Essays about: "Topographic wetness index"

Showing result 6 - 10 of 21 essays containing the words Topographic wetness index.

1. 6. Multi-scale topography assessment for site-specific drought management in Sweden

   University essay from SLU/Dept. of Soil and Environment

   Author : Karl Knaebel; [2021]
   Keywords : drought; topography; precision agriculture; Sentinel-2; DSS;

   Abstract : Globally, as well as in Sweden, the occurrence of droughts is expected to increase due to global warming. The drought summer of 2018 revealed the vulnerability of Sweden’s agriculture – with cereal yield losses of up to 50 %. Subsequently, the development of more resilience crop production systems to mitigate future droughts is required. READ MORE

3. 7. How do African ElephantsUtilize the Landscape DuringWet Season? : A Habitat Connectivity Analysis for Sioma Ngwezi Landscape in Zambia

   University essay from Stockholms universitet/Institutionen för naturgeografi

   Author : Doubt Chibeya; [2019]
   Keywords : ;

   Abstract : How environmental factors influence distribution and persistence of African elephants(Loxodonta africana) is pertinent to policy makers and managers to formulate balanced plansfor different landuse types (i.e. wildlife management, forestry). READ MORE

4. 8. Spatial Assessment of Soil Contamination through GIS Data Management

   University essay from KTH/Hållbarhet och miljöteknik

   Author : Ingrid Sjödell; [2018]
   Keywords : Arsenic; ArcMap; Soil Sensitivity; Data Handling; Geophysical Measurements;

   Abstract : Spatial data management within the environmental field has a large range of application possibilities and comes with great advantages. In this study methods and technologies for spatial data management of soil contamination has been assessed in Geographical Information Systems (GIS), in order to identify in which way spatial data applications and tools can contribute with valuable information for these type of projects. READ MORE

5. 9. Markfuktighetsförhållanden och jordartsfördelningens påverkan på kväve- och fosforförluster från skog och sankmark

   University essay from SLU/Dept. of Aquatic Sciences and Assessment

   Author : Eleonor Dacke; [2018]
   Keywords : Övergödning; PLC6 typhalt; typhalt; GIS; flödesackumulering; NNH; TWI; DTW;

   Abstract : Övergödningen utgör ett allvarligt hot mot Östersjön och för att kunna åtgärda problemen krävs effektiva metoder för uppskattning av näringsbelastning och källfördelning. Ökad förståelse för bakomliggande orsaksfaktorer till diffusa näringsförluster från skog och sankmark kan förbättra skattningen av belastning och bidra till riktade åtgärder. READ MORE

6. 10. Groundwater investigation at Storsudret, Gotland

   University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

   Author : Ludvig Almqvist; [2018]
   Keywords : Subsurface dam; subdam; groundwater level; GIS; storage; groundwater balance; Topographic wetness index; Gwbal; well extraction; drainage control; specific capacity;

   Abstract : Sweden have faced decreasing groundwater storage with critical low groundwater levels for several years. Gotland is one example with issues of providing freshwater due to the low groundwater levels. These circumstances can be related to impacts caused by early agriculture development, an increased demand of freshwater and climate change. READ MORE