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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4answers
204 views

What exactly is a published climatologist?

I am trying to get Gallup to do a scientific poll of published climatologists to greatly strengthen the credibility of the 97% consensus. This must start with very excellent formal definitions of ...
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1answer
105 views

Where can I get hourly ambient temperature for each county in United States?

Need temperature for 24 hours for each county of United States. Average values is ok, seasonal granularity welcome. I've been looking at nClimDiv datasets
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2answers
79 views

Terrestrial albedo

With the increase in carbon dioxide and the warming of the Earth's surface, some surfaces change colour and reflect light differently. In general, there is a decrease in light areas and an increase in ...
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43 views

Are there any known global effects of the Mediterranean sea evaporation and refilling?

This is a broad subject I realize, but I'm looking for specific geologically observed answers of global effects elsewhere, between about 5.96 and 5.33 million years ago when the Mediterranean sea was ...
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77 views

At what distance from a location does the average monthly climate significantly start to differ?

I am almost done creating an app that allows people to create a planting calendar based on garden journals created by people who live within a certain radius of a user. In those garden journals people ...
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Climate modelling: statistical downscaling or dynamical?

I would like to assess climate change impacts on Protected Areas (e.g. natural reserves, national parks) for Mediterranean countries. I found easily future data from several Global Circulation Models ...
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76 views

Author's Name Of A Book On Bill Maher's Shelf [closed]

Could any of you, please, tell me who is the author of this book on Bill Maher's shelf? The book name is "Climate Science" and the cover color seems to be green. I looked for it on the Amazon website ...
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2answers
361 views

Was the last glacier too hard for the Neanderthal?

I know several theories are proposed to explain Neanderthal extinction: Consanguinity. Homo Sapiens competence. Climate change. But Finlayson et al (2008) quote the last ones lived south of the ...
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81 views

Climate change: Human vs Natural [duplicate]

The planet has been warming for thousands of years. Human activity has accelerated the warming, but by how much? At some point in the future, without human intervention, the climate will have ...
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139 views

Equatorial Bulge and its implications on the climate

How much of the variance in the climate is due to the equatorial bulge and how much sun radiation do we lose due to the equatorial bulge? I am interested in the variance both through time and ...
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1answer
82 views

Where oil is used for [closed]

I am trying to study climate change and lately, I am realizing that oil companies were/are drilling for oils at Alaska, Arctic, Antarctica. Where oil (which oil company drills) is used maximum for? I ...
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1answer
62 views

Rain Water vs Sprinkler Irrigation

During the rainy season, the crops like corn, cotton are found to be growing faster. Studies shows that the thermoelectric fixation of gaseous Nitrogen during rain storm accelerates the plants growth ...
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100 views

Climate Change in the North

Why has it been so warm in Moscow, Russia the past few winters where the temperatures even overnight have been above freezing when normally it gets brutally cold?
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493 views

Does the geothermal activity influence the climate in Iceland?

Iceland has a much more temperate climate than its latitude (~65 degrees) would suggest, thanks to the North Atlantic Current bringing relatively warm water/air so far up north. There is a lot of ...
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68 views

Reflected radiation from increased CO2 : how was this calculated

The IPCC claims that the reflected radiation from incresaed CO2 heats the Earth at a rate of 5 W m-2. How did the contributing researchers came out with that result?
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What the negative values in ERA5 soil moisture represent? [duplicate]

I am using ERA5 soil moisture for drought analysis. I do not understand what negative values for soil moisture means, could someone please offer an explanation?
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2answers
194 views

How can I convert the negative values of the ERA5 PET data into positive?

I planned to use the ERA5 Potential evapotranspiration data for drought analsysis (SPEI), however values are presented in negative number. Of course I understand the logic for presenting PET negative. ...
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128 views

Why is wind shear consistently high in the South Atlantic?

I have read that perhaps the largest reason that tropical cyclones are so rare in the South Atlantic is due to chronically-high vertical wind shear which inhibits their structural development. But ...
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2answers
222 views

What caused peak CO2 to rise, starting about 400,000 years ago?

This question assumes the accuracy of this (and similar) charts. Source of image. From the image, CO2 peaked at about 260, perhaps 265 ppm during the interglacial periods between 800,000 years ago ...
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1answer
262 views

How to better understand the RIP-nomenclature used in the CMIP5 project?

I am a statistician working on a climatological downscaling project in the Caribbean Sea. I am just starting to learn about the CMIP5 GCM data project. I plan to download CMIP5 data from 6 climate ...
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1answer
113 views

What the humidity metric is hiding?

So I have been spending time in Moscow Russia which essentially records very similar climatic humidity to my home city of London. However in Moscow my throat is permanently dry, I need to consume more ...
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40 views

How large were CFC emissions per year before the Montreal Protocol came into practice?

