DEPARTEMENT NATUURKUNDE EN STERRENKUNDE LABORATORIUM VOOR AKOESTIEK CELESTIJNENLAAN 200D – POSTBUS 2416 B-3001 LEUVEN Noise contours around Brussels Airport for the year 2014 by: Dr. M. Rychtarikova G. Dierckx Ing. W. Bruyninckx Prof. Dr. C. Glorieux PV 5864 April 22, 2015 TEL. (016) 32 72 01 E-mail: [email protected] Noise contours around Brussels Airport for the year 2014 Contents 1. Introduction ___________________________________________________________ 1 1.1 Calculations imposed for Brussels Airport __________________________________________ 2 1.2 History of noise contour calculations for Brussels Airport _____________________________ 3 1.3 Version of the Integrated noise Model ____________________________________________ 3 1.4 Population data ______________________________________________________________ 3 1.5 Source data _________________________________________________________________ 3 1.6 INM study ___________________________________________________________________ 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 Information aircraft movements _______________________________________________________ 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 movements __________________________________________________ 11 4.1.2 Other important changes ____________________________________________________________ 13 4.2 Match between measurements (NMS) and calculations (INM) ________________________ 17 4.3 Change in the event LAeq,24hlevel ________________________________________________ 21 4.4 Discussion of the noise contours and tables _______________________________________ 23 4.4.1 Lday contours _____________________________________________________________________ 23 4.4.2 Levening contours ____________________________________________________________________ 26 4.4.3 Lnight contours ______________________________________________________________________ 28 4.4.4 Lden contours (day 07.00-19.00, evening 19.00-23.00, night 23.00-07.00) ______________________ 31 4.4.5 Freq.70,day – contours (day 07.00-23.00) _______________________________________________ 33 Laboratory for Acoustics – KU Leuven i Noise contours around Brussels Airport for the year 2014 4.4.6 Freq.70,night contours (night 23.00-07.00) ______________________________________________ 33 4.4.7 Freq.60,day – contours (day 07.00-23.00) _______________________________________________ 35 4.4.8 Freq.60,night contours (night 23.00-07.00) ______________________________________________ 35 4.5 Number of people potentially highly inconvenienced based on Lden noise contours ________ 37 Appendix 1. Runway use in 2014 (compared with 2013) ___________________________ 39 Appendix 2. Location of the noise monitoring terminals____________________________ 44 Appendix 3. Technical note - methodology for route input into INM __________________ 46 Appendix 3.1. Grouping of SIDs ____________________________________________________ 46 Appendix 3.2. Grouping of arrival routes _____________________________________________ 48 Appendix 4. Results of contour calculations 2014 _________________________________ 49 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 __________________________________________ 49 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 ________________________________ 54 Appendix 4.3. Number of people potentially highly inconvenienced per Lden contour zone and per municipality ________________________________________________________________ 59 Appendix 5. Change in area and number of inhabitants ____________________________ 60 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 _____________________________________________________ 60 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 ________________________________ 68 Appendix 6. Noise contours for the year 2014 on a topographical map ________________ 76 Appendix 7. Noise contours for the year 2014 on a population map __________________ 85 Appendix 8. Noise contour maps: change 2013-2014 ______________________________ 94 Laboratory for Acoustics – KU Leuven ii Noise contours around Brussels Airport for the year 2014 List of maps Lday noise contours for 2014, background topographical map ___________________________________________ 77 Levening – noise contours for 2014, background topographical map _______________________________________ 78 Lnight noise contours for 2014, background topographical map __________________________________________ 79 Lden noise contours for 2014, background topographical map ___________________________________________ 80 Freq.70,day – noise contours for 2014, background topographical map __________________________________ 81 Freq.70,night – noise contours for 2014, background topographical map _________________________________ 82 Freq.60,day – noise contours for 2014, background topographical map __________________________________ 83 Freq.60,night – noise contours for 2014, background topographical map _________________________________ 84 Lday noise contours for 2014, background population map 2010 _________________________________________ 86 Levening noise contours for 2014, background population map 2010 ______________________________________ 87 Lnight noise contours for 2014, background population map 2010 ________________________________________ 88 Lden noise contours for 2014, background population map 2010 _________________________________________ 89 Freq.70,day noise contours for 2014, background population map 2010 __________________________________ 90 Freq.70,night noise contours for 2014, background population map 2010 ________________________________ 91 Freq.60,day noise contours for 2014, background population map 2010 __________________________________ 92 Freq.60,night noise contours for 2014, background population map 2010 ________________________________ 93 Lday noise contours for 2013 and 2014, background population map 2010 ________________________________ 95 Levening noise contours for 2013 and 2014, background population map 2010 ______________________________ 96 Lnight noise contours for 2013 and 2014, background population map 2010 ________________________________ 97 Lden noise contours for 2013 and 2014, background population map 2010 ________________________________ 98 Freq.70,day noise contours for 2013 and 2014, background population map 2010__________________________ 99 Freq.70,night noise contours for 2013 and 2014, background population map 2010 _______________________ 100 Freq.60,day noise contours for 2013 and 2014, background population map 2010_________________________ 101 Freq.60,night noise contours for 2013 and 2014, background population map 2010 _______________________ 102 Laboratory for Acoustics – KU Leuven iii Noise contours around Brussels Airport for the year 2014 List of tables Table 1 Number of flights (incl. helicopter movements) in 2014 and 2013 and the change of 2014 compared with 2013, 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 heavy (>136 tonnes, top) and light (<136 tonnes, bottom) aircraft types __________ 14 Table 3 Preferential runway use since 19/09/2013 (local time) (source : AIP 11/12/2014 ____________________ 15 Table 4 Match between calculations and measurements for parameter LAeq,24h ____________________________ 18 Table 5 Match between calculations and measurements for parameter Lnight ______________________________