def get_dataset_fields(datasetdescr):
    """
    splits the dataset type descriptor and provides each individual member

    Parameters
    ----------
    datasetdescr : str
        dataset type. Format : [processing level]:[dataset type]

    Returns
    -------
    proclevel : str
        dataset processing level

    dataset : str
        dataset type, i.e. dBZ, ZDR, ISO0, ...

    """
    descrfields = datasetdescr.split(':')
    if len(descrfields) == 1:
        proclevel = 'l00'
        dataset = descrfields[0]
    else:
        proclevel = descrfields[0]
        dataset = descrfields[1]
        if len(proclevel) == 2:
            proclevel = proclevel[0]+'0'+proclevel[1]

    return proclevel, dataset