Questions tagged [temperature]

An objective measure of hot and cold, typically measured by a thermometer.

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1answer
361 views

How Warm Was the Paleocene?

It's been said that 55 million years ago, a massive carbon surge raised global temperatures by five to eight degrees (or, in a more preferable translation, nine to 14.4 degrees Fahrenheit). This ...
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Is this XKCD comic an accurate timeline of the earth's average temperature?

Apologies for the length of the image, which I found at http://xkcd.com/1732/. I'm mostly interested in the temperature line itself, both the historical data and the forward projections. The reason I ...
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Does the amount of rainfall relate to temperatures of a place?

Does the amount of rainfall relate to temperatures of a place? Is the amount of rainfall related to the maximum mean temperature of a place?
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0answers
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Does the level/reading/measurement of solar exposure impact temperatures

Does the level/reading/measurement of solar exposure impact temperatures? What I mean by this is, does a higher level/reading/measurement of solar exposure of a place cause/create higher temperatures, ...
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As the earth's core cools, will the size be affected?

Objects can change in size when their temperature changes. I'm wondering whether the cooling of the earth's core will affect it's size? Or will the change be insignificant due to the elements and ...
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1answer
138 views

Carbon dioxide and ocean acidification based on temperature

For our assignment, we are required to analyse and compare the $\ce{CO2}$ level (in both ocean and air) of two different sites. Theoretically, shouldn't the $\ce{CO2}$ level of a colder region (e.g., ...
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4answers
8k views

Is it hotter in different places with the same air temperature?

I am from (and live in) Minnesota, USA. In the summer here it always reaches temperatures in the 90s (F) for periods of time but not every week. The humidity is often high and the dew point often ...
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1answer
82 views

How strong is the correlation between the dew point of a town and the seawater temperature next to that town?

For example, the towns that has the highest dew point are usually next to the Red Sea and the Persian Gulf where the seawater temperature exceeds 30 degrees in summer.
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1answer
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Accurately Measuring Indoor/Outdoor Air Temperature & Relative Humidity

I’m conducting an independent study as a concerned citizen on the indoor temperature at an animal shelter to support the need of improved air conditioning by documenting how hot it can reach during ...
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3answers
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The temperature of the ocean below 1000 m

I have been trying to find data of sea temperatures in the deep sea (>1000 m), but I still haven't found any scientific papers. I have only seen websites talking about the temperatures, but without ...
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1answer
183 views

Is there a simple temperature prediction model?

I'm working on piecing together a game that involve sea trading, loosely based on historical conditions. As a part of making the game, I'm creating a map. From that map, I'm trying to determine what ...
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181 views

Buoyancy frequency

The buoyancy frequency, $N$ is defined as $N^2=\frac{gd\theta}{\theta dz}$, where $\theta$ is the potential temperature (I see it as a measure of the deviation from the adiabatic nature), $z$ is the ...
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1answer
107 views

Can we change the temperature in atmosphere?

In the laboratory we can maintain the low level temperature like 0 to -13 degrees. Like that can we do this process in atmosphere. For instance atmosphere temperature is 35 degrees can we change the ...
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Why are deserts hotter than other places on Earth

We all know that deserts are the hottest places on Earth, but what makes them different from other parts of the world?
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1answer
481 views

Will the Earth's core cool? [duplicate]

I am doing a school project and need to know... Will the Earth's mantle or core ever cool? If so, how? Thank you!
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1answer
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Reason for rotting smell after first rain of the season?

Last day we had first rain after 3-4 months of hot&dry weather, and within 3-4 minutes a rotting smell came from nowhere. Due this smell I had running nose for a day. What might be the reason for ...
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1answer
629 views

What does it take to make a diamond?

I have constantly been told through my K-12 Education that diamonds are a product of carbon, time, pressure, and temperature. If this is true, what is stopping someone from building a high-pressure, ...
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1answer
139 views

Maximum temperature possible on earth on a day

What is maximum temperature that can we have on earth on a single day? I assume that after a certain limit, radiation and convection would start working strongly to have equilibrium of surroundings. ...
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1answer
224 views

What is the earth's core temperature?

What is the earth's core temperature and is it really directly related to the earth's mantle?
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Estimating fog incidence based on ocean temperature

In the tropics, say the Caribbean, I have read that there is very often a lot of nighttime and morning fog. I have read that the crucial factors are The ocean temperature Cool nighttime air ...
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2answers
266 views

Snowing when the actual temperature is around $\small\sf9^o$ Celsius

In Paris, actually, it is snowing smoothly and the temperature, according to many sources, is around $\small\sf{9^o}$ Celsius. I had always the feeling that snow is possible when temperature ...
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1answer
123 views

Is there a formula for heat retained by an atmosphere, based on density and composition?

I'm looking for a formula, either precise or an approximation (it's for a video game so it's ok to have somewhat rough numbers), that determines heat retained from the sun by an atmosphere, based on ...
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Distribution of thermometric devices on earth

In complex climate models, measurements of Earth-based thermometers are used. What is their geographic distribution - historically? Does each measurement get equal weight?
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1answer
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Why does dew accumlate on only one side of my car?

Many days I walk out to my car to go to work and notice my windows are fogged up, I believe due to dew (haha homophones). When I am at my mother's house(O'Fallon, MO), all Windows get fogged up. When ...
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1answer
107 views

The effect of buildings on frost

I have see this morning this curious garden where one part was covered with frost while the other was frost free. Question 1: What are the factor that play a role in this configuration? My guess ...
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Near Future Precipitation and Temperature estimations?

