<?xml version="1.0" encoding="UTF-8"?>
    <thredds:catalog xmlns:thredds="http://www.unidata.ucar.edu/namespaces/thredds/InvCatalog/v1.0"
                 xmlns:xlink="http://www.w3.org/1999/xlink"
                 xmlns:bes="http://xml.opendap.org/ns/bes/1.0#">
   <thredds:service name="dap" serviceType="OPeNDAP" base="/opendap/hyrax"/>
   <thredds:service name="file" serviceType="HTTPServer" base="/opendap/hyrax"/>
  <thredds:service name="WCS-coads" serviceType="WCS" base="/opendap/wcs"/>

        <thredds:dataset name="/Paper_on_boundaries/Satellites_images"
                    ID="/opendap/hyrax/Paper_on_boundaries/Satellites_images/">
            <thredds:catalogRef name="Cmems ice concentration" xlink:href="Cmems ice concentration/catalog.xml"
                          xlink:title="Cmems ice concentration"
                          xlink:type="simple"
                          ID="/opendap/hyrax/Paper_on_boundaries/Satellites_images/Cmems ice concentration/"/>
            <thredds:catalogRef name="ice and snow thickness Cryosat2 AWI"
                          xlink:href="ice and snow thickness Cryosat2 AWI/catalog.xml"
                          xlink:title="ice and snow thickness Cryosat2 AWI"
                          xlink:type="simple"
                          ID="/opendap/hyrax/Paper_on_boundaries/Satellites_images/ice and snow thickness Cryosat2 AWI/"/>
            <thredds:catalogRef name="ice and snow thickness Cryosat2-SMOS AWI"
                          xlink:href="ice and snow thickness Cryosat2-SMOS AWI/catalog.xml"
                          xlink:title="ice and snow thickness Cryosat2-SMOS AWI"
                          xlink:type="simple"
                          ID="/opendap/hyrax/Paper_on_boundaries/Satellites_images/ice and snow thickness Cryosat2-SMOS AWI/"/>
        </thredds:dataset>
    </thredds:catalog>
