Essays about: "vattenflöde"

Showing result 11 - 15 of 34 essays containing the word vattenflöde.

1. 11. Development and Testing of a Hydro-Chemical River MixingModel to Investigate Sources of Carbon and Mercury in the Mackenzie River Basin, Canada

   University essay from Uppsala universitet/Luft-, vatten- och landskapslära

   Author : Torbjörn-Johannes Erikson; [2020]
   Keywords : mercury; Hg; POC; DOC; Mackenzie River; kvicksilver; Hg; DOC; POC; Mackenziefloden;

   Abstract : Mercury, Hg, is found in Arctic biota in alarming quantity, posing a potential health risk for the local population. It is believed that the large Arctic rivers contribute to this. The Mackenzie River annually transports approximately 325 km3 water to the Arctic Ocean, which is ca 10% of the freshwater received. READ MORE

3. 12. Macroinvertebrate sampling in hydropeaking rivers : Testing Hester-Dendy samplers in a laboratory environment using different flow conditions

   University essay from Karlstads universitet/Avdelningen för biologi

   Author : Mattias Hansson; [2020]
   Keywords : hydropower; bioassessment; benthic macroinvertebrates; biotic indicator; vattenkraft; biologiska bedömningsgrunder; bentiska makroevertebrater; bioindikator;

   Abstract : Degraded rivers and streams caused by disturbances have created a need for reliable tools to assess the ecological status of such ecosystems. Numerous methods and programs have been developed to assess ecological status using biological indicators, benthic macroinvertebrates are the most commonly used biotic indicator. READ MORE

4. 13. Vägtrummeinventering : jämförelse av två inventeringsmodeller för vägtrummor

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

   Author : Tor Wik; [2020]
   Keywords : vandringshinder; vägpassager; biotopkarteringsdatabasen; modell;

   Abstract : Rapporten jämför uppgifter från en inventering av vägtrummor som gjorts av Skogsstyrelsen med de krav på data som finns i Biotopkarteringsdatabasen beträffande vandringshinder och vägpassager. Biotopkarteringsdatabasen är en nationell sammanställning av data om vatten-drag som utvecklats av Länsstyrelsen i Jönköping. READ MORE

5. 14. Observed hydro-climatic trends and local perceptions of water availability: a mixed-methods study in Marsyandi river basin, Nepal

   University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

   Author : Hanna Ekström; [2020]
   Keywords : Physical Geography; Ecosystem Analysis; ETCCDI; climate indices; RHESSys; Himalaya; socio-hydrology; Earth and Environmental Sciences;

   Abstract : In the central Himalayas, water dynamics are expected to change due to multiple factors like climate change, hydro power development and shifting land use practices. This thesis looks at possible changes in water dynamics in Marsyandi river basin, Nepal, as well as causes to those changes and how they are perceived locally. READ MORE

6. 15. Horizontal wastewater heat recovery heat exchanger, a model

   University essay from KTH/Energiteknik

   Author : Joakim Nyholm; [2019]
   Keywords : ;

   Abstract : The residential and service sector amounts to approximately 40 percent of Sweden’s entire energy demand. In which 90 percent of that is used by households and non-residential buildings. All in all about 80 TWh are used for heating and the provision of hot water in households and non-residential buildings. READ MORE