I was wondering if anyone here is familiar with temperature and precipitation estimation? I need to estimate P and T from April to July 2016. I am planning to use excel to do the calculation because ...
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13answers
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Why is the pond in my backyard not frozen when it is -15 °C (5 °F) outside?

I am in O'Fallon, Missouri and today it is -15 °C (5 °F) outside. I was taught water freezes at 0 °C (32 °F). I could understand if it was exactly 0 °C (32 °F) that the water might not be turning to ...
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Base temperature value for European Nordic Countries

I am calculating Heating Degree Days and Cooling Degree Days for European Nordic countries (Norway, Sweden, Finland, Denmark, Estonia, Latvia and Lithuania). On a paper (Benestad 2008) I read that ...
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1answer
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By how much can rain temperature vary from the ground-level air temperature?

I'm guessing that falling rain equilibrates fairly quickly to the temperature of the air it's falling through. However, it isn't always at the exact same temperature, which is why we can get the ...
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2answers
901 views

SST and air temperature differences

I'm trying to understand what causes the sea-surface temperature (in the open ocean and coastal areas) and the air temperature immediately above it to be different. I know very little about the ...
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How exactly is the “global average temperature” calculated and how reasonable is this method?

During the recent (2015) Paris climate negotiations there was a lot of talk in the media about "limiting the global temperature increase to 2 degrees Celsius". I keep wondering about what ...
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Why doesn't it snow even when it is below freezing?

I know the temperature of a place is determined by various factors, a few of which I can think of are: Altitude, distance from sea, latitude, wind etc. My question is basically regarding latitude. ...
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1answer
112 views

What are the possible mechanisms that could cause a rapid drop of temperature over few days?

I live in Hong Kong. Two days ago, the average daily temperature was around 27–28 °C and in yesterday, it was around 22–23 °C (during daytime it was rather hot i.e. 26–27 °C and it was at night that ...
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Does lapse rate apply below sea level?

In many parts of the world there are dry lands below sea level, such as parts of the Netherlands. Since we know that temperature decreases with increasing altitude, does it mean that temperature will ...
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2answers
166 views

Why is the ocean paleotemperature trend downwards?

In The Encyclopedia of Paleoclimatology and Ancient Environments by Vivien Gornitz (2008, Springer) it is found that 50 My ago the sea temperature was about 13ºC above the present value. . AFAIK the ...
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In the South Atlantic and South-Eastern Pacific regions in tropical latitudes, cyclone does not originate. What is the reason? [duplicate]

Update: Granted the question has been asked in different form; but the answer still escapes me. At one place I read that locations in question have low sea-surface temperature. At ...
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1answer
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Why are there different vertical gradients of temperature in different layers of the atmosphere?

The temperature of the troposphere decreases with altitude whereas it is opposite in the stratosphere and again fluctuates. Why is this so?
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Dew point variation in a day

Is this true? "If there are no weather front or severe weather systems, then the dew point within a single day is fairly constant, no matter how large the day/night temperature variation."
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Are Southern Hemisphere 'Polar Blasts' caused by global warming?

The SMH journalist writes about a cold snap hitting the East Coast of Australia in July 2015: Proof of the big chill will be the extent of regions across Tasmania, Victoria and NSW experiencing zero ...
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What are the benefits of using conservative temperature in oceanography?

The new standard for ocean temperature is the "conservative temperature". It is based on a hypothetical adiabatic and isohaline change in pressure to the sea surface. Conservative temperature was ...
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1answer
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Why is the Ocean water on the west Coast so cold comparing to the East coast?

Even at similar latitudes they appear to be quite different from one another.
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GIS Data on climate types

Where can I download GIS data delimiting global climate types? For example mediterannean climate, temperate climate, etc. Additionally, how similar are temperature profiles for various places in the ...
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What is Celsius degrees to tenths? [duplicate]

I'm looking at a historical weather data report and the TMAX and TMIN are like this: 44 and -21, the following day 72 and 17. First I thought it was Fahrenheit, but the conversion didn't make any ...
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Why do certain areas on Earth have a higher or lower air pressure at sea level?

For instance, looking at this map of world air pressure in January and this map of July, why do some land surfaces have a higher pressure during the winter? I know that the tropics and Coriolis ...
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Digging depth and heat

I have a question about the underground heat at different distances from the core of the Earth. I was wondering if there was a depth at which you can dig that the decrease in heat (as a result of ...
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1answer
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Oscillations in the Keeling curve?

I'm having a slightly difficult time understanding the Keeling curve, pictured here: I understand that carbon dioxide (ppm) is increasing with respect to time, but why is there an oscillation between ...
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1answer
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Deciphering NCDC data

I need US monthly climate data for the years 1992-2012. It would be great to get down to a county level, but by state would be just fine. Every site that I go to inevitably kicks me to the NCDC, but I ...
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How does the Sun heat the Earth?

The core of the sun has a temperature of 15,000,000 °C. The surface of the sun has temperature around 5,000 °C. The sun is around 93 million miles (150 million km) away from earth. My Question: With ...
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1answer
515 views

Does earth's size affect the temperature of the poles?

What effect does Earth's size have on the temperature of the north and south poles? If the Earth were larger, or smaller, would this affect those temperatures?
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Is it possible for rivers to freeze completely and stop flowing?

Is it possible for rivers to freeze completely in the winter and stop flowing? Are there known examples of this? If yes, how large can these rivers be and where does the water go? There are several ...