Essays about: "Sahel"

Showing result 31 - 35 of 46 essays containing the word Sahel.

  1. 31. Polynomial trends of vegetation phenology in Sahelian to equatorial Africa using remotely sensed time series from 1983 to 2005

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Mozafar Veysipanah; [2014]
    Keywords : TIMESAT; remote sensing; GIMMS NDVI; Physical Geography and Ecosystem analysis; Sahel; phenology parameters; polynomial trends; vegetation; soil moisture; Earth and Environmental Sciences;

    Abstract : Popular science Our understanding of global warming can be achieved in different ways. One way is to study the phenological parameters of vegetation. READ MORE

  3. 32. Finding a method for simplified biomass measurements on Sahelian grasslands

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Elise Palm; [2013]
    Keywords : Geography; Physical geography; biomass; grasslands; Sahel; digital camera images; LAI; Earth and Environmental Sciences;

    Abstract : Traditional measurements for determination of aboveground biomass (AGB) are widely used in ecological studies. However, they are labor demanding and time consuming, why this study performed on a grassland in Senegal has focused on finding a simplified AGB estimation method that could be applied on larger areas in the Sahel. READ MORE

  4. 33. The role of agricultural interventions for the Sahelian re-greening

    University essay from Stockholms universitet/Stockholm Resilience Centre

    Author : Anneli Sundin; [2013]
    Keywords : Re-greening; agricultural interventions; NDVI; Sahel; Burkina Faso; Niger; resilience; desertification;

    Abstract : The Sahel region has over the past three decades experienced a greening trend, in terms of increased vegetation, and studies show that land management might have contributed to this trend. After periods of droughts in the 1970s and early 1980s development agencies have invested considerably in agricultural projects in the Sahel, promoting the use of improved farming techniques. READ MORE

  5. 34. Inter-annual memory effects between soil moisture and NDVI in the Sahel

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Yang Zhou; [2013]
    Keywords : Physical Geography and Ecosystem Science; GEM; memory effect; soil moisture; Sahel; rainfall; land cover; soil type; remote sensing; Earth and Environmental Sciences;

    Abstract : The Sahel lies in the semi-arid zone of North Africa between the Sahara Desert to the north and the savannas and rainforest to the south. In the Sahel, the variability of vegetation growth is predominately controlled by moisture reception in the concurrent rainy season. READ MORE

  6. 35. Urban Acupuncture: Västerås Waterfront

    University essay from KTH/Stadsbyggnad

    Author : Sahel Strömberg; [2012]
    Keywords : Urban Acupuncture Västerås;

    Abstract : .... READ MORE