1 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti 16.04.2009 Air Quality Monitoring.

Slides:

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Präsentation transkript:

1 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Data Quality Management in Air Quality Monitoring Networks Data Validation - Workshop Bucuresti Ulrich Zimmermann Saxony-Anhalt Environmental Protection Agency Department Air Quality Monitoring, Information, Assessment

2 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Luftqualitätsdaten in Europa Quality Management: EU-Requirements and Consequences Data Validation Concept and Methods - Example from Saxony-Anhalt Data Analysis / Possible Measurement Errors - Examples from German and Romanian Networks Recommendations, Conclusion Content:

3 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Luftqualitätsdaten in Europa Quality Management: EU-Requirements and Consequences Data Validation Concept and Methods - Example from Saxony-Anhalt Data Analysis / Possible Measurement Errors - Examples from German and Romanian Networks Recommendations, Conclusion Content:

4 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Data reporting to the European Commission Regional / local Environmental Protection Agency National Environmental Agency European Environment Agency EEA 1.Meta information and AAQ data 2.Questionnaire Council decision 97/101/EC Council decision 2001/752/EC Council decision 2001/839/EC

5 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania EU-Data processing and management Flow of information (national level European Environment Agency) European Environment Information and Observation Network (EIONET) gets AAQ data as csv-file via FTP from the national database for updating the European database AirBase In case of ozone hourly EEAs real time ozone web site, PM in preparation For other pollutants once per year (latest at 1th of October) EEAs AirBase with maps and data export download, AirView (Air quality Visualisation instrument for Europe on the web)

6 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Transmission of German AAQ Data to EC Regional Database (Networks of the Federal States) National Database (Federal Environmental Agency (UBA)) European Database (European Environment Information and Observation Network (EIONET) Data transmission: hourly (automatic) monthly (manual) 3-monthly (manual) yearly (manual) Data transmission: hourly (automatic; only for O 3 ) yearly (manual) results of plausibility checks data and maps on AAQ concentrations in Germany (also for the public) Background information results of plausibility checks data and maps on AAQ concentrations in Europe (also for the public)

7 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Coordination in Germany (national level / regional level) Implementation of a working group Members from Federal networks (regional level) and from the Federal Environmental Agency (national level) 3-day workshop per year Presentation of new activities of the EC Discussion of problems regarding data processing, transmission, validation … Protocol of all decisions

8 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania EU-Data processing and management Flow of information (European Environment Agency national level ) Maps on AAQ in Europe e.g. NO 2 annual mean 2004 e.g. NO 2 annual mean 2004 e.g. PM10 exceedance days 2004 e.g. PM10 exceedance days 2004 First Romanian data are available !

9 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Transmission of German AAQ Data to EC Regional Database (Networks of the Federal States) National Database (Federal Environmental Agency (UBA)) European Database (European Environment Information and Observation Network (EIONET) Data transmission: hourly (automatic) monthly (manual) 3-monthly (manual) yearly (manual) Data transmission: hourly (automatic; only for O 3 ) yearly (manual) results of plausibility checks data and maps on AAQ concentrations in Germany (also for the public) Background information results of plausibility checks data and maps on AAQ concentrations in Europe (also for the public)

10 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Rückfrage der EEA an Mitgliedsstaaten zur Plausibiltät der Daten Question for -Outliers -Negative Values invalid set by Federal State Data Centre

11 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Transmission of German AAQ Data to EC Regional Database (Networks of the Federal States) National Database (Federal Environmental Agency (UBA)) European Database (European Environment Information and Observation Network (EIONET) Data transmission: hourly (automatic) monthly (manual) 3-monthly (manual) yearly (manual) Data transmission: hourly (automatic; only for O 3 ) yearly (manual) results of plausibility checks data and maps on AAQ concentrations in Germany (also for the public) Background information results of plausibility checks data and maps on AAQ concentrations in Europe (also for the public)

12 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Feedback of Federal Environmental Agency (UBA) -Komplexes Plausibilisierungsprogramm -Ziel: schwer erkennbare systematische Fehler identifizieren -Statistischer Ansatz -Von meteorologischen Schwankungen bereinigt -Stationstypisierung und -vergleich

13 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Luftqualitätsdaten in Europa Quality Management: EU-Requirements and Consequences Data Validation Concept and Methods - Example from Saxony-Anhalt Data Analysis / Possible Measurement Errors - Examples from German and Romanian Networks Recommendations, Conclusion Content:

14 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania detaillierte Rechtsvorschriften strenge Datenqualitätsziele der EU Warum Datenqualitätsmanagement ?

