A few times per year, coastal communities around the world
get record high and low tides, when the gravitational forces of the sun and
the moon add up and pull the world's oceans up to record levels. In Yung
Shue Wan on Lamma Island, the difference in water levels can go up to 2.5
metres. It's one of the few times of the year when the old jetty, the
ancient fisherman's pier, will be underwater for just about half an hour.
To find out when these weather extremes will happen next,
check out the HK Obervatory's Predicted
Tides page (up to Dec 2008). I have to admit to be quite fascinated
by how Yung Shue Wan harbour changes during these extremes. See the most
recent maximum high tide below, from July 13. Global warming will make the
oceans rise significantly over the next decades. YSW will be one of the
first communities to notice this side effect of global warming.
Photos (including a 360-degree panorama) from the visually
very dramatic low tide will follow soon.
By the way, there's a serious
mistake in the panorama above! It happened unintentionally, when
the panorama program stitched together the 8 individual photos above. I
noticed it too late and couldn't be bothered to re-stitch the entire
The first person to
email me with the mistake, wins $100 in
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January 04, 2010 10:28 AM