@article{fdi:010076325, title = {{W}ater balance for different land use and crop sequences under semiarid environment}, author = {{M}ekki, {I}. and {Z}itouna {C}hebbi, {R}. and {J}acob, {F}r{\'e}d{\'e}ric and {M}asmoudi, {M}. and {P}r{\'e}vot, {L}. and {B}en {M}echlia, {N}. and {V}oltz, {M}. and {A}lbergel, {J}ean}, editor = {}, language = {{ENG}}, abstract = {{I}n semiarid agrosystems, improving management of soil and water resources requires developing reliable means for characterizing the temporal dynamics of soil water balance in a spatially distributed manner. {T}he purpose of this study is to analyze soil water balance in relation to natural drivers (i.e. rainfall and soil properties) and anthropogenic forcing (i.e. land use and crop successions). {W}e focuson a hilly watershed devoted to rainfed agriculture, so-called the {K}amech watershed, which is located in the {C}ap {B}on {P}eninsula, north-eastern {T}unisia. {T}he soil moisture analysis is based on in-situ data collected in different fields and during various crop growth cycles under the common cereals/legumes/pasture cropping systems. {I}n-situ data include water balance components and vegetation parameters. {T}he results show that annual rainfall is mainly converted into evapotranspiration during the growing cycle for different land uses. {T}he runoff amounts, for most of the sites, correspond to less than 10% of the rainfall amount. {T}he evapotranspiration ratio significantly differs in relation to soil properties and cumulated rainfall. {W}e observe large differences in soil water dynamics among the legumes (fababean and chickpea) and cereals (wheat, oat, and triticale). {S}oil water is larger for legume crops, despite substantial plant growth during winter-spring. {T}his is ascribed to the shallow root systems of fababean and chickpea that induces a restricted access to deep water. {D}espite drought conditions during summer, bare soil following annual pasture and legumes corresponded to larger amounts of soil water as compared to cereals. {T}he amount of available water observed ranges from 0 mm to nearly 100 mm.}, keywords = {{BILAN} {HYDRIQUE} ; {EAU} {DU} {SOL} ; {UTILISATION} {DU} {SOL} ; {SYSTEME} {DE} {CULTURE} ; {CULTURE} ; {RESSOURCES} {EN} {EAU} ; {RESSOURCES} {EN} {SOL} ; {PLUIE} ; {HUMIDITE} {DU} {SOL} ; {PRECIPITATION} ; {VARIATION} {ANNUELLE} ; {EVAPOTRANSPIRATION} ; {RUISSELLEMENT} ; {BASSIN} {VERSANT} ; {COLLINE} ; {GESTION} {DE} {L}'{EAU} ; {TUNISIE} ; {TUNISIE} {NORD} {EST} ; {KAMECH} {BASSIN} {VERSANT} ; {CAP} {BON} ; {ZONE} {SEMIARIDE} ; {ZONE} {MEDITERRANNEENNE}}, booktitle = {}, journal = {{R}evue des {R}{\'e}gions {A}rides}, volume = {35}, numero = {{N}o sp{\'e}cial}, pages = {769--775}, ISSN = {0330-7956}, year = {2014}, URL = {https://www.documentation.ird.fr/hor/fdi:010076325}, }