Seeing the sea from Leeds.

Bunkers, shelters and other buildings
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Leodian
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Seeing the sea from Leeds.

Postby Leodian » Sat 25 Feb, 2017 9:33 pm

In a brief article headed 'Leeds needs to reach for the skies' on page 6 of the Yorkshire Evening Post today (Feb 25 2017) it states "The city does have tall buildings but to put it truly on the map, it needs a skyscraper big enough so the people at the top can see the sea". That makes me wonder how tall such a building would need to be. I probably should be able to work it out but perhaps more mathematically-minded people than me can provide at least a reasonable answer.

An old Secret Leeds thread titled 'What is the furthest point North visible from Leeds, and where from?' is somewhat related http://secretleeds.com/viewtopic.php?f=29&t=4329&start=30
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buffaloskinner
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Re: Seeing the sea from Leeds.

Postby buffaloskinner » Sat 25 Feb, 2017 10:35 pm

With rising sea levels due to global warming, in a few hundred years or so and it will probably be outside your front door
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Brunel
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Re: Seeing the sea from Leeds.

Postby Brunel » Sat 25 Feb, 2017 11:08 pm

You don't need maths in theory, just a height profile. It is approx 100K due east or west to the coast. If the height above sea level is known along that direct straight line, then a building with a height that is higher, plus a very good telescope should suffice.

All well and good in theory BUT this does not take into account the curvature of the Earth, this makes it a lot harder to calculate.

I cheated and looked it up. To see 100Kms you would need to look from a height of ....1000 mtrs. 1Km. ( all as near as sod 'n dammit)
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Leodian
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Re: Seeing the sea from Leeds.

Postby Leodian » Sat 25 Feb, 2017 11:21 pm

Cheers buffalsoskinner and Brunel.

Your "With rising sea levels due to global warming, in a few hundred years or so and it will probably be outside your front door" made me :) buffaloskinner.

Thanks for your help Brunel. At about 1,000m (1 km) or so it would make Bridgewater Place seem tiny! Heaven knows though what wind tunnel effects it would have ;).
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jonleeds
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Re: Seeing the sea from Leeds.

Postby jonleeds » Sun 26 Feb, 2017 4:53 am

I;ve heard you can see the North Sea from the top of Emley Moor mast which I can quite believe. Also the curvature of the earth isnt so great as to obscure the coastline from a mere 60-70 miles away. I've often heard it said that certain high points in Yorkshire / England are the highest points above sea level until you reach the Ural mountain heading east... An often quoted line seemingly used by unscrupulous landlords / estate agents to somehow glamourise the 30th storey flat of Cottingley Heights as being vertically superior somehow..
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warringtonrhino
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Re: Seeing the sea from Leeds.

Postby warringtonrhino » Sun 26 Feb, 2017 11:08 am

I have just done a CAD model of the problem and concluded that looking west over the 300m pennines you would need to be 911,027 meters above the high point at Headingley
and 896,546 meters above the same point to see the sea looking east over the E Yorkshire Wolds
I have not allowed for low cloud :D
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tilly
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Re: Seeing the sea from Leeds.

Postby tilly » Sun 26 Feb, 2017 12:43 pm

From the playing fields at Fulneck School you can see beyond Drax Power Station on a clear day. I would have thought it would not have needed a massively high building to see the sea from this spot i cant think of any high ground beyond Drax looking towards Hull or am i way out in my thinking.?
No matter were i end my days im an Hunslet lad with Hunslet ways.
warringtonrhino
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Re: Seeing the sea from Leeds.

Postby warringtonrhino » Sun 26 Feb, 2017 1:54 pm

Fulneck playing fields are 150metres above sea level. Drax is approx 30 miles from Fulneck, and the bottom of the towers are 4 meters above sea level,you can only see the top half of them. Drax is 50 miles from the coast at Spurn Point. Beyond Drax are the South Wolds which are 60 meters high with a gap at Hull, The gap restricts the view beyond to the Spurn Point area of the coast. Through that gap you would ,if high enough see the wind farm on the coast at Easington. which is 20meters above sea level. In my opinion you would need to be 900,000 metres above the ground at Fulneck to see the North Sea.

jma
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Re: Seeing the sea from Leeds.

Postby jma » Sun 26 Feb, 2017 2:06 pm

I've never been up the Emley Moor mast but there's sometimes a cracking view to the East from the bottom. I say "sometimes" because there's often so much haze from motorway traffic emissions that the view is blocked. It's only a good view when it's been really windy. Perhaps you'd see over all that from a viewpoint 10 miles or whatever above Fulneck.

This problem seems to be growing. A couple of years ago we went to see one of our sons working at the other side of Bristol. We stayed in a hotel which had previously been a mansion built by some Victorian industrialist on a hill with what must have once been a beautiful view across the Bristol Channel. When we were there, it was blocked by the haze over the M5.
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tilly
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Re: Seeing the sea from Leeds.

Postby tilly » Sun 26 Feb, 2017 2:18 pm

Hi warringtonrhino i bow to your knowledge 900.000 metres seems a long way up.
No matter were i end my days im an Hunslet lad with Hunslet ways.

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