International Pyrheliometer Comparison IPC-XII
|
|
- Kerrie Short
- 6 years ago
- Views:
Transcription
1 t h The 12 t h International Pyrheliometer Comparison IPC-XII 29. September 2016, TECO-2016, Madrid Wolfgang Finsterle Physikalisch-Meteorologisches Observatorium Davos World Radiation Center
2 Outline What are IPCs? Why do we need IPCs? Who cares? How does it work? What is special about solar irradiance? Metrology Standardization IPC-XII Participation Results and Conclusions Future of IPCs
3 What are IPCs?
4
5 The purpose of this undertaking was to secure the comparability of all meteorological radiation measurements throughout the world, on the one hand retrospectively for all observations of IGY and IGC (1957/1959) the results of which had to the greater part not yet been published, on the other hand for future observations of radiation. (from IPC-I Report, WMO CIMO-III/Doc. 37, 1962)
6 1959: The modest target There should be a well standardized pyrheliometer available in many countries on each continent (as far as possible) which could serve as standard for calibrations in the region. ( The important task to undertake a new absolute standardization or to create a new absolute basis for a pyrheliometric standard scale was left completely out of consideration. ) homogenization
7 The extended target...the urgent need of methods of standardization not based upon a specific instrument but rather upon a well-defined procedure which is standardized, reproducible, and repeatable at all times and places. Fröhlich, Proc. 2 nd Symp. Meteor. Obs. Instrum. AMS, 1972 The World Radiometric Reference WRR was defined based on the average of 15 absolute cavity radiometers, and the World Standard Group WSG was established to realize the WRR. WMO-No. 490, Annex IV, CIMO-VII, 1977 In 2010 WMO joined the CIPM MRA. The WRR became a primary standard within the SI. The stability of the WSG is validated during IPCs. standardization
8 Build and share knowledge IPC-XII seminar
9 homogenization standardization to build and share knowledge
10 Who cares? Regional and National Radiation Centres RRC are required per CIMO Guide to compare their standard pyrheliometers with the WSG during IPCs Meteo agencies To provide traceability to their solar radiation networks Radiometer manufacturers To showcase their products Research institutions Solar energy sector Traceability National Metrology Institutes To provide traceability to their irradiance references IPC stakeholders
11 How does it work? new WRR 1 st Step: Average of WSG pyrheliometers corrected with old WRR factor = new WRR old WRR Factor old WRR Factor old WRR Factor old WRR Factor old WRR Factor old WRR Factor standardization WSG
12 new WRR Factor new WRR Factor new WRR Factor new WRR Factor new WRR Factor new WRR Factor Standardization new WRR 2 nd Step: Ratio of new WRR to WSG pyrheliometers = new WRR Factors WSG
13 Homogenization new WRR WSG 3 rd Step: Ratio of new WRR to participating pyrheliometers = new WRR Factors
14 Homogenization new WRR WSG 3 rd Step: Ratio of new WRR to participating pyrheliometers = new WRR Factors
15 Stability check new WRR WSG stability check 4 th Step (stability check): Average ratio of old to new WRR factors should be unity.
16 IPC procedures 1.Determine new WRR from valid WSG with old WRR factors Apply data selection criteria Calculate average of at least 4 WSG pyrheliometers 2.Determine new WRR factors for all WSG pyrheliometers Calculate ratios of the new WRR to each WSG pyrheliometer Re-assess data selection Iterate 1. and 2. as appropriate 3.Calculate new WRR factors for participating pyrheliometers 4.Estimate stability of WSG from average inter-ipc drift of WRR factors of participating pyrheliometers
17 Stability of the WSG
18 What is special about Solar Irradiance? Field pyrheliometers Field pyranometers Reference pyrheliometers Reference pyranometers WRR World Radiometric Reference (WRR) Established by WMO (CIMO Guide) Recognized by BIPM through CIPM MRA CMCs approved (KCDB) Currently no traceability to SI base units traceability island
19 Proposed future traceability chain for Solar Irradiance Field pyrheliometers Field pyranometers Reference pyrheliometers Reference pyranometers WRR Cryogenic Solar Absolute Radiometer (CSAR) BIPM key comparisons m kg SI- Base Units K mol cd A s traceable to SI base units
20 0.5±0.4% S c a l e -5.0±0.4% 2.2±0.4% ~0.3%? Technology Evolution of solar radiometry and irradiance scales 1893 Ångström Pyrheliometer 1911 Silverdisk Pyrheliometer (calibrated against self-calibrating water-stir instrument) 1905 Ångström Scale (International Meteorological Conference, Innsbruck) 1913 Smithsonian Scale 1956 Definition of of the International Pyrheliometric Scale IPS Absolute Cavity Pyrheliometer 1971 WRC 1977 Definition of of the World Radiometric Reference WRR 2010 Cryogenic Solar Absolute Radiometer (CSAR) 2??? Cryogenic Scale?
