered an environmental disaster with a direct and devastating impact on agriculture. However, little research focuses on climate change related drought variations across the global grain production area (GGPA). Thus, the variatio[...]Article
The Mediterranean basin is the largest world area having specific climatic conditions suitable for olive cultivation, which has a great socio-economic importance in the region. However, the Mediterranean might be particularly affected by climate[...]Ouvrage
M. Erena, coord. ; A. Lopez-Francos, coord. ; S. Montesinos, coord. ; J.-F. Berthoumieu, coord. | Zaragoza [Espagne] : CIHEAM-IAMZ | Options Méditerranéennes : Série B. Etudes et Recherches, ISSN 1016-1228 | 2012The loss of competitiveness and the abandonment of agricultural activities in many rural areas of Southwest Europe are worsened by problems related to water shortage and the rise in natural hazards such as droughts. Remote sensing and geographic[...]Communication à un Congrès (avec Actes)
J. Ezzahar ; A. Chehbouni ; S. Er-Raki ; S. Khabba ; L. Hanich | 2009Accurate measurements of heat and water fluxes are required for optimizing water management and for validating models simulating crop water consumption. For the olive orchard, which is the dominant crop in Mediterranean regions, very little info[...]Actes de Congrès ou Communication isolée
M. El Moujabber, ed. ; L. Mandi, ed. ; G. Trisorio Liuzzi, ed. ; I. Martín, ed. ; A. Rabi, ed. ; R. Rodriguez, ed. | Bari [Italie] : CIHEAM-IAMB | Options Méditerranéennes : Série A. Séminaires Méditerranéens, ISSN 0253-1542 | 2009The second MELIA Project Workshop has involved debate and dialogue on the technological perspectives for rational use of water resources in the Mediterranean region. The aim was to assess and promote sector options and schemes for water saving a[...]Actes de Congrès ou Communication isolée
A. Santini, ed. ; N. Lamaddalena, ed. ; G. Severino, ed. ; M. Palladino, ed. | Bari [Italie] : CIHEAM-IAMB | Options Méditerranéennes : Série A. Séminaires Méditerranéens, ISSN 0253-1542 | 2008During recent years there has been much progress in understanding mass and energy exchanges in the soil-plant-atmosphere system. It is nowadays well acknowledged that these processes greatly influence the management of water resources in agricul[...]