15 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Derzeit geltende EU-Richtlinien - Council Directive on Ambient Air Quality 1996/62/EG Frame work - Council Decision 97/101/EC, 201/752/EG Exchange of Information - Council Directive 1999/30/EG SO 2, NO x, Particulate, Lead - Directive 2000/69/EG Benzene, CO - Directive 2002/3/EG Ozone - Directive 2004/107/EG Cd, Ni, As, Hg, PAH Zusammenführung in 1 Gesetz

16 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Schwerpunktsetzung auf Datenqualität -Qualitätsmanagementsystem entsprechend ISO EN muss betrieben werden -ausdrücklich auch für Datenerfassung und Berichterstattung gefordert -Ermittlung der Messunsicherheit entsprechend CEN-Leitfaden ENV sowie ISO % / 25% / 50% sind einzuhalten -Nationales Referenzlabor muss bis 2010 nach ISO EN akkreditiert sein 2008/50/EG neu!

17 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania PAH, Metals: very different requirements Beispiel für Datenqualitätsziele der EU-Richtlinien

18 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Warum Datenqualitätsmanagement ? Zwingend notwendig, ein Qualitätsmanagementsystem einzurichten, um EU-Datenqualitätsziele zu erfüllen Möglichst zeitgleicher Aufbau mit dem Luftqualitätsmessnetz ! erheblicher Nachholebedarf bei allen Mesnetzen in Rumänien !

19 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Warum Datenqualitätsmanagement ? Für jedes Luftmessnetz ist das Qualitätsmanagementsystem lebenswichtig Wichtige Entscheidungen zur Luftqualitätskontrolle gesetzliche Maßnahmen gegen Betreiber von Emissionsquellen Luftreinhalteplanung hängen ganz oder teilweise von den Messdaten ab. Gerichtsfeste Daten!

20 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Warum Datenqualitätsmanagement ? Sichere Beurteilung der Überschreitung von Grenzwerten von Alarmschwellen Korrekte Information der Öffentlichkeit Basis für Validierung von Modellen (ICIM)

21 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Ergebnis Modellierung Stickstoffdioxid-Kurzzeitbelastung (ICIM) Bucuresti

22 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Warum Datenqualitätsmanagement ? Unkorrekte Messdaten und falsche Informationen sind nicht nur nutzlos, sie können auch zu falschen Entscheidungen führen und die menschliche Gesundheit beeinträchtigen.

23 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Datenqualitätsziele der EU-Richtlinien Gute Datenqualität und hohe Verfügbarkeit der Daten sind in einem Luftqualitätsmessnetz wesentlich, um die Datenqualitätsziele der EU-Richtlinien zu erreichen. Um sicher zu stellen, dass die Daten ausreichend genau, zuverlässig und vergleichbar mit anderen Messnetzen sind, müssen die Massnahmen zum Qualitätsmanagement durchgängig im gesamten Messnetz angewandt werden.

24 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Bereiche des Qualitätsmanagementsystems Auswahl der Messorte Auswahl der eingesetzten Messapparaturen Wartung der Messgeräte und Messstationen Kalibrierung der Messgeräte Validierung der Messdaten

25 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Luftqualitätsdaten in Europa Quality Management: EU-Requirements and Consequences Data Validation Concept and Methods - Example from Saxony-Anhalt Data Analysis / Possible Measurement Errors - Examples from German and Romanian Networks Recommendations, Conclusion Content:

26 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania General Responsibility Regarding Data Quality / Data Validation Regional Database (Networks of the Federal States) National Database (Federal Environmental Agency (UBA)) European Database (European Environment Information and Observation Network (EIONET) full responsibility for complete and valid data additional data check with automatic tools results of plausibility checks data and maps on AAQ concentrations in Germany (also for the public) Background information results of plausibility checks data and maps on AAQ concentrations in Europe (also for the public) automatic control check

27 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Data Validation Concept in Saxony-Anhalt steptarget 1. automatic pre-validation data for online media - in the station - at the network centre 2. manual validation at the daily report, alert information network centre 3. control validation monthly report 4. final check yearly report

28 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania station Internet - Environmental Information System 10:21 data centre 10:12 threshold check 10:10 automatic prevalidation 10:02 time datatransfer AQ Data Network Germany 10:21 Teletext Public Bill Board 10:27 Press 15:45 information fax Data Flow in the Monitoring Network Saxony-Anhalt (Near Real Time)

29 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Air Quality Data Network Germany No data !

