UERRA Visualization KNMI UERRA GA 2016, TOULOUSE, FR ADAGUC WEB-BASED VISUALIZATION ELSE VAN DEN BESSELAAR / MAARTEN PLIEGER KNMI R&D

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1 UERRA Visualization KNMI UERRA GA 2016, TOULOUSE, FR ADAGUC WEB-BASED VISUALIZATION ELSE VAN DEN BESSELAAR / MAARTEN PLIEGER KNMI R&D

2 Visualization - Web Map Services - ESGF Meteorological and climatological data ADAGUC WMS and WCS Combine data Data Formats and Styling ESGF Climate4Impact UERRA

3 Satellite, radar, model & observation Observations Observations Every Every minutes minutes Precipitation Precipitation Active Active radar radar Harmonie Harmonie Weather Weather model model Suomi Suomi NPP NPP Polar Polar Satellite Satellite Meteosat Meteosat Geostationary Geostationary satellite satellite

4 Tools for mapping ADAGUC ADAGUC ADAGUC KNMI KNMI development development since since Serves Serves OPeNDAP, OPeNDAP, WMS WMS and and WCS WCS Server Server (C++) (C++) and and Viewer Viewer (JS) (JS) discoupled discoupled using using WMS WMS standard standard Data Data in in NetCDF NetCDF format format AutoWMS AutoWMS mode mode Automatic Automatic reading reading of of new new data data Combines Combines multiple multiple sources sources into into aa single single WMS WMS layer layer Precipitation Precipitation radar radar is is publicly publicly available available as as WMS, WMS, data data since since 2009, 2009, new new data data each each 55 minutes, minutes, ~70000 ~70000 timesteps, timesteps, fast! fast! (open source + wiki)

5 Web Map Services From data to image + NetCDF Data (big, 5.5Gb) PNG images (small, 180Kb) Combined geographically

6 Web Coverage Services for data Download Download what what you you see see Convert Convert to to ASCII, ASCII, Geotiff Geotiff Reproject Reproject and and subset subset Use Use WCS WCS directly directly in in your your script! script! R R Python Python Matlab Matlab Supports Supports time, time, elevation, elevation, WCS WCS client client in in viewer viewer

7 Combine different sources Share research results Share data via internal network Web Map Services on all workstations Experiment with data without interfering operational systems Precipitation radar Every 5 minutes Observations Every 10 minutes

8 Data : structured grids Structured Structured grids grids -- Model/satellite/radar Model/satellite/radar Lat/lon Lat/lon and and projected projected data data Regular Regular grids grids

9 Data : Georeferenced Pictures True True color color data data (RGBA) (RGBA) Background Background maps, maps, meteorological meteorological maps, maps, composites, composites, 44 channels, channels, red, red, green, green, blue blue and and alpha alpha 88 bits bits per per channel channel == 32bits 32bits pp pp

10 Data : Point measurements / observations Point Point data data // timeseries timeseries Measurements Measurements from from automated automated weather weather stations, stations, timeseries timeseries Seismological Seismological measurements measurements

11 Data : Curvilinear data Curvilinear Curvilinear data data Models Models Fluid Fluid mechanics mechanics Quads Quads are are linked linked with with irregular irregular shape shape and and size size

12 Data : Unstructed grids UGRID Unstructured Unstructured grids grids according according the the UGRID UGRID convention convention Land Land boundaries, boundaries, river river catchments, catchments, masks, masks, Data Data stored stored as as mesh: mesh: lines lines and and polygons polygons

13 Nearest neighbor, bilinear and contour Nearest Nearest neighbour neighbour Bilinear Bilinear Shading Shading ++ Contours Contours

14 Earth System Grid Federation CMCC DKRZ CEA LASG IPSL FIO NTNU UVIC E-ENIS NOAA BADC PCMDI NCI U-Tokyo NASA DKRZ BADC PCMDI CNRM NCI BCCCSM Climate4Impact UCAR TSINGHUA Robust Robust and and distributed distributed Global Climate Global Climate Model Model Data Data (CMIP5) (CMIP5) Regional Climate Model Data Regional Climate Model Data (CORDEX) (CORDEX) ~3 ~3 Petabyte Petabyte of of data data Search Search API API OpenDAP OpenDAP data data access access THREDDS Catalogs THREDDS Catalogs Climate4impact Climate4impact builds builds on on and and contributes contributes to to this this global global infrastructure infrastructure is installing a data node KNMI KNMI is installing a data node for for UERRA UERRA

15 Platform Platform for for impact impact researchers researchers to to explore explore climate climate data data and and perform perform analysis analysis Searches Searches ESGF ESGF using using search search API API Visualizes Visualizes ESGF ESGF data data using using OpenDAP OpenDAP Uses Uses ADAGUC ADAGUC WMS WMS visualization visualization Perform Perform calculations calculations Climate Climate indices indices calculation, calculation, data data reduction reduction Personal Personal store store for for processing processing outcomes outcomes Upload Upload and and store store your your own own data data

16 For UERRA datasets KNMI KNMI can can help help setting setting up up visualization visualization services services Serve Serve your your data data via via OpenDAP OpenDAP Install Install THREDDS THREDDS Install Install ADAGUC ADAGUC server server at at institute institute Make Make your your data data available available through through ESGF ESGF fixed fixed data data format format and and conform conform to to strict strict standard standard KNMI KNMI is is installing installing an an ESGF ESGF data data node node for for UERRA UERRA Climate4Impact Climate4Impact uses uses ESGF ESGF Available Available June June Visualizes Visualizes OpenDAP OpenDAP resources resources and and WMS WMS services services Automatic Automatic WMS WMS on on files files is is available available

17 Thanks for listening!!! For any questions: Else Else van van den den Besselaar: Besselaar: Maarten Maarten Plieger: Plieger:

19 Data format: NetCDF-CF NetCDF4 NetCDF4 with with Climate Climate and and Forecast Forecast conventions conventions Standard Standard names names and and units units Identify Identify and and compare compare Dimensions, Dimensions, variables variables and and attributes attributes

20 Drill down search results using available filters

21 OpenDAP Web Map Automatic visualization of remote data Go to Data discovery / Explore your own catalogs or files File Metadata ADAGUC viewer WMS

Open Source Visualisation with ADAGUC Web Map Services

Open Source Visualisation with ADAGUC Web Map Services Maarten Plieger Ernst de Vreede John van de Vegte, Wim Som de Cerff, Raymond Sluiter, Ian van der Neut, Jan Willem Noteboom 1 ADAGUC project Cooperative