Essays about: "Rapids"

Showing result 1 - 5 of 10 essays containing the word Rapids.

  1. 1. “It was a free and healthy job” : timber floating on the river Ångermanälven in the 20th century

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

    Author : Olivia Forssén; [2023]
    Keywords : timber floating; forest history; women in timber floating; interviews; historical records;

    Abstract : The exploitation of northern Sweden's forests began in about the 1830s and continued expanding northwards over the following decades. A key factor that enabling the exploitation of these forests was the natural infrastructure, such as the network of rivers, creeks and flooding during the summer, which made it possible to float timber from the forests to the sawmills on the coast. READ MORE

  2. 2. Biodiversity and habitat conditions in reaches with high flow velocity along gradients in hydrological and geomorphological alteration : A study of six rivers in Sweden

    University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Author : Anders Aalto; [2021]
    Keywords : Hydrology; Geomorphology; Biological variables; Human alteration;

    Abstract : The vast majority of rivers in the developed world are affected by human alteration, which in turn negatively affects the species that rely on these highly diverse and species rich areas to survive. Homogenization of previously heterogenic areas due to a change in water discharge and the substrate availability in the rivers is often regarded as the main reason for the loss of species richness in rivers and the riparian zone. READ MORE

  3. 3. Machine Learning Applied to Reach Classification in a Northern Sweden Catchment

    University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Author : Mariana dos Santos Toledo Busarello; [2021]
    Keywords : machine learning; geomorphology; random forest; channel type;

    Abstract : An accurate fine resolution classification of river systems positively impacts the process of assessment and monitoring of water courses, as stressed by the European Commission’s Water Framework Directive. Being able to attribute classes using remotely obtained data can be advantageous to perform extensive classification of reaches without the use of field work, with some methods also allowing to identify which features best described each of the process domains. READ MORE

  4. 4. På andra sidan av vattenkraften : lokalinvånares berättelser i relation till vattenkraften

    University essay from SLU/Dept. of Urban and Rural Development

    Author : Ida-Maria Olofsson; [2020]
    Keywords : vattenkraft; geografiska obalanser; plats; förändring; mening; fråntagande;

    Abstract : Det här är ett arbete om kraftverkssamhället Ragunda. Det handlar om de upplevda geografiska orättvisorna i relation till vattenkraften och platsen. Berättelsen har sin grund i en tid innan kraftverksetableringen. En försvunnen tid. READ MORE

  5. 5. New Measurement Methods For Ground Vibration Test

    University essay from KTH/Flygdynamik

    Author : Hugo Perez; [2020]
    Keywords : ;

    Abstract : Flight-testing represents an important step of an airplane development. Every new or modified aircraft configuration is tested. Through set of tests, the quality and reliability of aircrafts are guaranteed. At Dassault Aviation, the flight test Directorate responsible for carrying out flight tests is located at Istres, in South of France. READ MORE