code: public double getLinkChezi( double coefficient, double exponent ) {
          double chezi = coefficient * Math.pow(getLinkSlope(), exponent);
          return chezi;
      }
docs: /* (non-Javadoc)
  @see org.hortonmachine.hmachine.modules.hydrogeomorphology.adige.core.IHillSlope#getLinkChezi(double, double)