21 IPC-XII 111 individuals 33 countries 134 pyrheliometers 15 RRC, 15 NRC 26 other institutions and manufacturers world-wide coverage
22 IPC-XII 578 WRR data points 9 measurement days in 3-weeks period Temperature, humidity, pressure 3 wind stations throughout the measurement field Scattering parameters 367.6, 412.0, 501.2, and nm Ångström exponents, Ozone data base
23 IPC-XII Online registration opened 6 months prior to start of the campaign Invitation letters were sent to registered participants for visa purposes Negotiation with local hotels for accommodation deal Arrangement with MeteoSwiss for local weather and cloud forecast during IPC-XII Arrangement with Skyguide (ATC) to reduce contrails over IPC-XII site preparations
24 Storage space
25 Working space Storage space
26 Working space Storage space Connectivity power and data
27 Time server and reference clock Working space Storage space Connectivity power and data
28 Time server and reference clock Working space Storage space Connectivity power and data Shipping
29 IPC-XII
30 Results New WRR factors for the WSG pyrheliometers computed with PMO2, PMO5, CROM2L, and PAC3 and their respective WRR factors from IPC-XI (2010).
31 ipcxii-report.pdf
32 Cryogenic Solar Absolute Radiometer CSAR Mechanical cooler quartz window 10 mm receiver cavity 20 K reference block
33 CSAR & MITRA
34 CSAR Measurements SI to WSG: % ± 0.053% (k = 1) IPC-XII measurement day # CIMO Task Team on Radiation References
35 IPgC-II and FRC-IV In conjunction with the IPC-XII 2 nd International Pyrgeometer Comparison (IPgC-II) 4 th Filterradiometer Comparison (FRC-IV) Stay tuned for the upcoming presentation by Julian Gröbner on the IPgC-II!
36 Wolfgang Finsterle, Thank you for your attention!
37 Traceability to SI base units NMI (Switzerland: METAS) SI- Base Units c N A e k B h m kg K mol cd A s Josephson effect 2e/h Quantum Hall effect h/e 2 Aperture Area [m 2 ] Standard Volt Standard Ohm Transfer Multimeter m 2 Pyrheliometer W Markus Suter, 2014
38 ± 400 ppm WRR Standard - Conventional SI/WMO Standard - Solar Irradiance - Artefact based - Ambient Air SI- Base Units ( kg, m, s, ) ± 3000 ppm ± 700 ppm ± 140 ppm Cryogenic Laboratory Standard - SI - Laser Power - Vacuum - est Cryogenic Solar Absolute Radiometer (CSAR) (Vac/Ambient) ± 200 ppm ± 380 ppm <± (300ppm) ± 10 ppm Cryogenic Radiometer (Vacuum) Native Scale WRR Scale SI-Lab Scale CSAR Scale Measurement (Solar Irradiance) [W/m 2 ] Radiant Power [W] uncertainties are indicated for k=2
Results of the 10 International Pyrheliometer Comparison IPC-X
th Results of the 10 International Pyrheliometer Comparison IPC-X TECO 2006, 5. December 2006, WMO HQ, Geneva, Switzerland IPC-X 2005 26. September 14. October 73 participants representing 42 nations 101
More informationW O R L D M E T E O R O L O G I C A L O R G A N I Z A T I O N COMMISSION FOR INSTRUMENTS AND METHODS OF OBSERVATION
W O R L D M E T E O R O L O G I C A L O R G A N I Z A T I O N COMMISSION FOR INSTRUMENTS AND METHODS OF OBSERVATION CIMO EXPERT TEAM ON METEOROLOGICAL RADIATION AND ATMOSPHERIC COMPOSITION MEASUREMENTS
More informationLiaison with the World Meteorological Organization (WMO) Isabelle Rüedi
Liaison with the World Meteorological Organization (WMO) Isabelle Rüedi 12th International Pyrheliometer Comparison Took place at PMOD/WRC from 28 Sept. 12 Oct. 2015 Participants: 33 countries, 134 pyrheliometers
More informationInstruments and Methods of Observation Programme
Instruments and Methods of Observation Programme Report of President of CIMO for Fourteenth WMO Congress Dr S.K. Srivastava President of CIMO Geneva, 9 May 2003 Instruments and Methods of Observation Programme
More informationSUB-REGIONAL PYRANOMETER INTERCOMPARISON FOR THE SOUTH-EASTERN EUROPE ABSTRACT
SUB-REGIOAL PYRAOMETER ITERCOMPARISO FOR THE SOUTH-EASTER EUROPE Krunoslav Premec Meteorological and Hydrological Service of Croatia, HR-10000 Zagreb, Gric 3, CROATIA Tel: + 385 1 4565 607, Fax: +385 1
More informationSTATUS OF INSTRUMENTS TRACEABILITY IN NMHSs
WORLD METEOROLOGICAL ORGANIZATION COMMISSION FOR INSTRUMENTS AND METHODS OF OBSERVATION OPAG CAPACITY BUILDING CIMO EXPERT TEAM ON REGIONAL INSTRUMENT CENTRES, QUALITY MANAGEMENT SYSTEMS AND COMMERCIAL
More informationReport on the Second International Pyrgeometer Intercomparison (27 Sept - 15 Oct 2015, PMOD/WRC)
