def _wind_height_adjust(uz, zw):
    """Wind speed at 2 m height based on full logarithmic profile (Eq. 33)

    Parameters
    ----------
    uz : ee.Image or ee.Number
        Wind speed at measurement height [m s-1].
    zw : ee.Image or ee.Number
        Wind measurement height [m].

    Returns
    -------
    ee.Image or ee.Number
        Wind speed at 2 m height [m s-1].

    Notes
    -----
    u2 = uz * 4.87 / log(67.8 * zw - 5.42)

    """
    return uz.multiply(4.87).divide(zw.multiply(67.8).subtract(5.42).log())