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Jun 2016
7:31pm, 2 Jun 2016
7,411 posts
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Badger
It's not a unit I've ever used or thought about before today, but I'd speculate that: it is slightly more real-world, in that it is what happens to your average chunk of ground in the course of the rain; generally, the only way that you can directly measure the depth is with a rain gauge, as on real ground the water will soak in or flow away. Consequently, if you are trying to compute the water handling of a drainage system, or a tank for catching rainwater for a greywater system, knowing l/m^2 for typical weather and the surface area you're dealing with gives the answer directly, where the depth is a bit more abstract.
Or, for the likes of you and me, how many litres of water you will need to wring out of your clothes after a cycle/run/walk.
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Jun 2016
8:11pm, 2 Jun 2016
13,231 posts
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ChrisHB
Interesting - it makes sense if you're building drains. I fancy I can imagine the effect of 25.4 mm falling in an hour, but because the ground absorbs or slopes, I can't really.
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Jun 2016
8:39pm, 2 Jun 2016
896 posts
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Eynsham Red
I'm in Donauworth in Bavaria for a four weeks. The first time that I've been to Germany for any length of time. The place is lovely and everything seems really tidy and clean, except.................................
I've seen more dog shit on the pavements in four days here than I've seen in probably twenty or more years back home!
It's not as if there are dogs running around unleashed doing as they please! Just pick it up owners!
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Jun 2016
7:54am, 3 Jun 2016
12,099 posts
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Wriggling Snake
It can't beat Rome, I saw more of that in Rome than anywhere else, EVER.
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Jun 2016
8:47am, 3 Jun 2016
33,881 posts
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Velociraptor
Being expected to acknowledge the existence of "pre-diabetes".
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Jun 2016
8:52am, 3 Jun 2016
14,219 posts
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The Teaboy
Pre-diabetes. Is that a disease that causes people to shovel as much sugar into their faces as possible as fast as they can? Poor victims...
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Jun 2016
8:53am, 3 Jun 2016
14,220 posts
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The Teaboy
People who are incapable of accelerating away from junctions and roundabouts, who don't accelerate up to speed to come onto motorways and dual carriageways and in doing so create all manner of dangerous and entirely avoidable mayhem because they are completely unaware of how their actions (or lack of action) impacts everyone behind them.
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Jun 2016
8:56am, 3 Jun 2016
33,882 posts
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Velociraptor
No, it's a big stinking barrel of red herrings on which my practice nurse is expected to waste her time. Rather like the delightful "Stage 0 COPD", which means that you don't have COPD by any of the diagnostic criteria but you sometimes cough or get short of breath.
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Jun 2016
9:49am, 3 Jun 2016
39,193 posts
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swittle
People who drive too fast.
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Jun 2016
10:16am, 3 Jun 2016
14,221 posts
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The Teaboy
People who drive too slow - there's a happy medium in there...
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Mundane thread
May 2025