Essays about: "Arid Zone"

Showing result 11 - 15 of 15 essays containing the words Arid Zone.

  1. 11. Significance of soil moisture on vegetation greenness in the African Sahel from 1982 to 2008

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Mohamed Ahmed; [2012]
    Keywords : geography; NDVI; soil moisture; time series analysis; Sahel; remote sensing; temporal correlation; physical geography; Earth and Environmental Sciences;

    Abstract : Popular science The Sahel is a semi-arid eco-climatic transition zone in northern Africa separating the Sahara desert from the Africa’s tropical forest. The Sahel word in Arabic language means “shore” which is linguistically describes the appearances of vegetation as a shoreline defining the boundary of the Sahara desert. READ MORE

  3. 12. Detection and analysis of changes in desertification in the Caspian Sea Region

    University essay from Institutionen för naturgeografi och kvartärgeologi (INK)

    Author : Tahira Abbasova; [2010]
    Keywords : Caspian Region; desertification; Normalized Difference Vegetation Index NDVI ; ENVI; ArcGIS;

    Abstract : The Caspian Region includes the Caspian Sea and five littoral states: Azerbaijan, Iran, Turkmenistan, Kazakhstan and Russian. 40% of the Caspian coastal zone is arid, 69% of this territory undergone desertification according to international reports. READ MORE

  4. 13. Long-term Water Balance of an Inland River Basin in an Arid Area, North-Western China

    University essay from Lunds universitet/Avdelningen för Teknisk vattenresurslära

    Author : Shahab Moghadas-Bidabadi; [2009]
    Keywords : Teknik; Technological sciences; Arid Zone; Geographic Information System GIS Hydrologic Modeling System HEC-HMS ; Water Balance; Hydrogeology; geographical and geological engineering; Hydrogeologi; teknisk geografi; teknisk geologi; Civil engineering; hydraulic engineering; offshore technology; soil mechanics; Väg- och vattenbyggnadsteknik; Earth and Environmental Sciences; Technology and Engineering;

    Abstract : China, like many other countries in the region suffers from the water scarcity and problems of desertification and land degradation. One of the most useful approaches to deal with such a problem in the region is water balance study and analysis of different components involved to get an overview of the water supply and demand of the region so that engineers and policy makers can use that in their decision. READ MORE

  5. 14. Indirect effects of mammalian herbivores on invertebrates in a river gradient of the Kruger National Park, South Africa

    University essay from SLU/Dept. of Wildlife, Fish and Environmental Studies

    Author : David Bell; [2008]
    Keywords : large herbivores; aavanna system; Kruger national park; insects response;

    Abstract : Savanna biomes have been heavily affected by fire suppression, and changed grazing and browsing regimes, caused by human interventions. As a result many biotic interactions, and ecosystem functions, have been altered. READ MORE

  6. 15. Comparisons of infiltration capacitites in different parklands and farming systems of semi-arid Burkina Faso

    University essay from SLU/Dept. of Forest Ecology and Management

    Author : Linnea Hansson; [2006]
    Keywords : biannual tillage; compost; Faidherbia albida; infiltration capacity; soil organic matter; tension disc infiltrometer; Vitellaria paradoxa;

    Abstract : The organic matter content of the soil (SOM) is a key property for soil aggregation and water infiltration in the semi-arid parklands of West Africa. This study is comparing infiltration capacities (IC) in fields, where SOM is managed in different ways, in two villages in the western part of Burkina Faso. READ MORE