@article{fdi:010074386, title = {{OMERE} : a long-term observatory of soil and water resources, in interaction with agricultural and land management in {M}editerranean hilly catchments}, author = {{M}olenat, {J}. and {R}aclot, {D}amien and {Z}itouna, {R}. and {A}ndrieux, {P}. and {C}oulouma, {G}. and {F}eurer, {D}enis and {G}runberger, {O}livier and {L}amach{\`e}re, {J}ean-{M}arie and {B}ailly, {J}. {S}. and {B}elotti, {J}. {L}. and {B}en {A}zzez, {K}. and {B}en {M}echlia, {N}. and {L}ouati, {M}. {B}. and {B}iarn{\`e}s, {A}nne and {B}lanca, {Y}ves and {C}arriere, {D}. and {C}haabane, {H}. and {D}ages, {C}. and {D}ebabria, {A}. and {D}ubreuil, {A}. and {F}abre, {J}. {C}. and {F}ages, {D}. and {F}loure, {C}. and {G}arnier, {F}. and {G}eniez, {C}hantal and {G}omez, {C}{\'e}cile and {H}amdi, {R}. and {H}uttel, {O}. and {J}acob, {F}r{\'e}d{\'e}ric and {J}enhaoui, {Z}. and {L}agacherie, {P}. and {L}e {B}issonnais, {Y}. and {L}ouati, {R}. and {L}ouchart, {X}. and {M}ekki, {I}. and {M}oussa, {R}. and {N}egro, {S}. and {P}{\'e}pin, {Y}annick and {P}revot, {L}. and {S}amouelian, {A}. and {S}eidel, {J}. {L}. and {T}rotoux, {G}. and {T}roiano, {S}. and {V}inatier, {F}. and {Z}ante, {P}atrick and {Z}relli, {J}. and {A}lbergel, {J}ean and {V}oltz, {M}.}, editor = {}, language = {{ENG}}, abstract = {{T}o account for the diversity of agricultural and ecosystem situations in hilly {M}editerranean areas, the agro-hydrological observatory {OMERE} ({O}bservatoire {M}editerraneen de l'{E}nvironnement {R}ural et de l'{E}au) monitors two farmed catchments-one in northern {T}unisia and the other in southern {F}rance. {M}editerranean regions are typified by a highly variable climate, with an alternation of long droughts and intense storms, and by a strong heterogeneity of soil properties, due to a combination of climate, relief, parent materials, sparse vegetation, intense land use, man-made infrastructure (ditches, terraces, etc.), and agricultural activities. {I}n this context, {OMERE} aims to document the impacts of agricultural and land management on mass fluxes in {M}editerranean farmed headwater catchments. {T}he observation strategy is motivated by monitoring water, sediment, and contaminant fluxes and hydrologic and climatic variables at different spatial scales from cultivated plots and landscape elements to the catchment scale. {T}hese measurements have been performed at a fine time resolution over a long-term scale and by surveying land use, agricultural practices, and soil surface characteristics. {T}he long-term observation strategy intends to support integrative multidisciplinary research for elucidating the conditions that improve soil and water management and delivery of ecosystem services in a {M}editerranean rainfed cultivated context. {T}he observatory has led to scientific insights regarding three scientific objectives: (i) to better understand the fluxes of water, erosion, and contaminants, especially pesticides, and of their natural and anthropogenic drivers on short- and long-term scales; (ii) to analyze the aggregate effects of farming and land management on mass fluxes across scales, from plot to catchment or landscape scales; and (iii) to derive new scenarios for sustainable agricultural management and improved delivery of ecosystem services.}, keywords = {{FRANCE} ; {TUNISIE} ; {ZONE} {MEDITERRANEENNE}}, booktitle = {}, journal = {{V}adose {Z}one {J}ournal}, volume = {17}, numero = {1}, pages = {art. 180086 [18 p.]}, ISSN = {1539-1663}, year = {2018}, DOI = {10.2136/vzj2018.04.0086}, URL = {https://www.documentation.ird.fr/hor/fdi:010074386}, }