Instruments and Observing Methods Report No. 129 WEATHER CLIMATE WATER Report on the Second International Pyrgeometer Intercomparison (27 Sept - 15 Oct 2015, PMOD/WRC) J. Gröbner and C. Thomann (Switzerland)
More informationDr. Laurent Vuilleumier, project leader Dr. Stephan Nyeki, Armand Vernez, Serge Brönnimann, Dr. Alain Heimo
Name of research institute or organization: MeteoSwiss, Payerne Title of project: Global Atmosphere Watch Radiation Measurements Project leader and team: Dr. Laurent Vuilleumier, project leader Dr. Stephan
More informationInstruments and Methods of Observation Programme, the Report of the President of CIMO. Report to Cg-XV May 2007 Dr. J. Nash President of CIMO
Instruments and Methods of Observation Programme, the Report of the President of CIMO Report to Cg-XV May 2007 Dr. J. Nash President of CIMO 1 CIMO Mission To promote and facilitate international standardisation
More informationWORLD METEOROLOGICAL ORGANIZATION. INSTRUMENTS AND OBSERVING METHODS REP ORT No. 97
WORLD METEOROLOGICAL ORGANIZATION INSTRUMENTS AND OBSERVING METHODS REP ORT No. 97 SECOND WMO REGIONAL PYRHELIOMETER COMPARISON OF RA II (Tokyo, 22 January 2 February 2007) by H. SASAKI (Japan) WMO/TD
More informationComponents of uncertainty in measurements by means of AWS
Components of uncertainty in measurements by means of AWS G. Coppa, F. Sanna, C. Musacchio, A. Merlone INRiM Istituto Nazionale di Ricerca Metrologica Outline Metrology and Meteorology Uncertainty in temperature
More informationCHAPTER CONTENTS. Page
CHAPTER CONTENTS CHAPTER 7. MEASUREMENT OF RADIATION... 222 7.1 General... 222 7.1.1 Definitions... 222 7.1.2 Units and scales... 223 7.1.2.1 Units... 223 7.1.2.2 Standardization... 223 7.1.3 Meteorological
More informationCalibration of instruments measuring broadband and spectral solar (UV) irradiance
Calibration of instruments measuring broadband and spectral solar (UV) irradiance Gregor Hülsen, Julian Gröbner and Luca Egli Physikalisch-Meteorologisches Observatorium Davos, World radiation Center (PMOD/WRC)
More informationCHAPTER 7. MEASUREMENT OF RADIATION
SECTION: Table_of_Contents_Chapter Chapter title in running head: CHAPTER 7. MEASUREMENT OF RADIATION Chapter_ID: 8_I_7_en Part title in running head: PART I. MEASUREMENT OF METEOROLOGICAL VARI SECTION:
More informationFinal Report on APMP.M.M-K4.1 - Bilateral Comparison of 1 kg Stainless Steel Mass Standards between KRISS and A*STAR
Final Report on APMP.M.M-K4.1 - Bilateral Comparison of 1 kg Stainless Steel Mass Standards between KRISS and A*STAR Jin Wan Chung 1, Shih Mean Lee, Sungjun Lee 1 1 Korea Research Institute of Standards
More informationAFRIMETS. Supplementary Comparison Programme. Calibration of Gauge Blocks. by Mechanical Comparison Method AFRIMETS.L S3.
AFRIMETS Secretariat Private Bag X34 Lynnwood Ridge 0040 AFRIMETS Supplementary Comparison Programme Calibration of Gauge Blocks by Mechanical Comparison Method AFRIMETS.L S3 Final Report Giza, Egypt,
More informationThe General Conference on Weights and Measures (CGPM), at its 24th meeting,
On the possible future revision of the International System of Units, the SI Resolution 1 The General Conference on Weights and Measures (CGPM), at its 24th meeting, considering the international consensus
More informationMETEO-Cert: Acceptance Procedure for Automatic Weather Stations
Eidgenössisches Departement des Innern EDI Bundesamt für Meteorologie und Klimatologie MeteoSchweiz METEO-Cert: Acceptance Procedure for Automatic Weather Stations Joël Fisler, Marlen Kube & Bertrand Calpini
More informationMetrology Principles for Earth Observation: the NMI view. Emma Woolliams 17 th October 2017
Metrology Principles for Earth Observation: the NMI view Emma Woolliams 17 th October 2017 Interoperability Decadal Stability Radiometric Accuracy Identical worldwide Century-long stability Absolute accuracy
More informationThe steps to an uncertainty budget
The steps to an uncertainty budget Emma Woolliams 4 April 2017 Prepared by Paul Miller http://www.emceoc.org Uncertainty Where to start? What to do? How to be consistent? Make it easy. At the end of this
More informationBSRN STATION DESCRIPTION
Description page 1-7 valid until 2014-12-31, for the description from 2015-01-01 on see page 8-14 BSRN STATION STATION MANAGER Atmospheric Environment Division, Japan Meteorological Agency (JMA) Address:
More informationM. Campanelli 1, V. Estellés 2, H. Diemoz 3, N. Kouremeti 4, S. Kazadzis 4, R. Becker 5, S. Vergari 6, S. Dietrich 1. 1.
