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7 results on '"Damnati, Brahim"'

1. Littoral Morpho-Dynamic Evolution: The Case of Al-Hoceima (Mediterranean Sea, North Morocco)

Author

Damnati, Brahim, Lemqeddem, Khadija Ait, Ed-daoudy, Lhoussaine, Lahmam, Nouh, Rghif, Yousra, Kacprzyk, Janusz, Series Editor, Gomide, Fernando, Advisory Editor, Kaynak, Okyay, Advisory Editor, Liu, Derong, Advisory Editor, Pedrycz, Witold, Advisory Editor, Polycarpou, Marios M., Advisory Editor, Rudas, Imre J., Advisory Editor, Wang, Jun, Advisory Editor, Ezziyyani, Mostafa, editor, and Balas, Valentina Emilia, editor

Published
2024
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2. Water Erosion Risks Mapping Using RUSLE Model in the Mohamed Ben Abdelkrim El Khattabi Dam Watershed (Central Coastal Rif, Morocco)

Author

Ed-Dakiri, Soukaina, Etebaai, Issam, El Moussaoui, Said, Ikirri, Mustapha, Ait Haddou, Mohamed, Amarir, Salih, Tawfik, Abdelhamid, El Talibi, Hajar, Cherkaoui Dekkaki, Hinde, Abioui, Mohamed, Damnati, Brahim, Mourabit, Taoufik, Singh, V. P., Editor-in-Chief, Berndtsson, R., Editorial Board Member, Rodrigues, L. N., Editorial Board Member, Sarma, Arup Kumar, Editorial Board Member, Sherif, M. M., Editorial Board Member, Sivakumar, B., Editorial Board Member, Zhang, Q., Editorial Board Member, Dubey, Swatantra Kumar, editor, Jha, Prakash Kumar, editor, Gupta, Pankaj Kumar, editor, Nanda, Aliva, editor, and Gupta, Vivek, editor

Published
2022
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3. Abrupt Climatic Changes for the Last 13,000 Cal Years BP Using the Ifrah Lake Data (Middle Atlas, Morocco)

Author

Damnati, Brahim, Reddad, Hanane, Kacprzyk, Janusz, Series Editor, Pal, Nikhil R., Advisory Editor, Bello Perez, Rafael, Advisory Editor, Corchado, Emilio S., Advisory Editor, Hagras, Hani, Advisory Editor, Kóczy, László T., Advisory Editor, Kreinovich, Vladik, Advisory Editor, Lin, Chin-Teng, Advisory Editor, Lu, Jie, Advisory Editor, Melin, Patricia, Advisory Editor, Nedjah, Nadia, Advisory Editor, Nguyen, Ngoc Thanh, Advisory Editor, Wang, Jun, Advisory Editor, and Ezziyyani, Mostafa, editor

Published
2020
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4. Water Quality of El Hachef River (Region of Tangier-Tetouan-AL Houceima, North West Morocco)

Author

Elafia, Mouna, Damnati, Brahim, Bounouira, Hamid, Embarch, Khalid, Amsil, Hamid, Bounakhla, Moussa, Tahri, Mounia, Aarab, Ilyas, Kacprzyk, Janusz, Series Editor, Pal, Nikhil R., Advisory Editor, Bello Perez, Rafael, Advisory Editor, Corchado, Emilio S., Advisory Editor, Hagras, Hani, Advisory Editor, Kóczy, László T., Advisory Editor, Kreinovich, Vladik, Advisory Editor, Lin, Chin-Teng, Advisory Editor, Lu, Jie, Advisory Editor, Melin, Patricia, Advisory Editor, Nedjah, Nadia, Advisory Editor, Nguyen, Ngoc Thanh, Advisory Editor, Wang, Jun, Advisory Editor, and Ezziyyani, Mostafa, editor

Published
2019
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5. Les microcharbons dans les sédiments du lac Ifrah moyen atlas (Maroc) : significations climatiques depuis 24 000 ans cal. bp

Author

Damnati, Brahim and Reddad, Hanane

Subjects
Holocene, lac, Last Glacial Maximum, microcharbon, climat, Dernier maximum glaciaire, feux, Morocco, Maroc, lake, climate, charcoal, fire, Holocène
Abstract