30 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Internet / Environmental Information System

31 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Data Flow in Air Quality Monitoring Data Centre Saxony-Anhalt & EU-Reporting

32 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Data Validation Concept in Saxony-Anhalt steptarget 1. automatic pre-validation data for online media - in the station - at the network centre 2. manual validation at the daily report, alert information network centre 3. control validation monthly report 4. final check yearly report

33 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Manual Validation at the Network Centre automatic validation constant data (over several hours) manual validation peaks negative values < negative detection limit invalid (-999) in data base rapid changes unusual high/low values during longer period unusual value courses use standard procedures (SOP) for the manual validation time coverage exceedances of thresholds

34 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Stufe 2, 3 und 4 des Validierungskonzeptes Technische Voraussetzung: Leistungsfähige Software, insbesondere auch Visualisierungstools Personelle Voraussetzung: Authorisiertes Personal, d.h. klare Zuständigkeit Qualifiziertes Personal, d.h. entsprechendes Fachwissen

35 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Stufe 2, 3 und 4 des Validierungskonzeptes Erforderliches Fachwisssen des qualifizierten Personals Kenntnisse der Luftqualitäts-Messtechnik Kenntnisse des Standortes und der Klassifikation der Messstation Spezifische Klimatologie des Standortes / der Region Geografische Bedingungen Prozesse der Atmosphärenchemie Kenntnis potentieller Emittenten Background information (occurrence in the past)

36 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Objective of AAQ monitoring - validated and complete data - Check completeness of data transmission Check ½-h values and raw data Check results of zero- /span checks END Check indoor temperature of stations In range? Information to head of maintenance yes Complete? Check reasons with data centre Invalid or remarkable values Invalid values Offset / drift / jump Constant values Negative values Peak values Abnormal conc. levels Checking: Status messages Results of zero/span check Invalid results, drifts? Information to head of maintenance yes no Daily technical data check Invalid values Offset / drift / jumps Constant values Negative values Peak values Abnormal conc. levels Remote controlled function check

37 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Criteria for Daily Data Validation step 2,3+4 of the concept Levels of other pollutants Time of day / year Meteorology Site characteristics Maintenance records Observations at other sites Audits and calibrations Instrument performance history Calibration / drift control charts Data anomalies data check

38 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Criteria for Manual Data Validation step 2,3+4 of the concept Levels of other pollutants Time of day / year Meteorology Site characteristics Maintenance records Observations at other sites Audits and calibrations Instrument performance history Calibration / drift control charts Data anomalies data check

39 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Luftverunreinigungen im atmosphärischen Prozess Emission Immission Ausbreitung Transport Umwandlung QuelleMeteorologieMessdaten Atmosphärenchemie

40 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Luftverunreinigungen im atmosphärischen Prozess Wichtige meteorologische Messgrößen Windrichtung Windgeschwindigkeit Temperatur Temperaturgradient !! Feuchte Globalstrahlung Niederschlag

41 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Luftverunreinigungen im atmosphärischen Prozess Temperarturinversion Austauscharme Wetterlage Schwachwindlage + Anstieg der Schadstoffkonzentrationen

42 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Anreicherung von Luftschadstoffen durch Deckel-auf-dem-Topf- Effekt

43 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Auswirkungen von Inversionen Beispiel: Magdeburg Verkehrsstation

44 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Luftqualitätsdaten in Europa Quality Management: EU-Requirements and Consequences Data Validation Concept and Methods - Example from Saxony-Anhalt Data Analysis / Possible Measurement Errors - Examples from German and Romanian Networks Recommendations, Conclusion Content:

45 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Ungewöhnliche (hohe) Messwerte können verursacht sein durch reale Schadstoffbelastungen durch technische Probleme im Messnetz Klärung im Validierungsverfahren

46 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Feinstaub durch Straßenbau- maßnahmen Halbstunden-Mittelwerte PM

47 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Feinstaub durch Straßenbau- maßnahmen Tages-Mittelwerte PM10

48 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Beispiel hohe Belastung NO, NO2, CO Cercul Militar Daten korrekt !

49 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Ungewöhnliche (hohe) Messwerte können verursacht sein durch reale Schadstoffbelastungen durch technische Probleme im Messnetz Klärung im Validierungsverfahren

50 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania SO2-Peak Balotesti Gerätefehler ! Grenzwert

51 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania SO2-Peak Balotesti High SO2-values probably invalid Short station break-down ? should be deleted

52 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Abnormal PM10-Peak in Craiova Probably maintenance or short breakdown of monitoring site Real or not ?

53 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Data validation - offset and drift in progress - e.g. SO 2 concentration of monitoring sites in Mecklenburg Western Pomerania Offset ?

