Questions tagged [climate]

Average weather conditions for a particular area measured over multiple years or decades. For questions on climate change use the [climate-change] tag.

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-4
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1answer
471 views

Experimental testing to falsify the theory of the greenhouse gas effect [duplicate]

Irrespective of how accepted any scientific theory happens to be it is often worth thinking about a possible experiment to test said theory and perhaps falsify it. If we wanted to do this for the ...
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3answers
568 views

Which physical parameters can we actually measure to confirm the existence of the Greenhouse Effect (GHE)? [closed]

The theory of a GHE in a planetary atmosphere is rather well known. Many claim it is no longer a theory but actually proven as a fact. However I have been reading a lot of things Richard Feynman said ...
2
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4answers
264 views

How to design an experiment to quantify back radiation from atmospheric carbon dioxide?

Based on our current knowledge of CO$_2$ and current instrumental techniques, how big would a laboratory sample of air with 400ppm of CO$_2$ need to be in order to quantify the back radiation from CO$...
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1answer
323 views

How does an incease in the trace gas CO2 in the atmosphere make the earth hotter? [duplicate]

OK, you have all seen the question before BUT let's make the challenge a little different this time. I want you to use the Feynman Method ! You have to explain it simply, preferably just text but one ...
10
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3answers
416 views

Did climate cool down when underground hydrocarbons stocks formed?

As far as I understand, the dominant theory of modern climate change says that recent warming is mainly caused by the massive burning of hydrocarbons that used to be stored in solid form mostly ...
2
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1answer
218 views

Identifying different parts of a cave

Hopefully this is on topic here - I'm wondering if there are names for the different "biomes" that are present within a cave. Some of these "biomes" include: Open (no) ceiling, sunlit, potentially ...
3
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2answers
186 views

Current temperature increase VS decrease during the little ice age

Looking at the following temperature reconstructions i have two questions (source: wikipedia): Why is the y-axis centered around -0.2 °C? Why are the consequences of the current temperature ...
2
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1answer
141 views

What is the impact of climate change on tropospheric ozone production and vice versa?

I know ground ozone reduce the photosynthesis rate of vegetation and could lead to increase respiration and hence more CO2 in the atmosphere, contributing to global warming. But what is the opposite? ...
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2answers
2k views

If the earth is a globe, what causes temperature differences across lines of latitude?

If the earth is a globe and the sun is 93 million miles away, why is the equator the hottest place on earth? In terms of distances to the sun, the distance to the equator is almost equal to that as ...
3
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1answer
548 views

How does the existence of a Greenhouse Gas Effect (GHE) in the atmosphere affect the tropospheric lapse rate? [duplicate]

I am restricting my consideration, for the moment, to just the troposphere. With regard to our understanding of the GHE do we predict that an increased GHE due to increasing CO2/Water/Methane will ...
5
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1answer
312 views

Why does San Francisco see so much more fog than Seattle?

Having learned that fog often forms when wet air hits cold land, I’m now wondering why San Francisco sees so much more fog than Seattle does. They’re both Marine West Coast, with moist, westerly ...
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0answers
128 views

Are there any energy budget diagram showing separate day/night and summer/winter values?

I particularly like the classical energy budget diagrams like that produced by Trenberth et al in 2009. They are simple to understand and show all the various heat transfer mechanisms operating on the ...
3
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1answer
199 views

Is there any place on Earth that is permanently a desert?

I am interested to know if there is any place on Earth that is permanently a desert (except Antarctica). By permanent I do not mean to be the physical meaning of forever. It means the place has to be ...
7
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2answers
457 views

Methane leaks from biogas

Lately, I have been thinking about biogas and the impact leaks might have on climate. Biogas is mostly methane, and we know that methane has a much higher global warming potential than $\sf{CO_2}$. ...
5
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1answer
1k views

Rate of climate change with and without humans?

