You're a visionary mob
I WOULD like to express heartfelt congratulations to the people of Dora Creek, Bonnells Bay and Morisset for their response to the story in the Lakes Mail, dated February 20, about Morisset Lions starting a used spectacles drive.
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I was overwhelmed by the sight of collection trays at our pharmacy collection points. The sight of the overflowing trays was a surprise and filled me with gratitude for the customers who had responded to our appeal. The look on the faces of the pharmacy assistants was also amazing.
The collection has enabled me to pack and dispatch 280 pairs of glasses to be recycled through our recycle centre in Brisbane. I've also started another box in readiness for another shipment.
Our motto is "We serve ". We could not do this without the support of the public.
I would also like to thank the people from Toronto who also contacted me and would like to advise them that Toronto Lions Club do have collection points at local optometrists and the library for the collection of recycled spectacles. If you are not able to find these collection points please contact me with permission to forward your particulars to Toronto Lions Club so they can contact you.
Thank you, again, for your support and hope you will continue to support our projects and keep recycling your unused spectacles for the needy of our society. If you feel you would like to participate in this type of activity and help our society, why not contact your local Lions club and see how you can be a help?
I would also like to thank our pharmacists for their participation in our project.
- Rod Garrett, Morisset Lions Club
Oblivious to warnings
THE shared pathway around Speers Point and Warners Bay is congested and one is unable to maintain current social distancing guidelines. Given the coronavirus pandemic, one would ask why it isn't closed? Since beaches were closed, more and more people have been heading to the lake and park areas. But they are ignoring government warnings and not adhering to social distancing rules as crowds gather along the waterfront including families with babies in strollers, and children and parents on bikes and scooters, as if it's another normal weekend. They seem oblivious to the warnings to stay home and come out for essentials only.
- Denice Tarasenko, Warners Bay
Pressure on the lake
GRAHAM Boyd ("Climate change is insidious", Lakes Mail, March 26) says that the waters in Lake Macquarie "fluctuate according to moon phases not tidal flows". High and low tides are generated by the movement of the moon around the earth (lunar tides) in all but two places in Australia. Lake Macquarie experiences barometric tides, as does Macquarie Harbour on the western side of Tasmania. Both are large bodies of water, relatively shallow, connected to the sea by narrow channels. The regular tides have a 5 per cent to 7 per cent effect on the movement of water in and out at Swansea channel, not enough for observable change of water level on the western side of the lake.
When there is a high pressure cell over the area, the weight of the column of air above the lake exerts a downward pressure on the lake, greatest at the centre of the lake. The water displaced moves to the lake shores and up the lake's tributaries. The increase in the depth of water is more noticeable in the smaller tributaries such as Stoney Creek. The lake's level can remain in the same position for days if the air pressure remains the same for days.
The reverse happens when a low pressure cell is over the lake, less pressure on the centre of the lake, and the depth of the centre of the lake increases, mostly from water draining back out of the tributaries. Near Toronto High School the difference between the lowest water mark and the highest is about 40cm.
- Wendy Davidson, Toronto