As for tidal power, developers in the promising Cook Inlet must contend with glacial silt scouring turbines and partial freezing of the water in wintertime, says Mr Lockard.

• 在潮汐能开发方面，洛克德称，库克湾的开发商们必须要应对冰川中的泥沙对涡轮机的刮蹭，以及严冬时期海水的微冻。