I was watching this interview of Bill Nye on Fox News. Bill claimed that the earth's climate is never in equilibrium, but human activity has caused the gradient to be much higher than it would've been ...
3
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0answers
78 views

Will the next ENSO event be of modoki type?

Where can I find free information to learn if the forecasted ENSO El Nino event for 2nd semester 2017 will be a MODOKI one? The Japan Meteo Service also publishes the EL-NINO-MODOKI Index (below), ...
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2answers
88 views

Is it possible that we can reduce climate change given our current actions?

Today, there are some scientists and people that are working on projects that will reduce the production of CO2 levels and effects of climate change. I'm very confused on whether it is possible for ...
7
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2answers
888 views

Why does the emission of aircrafts at higher altitudes have a greater effect on the climate?

I am trying to understand the footprint of a flight. First Wikipedia says (without quoting a source): The level and effects of CO2 emissions are currently believed to be broadly the same ...
2
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1answer
105 views

National Weather Service “average daily/yearly” (temp, rainfall) life cycle?

Does anyone know the "life-cycle" of the averages used for daily and yearly temperatures and rainfall by the National Weather Service? I have lived in the same (semi-desert) area for over 40 yrs, and ...
3
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0answers
425 views

Trewartha climate classification overlap?

By my reading of the wikipedia page on the Trewartha climate classification, climate classifications are not mutually exclusive. Let's take a look at the climate classification of Iowa City, IA. The ...
8
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3answers
274 views

Climatology Career

I am a high school Biology teacher with a crazy passion for climate and environmental changes. I wish I had known this before I started college. I have been out of college for a year and have been ...
3
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1answer
1k views

Can El Niño and La Niña occur at the same time?

We often read that El Nino and La Niña occur alternatively. Are they the exact opposite of each other? Or, in other words, can they happen at the same time? (i.e. the whole Pacific Ocean has a higher ...
7
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1answer
1k views

How to calculate w-wind?

My model (AGCM) does not compute w-wind (the vertical component of the wind velocity). However, I do have the following available variables from AGCM output: ...
3
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3answers
217 views

Had the climatologists predicted climate change as the deviations to both extremely cold and hot temperatures before?

Recently I read that the current extreme snowfall in northern temperate climate is caused by the increased evaporation due to the global warming. Had any scientist predicted these extremes before ...
8
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1answer
312 views

North Atlantic Oscillation (NAO) future prediction - Academic papers?

I am looking for academic papers which show future predictions of the North Atlantic Oscillation (NAO) by considering climate change and the various emission scenarios. Do you have any suggestions?
3
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2answers
638 views

Climate change hoax [closed]

I see many scientific articles and newspapers out there saying that the climate change is happening. Yet, there are people who believe climate change is a hoax and a lie. But I haven't seen any '...
3
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2answers
177 views

Implications of recent 36 degrees Fahrenheit (20C) anomaly at North Pole?

This extreme difference from normal -- could it occur in climates that are warmer, making some places unlivable? Additionally, is there a reason why extremely cold places should expect to have ...
3
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3answers
669 views

Lack of annual slash-and-burn in North America?

In many areas of South America, Africa, India and Southeast Asia, "slash-and-burn" agriculture is employed whereby every year the stubble from the previous year is burned along with other live ...
2
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2answers
209 views

How much area in the world is under SemiArid climate?

I am studying the L.C. King's "Normal Cycle of Erosion". Apparently, he suggests that Davis was incorrect to have assumed Temperate Humid conditions as "normal conditions" of the world when ...
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1answer
105 views

Wind speed, precipitation, extreme daily precipitation

I am trying to figure out what type of precipitation lifting mechanism occurs in a area that is unknown but I know some facts about the climate. So I know that there are 4 precipitation lifting ...
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1answer
4k views

What factors affect daily temperature range?