Les paléofeux en relation avec les changements climatiques passés en Afrique du Nord restent encore mal documentés. Une étude multidisciplinaire utilisant la minéralogie, la géochimie et les traces du feu (microcharbon) sur des sédiments du lac Ifrah (Moyen Atlas, Maroc) offre de nouvelles perspectives pour une meilleure compréhension des variations climatiques depuis le dernier maximum glaciaire à nos jours. Depuis 24 000 jusqu’à 13 000 ans cal. BP, la concentration des sédiments en microcharbons était très faible, en lien avec une faible activité de feu et un climat froid. La phase comprise entre 13 000 et 10 800 ans cal. BP est une période de transition. Le début de l’Holocène moyen (entre 10 800 et 4 500 ans cal. BP) se caractérise par une forte augmentation de la concentration de particules de microcharbons. Un pic de ces particules est observé à 107 cm (soit 8 200 ans cal. BP). Cette phase est marquée par une forte activité des feux au cours d’une période sèche. L’Holocène supérieur (entre 4 500 et 1 700 ans cal. BP) marque le retour à des conditions climatiques humides manifestées essentiellement par une baisse modérée de la concentration de particules de microcharbons. The microcharcoal study related to past climate change in North Africa remains poorly documented. A multidisciplinary study using mineralogy, geochemistry and traces of fire (microcharcoal) at Ifrah lake sediments (Middle Atlas, Morocco) offers new perspectives for a better understanding of climate change since the last glacial maximum to the present. From 24,000 to 13,000 cal. yrs BP, the microcharcoal concentration was very low in conjunction with a low fire activity and a cold climate. The phase between 13,000 and 10,800 cal. yrs BP is a period of transition. The beginning of the middle Holocene (between 10,800 and 4500 cal. yrs BP) is characterized by an increase in the concentration of microcharcoal particles. A peak of the particles is observed at 107 cm (ca 8200 cal. yrs BP). This phase is marked by a strong fire activity during a dry period. The upper Holocene (between 4500 and 1700 cal. yrs BP) marks the return of wet climatic conditions showed by a moderate decrease in the concentration of microcharcoal particles.

Published
2017

6. Quantifying erosion using 137Cs and 210Pb in cultivated soils in three Mediterranean watershed: Synthesis study from El Hachef, Raouz and Nakhla (North West Morocco)

Author

Damnati, Brahim, Ibrahimi, Sanaa, and Radakovitch, Olivier

Subjects
*SOIL erosion, *LEAD, *WATERSHEDS, *ESTIMATION theory, *MASS budget (Geophysics)
Abstract

Abstract: Measurements of soil erosion on the Moroccan landscape using classical erosion methods have been the objective of several research studies, but these classical methods are difficult to conduct, time consuming and very expensive and the quantitative estimation of soil loss remains insufficient particularly in the North of Morocco. In this study, we present results on soil erosion quantification using 137Cs and 210Pb in three dam catchments: El Hachef, Raouz and Nakhla. In each area inventories of 137Cs and 210Pbex were measured in cultivated soils and compared to reference inventories (noneroded) measured in the same area. The differences were converted onto erosion or accumulation rate using mass balance models (MB1 and MB2). In El Hachef, the mean erosion rates using 137Cs with MB1 and MB2 models and 210Pbex with MB2 model are respectively 32tha−1 yr−1, 29tha−1 yr−1 and 20tha−1 yr−1. In Raouz, the mean erosion rates using 137Cs with MB1 and MB2 models and 210Pbex with MB2 model are respectively 13.9tha−1 yr−1, 12.2tha−1 yr−1 and 16.1tha−1 yr−1. In Nakhla, the mean erosion rates using 137Cs with MB1 and MB2 models and 210Pbex with MB2 model are respectively 33.1tha−1 yr−1, 41.3tha−1 yr−1 and 20tha−1 yr−1. These results show the severity of erosion in North West Morocco compare to other Mediterranean countries and the necessity to seek for urgent solutions to stem this problem. [Copyright &y& Elsevier]

Published
2013
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7. Fire activity in North West Africa during the last 30,000 cal years BP inferred from a charcoal record from Lake Ifrah (Middle atlas–Morocco): Climatic implications.

Author

Reddad, Hanane, Etabaai, Issam, Rhoujjati, Ali, Taieb, Maurice, Thevenon, Florian, and Damnati, Brahim

Subjects
*CLIMATE change, *HOLOCENE Epoch, *PALEOENVIRONMENTAL studies, *LIMB-girdle muscular dystrophy
Abstract

Highlights: [•] Paleofire activity of the LGM in North Africa is poorly documented. [•] Exploring changes in North African fire regimes during the LGM. [•] Microcharcoal and paleoenvironmental tracers’ results are combined. [•] Holocene period characterized by millennial-scale climate variability and rapid warming events. [Copyright &y& Elsevier]

Published
2013
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