Very interesting link Burger. I've been looking for something like that. I've never accurately measured it but I can tell you from general observation that DIED's pond and my pond can definately drop an several inches in a week due to evaporation, probably more. DIED would be able to provide a more accurate number I'm sure. Both my pond and DIED's have dropped 6-7 verticle feet in a year, last year my guess would have been closer to 8 feet. So evaporation, depending upon where you live, can play a major role in pond shrinkage.


JHAP
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"My mind is a raging torrent, flooded with rivulets of thought cascading into a waterfall of creative alternatives."
...Hedley Lamarr (that's Hedley not Hedy)