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Would be lovely to have one of this at my workplace, which is a university (for educational purpose)

Great explanation.

Chuck guard?

Good teacher

What a beautiful landscape.

Impressive how little erosion there was with such intense rain. Either it soaked in rapidly or the surface handled large short-term flows without erosion. Next time go out in the middle of the storm and have a look ;)

Does this suggest limited infiltration rate and impermeable layers or the groundwater is recharged up to that elevation (well above the creek)? It's only coming out in certain places, not everywhere.

Mostly large branches rather than full trees? If so, maybe not harmful to the trees or even helpful to get some pruning? Even without leaves they catch wind, but much more damage if they had leaves. Smart trees.

In this spongy hillslope I would expect high infiltration and reemergence of what I would call delayed baseflow - calling it "groundwater" this high in the topography is bit of a stretch in my opinion. Are there wells high up on the ridge? In any case, this is very beautiful and interesting documentation of a massive rainfall event.

Thanks Doc., your brief presentation is quite interesting and I think I would like to collaborate with you

Dude, your style is tremendous.

Never never never wear gloves when using a lathe. Take off your rings, watch, jewelry, and do not use the lathe while wearing long sleeves.

I'm Civil Engineering student from Brazil and very interested in soil behavior. I'm delighted with these lectures. You are amazing, thanks!

You are obviously showing this to a class. OMG I recall being in those classes and I remember listening and the then the information went in one ear and out the other. I can remember thinking yeah yeah get on with it. I'm now 67 and have my own mill etc and what you are saying is so so important but frankly I learnt it the hard way. Oh how frustrating it must be to be a teacher

Good job except = never wear gloves while using the lathe, drill press etc.

Very usefull for GSCE Engineering when the video set doesn't work.

Very cool! I guess this also transports heat upward, which would make the soil with water act something like a material with higher thermal conductivity, leading to an inflection of thermal gradient between liquid and dry zones. And given exponential behavior of vapor capacity, temperature shouldn't be quite linear in the liquid water zone.

Very nice

Great

thank you very much Dr. Selker

awesome presentation design

Thanks sir for your lecture, you have given a very simplest understanding of soil

interesting ! communal song ! Please add details ! This is great !

Great system and video. You are both unstoppable!

Bless your heart Laurie, you are serving as guide for others in your situation. Get well, you will be"vertical" soon!

Very Very good delivery , i understood quite well

Great videos I hope more people find these safety videos - will make more people comfortable to try machining

You just made this very easy to understand, thank you very much sir!

Why so few views?

So 500 ml/12 minutes means 2.5l/hr over 78 cm^2. so that is a 320 mm/hr rainfall rate (about 1/3 meter per hour, which is just over 12 inches per hour).