The SKYNET radiometer Network: Aerosol Optical Depth retrieval performance at the FRC IV campaign and long term comparison against GAW PFR and AERONET standard instruments M. Campanelli 1, V. Estellés
More informationCCM short note on the dissemination process after the proposed redefinition of the kilogram
CCM short note on the dissemination process after the proposed redefinition of the kilogram Consultative Committee for Mass and Related Quantities 1. Introduction This note proposes how the mise en pratique
More informationTechnical Protocol of the CIPM Key Comparison CCAUV.V-K5
Technical Protocol of the CIPM Key Comparison CCAUV.V-K5 2017-03-06 revised 2018-02-13 (changed schedule) Task and Purpose of the Comparison According to the rules set up by the CIPM MRA the consultative
More informationSpace experiments of PMOD/WRC to measure the solar constant and the influence of the solar irradiance on the terrestrial climate
Overview 1 Space experiments of PMOD/WRC to measure the solar constant and the influence of the solar irradiance on the terrestrial climate Werner Schmutz PMOD/WRC ISPMSRS'07 12-14 March 2007 Davos, Switzerland
More informationOn the redefinition of the kilogram. Dr Philippe RICHARD
On the redefinition of the kilogram Dr Philippe RICHARD Agenda 1. Recent history of IPK and new SI 2. The CCM conditions 3. The joint CCM and CCU roadmap 4. The mise en pratique of the definition of the
More informationReport on established joint calibration facility for pyrheliometers at PSA to be operated as ACCESS facility
Report on established joint calibration facility for pyrheliometers at PSA to be operated as ACCESS facility SFERA II Project Solar Facilities for the European Research Area -Second Phase Grant agreement
More informationRevising the International System (SI) of Units of Measurement. Dr Barry IngIis President, International Committee for Weights and Measures
Revising the International System (SI) of Units of Measurement Dr Barry IngIis President, International Committee for Weights and Measures Symposium on International Trend of Metrology Metrology for Industrial
More informationComparison of V and 10 V DC Voltage References
Comparison of 1.018 V and 10 V DC Voltage References Technical protocol for BIPM.EM-K11.a and.b comparisons 1. Introduction The Mutual Recognition Arrangement among National Metrology Institutes (NMIs)
More informationLP PYRA Installation and Mounting of the Pyranometer for the Measurement of Global Radiation:
CENTRO DI TARATURA SIT N 124 TEL. +39.049.8977150 r.a. FAX +39.049.635596 1 Introduction LP PYRA 03 The LP PYRA 03 pyranometer measures the irradiance on a plane surface (Watt/ m 2 ). Measured irradiance
More informationIntegrating third party data from partner networks: Quality assessment using MeteoSwiss Meteorological Certification procedure
Federal Department of Home Affairs FDHA Federal Office of Meteorology and Climatology MeteoSwiss Integrating third party data from partner networks: Quality assessment using MeteoSwiss Meteorological Certification
More informationCalibration, traceability, uncertainty and comparing measurement results. Workshop 16 March 2015 VSL, Delft The Netherlands
Calibration, traceability, uncertainty and comparing measurement results Workshop 16 March 2015 VSL, Delft The Netherlands 1 Calibration Calibrating an instrument involves comparing the measurements of
More informationFinal Report 06 July 2006 Frank Wilkinson, Gan Xu, and Yuanjie Liu
Bilateral Comparison of between NMIA (Australia) and SPRING (Singapore) (KCDB reference No. CCPR-K1.a.1) Final Report 06 July 2006 Frank Wilkinson, Gan Xu, and Yuanjie Liu Contents 1. Introduction..2 2.
More informationWORLD METEOROLOGICAL ORGANIZATION. INSTRUMENTS AND OBSERVING METHODS REP ORT No. 98
WORLD METEOROLOGICAL ORGANIZATION INSTRUMENTS AND OBSERVING METHODS REP ORT No. 98 SUB REGIONAL PYRANOMETER INTERCOMPARISON OF THE RA VI MEMBERS FROM SOUTH EASTERN EUROPE (Split, Croatia, 22 July 6 August
More informationTechnical Protocol of the Bilateral Comparison in Primary Angular Vibration Calibration CCAUV.V-S1
Technical Protocol of the Bilateral Comparison in Primary Angular Vibration Calibration CCAUV.V-S1 Updated at 12-December-2012 Task and Purpose of the Comparison According to the rules set up by the CIPM
More informationMANUAL ON THE GLOBAL OBSERVING SYSTEM
WORLD METEOROLOGICAL ORGANIZATION MANUAL ON THE GLOBAL OBSERVING SYSTEM VOLUME II REGIONAL ASPECTS (revised edition 1995) WMO-No. 544 Secretariat of the World Meteorological Organization Geneva Switzerland
More informationSolar constants and radiometric scales
Solar constants and radiometric scales B. W. Forgan The basic requirement for any type of measurement in which comparisons are made in a scale, relative or absolute. The values used by the Committee on