54 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in RomaniaTrends? Data validation - offset and drift in progress - e.g. CO concentration of a monitoring site in Mecklenburg Western Pomerania Maintenance (1st correction of baseline) Maintenance (2nd correction of baseline) Maintenance (change of analyzer)

55 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Reale Konzentrationen oder Gerätefehler (Drift) ? Messstation Burg 9 Tage Gerätedrift ? PM10

56 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Reale Konzentrationen oder Gerätefehler (Drift) ? Messstation Burg 9 Tage Gerätedrift ? PM10 PM2.5

57 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Reale Konzentrationen oder Gerätefehler (Drift) ? Messstation Halle-O 9 Tage Gerätedrift ? Vergleichsstation ! Ursache: Feinstaubepisode

58 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Reale PM 10 -Konzentration oder Gerätefehler ?

59 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Reale PM 10 -Konzentration oder Gerätefehler ? Weitere Vergleichsstationen ! Ursache: Ferntransport

60 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Ozone in Bucuresti – Balotesti Titan Magurele Outlier in Balotesti

61 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Jahresmittelwerte Ozon in Bucuresti 2007 Break in Magurele ! Jahresmittelwert unplausibel!

62 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Ozone in Bucuresti – Balotesti Titan Magurele Outlier in Balotesti

63 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Ozone in Bucuresti – breaks - outlier not visible in 2008 ! Ok!

64 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania NO2 in Bucuresti 6-8 / 2007 Break in data raw Mihai Bravu NO2

65 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania NO2 in Bucuresti 9-12 / 2007 Technical problems with NO2- analyser in Mihai Bravu (Maintenance + spare parts)

66 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania NO2 in Bucuresti 1-8 / 2008 Ok ! Alert threshold

67 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Jahresmittelwerte NO2 in Bucuresti Jahresmittelwert unplausibel Empfehlung: Fehlerhafte Werte im Jahresdatensatz ungültig setzen

68 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania ? Ozone 2006 Monitoring Network Cluj

69 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Invalid Ozone values after data gap Analyser break down ?

70 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Instrument defect ? ? PM Monitoring Network Cluj Data fragment invalid

71 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Invalid ?!

72 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania drift negativ values Exceedances ?

73 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania offset

74 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania offset factor? offset Traffic ?

75 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Cluj SO µg/m³ every night at 2:00 am Alart ??

76 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Dej SO2 jan-feb 2008

77 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania drift 1 Tolerable! Correction possible drift 2 OK ! Dej SO2 jan-apr 2008

78 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Offset increasing = drift Time of function check Example: drift 2

79 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania % ! offset ?? No ! Example drift 2

80 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Luftqualitätsdaten in Europa Quality Management: EU-Requirements and Consequences Data Validation Concept and Methods - Example from Saxony-Anhalt Data Analysis / Possible Measurement Errors - Examples from German and Romanian Networks Recommendations, Conclusion Content:

81 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Data validation - conclusions - Are the data complete ? Are the data complete ? What about the data capture ? What about the data capture ? Are there any values below detection limit ? Are there any values below detection limit ? Are there any abnormal values /abnormal peaks ? Are there any abnormal values /abnormal peaks ? Are there any offsets ? Are there any offsets ? Are there any trends Are there any trends I. Checklist for identifying problems: Frequency of data validation daily daily monthly monthly yearly yearly A) Malfunction of analyzer (invalid data) ? A) Malfunction of analyzer (invalid data) ? B) Real reasons (valid data) ? B) Real reasons (valid data) ? II. Identifying the reasons if A) then correction / deleting of values if A) then correction / deleting of values if B) then no data correction / if B) then no data correction / documentation of identified real reasons documentation of identified real reasons if no malfunction and no real reason if no malfunction and no real reason identifiable then no data correction / identifiable then no data correction / documentation of identified salience documentation of identified salience III. Reaction

82 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Recommendations, Conclusion Validierung der Messwerte spielt entscheidende Rolle für die Datenqualität Ziel: Vollständige und fehlerfreie Messdaten erzeugen Alle Messnetze haben dieses Problem und müssen es lösen. Prüfung der rumänischen Messdaten zeigten zum Teil erhebliche Qualitätsprobleme. Technische Ursachen: Wartungsqualität, Ersatzgeräte, Ersatzteile, Kalibrierung, Personelle Ursachen: Zuständigkeit, Qualifikation, Erfahrung, Lösung des Problems ist längerer Prozess und erfordert Validierungskonzept und klare Zuständigkeit Training des zuständigen Personals Regelmäßigen Erfahrungsaustausch aller Messsnetze Gute Erfahrungen der Messnetze Bucuresti, Craiova,....? nutzen

83 Saxony-Anhalt EU Twinning Project RO 2006/IB/EN/09 State Environmental Protection Agency Ulrich ZimmermannWorkshop Bucuresti Air Quality Monitoring and Management in Romania Vielen Dank für die Geduld!