def get_cdo_remap_cmd(method): 
    """Define available interpolation methods in CDO."""
    # REMAPDIS - IDW using the 4 nearest neighbors   
    d = {'nearest_neighbors': 'remapnn',
         'idw': 'remapdis',
         'bilinear': 'remapbil',
         'bicubic': 'remapbic', 
         'conservative': 'remapycon',    
         'conservative_SCRIP': 'remapcon',      
         'conservative2': 'remapycon2',     
         'largest_area_fraction': 'remaplaf'} 
    return d[method]