More informationIntroductions to RIC-Beijing. NAN Xuejing, CUI Xiai Meteorological Observation Center China Meteorological Administration March,2018
Introductions to RIC-Beijing NAN Xuejing, CUI Xiai China Meteorological Administration March,2018 Contents 1. China Meteorological Administration (CMA) Organization 2. (MOC) Functional Structure Responsibilities
More informationReport of CoreTemp2017: Intercomparison of dual thermistor radiosonde (DTR) with RS41, RS92 and DFM09 radiosondes
Report of CoreTemp2017: Intercomparison of dual thermistor radiosonde (DTR) with RS41, RS92 and DFM09 radiosondes Yong-Gyoo Kim *, Ph.D and GRUAN Lead center *Upper-air measurement team Center for Thermometry
More informationIntroduction of RIC Tsukuba (Japan, RAII)
Introduction of RIC Tsukuba (Japan, RAII) 20 March, 2018 Kouichi NAKASHIMA Scientific Officer Regional Instrument Centre Tsukuba Observing Division, Observing Department Outline 1. Overview of Organization
More informationCONTENT 2. ORGANIZATION 3. SERVICES. instruments. (3)Activities of RIC Tsukuba
1 CONTENT 1. INTRODUCTION 2. ORGANIZATION 3. SERVICES (1)Quality assurance of meteorological instruments (2)Research and development (3)Activities of RIC Tsukuba 2 Meteorological Instruments Center (MIC)
More informationResponsivity of an Eppley NIP as a Function of Time and Temperature
Responsivity of an Eppley NIP as a Function of Time and Temperature By Abstract: Frank Vignola Physics Department 174 University of Oregon Eugene, OR 97403-174 Ibrahim Reda National Renewable Energy Laboratory
More informationProvläsningsexemplar / Preview INTERNATIONAL STANDARD ISO Second edition
INTERNATIONAL STANDARD ISO 17123-4 Second edition 2012-06-01 Optics and optical instruments Field procedures for testing geodetic and surveying instruments Part 4: Electro-optical distance meters (EDM
More informationR SANAS Page 1 of 7
ESTIMATION OF THE UNCERTAINTY OF MEASUREMENT BY CALIBRATION LABORATORIES AND SPECIFICATION OF CALIBRATION AND MEASUREMENT CAPABILITY ON SCHEDULES OF ACCREDITATION Approved By: Chief Executive Officer:
More informationCAPACITY BUILDING AND DEVELOPMENT OF THE RIC IN MANILA (PHILIPPINES)
CAPACITY BUILDING AND DEVELOPMENT OF THE RIC IN MANILA (PHILIPPINES) by Ferdinand Y. Barcenas 1 ABSTRACT The Regional Instrument Centre for the South-West Pacific in Manila, Philippines was recognized
More informationUSER MANUAL DR-SERIES PYRHELIOMETERS
Hukseflux Thermal Sensors USER MANUAL DR-SERIES PYRHELIOMETERS First class pyrheliometer DR01 Fast response first class pyrheliometer DR02 Compact fast response first class pyrheliometer DR03 Copyright
More informationGRUAN Station Report for Ny-Ålesund
WMO/IOC/UNEP/ICSU GLOBAL CLIMATE OBSERVING SYSTEM (GCOS) 8th GRUAN Implementation- Coordination Meeting (ICM-8) Boulder, USA 25 April 29 April 2016 Doc. 7.11 (05.IV.2016) Session 7 GRUAN Station Report
More informationKilogram: new definition, selected mises-en-pratique and direct link with SMD activities
Kilogram: new definition, selected mises-en-pratique and direct link with SMD activities Mieke Coenegrachts WMD 2018 Outline Mass at the SMD - ENS Definition of the kilogram Present New Practical realization
More informationAerosol optical depth ground-based sensors, homogenization activities between different networks
Aerosol optical depth ground-based sensors, homogenization activities between different networks Stelios Kazadzis Physikalisch-Meteorologisches Observatorium Davos, World Radiation Center Switzerland ECARS
More informationChapter 2 Available Solar Radiation
Chapter 2 Available Solar Radiation DEFINITIONS Figure shows the primary radiation fluxes on a surface at or near the ground that are important in connection with solar thermal processes. DEFINITIONS It
More informationInternational Atomic Energy Agency. Department of Nuclear Sciences and Applications. IAEA Environment Laboratories
International Atomic Energy Agency Department of Nuclear Sciences and Applications IAEA Environment Laboratories Vienna International Centre, P.O. Box 100, 1400 Vienna, Austria REFERENCE SHEET CERTIFIED
More informationInterview with Dr. Jaya Singh. 1. How critical is weather monitoring in a solar power plant and what are all the parameters to be monitored?
Interview with Dr. Jaya Singh Dr. Jaya Singh is an entrepreneur and scientist with experience in a range of industries including biotech, environmental sciences, and agriculture. She currently drives strategy
More informationFourth WMO Regional Pyrheliometer Comparison of RA II, Jointly held with RA V (23 Jan - 3 Feb, Tsukuba, Japan)
Instruments and Observing Methods Report No. 130 WEATHER CLIMATE WATER Fourth WMO Regional Pyrheliometer Comparison of RA II, Jointly held with RA V (23 Jan - 3 Feb, Tsukuba, Japan) M. Omori (Japan), M.
