Essays about: "airborne sound"

Showing result 1 - 5 of 8 essays containing the words airborne sound.

  1. 1. Studies of the PMWE : Polar Mesosphere Winter Echoes

    University essay from Luleå tekniska universitet/Institutionen för system- och rymdteknik

    Author : Simon Persson; [2022]
    Keywords : Polar; Mesosphere; Winter; Echoes; ESRAD; Infrasound; PMWE; PMSE; Summer; Radar; VHF; MST; MLT; SPE; HSS; Solar; Wind; evanescent; viscosity; FCA; 42;

    Abstract : This Master thesis examines a phenomenon that occurs in the upper polar atmosphere, namely, Polar Mesospheric Winter Echoes, or PMWEs. PMWEs are radar echoes observed by Very High Frequency Mesosphere Stratosphere Troposphere (VHF MST) radar, from altitudes of 60 to 76 km at 7 to 15 UT, in the winter months from the middle of September to the beginning of May. READ MORE

  3. 2. Stadsträdens reglerande roll i stadsrummet : trädens hälsoförbättrande potential för invånarna genom reglerande ekosystemtjänster i Malmö innerstad

    University essay from SLU/Dept. of Landscape Architecture, Planning and Management (from 130101)

    Author : Clara Studeny; Johanna Lindholm; [2022]
    Keywords : stadsträd; reglerande ekosystemtjänster; hälsa; stadsmiljö; Malmö;

    Abstract : I detta arbete sammanfattas och fördjupas frågan om stadsträd kan, genom deras reglerande ekosystemtjänster, bidra med att förbättra hälsan hos invånarna i Malmös innerstad. Vidare diskuteras i vilken utsträckning endast stadsträd kan förse invånarna med tillräckligt stor effekt av de reglerande ekosystemtjänsterna. READ MORE

  4. 3. Laminated veneer lumber floor : An evaluation of performance

    University essay from KTH/Bro- och stålbyggnad

    Author : Lisa Nuszkowski; Mylan Tran; [2022]
    Keywords : ;

    Abstract : The ongoing climate change has become a very discussed and accurate topic. A fifth of the Swedishemissions of greenhouse gases originate from buildings (Boverket, n.d). READ MORE

  5. 4. The impact of noice pollution and vibrations on nearby buildings : How is the school Kulturama affected by noise and vibrations from the 'nya tunnelbana' project?

    University essay from KTH/Byggteknik och design

    Author : Hadil Jawad; Aren Nabatyan; [2021]
    Keywords : Noice pollution; vibrations; metro; nya tunnelbana project; noice absorbents; Buller; vibrationer; stomljud; luftburet ljud; nya tunnelbana projekt; absorbenter;

    Abstract : To meet the needs of the growing city of Stockholm, a large-scale project to expand the subway has been initiated. The tunneling involved in the project causes several disturbances, in terms of vibration and noise pollution, on the surroundings. This is problematic as vibration and noise pollution has been shown to have a negative health impact. READ MORE

  6. 5. Inversion of SkyTEM Data Based on Geophysical Logging Results for Groundwater Exploration in Örebro, Sweden

    University essay from Luleå tekniska universitet/Geovetenskap och miljöteknik

    Author : Andrée Kindlund; [2021]
    Keywords : SkyTEM; hydrogeophysics; geophysical logging; A priori; groundwater exploration;

    Abstract : Declining groundwater tables threatens several municipalities in Sweden which drinking water is collected from. To ensure a sound drinking water supply, the Geological Survey of Sweden has initiated a groundwater exploration plan. READ MORE