Presentación realizada en: Brewer Ozone Spectrophotometer/Metrology Open Workshop, celebrado en Ponta Delgada (Sao Miguel, Azores) del 17 al 20 de mayo de 2016

Berjón, Alberto

Carreño Corbella, Virgilio

Hernández Cruz, Bentorey

León-Luis, Sergio F.

López-Solano, Javier

Redondas, Alberto

Rodríguez Valido, M.

English

López Solano, Javier

León-Luis, Sergio Fabián

Rodríguez Valido, Manuel

Agencia Estatal de Meteorología

Javier López-Solano, Bentorey Hernández, Sergio F. León-Luis, Virgilio Carreño, Alberto Berjón, Manuel Rodríguez Valido, and Alberto RedondasRegional Brewer Calibration Center, Izaña Atmospheric Research Center (AEMET), and University of La LagunaBrewer-OMI validation: a brief tutorialwww.aemet.es 2Brewer-OMI tutorialIntroductionData from the EUBREWNET server can be obtained either downloading simple text files or using the so-called “access functions”, the latter being better for use inside codesIn this tutorial, we will show how to download and parse the data from EUBREWNET, and how to compare it to the OMI-OMTO3 product available at the Aura Validation Center (http://avdc.gsfc.nasa.gov) 2016/05/19www.aemet.es 3Getting data files from EUBREWNET’s server   2016/05/19Brewer-OMI tutorial1) Point your web browser tohttp://rbcce.aemet.es/eubrewnetwww.aemet.es 4Getting data files from EUBREWNET’s server   2016/05/19Brewer-OMI tutorial2) To download data, you need to be logged inwww.aemet.es 5Getting data files from EUBREWNET’s server   2016/05/19Brewer-OMI tutorial3) If you don’t have your login information, send an email to    For this workshop, you can useeubrewnet@aemet.eseubrewnet@aemet.esuser:  azorespassword: azoworkuser:  azorespassword: azoworkwww.aemet.es 6Getting data files from EUBREWNET’s server   2016/05/19Brewer-OMI tutorial4) Click on the station  you’re interested inwww.aemet.es 7Getting data files from EUBREWNET’s server   2016/05/19Brewer-OMI tutorial5) Take a look at the description of the Brewer and scroll down...www.aemet.es 8Getting data files from EUBREWNET’s server   2016/05/19Brewer-OMI tutorial5) … until you reach the download selection areawww.aemet.es 9Getting data files from EUBREWNET’s server   2016/05/19Brewer-OMI tutorial6) Select the product, level, and date, and  then  click on  the linkwww.aemet.es 10Getting data files from EUBREWNET’s server   2016/05/19Brewer-OMI tutorial7) A pop-up  with some utilization guidelines will open.After you click on “Accept”, the file download will begin.www.aemet.es 11Getting data files from EUBREWNET’s server   2016/05/19Brewer-OMI tutorial8) The file starts with a very descriptive header...www.aemet.es 12Getting data files from EUBREWNET’s server   2016/05/19Brewer-OMI tutorial8) … and below the header you will find the data in CSV formatwww.aemet.es 13EUBREWNET’s access functions   2016/05/19Brewer-OMI tutorialAccess functions are just web URLs pointing to dataThey are easy to use inside your codeThe simplest syntax ishttp://user:password@rbcce.aemet.es/eubrewnet/data/get/function?brewerid=XXX&date=YYYY-MM-DDwww.aemet.es 14EUBREWNET’s access functions  2016/05/19Brewer-OMI tutorial1) Open the “EUBREWNET wiki” by clicking on “Links”www.aemet.es 15EUBREWNET’s access functions   2016/05/19Brewer-OMI tutorial2) Open the “Access Functions” wiki pagewww.aemet.es 16EUBREWNET’s access functions  2016/05/19Brewer-OMI tutorial2) Scrolling down a bit, you will find a description of the options available to all the access functions...www.aemet.es 17EUBREWNET’s access functions   2016/05/19Brewer-OMI tutorial2) … and below it, you will find a list of all the access functions currently availablewww.aemet.es 18EUBREWNET’s access functions   2016/05/19Brewer-OMI tutorial3) For example, to download the Level 1.5 ozone for Brewer #185 and day 2015-06-01 you just have to use the URLhttp://azores:azowork@rbcce.aemet.es/eubrewnet/data/get/O3L1_5?brewerid=185&date=2015-06-01www.aemet.es 19EUBREWNET’s access functions   2016/05/19Brewer-OMI tutorial4) The access functions’ URLs do work from within any web browser, but you usually need to be logged in EUBREWNET’s serverThe default output is a JSON string...  www.aemet.es 20EUBREWNET’s access functions   2016/05/19Brewer-OMI tutorial4) … but to get a text output you just have to add to the URL&format=text www.aemet.es 21EUBREWNET’s access functions   2016/05/19Brewer-OMI tutorial4) … and to get the data between 2015-06-01 and 2015-06-02, also add &enddate=2015-06-02www.aemet.es 22EUBREWNET & MATLAB   2016/05/19Brewer-OMI tutorialCode examples from the next slides are available athttp://rbcce.aemet.es/svn/azores/brewer-omi/www.aemet.es 23EUBREWNET & MATLAB   2016/05/19Brewer-OMI tutorialGenerating the URL of the access functionazores2016_o3l15.mazores2016_o3l15.mwww.aemet.es 24EUBREWNET & MATLAB   2016/05/19Brewer-OMI tutorialDownloading the dataazores2016_o3l15.mazores2016_o3l15.mwww.aemet.es 25EUBREWNET & MATLAB   2016/05/19Brewer-OMI tutorialParsing the dataazores2016_o3l15.mazores2016_o3l15.mwww.aemet.es 26EUBREWNET & MATLAB   2016/05/19Brewer-OMI tutorialPlotting the ozoneazores2016_o3l15.mazores2016_o3l15.mwww.aemet.es 27AVDC & MATLAB   2016/05/19Brewer-OMI tutorialDownloading the OMTO3 Level 2 overpass dataazores2016_omto3.mazores2016_omto3.mwww.aemet.es 28AVDC & MATLAB   2016/05/19Brewer-OMI tutorialParsing and selecting the dataazores2016_omto3.mazores2016_omto3.mwww.aemet.es 29AVDC & MATLAB   2016/05/19Brewer-OMI tutorialPlotting the OMTO3 product for Izañaazores2016_omto3.mazores2016_omto3.mwww.aemet.es 30EUBREWNET’s L1.5 vs OMI’s OMTO3 L2   2016/05/19Brewer-OMI tutorialazores2016_o3l15_vs_omto3.mgetBrewer.mgetOmto3.mplotOzone.msyncBrewerOmto3.mazores2016_o3l15_vs_omto3.mgetBrewer.mgetOmto3.mplotOzone.msyncBrewerOmto3.mwww.aemet.es 31EUBREWNET’s L1.5 vs OMI’s OMTO3 L2   2016/05/19Brewer-OMI tutorialazores2016_o3l15_vs_omto3.mazores2016_o3l15_vs_omto3.mwww.aemet.es 32Closing remarksIf you don’t have login information, contact eubrewnet@aemet.esYou can manually download EUBREWNET’s data in files or using the access functionsEUBREWNET’s access functions will work nicely inside your codeIf you already have a code to read data from the AVDC, AERONET, … you can mostly reuse it for EUBREWNET2016/05/19Brewer-OMI tutorial

Brewer-OMI validation: a brief tutorial

https://repositorio.aemet.es/bitstream/20.500.11765/11642/1/02_satellite_matlab_azores.pdf

Brewer-OMI validation: a brief tutorial

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