More informationRADIOMETRIC MEASUREMENTS IN EASTERN MOLDAVIA. CORRELATIONS BETWEEN TOTAL CLOUDINESS AND THE SUNSHINE DURATION
PRESENT ENVIRONMENT AND SUSTAINABLE DEVELOPMENT, NR. 4, 2010 RADIOMETRIC MEASUREMENTS IN EASTERN MOLDAVIA. CORRELATIONS BETWEEN TOTAL CLOUDINESS AND THE SUNSHINE DURATION Adrian Timofte 1, Diana-Corina
More informationIntroduction to metrology
Introduction to metrology Emma Woolliams 4 April 2017 http://www.emceoc.org About NPL Founded in 1900 World leading National Metrology Institute ~750 staff; 550+ specialists in Measurement Science plus
More informationDocument No: TR 12 Issue No: 1
ESTIMATION OF THE UNCERTAINTY OF MEASUREMENT BY CALIBRATION LABORATORIES AND SPECIFICATION OF CALIBRATION AND MEASUREMENT CAPABILITY ON SCHEDULES OF ACCREDITATION Prepared by: SADCAS Technical Manage Approved
More informationOverviewofRIC Tsukuba (Japan,RAII )
OverviewofRIC Tsukuba (Japan,RAII ) 7Nov.2016 Hiroshi Yoshimura Scientific Officer Regional Instrument Centre Tsukuba Observing Division, Observing Department Outline 1. WMO Regional Instrument Center
More informationQuality assurance for sensors at the Deutscher Wetterdienst (DWD)
Quality assurance for sensors at the Deutscher Wetterdienst (DWD) Quality assurance / maintenance / calibration Holger Dörschel, Dr Tilman Holfelder WMO International Conference on Automatic Weather Stations
More informationAccuracy of ground surface broadband shortwave radiation monitoring
Accuracy of ground surface broadband shortwave radiation monitoring Laurent Vuilleumier, Mathias Hauser, Christian Félix, Franck Vignola, Philippe Blanc, Andreas Kazantzidis, Bertrand Calpini To cite this
More informationWMO SPICE. World Meteorological Organization. Solid Precipitation Intercomparison Experiment - Overall results and recommendations
WMO World Meteorological Organization Working together in weather, climate and water WMO SPICE Solid Precipitation Intercomparison Experiment - Overall results and recommendations CIMO-XVII Amsterdam,
More informationREPORTS OF CHAIRS. Report of the Chair ET-ORS. (Submitted by Li Bai on Behalf of CIMO Expert Team on Operational Remote-Sensing)
WORLD METEOROLOGICAL ORGANIZATION CBS/ET-SBRSO-2 & CIMO/ET-ORS- 1/Doc.2.2 JOINT MEETING OF (14.Xl.2011) CBS EXPERT TEAM ON SURFACE-BASED REMOTELY- SENSED OBSERVATIONS (Second Session) AND ITEM : 2.2 CIMO
More informationKey comparison BIPM.RI(I)-K7 of the air-kerma standards of the CMI, Czech Republic and the BIPM in mammography x-rays
Key comparison BIPM.RI(I)-K7 of the air-kerma standards of the CMI, Czech Republic and the BIPM in mammography x-rays C Kessler 1, D T Burns 1, P Roger 1, V Sochor 2 1 Bureau International des Poids et
More informationMeasurement & Uncertainty - Basic concept and its application
Measurement & Uncertainty - Basic concept and its application Feb. 7. 2012 JongOh CHOI (choijongoh@kriss.re.kr) Knowledge and measurement When you can measure what you are speaking about, and express it
More informationThe Kentucky Mesonet: Entering a New Phase
The Kentucky Mesonet: Entering a New Phase Stuart A. Foster State Climatologist Kentucky Climate Center Western Kentucky University KCJEA Winter Conference Lexington, Kentucky February 9, 2017 Kentucky
More informationBIAN ZEQIANG Senior Engineer National Center for Meteorological Metrology Meteorological Observation Cent China Meteorological Administration
Introduction of RIC-Beijing BIAN ZEQIANG Senior Engineer National Center for Meteorological Metrology Meteorological Observation Cent China Meteorological Administration Outline 1. China Meteorology Administration
More informationCharacterization and Calibration of a Fourier Transform Spectroradiometer for Solar UV Irradiance Measurements
EMRP-ENV03 Solar UV WP 3: Improvement of Reference Spectroradiometers Characterization and Calibration of a Fourier Transform Spectroradiometer for Solar UV Irradiance Measurements Peter Meindl, Christian
More informationTHE PICARD mission. Gérard Thuillier 1, Steven Dewitte 2, Werner Schmutz 3, and the PICARD team 4
THE PICARD mission Gérard Thuillier 1, Steven Dewitte 2, Werner Schmutz 3, and the PICARD team 4 1 LATMOS-CNRS, France 2 Royal Meteorological Institute of Belgium 3 Physikalisch-Meteorologisches Observatorium
More informationEstablishment of a Traceability Chain in Metrology for Materials
Establishment of a Traceability Chain in Metrology for Materials G. W. Bahng*, Colin Lea** *KRISS, gwbahng@kriss.re.kr, **NPL, cl@npl.co.uk Abstract Materials metrology is becoming an increasingly important
More informationBrewer UV measurement and calibration
