JohnJ
Topic Author
Posts: 1362
Joined: Tue Jun 27, 2000 5:01 am

Shooting Over Water = Heat Haze?

Wed Jun 07, 2006 11:34 am

I've been editing a group of pictures I took in Boston over the past couple of weeks. The first group was taken at Constitution Beach, where I stood on the beach shooting over water to the taxiway at the beginning of Runway 22R. I was shooting between 6 and 7 p.m., and the low sun was shining weakly behind some high clouds. I was quite surprised to find that all the shots from that session are unusable due to heat haze issues.

A week later I was out at Castle Island, again shooting over water. This time the planes were on approach to Runway 4R, so there was no asphalt or concrete anywhere that could have affected my images. I got some OK shots from that session, but also quite a few with the too-familiar heat hazed ripply pattern along the horizontal lines.

Is this heat haze giving me this grief or the effect of the humidity being pumped up from the water that's interfering with my shots?
 
jetmatt777
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RE: Shooting Over Water = Heat Haze?

Wed Jun 07, 2006 11:43 am

Heat Haze is simply the difference of temperatures between two different altitudes which in fact bends the light to make a reflection or an alusion of wavy air.

You can get heat haze anywhere over anything. Water,Pavement, anything!

Please correct me if i'm wrong.

-Matt  Smile
Lighten up while you still can, don't even try to understand, just find a place to make your stand and take it easy
 
DLKAPA
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Joined: Wed Dec 03, 2003 10:37 am

RE: Shooting Over Water = Heat Haze?

Wed Jun 07, 2006 12:50 pm

Quoting Jetmatt777 (Reply 1):
Heat Haze is simply the difference of temperatures between two different altitudes which in fact bends the light to make a reflection or an alusion of wavy air.

To be specific, as air along a surface heats, it expands and rises. Light is refracted through the changing density of the air, the result is what we call heat haze.
And all at once the crowd begins to sing: Sometimes the hardest thing and the right thing are the same
 
andrewuber
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Joined: Tue Jul 22, 2003 10:45 am

RE: Shooting Over Water = Heat Haze?

Wed Jun 07, 2006 1:32 pm

Also note that the weather does not need to be hot to have heat haze. It occurs in all temperatures. I've had shots severely heat hazed during -20 degree temps!

Drew  cold 
I'd rather shoot BAD_MOTIVE
 
JohnJ
Topic Author
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Joined: Tue Jun 27, 2000 5:01 am

RE: Shooting Over Water = Heat Haze?

Wed Jun 07, 2006 10:09 pm

Thanks for the comments. Yes, I've had the unfortunate event of heat haze in cold weather, too. No fun. I guess for some reason I was under the impression that the condition was most prevalent over pavement. The water in Boston Harbor was probably about 58 degrees F, according to a web site I found. The outside temperature when I was shooting was about 70. That doesn't seem like that much of a temperature difference - is 12 degrees enough to cause heat haze?
 
TransIsland
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Joined: Wed Mar 03, 2004 9:22 pm

RE: Shooting Over Water = Heat Haze?

Wed Jun 07, 2006 10:24 pm

IIRC, in the evening hours you are more prone to heat haze over water than during the day because water retains the day's heat longer than land does.
I'm an aviation expert. I have Sky Juice for breakfast.
 
TS
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Joined: Thu Sep 04, 2003 9:19 pm

RE: Shooting Over Water = Heat Haze?

Wed Jun 07, 2006 10:31 pm

I have the least problems when a stiff breeze is blowing at the airport.

Thomas
Even a broken clock is right twice a day.

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