Monitoring of Ambient Air Quality and Meteorology During the Pilbara Air Quality Study Technical Series 113
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Monitoring of Ambient Air Quality and Meteorology during the Pilbara Air Quality Study Technical Series 113 Department of Environmental Protection Perth, Western Australia September 2002 Monitoring of Ambient Air Quality and Meteorology during the Pilbara Air Quality Study Contents 1. Introduction........................................................................................................4 2. Overview of Monitoring Activities .....................................................................5 2.1 Historical Monitoring Activities ...................................................................5 2.2 Planning the Monitoring Program.................................................................5 3. Description of Monitoring Sites and Monitoring Methods ................................10 3.1 Dampier Air Quality Monitoring Station (AQMS)......................................10 3.2 King Bay AQMS ........................................................................................17 3.3 Karratha Town AQMS................................................................................18 3.4 Boodarie AQMS.........................................................................................20 3.5 Karratha Meteorological Station (MS)........................................................22 3.6 Wickham MS..............................................................................................26 3.7 Radio Hill MS ............................................................................................27 3.8 Maitland MS...............................................................................................28 3.9 Karratha Airport MS...................................................................................29 3.10 Legendre Island MS..................................................................................30 3.11 Port Hedland Airport MS..........................................................................31 3.12 Radiosonde Releases.................................................................................32 4. Data Collection, Processing and Storage...........................................................35 4.1 Data Collection...........................................................................................35 4.1.1 Data Collection at DEP Stations...............................................................35 4.1.2 Data Collection at Non-DEP Stations.......................................................35 4.2 Data Processing and Storage.......................................................................36 4.2.1 Processing of Data from DEP Stations .....................................................36 4.2.2 Processing Data Collected by other Organisations...................................37 4.3 Data Recovery Statistics .............................................................................37 5. Summary of Air Quality and Meteorological Data............................................38 5.1 Carbon Monoxide.......................................................................................38 5.2 Ozone.........................................................................................................38 5.3 Nitrogen Dioxide........................................................................................38 5.4 Sulfur Dioxide............................................................................................38 5.5 Particles as PM10.........................................................................................39 5.5 Particles as PM2.5........................................................................................39 5.6 Summary of Meteorological Data ...............................................................39 6. Data Accessibility ............................................................................................40 7. Summary..........................................................................................................41 8. References........................................................................................................42 Appendix A – Calibration and Maintenance Procedures .......................................43 Appendix B – Pollution Data Summary................................................................49 Appendix C – Meteorological Statistics................................................................70 Appendix D – Analysis of High Particle Events ...................................................74 Appendix E – Data Recovery Statistics ................................................................84 1 PilbaraMonitoringReport.doc Figures Figure 1.1 Location of study region............................................................................4 Figure 2.1 Monitoring stations in study region (west).................................................7 Figure 2.2 Monitoring stations in study region (east)..................................................8 Figure 3.1 Dampier AQMS - looking north, with Parker Point jetty in background...11 Figure 3.2 Dampier AQMS - view from shore with townsite in background.............11 Figure 3.3 Dampier AQMS - TEOM showing insulated flow lines, but prior to the installation of coalescing filter/driers. ...............................................................15 Figure 3.4 Dampier AQMS - 4 Way PTFE Manifold Block, showing condensate drain line. .........................................................................................................16 Figure 3.5 King Bay AQMS - looking west.............................................................17 Figure 3.6 King Bay AQMS - gas analysers. ............................................................18 Figure 3.7 Karratha Town AQMS - looking north-west............................................19 Figure 3.8 Boodarie AQMS......................................................................................20 Figure 3.9 Karratha MS - looking west.....................................................................23 Figure 3.10 Karratha MS - looking north..................................................................23 Figure 3.11 Karratha MS - Doppler acoustic sounder. ..............................................24 Figure 3.12 Karratha MS - acoustic sounder electronics. ..........................................24 Figure 3.13 Karratha MS - data logger and communications equipment. ..................25 Figure 3.14 Wickham MS - looking northwest. ........................................................27 Figure 3.15 Maitland MS. ........................................................................................29 Figure 3.16 Karratha Airport MS..............................................................................30 Figure 3.17 Pt Hedland Airport MS..........................................................................31 Figure 3.18 Pt Hedland Airport - radiosonde station. ................................................33 Figure 3.19 Pt Hedland coast....................................................................................34 Figure A1 A DEP staff member performing a monthly calibration at the Dampier air quality monitoring station.................................................................................45 Figure C1 Karratha annual wind rose (Apr 99 – Mar 00)..........................................71 Figure C2 Boodarie annual wind rose (Apr 99 – Mar 00) .........................................71 Figure C3 Karratha monthly wind roses ...................................................................72 Figure C4 Boodarie monthly wind roses...................................................................73 Figure D1(a) Satellite composite and ground-based PM10 measurements of particle levels originating from a wildfire......................................................................75 Figure D1(b) Satellite composite and ground-based PM10 measurements of particle levels originating from a wildfire......................................................................76 Figure D1(c) Satellite composite and ground-based PM10 measurements of particle levels originating from a wildfire......................................................................77 Figure D1(d) Satellite composite and ground-based PM10 measurements of particle levels originating from a wildfire......................................................................78 Figure D2 High particle concentration measured at Boodarie caused by a regional fire. The data is shown as 10-minute averages over a 24-hour period. ......................79 Figure D3 High particle concentrations measured at a Perth metropolitan site from a bushfire source in the lower southwest. The data is shown as 10-minute averages over a 12-hour period between 1800 hours (6 pm) on 01/12/1997 and 0600 hours (6 am) on 02/12/1997. ......................................................................................80 Figure D4 1-hour averaged ground level concentrations of PM10 during the period 13/01/2000 to 15/01/2000. The 24-hour averaged concentration for each day is also given. ........................................................................................................81 2 PilbaraMonitoringReport.doc Figure D5 10-minute averaged wind speed and wind direction at 10 metres during the period 13/01/2000 to 15/01/2000......................................................................81 Figure D6 Back trajectory to Dampier over a period of 120 minutes ending at 0200 hours on