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Open access

Boualem Remini, Bachir Achour, Cheikh Ouled Belkhir and Dahmane Baba Amar

Abstract

This paper describes for the first time an original foggara, different from the classical foggara (foggara of Gourara) which collects water from the Intercalary Continental aquifer. Located in the middle of the Mzab River, this hydraulic system called the Mzab foggara is intended to exploit the flood waters. Two missions were carried in 2009 and 2010 in the Mzab Valley to describe the hydraulic system. The Mzab foggara constitutes of a gallery of ovoid form 200 m long equipped with 9 air shafts and a 900 m long seguia. The foggara of the Mzab River can drain water flow of 5 m3·s-1 to irrigate western part of the palm plantation of Ghardaia (located 600 km south of Algiers).

Open access

Vasile Loghin

Abstract

Copernicus is an operational program of the European Union for environmental monitoring and civil security. It provides services for collecting, processing and distributing data from Earth observation satellites and network measurements (records) onsite. Copernicus services covers six thematic areas: atmosphere, climate, oceans and seas, the continental emergencies and civil security.

Information can be accessed free of charge on specific websites (www.copernicus.eu) by public institutions / national and international organizations, the scientific community, to be used in developing appropriate policies on the environment and civil security.

Open access

Aleksandra Mierzejowska and Monika Żogała

Abstract

From the beginning of human existence, man collected and analysed information about the space that surrounded him. Nowadays, due to the huge amount of data, it would be impossible without geographic information systems. According to the definition, the main function of GIS (Geographic Information Systems) is to collect, process, integrate, analyse and present data directly collected in the database or obtained through analysis. The basis of each information system’s functioning is the collection of relevant data about real-world objects, in terms of their completeness, quality and reliability. Due to the very rapid development of information technology, GIS systems have found a wide application, eg. in spatial planning, real estate management, administration, infrastructure management and many other areas of life. The authors within the article have made a detailed review of the current using of GIS, with particular emphasis on the mining industry. In the latter, particular attention was focused on the use of this type of tools to monitor and analyse the effects of mining activities. At the same time, the authors indicated new possibilities related to the application of geographic information systems in this branch.

Open access

Chokri Bedoui

Abstract

This study was conducted with a view to quantifying soil erosion in arid lands of Tunisia. To do this, we have opted to use the RUSLE model based on geographic information systems. By collecting data on rainfall, soils, vegetation, slopes and conservation practices separately as a layer and determining the pixel values for each of these factors, a quantified assessment of erosion in the basin is obtained. The data superposition and computing, following the model equations and protocol, allowed us to know the spatialized water erosion values at the pixel level. For the whole catchment, the study showed values oscillating between 0 and 163 Mgꞏha−1ꞏyear−1 with an average annual rate of 3 Mgꞏha−1ꞏyear−1. With such a low R (rainfall erosivity) factor (between 21.43 and 21.88 MJꞏmmꞏha–1ꞏh–1ꞏyear–1) itself related to low monthly and annual rainfall amounts, the region experiences locally very high annual erosion rates. Soil protection through conservation practices has saved the basin from even higher erosion. While plains cultivated and equipped with contour benches often suffer from low rates of erosion (less than 2 Mg·ha–1·year–1), unused slopes are neglected without protection, resulting in significantly high rates of erosion.

Open access

Boualem Remini

fromqanats in Algeria. Irrigation and Drainage Systems. Vol. 25. No. 4 p. 293–306. DOI: 10.1007/S10795-012-9125-6. R emini B., A chour B., K echad R. 2014a. The collecting of groundwater by the qanats: A millennium technique decaying. Larhyss Journal. No. 20 p. 259–277. R emini B., A chour B., O ouled B elkhir C., B aba A mar D. 2012b. The Mzab foggara: An original technique for collecting the water rising. Journal of Water and Land Development. No. 16 p. 49–53. R emini B., R ezoug C., A chour B. 2014b. The foggara of Kenadsa (Algeria

Open access

Cheikh Ouled Belkhir and Boualem Remini

Series II p. 991–996. O uled B elkhir C. 2002. Contribution to the study and the establishment of the water balance of the basin of Ouargla (Sahara East North – Algeria). Master Thesis. Blida. Blida University pp. 143. R emini B., A chour B., O uled B elkhir C., B aba A mar D. 2012. The Mzab foggara: an original technique for collecting the water rising. Journal of Water and Land Development. No. 16 p. 49–53. R oche M.A. 1996. Protection of the sewerage system of the M'zab valley against floods. Internal hydrological study report. Lausanne

Open access

Abdelkader Hadidi, Boualem Remini and Mohamed Habi

foggara of Timimoun (Algeria): The decline of hydraulic heritage. Asian Journal of Water, Environment and Pollution. Vol. 12. No. 3 p. 51–57. DOI 10.3233/AJW-150006. R emini B., O uled B elkhir C., A chour B., B aba A mar D. 2012. The Mzab foggara: Sn original technique for collecting the water rising. Journal of Water and Land Development. No. 16 p. 49–53. R emini B., R ezoug C. 2017. La khottara de la Saoura: un patrimoine hydraulique en déclin [The khottara of Saoura: Hydraulic heritage in decline]. Larhyss Journal. No. 30 p. 273–296.

Open access

Kheira Bouamer, Boualem Remini, Mohamed Habi and Khaled Rezzag

). May. R emini B. 2006. The disappearance of ghouts in the region of El Oued (Algeria). Larhyss Journal. No. 5 p. 49–62. R emini B., A chour B., O uled B elkhir C., B aba A. 2012. The Mzab foggara: An original technique for collecting the water rising. Journal of Water and Land Development. No. 16 p. 49–53. R emini B., K echad R. 2011. Impact of the water table razing on the degradation of El Oued palm plantation (Algeria): Mechanisms and solutions. Geographia Technica. No. 1 p. 48–56. Y amani K., H azzab A., S ekkoum M., S limane T

Open access

Zbigniew Kowalewski

Actions for small water retention undertaken in Poland

An increase of water retention in the programmes of small retention in the country to the year 2015 is estimated at 1141 million m3. It means annual mean increase of retention capacity by c. 60 million m3. Accomplishment of relevant actions in the years 1997-2007 allowed collecting 57 million m3 in lakes, c. 56 million m3 in artificial reservoirs, 18.5 million m3 in fishponds, c. 10.5 million m3 with the channel retention and over 2 million m3 in other investments. It makes total increase of water retention by 142 million m3 which is 12.4% of target retention and the mean annual increment of c. 13 million m3.

The paper presents volumes of retained water, sources and structure of financing, mean unit costs of retention increments and the increase of retention capacity in particular voivodships (acc. to new administration division) in the years 1998-2007.

Open access

Imed Loukam, Bachir Achour and Lakhdar Djemili

. Journal of Hydraulic Research. Vol. 19(2) p.119–140. R emini B. 2016. The role of the gallery in the functioning of the foggara. Journal of Water and Land Development. No. 29 p. 49–57. DOI 10.1515/jwld-2016-0011. R emini B., A chour B., O uled B.C., B aba A.D. 2012. The Mzab foggara: an original technique for collecting the water rising. Journal of Water and Land Development. No. 16 p. 49–53. S treeter V.L. 1936. Frictional resistance in artificially roughened pipes. Transactions of the American Society of Civil Engineers. No. 101 p. 681