Brewer UV measurement and calibration Julian Gröbner Physikalisch-Meteorologisches Observatorium Davos, World Radiation Center (PMOD/WRC) 14/10/2014 Brewer UV Measurements and calibration 1 Overview Comparison
More informationOPAG on Integrated Observing Systems. Workshop to Improve the Usefulness of Operational Radiosonde Data. (Submitted by the Secretariat)
WORLD METEOROLOGICAL ORGANIZATION COMMISSION FOR BASIC SYSTEMS CBS MANAGEMENT GROUP Fourth session Langen, Germany, 13-16 October 2003 Distr.: RESTRICTED CBS/MG-IV/Doc. 3.1(5) (24.IX.2003) ITEM: 3.1 ENGLISH
More informationSupplementary Comparison EURAMET.EM-S19 EURAMET Project No. 688
Supplementary Comparison EURAMET.EMS19 EURAMET Project No. 688 Bilateral Comparison of Measurements of Current Transformers (CTs) Between and Final Report Hüseyin Çaycı (, Pilot Laboratory) January 211
More informationSpecifications for a Reference Radiosonde for the GCOS Reference. Upper-Air Network (GRUAN)
Specifications for a Reference Radiosonde for the GCOS Reference Upper-Air Network (GRUAN) By the Working Group on Atmospheric Reference Observations (WG-ARO) Final Version, October 2008 1. Introduction
More informationSTATUS OF THE WIGOS DEMONSTRATION PROJECTS
STATUS OF THE WIGOS DEMONSTRATION PROJECTS Demonstration Project Morocco Strengthening Moroccan RIC Capacities (Submitted by Rabia Merrouchi, National Meteorological Service of Morocco (DMN)) February
More informationFinal Report August 2010
Bilateral Comparison of 100 pf Capacitance Standards (ongoing BIPM key comparison BIPM.EM-K14.b) between the CMI, Czech Republic and the BIPM, January-July 2009 J. Streit** and N. Fletcher* *Bureau International
More informationTRUTHS-Lite: A Microsatellite Based Climate Benchmark Mission
IAA-B10-0404 TRUTHS-Lite: A Microsatellite Based Climate Benchmark Mission Craig Underwood 1, Nigel Fox 2, Javier Gorroño 2 1 Surrey Space Centre, University of Surrey, Guildford, Surrey, GU2 7XH, UK 2
More informationMeteorological Service
Meteorological Service The Meteorological Service in Oman was established in 1973. Oman joined ICAO in 1973 Oman joined WMO in 1975. Meteorological Service is under the framework of the Directorate General
More informationInfrared ship signature prediction, model validation and sky radiance
Infrared ship signature prediction, model validation and sky radiance Filip Neele * TNO Defence, Security and Safety, The Hague, The Netherlands ABSTRACT The increased interest during the last decade in
More informationCommission for Instruments and Methods of Observation
Commission for Instruments and Methods of Observation Fourteenth session Geneva 7 14 December 2006 Abridged final report with resolutions and recommendations WMO-No. 1019 2007, World Meteorological Organization,
More informationThe SI in 2019: Traceability Questions for SIM A Presentation to Encourage Discussion and Understanding Alan Steele SIM General Assembly Montevideo,
The SI in 2019: Traceability Questions for SIM A Presentation to Encourage Discussion and Understanding Alan Steele SIM General Assembly Montevideo, Uruguay November 2016 Defining the SI Via Fundamental
More informationINTERNATIONAL COMPARISON OF PLATINUM RESISTANCE THERMOMETERS BETWEEN CHILE AND ECUADOR
INTERNATIONAL COMPARISON OF PLATINUM RESISTANCE THERMOMETERS BETWEEN CHILE AND ECUADOR M. Araya 1, D. Almeida 2 1 National Laboratory of Temperature of Chile, LCPNT, Santiago, Chile 2 Ecuadorian Standardization
More informationInfrared Thermometer Calibration A Complete Guide
Infrared Thermometer Calibration A Complete Guide Application note With proper setup and planning, infrared calibrations can be accurate. The steps outlined below should be followed to perform accurate
More informationSUMMARY OF THE BIPM QUANTUM METROLOGY WORKSHOP. CARL WILLIAMS PML DEPUTY DIRECTOR October 19, 2017
SUMMARY OF THE BIPM QUANTUM METROLOGY WORKSHOP CARL WILLIAMS PML DEPUTY DIRECTOR October 19, 2017 Summary: Quantum Revolution in Metrology Workshop held on September 28 29, 2017 at the BIPM in Sèvres 135
More informationTRACEABILITY STRATEGIES FOR THE CALIBRATION OF GEAR AND SPLINE ARTEFACTS
TRACEABILITY STRATEGIES FOR THE CALIBRATION OF GEAR AND SPLINE ARTEFACTS W. Beyer and W. Pahl Physikalisch-Technische Bundesanstalt (PTB) 38116 Braunschweig, Germany Abstract: In accordance with ISO 17025,
More informationINSTRUMENT TEST REPORT 700
INSTRUMENT TEST REPORT 700 Investigation of the accuracy of the Delta-T Devices BF3 Sunshine Sensor Authorisation Paul Dyson Regional Instrument Centre 20 July 2005 John Gorman Supervisor Regional Instrument
More informationStatus of the ACES/PHARAO mission