I was wondering if the difference between the low temp and the high temp depended on just the humidity content and the altitude of a place. Or are there more factors? What about the time of year? How ...
2
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1answer
415 views

Determing whether an area is Inland or Coastal

I have determined an area to be along the coastline just from looking at its climagraph. Its temperatures only range from -10 to 21 so there is not a large range of temperatures because it is being ...
3
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1answer
268 views

How can every ton of CO2 cost 3 square meters of summer sea ice per year - quantitatively?

The Science article The average U.S. family destroys a football field's worth of Arctic sea ice every 30 years states: Every additional metric ton of carbon dioxide (CO2) puffed into the atmosphere ...
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1answer
119 views

Would a global cooling event disable solar energy usage?

Imagine that we've improved the level quality, affordability, and ease of use of photo-voltaic solar, and it's use is widely distributed in the USA. We've improved the grid for power distribution, we ...
0
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1answer
775 views

Mild climate, low-humidity city all year round [closed]

Where in the world can I find a place with mild / warm and non-humid climate all year round? What I'm looking for is a city with these characteristics: - monthly average low temperature > 5°C (41°F) -...
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1answer
947 views

Is global warming nonsense? [closed]

It looks like global warming doesn't work. Can anyone refute this?
8
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3answers
229 views

Climate change review for a scientist [duplicate]

I am a Ph.D student in Computer Science and Statistical Genetics. I recently became very interested in climate change, for obvious reasons. I would like to use my solid scientific and statistical ...
5
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1answer
77 views

snow modelling using raster data with different resolution

I am trying model to some snow processes for the whole US. I do have daily climate forcing time series for a 1 x 1 km raster in a Lambert Conformal Conic Projection (netCdf format). The MODIS snow ...
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2answers
128 views

The Search for Climate Forums [closed]

For my fictitious alternate Earth, one of the most important things to consider is that any change in geography and geology can result in profound changes in environment and climate. I've been ...
4
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3answers
497 views

Why would Earth have stable weather patterns if it stopped spinning and vigorous weather if it had a much faster rotation?

According to https://www.youtube.com/watch?v=nH3bmG-KjvU, Earth would have stable weather patterns after it stopped spinning and according to https://www.youtube.com/watch?v=QHwLopLUrB8, Earth would ...
3
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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 ...
2
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0answers
105 views

volcanic effects on the climate during Pangaea

Which influence does the constellation of the continents have on the global climate? Was the biosphere more susceptible to climatic effects a volcanic eruption may cause during the Permian than it is ...
0
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2answers
308 views

A guide to how climate change will affect different countries [closed]

Let's assume that the climate change won't be prevented. I'm looking for a guide to show how the climate change will affect different countries. Specifically, I'm interested in comparing following ...
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0answers
366 views

What is a weather system?

I heard on Star Talk Radio that Jupiter has weather systems larger than Earth so I was just curious to know what the definition of a weather system is exactly.
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3answers
4k views

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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3answers
179 views

Need different temperature change data sets explained

Nasa's temperature record is showing temperature increase. When I confronted a climate change skeptic with it, he replied that the data has been tempered with, and that there are different data sets ...
2
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1answer
241 views

Rayleigh scattering from the moon light

If the moon reflects exactly the sun spectrum, then the blue photons part of the spectrum should scatter in the atmosphere during the night (assuming a perfect dark night sky). Why don't we see a ...
0
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1answer
36 views

How much faster are airmolecules going when the temperature raise from 15 to 25 degrees C? [closed]

As far as I know the temperature of the air depends on how fast the airmolecules are moving. But what is the increase of speed (in km/h) of those are molecules?
5
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4answers
5k views

Looking for evidence against some points raised in Ivar Giaever's speech on climate change

I just listened to Ivar Giaever's speech on the climate change, and he raised following points which seem significant to me: Temperature differences y/y are very small compared to natural variation ...
1
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1answer
114 views

When GCMs are calibrated do they use 'corrected rainfall' input?

Part of calibrating Global Climatic Models involves 'hindcasts' or 'history matching' against historic climate records, including rainfall. Such rainfall records are all in error because almost all ...

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