<?xml version="1.0" encoding="UTF-8"?>
<netcdf xmlns="http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2">

  <aggregation dimName="time" type="joinNew">
    <variableAgg name="T"/>
    <netcdf location="time0.nc" coordValue="0"/>
    <netcdf location="time1.nc" coordValue="10"/>
    <netcdf location="time2.nc" coordValue="99"/>
  </aggregation>

</netcdf>