XLII nd Rencontres de Moriond,, March 2007 «Gravitational Waves and Experimental Gravity» Status of the ACES/PHARAO mission Noël DIMARCQ, SYRTE, Paris Observatory What is ACES : payload, science objectives,
More informationPart 5: Total stations
Provläsningsexemplar / Preview INTERNATIONAL STANDARD ISO 17123-5 Third edition 2018-02 Optics and optical instruments Field procedures for testing geodetic and surveying instruments Part 5: Total stations
More informationCharacterizing the Performance of an Eppley Normal Incident Pyrheliometer
Characterizing the Performance of an Eppley Normal Incident Pyrheliometer Frank Vignola Fuding Lin Department of Physics Department of Chemistry 1274-University of Oregon Eugene, OR 9743-1274 fev@uoregon.edu
More informationNon catchment type instruments for snowfall measurement: General considerations and
Non catchment type instruments for snowfall measurement: General considerations and issues encountered during the WMO CIMO SPICE experiment, and derived recommendations Authors : Yves Alain Roulet (1),
More information5.6. Barrow, Alaska, USA
SECTION 5: QUALITY CONTROL SUMMARY 5.6. Barrow, Alaska, USA The Barrow installation is located on Alaska s North Slope at the edge of the Arctic Ocean in the city of Barrow. The instrument is located in
More informationField experiments at Sodankylä
Field experiments at Sodankylä Rigel Kivi (1), Pauli Heikkinen (1), Petteri Survo (2), Hannu Jauhiainen (2), Huilin Chen (3, 4), Juha Hatakka (1), Tuomas Laurila (1), Rolf Philipona (5), Andreas Kräuchi
More informationS e a s o n a l F o r e c a s t i n g f o r t h e E u r o p e a n e n e r g y s e c t o r
S e a s o n a l F o r e c a s t i n g f o r t h e E u r o p e a n e n e r g y s e c t o r C3S European Climatic Energy Mixes (ECEM) Webinar 18 th Oct 2017 Philip Bett, Met Office Hadley Centre S e a s
More informationSOLAR RADIATION RESOURCE ASSESSMENT IN INDIA CONTEXT
3 SOLAR RADIATION RESOURCE ASSESSMENT IN INDIA CONTEXT India receives good annual radiation despite having several climatic zones. However, the Indian economy is heavily dependent on fossil fuels that
More informationThe Journey from Ω Through 19 Orders of Magnitude
The Journey from 12 906.403 5 Ω Through 19 Orders of Magnitude Presented at: 2013 NCSLI Conference and Symposium Nashville, Tennessee Personalize with title, slogan or I/B/P name in master slide Kai Wendler
More informationThe Sun-Climate Connection What have we learned during this solar minimum? Robert.F.Cahalan
What have we learned during this solar minimum? Robert.F.Cahalan @nasa.gov Head, NASA-Goddard Climate & Radiation Branch 1. 2. 3. 4. Total Solar Irradiance = 1361 Watts-per-(meter)2 Solar Forcing partly
More informationMeasurement & Uncertainty - Concept and its application
Measurement & Uncertainty - Concept and its application June. 20 2012 JongOh Choi (choijongoh@kriss.re.kr) I don t know what I don t know. If we don t express what we know in the form of numbers, we really
More informationH1: Metrological support. Milena Horvat, Polona Vreča, Tea Zuliani, Radojko Jaćimović, Radmila Milačič
H1: Metrological support Milena Horvat, Polona Vreča, Tea Zuliani, Radojko Jaćimović, Radmila Milačič Basic requirement How to ensure appropriate measurements and monitor changes in time and space? Analytical
More informationSwissMetNet: The New Automatic Meteorological Network of Switzerland
SwissMetNet: The New Automatic Meteorological Network of Switzerland Heimo A. 1, Calpini B. 1, Konzelmann T. 2, Suter S. 2 Federal ffice of Meteorology and Climatology MeteoSwiss 1 Aerological Station,
More informationAustralian Considerations for the Year of Polar Prediction
Australian Considerations for the Year of Polar Prediction 2017-2018 Mawson (1954) Davis (1957) Macquarie Is. (1948) Casey (1969) Photos by Christopher Wilkins (AAD) Observations Surface Observations upper
More informationProtocol of the intercomparison at LKO, Arosa, Switzerland on July 21 to 28, 2008 with the travelling reference spectroradiometer QASUME from PMOD/WRC
/09/00 Protocol of the intercomparison at LKO, Arosa, Switzerland on July to, 00 with the travelling reference spectroradiometer QASUME from PMOD/WRC Report prepared by Gregor Hülsen, Julian Gröbner Operator:
More informationCOMPARISON OF GUNN BELLANI RADIOMETER DATA WITH GLOBAL SOLAR RADIATION SENSOR (PYRANOMETER CM6B) Author. Mungai Peter N.
COMPARISON OF GUNN BELLANI RADIOMETER DATA WITH GLOBAL SOLAR RADIATION SENSOR (PYRANOMETER CM6B) Author Mungai Peter N. Kenya Meteorological Department. P.O.Box 30259-00100 GPO Nairobi, Kenya. Phone 254-2-3867880
More information