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#waterlevel

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Public
💧🌏 Greg Cocks

What Exactly Is The [NOAA] Sea Level Calculator And Why Would You Want To Use It?
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coast.noaa.gov/digitalcoast/to <-- link to tool
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“It allows you to:
👉 Understand sea level change scenarios and visualize potential impacts on a map
👉 Explore water level and flood frequency trends
👉 See the top 10 flood events for your location
👉 Determine what time of the year your community is most likely to experience a flood..”

@NOAA

Public
Bobbing Boat

Boating today was very slow going, but lovely and sunny.

With the canal water so low – some say it's down a half foot or more – there's so little water under the boat, the drag is substantial.

On the way there was a cute boathouse, with a brick arch that echoes the arch of traditional canal bridges and aqueducts. Not sure why they need gunholes, though. 😅

A brick boathouse with a rolling door that opens onto the canal. The doorway is a classic Roman arch. On either side of the door is a tall vertical slit, traditionally called a crenel, or crenelle, or embrasure, or gunhole—for sticking out a rifle barrel. The canal water has aquatic plants growing in it. Beside the boathouse are dark green, leafy trees.
#CanalLife#canal#arch
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Norobiik @Norobiik@noc.social

They won't have a choice once that limit is reached 😞
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The #WaterLevel of #LaMesaDam is nearing spilling level amid the #HeavyRains brought about by #TyphoonCarina and #Habagat, state weather bureau #PAGASA said Wednesday.

In an advisory, PAGASA said that as of 11:50 a.m. the water level of La Mesa Dam stood at 79.41 meters — near its #SpillingLevel of 80.15 meters. #CarinaPH

La Mesa Dam nears spilling level amid rains —PAGASA
gmanetwork.com/news/topstories

GMA News Online · La Mesa Dam nears spilling level amid rains —PAGASAThe water level of La Mesa Dam is nearing spilling level amid the heavy rains brought about by Typhoon Carina and Habagat, state weather bureau PAGASA said Wednesday.
Public
Bobbing Boat

The canal's water level has dropped further, but I hear via towpath gossip that the breach has been dammed.

I still see water slowly flowing in that direction. It's not just duckweed blowing that way in the wind. Deeper particles show all the water is flowing.

Judging from the vegetation, the water is just over 6 in. or 16 cm below usual. (See the photo's ALT description for details.)

A photo of trench sheeting or piling at the canal bank has aquatic vegetation growing on it. The photo is annotated with horizontal lines, where the vegetation changes. The lines indicate the high water level, and usual water level. The third line is the current water level. The three lines show: • light green algae: high level. • dark green algae: usual level. • current water level.
#CanalLife#canal#water
Public
chris@strafpla.net

I’m currently thinking about contraptions to measure water levels. I have 4 (Reed-)contacts and as many magnets as I like, though less may be better.
I think it should be possible to tell 2^4 water levels from each other.
I’m currently considering a system of 2 - 4 floaters that each close their contact(s) on multiple, different heights by moving their own rod with magnets attached up and down.
Any other, more compact ideas?
#hydroponics #riddle #waterlevel

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Bobbing Boat

The water level in the canal dropped a bit overnight. I realised this when I noticed the boat was listing away from the bank, and only rocking along one axis instead of the usual three.

Closest to the bank, the bottom of the boat was touching ground, underwater.

My neighbour helped me refloat, pushing out the boat while I leaned and swung on the far gunnel to make the boat lift clear of the underwater ground.

#CanalLife#canal#WaterLevel
Public
🇳🇿 :tinoflag: 💉*8 Roger

Been revisiting my #WaterLevel sensor. We get our water off our roof and store it in a tank. This tells me how full the tank is. The lower board is an ESP32 which can talk #wifi to the server in my house. The upper board connects to an #ultrasonic sensor which pings the top of the water and listens for the echo. The sensor connects to the white plug. The wifi signal struggles to reach the house, but I replaced the old ESP32 with this one which has an external antenna (bottom).

Two printed circuit boards connected by several wires. One has an antenna connected to it as well.
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