L’étude preliminaire du lac collinaire de Djorf (Wilaya de Sétif) . Milinusic, B.M. Kats, M.J. Ministere de l’Agriculture et de la Reforme Agraire, Algiers. Programme de recherche sur les lacs collinaires dans les zones semi-arides du pourtour méditerranéen. An article from journal Revue des sciences de l’eau. , Oct , M. [IMG], lac-collinaire- , Nov , 20K. [IMG], lac-collinaire- COUP_medium.
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The observed actual evapotranspiration of hard wheat 2. Micro-meteorological studies on rainfed agriculture allowed the estimation of actual evapotranspiration fluxes for hard wheat at both sites. The parameters describing the watersheds were also recorded in a similar data bank.
L’étude preliminaire du lac collinaire de Djorf (Wilaya de Sétif) 
Water samples were collected seasonally during the project. Hill reservoirs contain fifty thousand to one million m3 of runoff water from watersheds whose areas range from a few hectares to several km2.
On the Kamech site ,ac Cap Bon the dam was equipped with 4 fuel water pumps. The use of water in the hill reservoirs appeared to be limited, but variable from one lake to the other.
Intensive cultivation of drip-irrigated tomatoes and peppers 10 ha coexists with traditional irrigated gardens.
Download the article in PDF to read it. Revue des sciences de l’eau17 2— Switch to classic view. Revue des sciences de l’eau 17, no.
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At the same time, studies on sheet erosion and gully erosion were carried out in the watersheds. Maps of different watersheds were stored using a geographical information system GIS. Economic, social and environmental studies were made using surveys with the farmers. An agronomic survey was carried out in Tunisia on water requirements for the main cropping systems and collinairee different irrigation systems traditional, sprinkler or drip irrigation on two semi-arid sites.
The spillways were shaped in such a way that discharge could be estimated. In addition to collinaird training program and co-ordination activities, four projects were carried out:. A computerized bank of hydrological data was set up. They are integrated in a natural way within the landscape and do not create any particular pollution problems. Among collinairf uses of the reservoir water, cattle watering and domestic needs were also important.
Their construction has several objectives:.
L’étude preliminaire du lac collinaire de Djorf (Wilaya de Sétif)
Access to water clolinaire social organizations were studied as well as the division of responsibilities among state, collectivities and the individual. A hill reservoir is a small lake resulting from a small dam.
One station was connected to a tipping bucket rain gauge 0. All small reservoirs at the test sites were equipped with a water level gauge, an evaporation pan, and two stations for automatic data collection.
Mediterranean, water, small collimaire, hill reservoirs, rural hydraulic works. The main objective of this work was to build a hydrological model suitable for semiarid Mediterranean catchments with hill reservoirs, with two specific objectives: At the catchment scale, measurements of energy balance showed a very strong water demand throughout the year. During winter, high potential evapotranspiration values are due to collijaire winds.
They regulate water flow and thus help to maintain populations in place, ensuring for them real possibilities of development. In all semi-arid Mediterranean regions, ovine breeding is an important income for farmers. There is little to no exploitation of hill reservoirs that are far from the markets. Solid transport varied from 1. The observations made during different hydrological periods aided in the understanding of the present geochemical evolution of water and confirmed the importance of reservoir hydrology in this evolution.