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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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A hill reservoir is a small lake resulting from a small dam. The parameters describing the watersheds were also recorded in a similar data bank. Maps of different watersheds were stored using a geographical information system GIS.

At the same time, studies on sheet erosion and gully erosion were carried out in the watersheds. Since the beginning of the project, annual records of all observations made from September to Collinair at these test sites have been published.

The observations made during different hydrological periods aided in the understanding of the present geochemical evolution of water collinaiire confirmed the importance of reservoir hydrology in this evolution. Revue des sciences de l’eau 17, no. The geochemical characterization of the water in hill reservoirs showed three major groups: Among other uses of the reservoir water, cattle watering and domestic needs were also important.


Solid transport cillinaire from 1. Switch to classic view. They are integrated in a natural way within the landscape and do not create any particular pollution problems. Their construction has several objectives:.

During winter, high potential evapotranspiration values are due to strong winds. After an analysis and synthesis of these projects in each country, seven test sites were chosen and a multidisciplinary approach was adopted. Revue des sciences de l’eau17 2— On the Kamech site in Collinairee Bon the dam was equipped with 4 fuel water pumps. Economic, social and environmental studies were made using surveys with the farmers.

L’étude preliminaire du lac collinaire de Djorf (Wilaya de Sétif) [1971]

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. The use of water in the hill reservoirs appeared to be limited, but variable from one lake to the other.

There is little to no exploitation of hill reservoirs that are far from the markets. An agronomic survey was carried out in Tunisia on water requirements for the main cropping systems and for different irrigation systems traditional, sprinkler or drip irrigation on two semi-arid sites.

lac collinaire – translation – French-Arabic Dictionary

Intensive cultivation of drip-irrigated tomatoes and peppers 10 ha collinire with traditional irrigated gardens. The spillways were shaped collinairre such a way that discharge could be estimated. They regulate water flow and thus help to maintain populations in place, ensuring for them real possibilities of development. Micro-meteorological studies on rainfed agriculture allowed the estimation of actual evapotranspiration fluxes for hard wheat at both sites. In all semi-arid Mediterranean regions, ovine breeding is an important income for farmers.


The observed actual evapotranspiration of hard wheat 2. Download the article in PDF to read it.

Hill reservoirs contain fifty thousand to one million m3 of runoff water from watersheds whose areas range from a few hectares to several km2. Water samples were collected seasonally during the project. In addition collinaiee a training program collinairre co-ordination activities, four projects were carried out:.

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.

Access to water and social organizations were studied as well as the division of responsibilities among state, collectivities and the individual.