The Splendor & Awe of NCC14

The Splendor & Awe of NCC14 - an Australian Pacific Tour of New Zealand

featuring digital images by ThomasDigitalPics.com Copyright ©2005 -  

                   


Waikato River & Huka Falls

                                     


      On Friday, March 4, 2005, our APT tour left the wonderment of Rotorua and headed in the direction of Wellington.  Along the way, a stop was made to view the powerful flow of the Waikato River and the spill of its water over Huka Falls.

                 

      At left is the foot bridge from the parking area that spans over the Waikato River.

                 

      The overlook from which the photograph at left was taken is shown below.

                          


                 


      In the upper right corner of the photograph at right, the Waikato River overlook from which the above photograph was taken is occupied by about a half dozen people.

                        


               


      The waters of the Waikato River flow downstream toward Huka Falls with increased velocity.

                  


                 

      As shown at right (verbatim):

           

             

Waikato River

                          

The Waikato River system is the most highly developed for electricity generation in New Zealand.  It supplies eight hydro-electric stations and provides cooling water for two geothermal and one thermal station.

                     

The eleven stations on the Waikato produce 65% of the North Island's power generation and approximately 25% of New Zealand's hydro power.  This is 15% of New Zealand's total power.

                     

The level of the Waikato River above                

Huka Falls is controlled by the Lake Taupo control gates bridge on State Highway 1.  Installed in the 1940s they allow the use of large volumes of water stored in Lake Taupo for power generation.

              

Between 8 am and 8 pm the river flows are normally increased to meet the high electricity demand during the day and early evening.  Overnight the flow drops as the normal demand for electricity reduces.

                     

The average daily flow over Huka Falls is 160 cubic metres per second.

                     

Upstream you can see where the river, 100 metres wide and 4 metres deep is forced into a channel 15 metres wide and 10 metres deep.

                

      Above and at left is Huka Falls.  The sign in the image at left reads as follows (verbatim):

 

Huka Falls

                          

The unique blue colour of the water is due to the very clear water reflecting blue light.  The air bubbles in the water intensify the blue colour.

                          

The water temperature varies from between 22șC in the summer to 10.5șC in the winter.

                          

The volume of water passing over the falls varies between 32 and 270 cubic metres per second.  Depending on the flow, the falls fluctuate in height from 7 to 9.5 metres.

                          

During the 1930s a small hydro-electric power station was constructed just below the falls.  It supplied power to the Wairakei Hotel until the mid 1950s when it was replaced by the municipal electricity supply.

                          

At the base of the falls there is a dangerous undertow caused by the falling water plunging deep into the pool.

                           

            


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