def METHOD_NAME():
    nx, ny = 36, 18
    xbnds = np.linspace(0, 360, nx, endpoint=True)
    ybnds = np.linspace(-90, 90, ny, endpoint=True)
    x, y = np.meshgrid(xbnds, ybnds)
    data = np.exp(np.sin(np.deg2rad(x)) + np.cos(np.deg2rad(y)))
    data = data[:-1, :-1]
    ax = plt.subplot(2, 1, 1, projection=ccrs.Robinson())
    ax.pcolormesh(xbnds, ybnds, data, transform=ccrs.PlateCarree())
    buf = io.BytesIO()
    plt.savefig(buf, format='png', bbox_inches='tight')