Talk:Dasht-e Lut

"Abiotic" doesn't seem to work in the right context in this article. --24.46.164.83 03:23, 14 August 2007 (UTC)

A couple points of clarification?

The article makes different statements about heat, and it's somewhat difficult to tell how they relate: "A NASA satellite recorded surface temperatures in the Lut desert of Iran as high as 71", "one of the hottest and driest", "the hottest temperature ever recorded on the surface of the Earth", "Lut desert have had the highest surface temprature on Earth".

And this statement could use some rewording: "There are reports that no living creature lives in this region." Maybe it means that no large animals make their home in Gandom Beriyan?

Alpha Ralpha Boulevard (talk) 18:31, 28 June 2008 (UTC)

Hottest ever?

A NASA satellite recorded surface temperatures in the Lut desert of Iran as high as 71 °C (159 °F), the hottest temperature ever recorded on the surface of the Earth.

I'm not sure if this is correct. Climate records are based on temperatures 4-5 feet above the ground, and I believe the record set in El-Azizia of 57 C has not been broken as far as climatic air temperatures go. Ground temperatures can reach the 90s Celsius and higher, but those aren't recorded as "high temperatures" since they have more to do with the reflectivity of the ground surface than with climate. (For example, you can fry an egg on the sidewalk in some parts of the USA, because concrete can have a surface temperature of 100-110. even when air temperatures are only in the 40s.) If this "surface" temperature is a ground-surface temperature, it's nowhere close to being a record. However, if it's an air temperature, then it's incredibly noteworthy, being more than 10 degrees warmer than the previous world record (for climatic air temperatures). 151.205.112.88 (talk) 01:46, 29 December 2008 (UTC)

I agree. The Libya temperature is a well-established world record. I also have problems with this source being used to make these claims.

First, this NASA source is gimmmicky. You could simply pave an area with blacktop or put it next to an industrial area or a solar collector to get an even higher temperature.

Second, the NASA source seems to mention these few places on Earth of examples of high temperatures during a snapshot of time, and not a representative sample. So, it is temporally inaccurate.

Third, the global map of surface temperatures looks very rough with a pixel size of 250 m. Unless NASA has some kind of 1 m resolution here that they aren't sharing with us, I'd say their source is spatially imprecise and probably inaccurate too.

Fourth, it's not even a direct measurement on earth, where we can make more accurate measurements of temperature in specific places.

Fifth, does it really make any sense to say (or does it have any meaning) that, for example, west-central Manitoba and central Saskatchewan are hotter than basically all of the Southeastern U.S.? It looks like an area directly to the west of Lake Manitoba is showing about 50 C (122 F). This is near The Pas, Manitoba. The maximum temperature during the summers of 2003-2005 was 33 C (91 F). The average high temperature for all nine summer months in these three years was only 21 C (70 F).987654321

And this is at 54 N latitude, with a fairly weak sun angle. Now look at Shreveport, LA. The NASA map shows a temperature of maybe 40 C (104 F); though it's hard to tell the exact temperature, it is clearly a darker color than the are to the west of Lake Winnipegosis. On August 22, 2005, the AIR temperature reached a maximum of 40 C (104 F). I guarantee you that there was a parking lot or a patch of concrete in the city that day which was much hotter than 40 C if the air temperature was 40 C. But the NASA satellite would've only measured the temperature of the tops of pine trees in the area and not the "ground temperature".

Therefore, I've removed the statement entirely. Ufwuct (talk) 18:17, 16 March 2010 (UTC)

Here's the piece I removed:

A NASA satellite recorded surface temperatures in the Lut desert of Iran as high as 71 °C (159 °F)

, the hottest surface temperature ever recorded on the Earth. Ufwuct (talk) 18:22, 16 March 2010 (UTC)

References

Gandom Beryan not the hottest

Gandom Beryan is not the hottest area. For the hottest area go please 75 Km east... Prof. Dr. Kardovani. Farshad — Preceding unsigned comment added by 84.133.243.203 (talk) 17:18, 17 June 2011 (UTC)

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