DEPARTEMENT NATUURKUNDE EN STERRENKUNDE LABORATORIUM VOOR AKOESTIEK EN THERMISCHE FYSICA CELESTIJNENLAAN 200D – POSTBUS 2416 B-3001 LEUVEN KATHOLIEKE UNIVERSITEIT LEUVEN Noise contours around Brussels Airport for the year 2011 by: ir. G. Geentjens Dr. L. Kelders Supervised by Prof. dr. C. Glorieux PV 5623 April 20th, 2012 TEL. (016) 32 78 45 FAX (016) 32 79 84 E-mail: [email protected] Noise contour contours around Brussels Airport for the year 2011 Contents Contents _____________________________________________________________________ i List of maps __________________________________________________________________ iii List of tables _________________________________________________________________ iv List of figures _________________________________________________________________ v 1. Introduction ___________________________________________________________ 1 1.1 Calculations imposed for Brussels Airport __________________________________________ 2 1.2 History of noise contour calculations for Brussels Airport ______________________________ 2 1.3 Version of the Integrated noise Model _____________________________________________ 3 1.4 Population data _______________________________________________________________ 3 2. Definitions for the evaluation of noise contours _______________________________ 4 2.1 Explanation of a few frequently-used terms ________________________________________ 4 2.1.1 Noise contours _____________________________________________________________________ 4 2.1.2 Frequency contours _________________________________________________________________ 4 2.1.3 Noise zones _______________________________________________________________________ 4 2.1.4 The A-weighted equivalent sound pressure level, LAeq,T _____________________________________ 4 2.1.5 Lden ______________________________________________________________________________ 5 2.2 Link between nuisance and noise impact ___________________________________________ 6 3. Methodology for the calculation of the noise contours around Brussels Airport ______ 7 3.1 Collection of input data _________________________________________________________ 7 3.1.1 Flight information ___________________________________________________________________ 7 3.1.2 Radar data ________________________________________________________________________ 8 3.1.3 Meteorological data _________________________________________________________________ 9 3.2 Performance of contour calculations ______________________________________________ 9 3.2.1 Match between measurements (NMS) – calculations (INM) _________________________________ 9 3.2.2 Technical data with regard to the calculation ____________________________________________ 10 3.2.3 Calculation of frequency contours _____________________________________________________ 10 3.3 Post-processing in a GIS _______________________________________________________ 10 4. Results ______________________________________________________________ 11 4.1 Background information about interpretation of the results __________________________ 11 4.1.1 Change in the number of flights ______________________________________________________ 11 4.1.2 Other important changes ____________________________________________________________ 13 4.2 Match between measurements (NMS) and calculations (INM) _________________________ 15 4.3 Change in the event LAeq,24hlevel _________________________________________________ 19 4.4 Discussion of the noise contours and tables _______________________________________ 21 4.4.1 Lday contours ______________________________________________________________________ 21 Laboratory for Acoustics and Thermal Physics i Noise contour contours around Brussels Airport for the year 2011 4.4.2 Levening contours ____________________________________________________________________ 23 4.4.3 Lnight contours _____________________________________________________________________ 24 4.4.4 Lden contours (day 07.00-19.00, evening 19.00-23.00, night 23.00-07.00) ______________________ 26 4.4.5 Freq.70,day – contours (day 07.00-23.00) _______________________________________________ 27 4.4.6 Freq.70,night contours (night 23.00-07.00) ______________________________________________ 28 4.4.7 Freq.60,day – contours (day 07.00-23.00) _______________________________________________ 29 4.4.8 Freq.60,night contours (night 23.00-07.00) ______________________________________________ 30 4.5 Number of people potentially highly annoyed based on Lden noise contours ______________ 31 Appendix 1. Runway use in 2011 (compared with 2010) ___________________________ 33 Appendix 2. Location of the noise monitoring terminals ____________________________ 36 Appendix 3. Technical note - methodology for route input into INM __________________ 38 Appendix 3.1. SIDs _______________________________________________________________ 38 Appendix 3.2. Arrival routes _______________________________________________________ 39 Appendix 4. Results of contour calculations 2011 _________________________________ 41 Appendix 4.1. Area per contour zone and per municipality: Lday, Levening, Lnight, Lden, freq.70,day, freq.70,night, freq.60,day, freq.60,night __________________________________________ 41 Appendix 4.2. Number of inhabitants per contour zone and per municipality: Lday, Levening, Lnight, Lden, freq.70,day, freq.70,night, freq.60,day, freq.60,night ________________________________ 46 Appendix 4.3. Number of people potentially highly annoyed per Lden contour zone and per municipality _________________________________________________________________ 51 Appendix 5. Change in area and number of inhabitants ____________________________ 52 Appendix 5.1. Change in area per contour zone: Lday, Levening, Lnight, Lden, freq.70,day, freq.70,night, freq.60,day, freq.60,night ______________________________________________________ 52 Appendix 5.2. Change in number of inhabitants per contour zone: Lday, Levening, Lnight, Lden, freq.70,day, freq.70,night, freq.60,day, freq.60,night ________________________________ 60 Appendix 6. Noise contours for the year 2011 on a topographical map ________________ 68 Appendix 7. Noise contours for the year 2011 on a population map __________________ 77 Appendix 8. Noise contour maps: change 2010-2011 ______________________________ 86 Laboratory for Acoustics and Thermal Physics ii Noise contour contours around Brussels Airport for the year 2011 List of maps Lday noise contours for 2011, background topographical map __________________________________________ 69 Levening – noise contours for 2011, background topographical map _______________________________________ 70 Lnight noise contours for 2011, background topographical map __________________________________________ 71 Lden noise contours for 2011, background topographical map __________________________________________ 72 Freq.70,day – noise contours for 2011, background topographical map __________________________________ 73 Freq.70,night – noise contours for 2011, background topographical map _________________________________ 74 Freq.60,day – noise contours for 2011, background topographical map __________________________________ 75 Freq.60,night – noise contours for 2011, background topographical map _________________________________ 76 Lday noise contours for 2011, background population map 2008 ________________________________________ 78 Levening noise contours for 2011, background population map 2008 ______________________________________ 79 Lnight noise contours for 2011, background population map 2008 ________________________________________ 80 Lden noise contours for 2011, background population map 2008 ________________________________________ 81 Freq.70,day noise contours for 2011, background population map 2008 __________________________________ 82 Freq.70,night noise contours for 2011, background population map 2008 ________________________________ 83 Freq.60,day noise contours for 2011, background population map 2008 __________________________________ 84 Freq.60,night noise contours for 2011, background population map 2008 ________________________________ 85 Lday noise contours for 2010 and 2011, background population map 2008 ________________________________ 87 Levening noise contours for 2010 and 2011, background population map 2008 ______________________________ 88 Lnight noise contours for 2010 and 2011, background population map 2008 _______________________________ 89 Lden noise contours for 2010 and 2011, background population map 2008 ________________________________ 90 Freq.70,day noise contours for 2010 and 2011, background population map 2008 _________________________ 91 Freq.70,night noise contours for 2009 and 2010, background population map 2008 ________________________ 92 Freq.60,day noise contours for 2009 and 2010, background population map 2008 _________________________ 93 Freq.60,night noise contours for 2009 and 2010, background population map 2008 ________________________ 94 Laboratory for Acoustics and Thermal Physics iii Noise contour contours around Brussels Airport for the year 2011 List of tables Table 1 Number of flights (incl. helicopter movements) in 2011 and 2010 and the change compared with 2010 according to the division of the day used in VLAREM _________________________________________________ 12 Table 2 Change in the number of flight movements per aircraft type during the operational night period (23.00- 06.00) for the most common aircraft types _________________________________________________________ 13 Table 3 Preferential runway use since 31/07/2010