This article The China CFC dilemma states CFC emissions now might be 67,000 tonnes per year. I tried to look for how large were the emissions of it before the Montreal Protocol but I couldnt find it. ...
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52 views

Why are isotherms skewed to 45 degrees in the tephigram?

I have studied about tephigrams. In all the books, it has written that isotherms and dry adiabats are skewed to certain degrees. But practically I could not connect it. How is it possible that ...
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2answers
214 views

On what basics, can scientists predict the effects of climate change?

I don't know much about the topic of climate change to be honest. However, I've been attending a number of talks recently on the topic. As someone who studies mathematical models and uncertainty ...
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3answers
150 views

How much did the worst volcanic eruption in human history affect global temperature?

According to this, 2018’s Biggest Volcanic Eruption of Sulfur Dioxide In extreme cases, like the 1991 eruption of Mount Pinatubo in the Philippines, these tiny aerosol particles can scatter so ...
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2answers
129 views

Did global temperature increase or drop in the last 2 years (2017-2018)?

This website Climate change global temperature from a governmental organization, shows 2 graphs , one called "History of global surface temperature since 1880" and the other called "Yearly surface ...
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150 views

What is sub-tropical wet climate, semi-arid climate and semi-tropical continental climate?

What is sub-tropical wet climate, semi-arid climate and semi-tropical continental climate? I encountered this while reading climate of my state Haryana. (I have no background in environmental science)...
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2answers
116 views

Why is more carbon in the atmosphere good, up to a certain level?

According to Elon Musk, there's "an argument" stating that the current level of carbon in the atmosphere (more than 400 ppm) is better than it was some hundreds of years ago (200 ppm). He even calls ...
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1answer
499 views

downloading ERA5 netCDF daily data for a decade, how to restrict location to reduce data size?

I have download ERA5 netCDF file in order to get precipitation monthly/daily rates for 11 years. But I have realized, there is no option to select my area of interest. It seems it is a big file to ...
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1answer
237 views

What is the most optimal latitude on Earth for the generation of extreme maximum temperatures?

First question on this StackExchange, so here goes... Overall, reaching high temperatures is dependent on 2 factors: The (maximum) solar angle in the day. The greater the solar angle, the more ...
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1answer
118 views

Origin of Serious Wildfires

At a very rough estimate, what proportion of wildfires are caused by natural events like lightning? I am absolutely sure that in Europe, where there are often wildfires, the sun is never hot enough to ...
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1answer
40 views

Temperature of the earth [closed]

What are the main factors that contribute to the temperature fluctuations/cycles of a location? Is the earth's temperature cycle dictated mainly by the temperature cycle of the ocean? How does the ...
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1answer
81 views

What portion of global warming is caused by radioactive CO2 produced from cosmic rays?

The Earth's magentic field has been weaking recently, and the sun's magnetic field has been weaking recently, and it is a known fact that when either of these magnetic fields weaken (let alone both of ...
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1answer
34 views

Regional and Relative Sea level

I am a little confused by the terms "regional" and "relative" in the sea level change context. Do the two words have the same meaning? Does the "regional MSL trend" in https://www.aviso.altimetry.fr/...
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45 views

How does jetstreams lead to formation of heat waves in Europe?

Jetstreams move at an altitude of roughly 6-9km above the sea level. Since, it is moving at such a great altitude how could it have possible impacts on the land? And how will jetstreams that flow at ...
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1answer
149 views

What types of high-level mathematics are useful in doing climate modelling/meteorology?

I'm aware that PDEs, linear algebra, numerical analysis and such are staples of most applied mathematical endeavors. I want to know if there are other areas of "higher" mathematics that have useful ...
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2answers
625 views

What was the lowest temperature ever recorded on the surface of Earth?

This article Lowest recorded temperatures lists a -89 Degrees Celsius in Vostok, Antartica as the lowest recorded temperature. However, this other article List of weather records lists a −93.2 °C (−...
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1answer
387 views

The Medieval Climatic Anomaly

Trying to understand this question, posted to me by a lecturer at University: "The Medieval Climatic Anomaly was distinctive in terms of the prevailing climates and forcing mechanisms operating ...
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2answers
107 views

Climate consequences of very large asteroids striking the Deep Ocean

For every asteroid or meteorite that hits dry land, two hit the sea. If a Manicouagan-sized asteroid struck the deep ocean (but not above a trench),how would the H2O vapour, chlorine, iodine bromine ...
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1answer
408 views

Do cloud formations change depending on the season?

I'm currently working on some software for cloud masking, and thus far I have only been using satellite data as recent as spring (northern hemisphere). However, I'm wondering if cloud coverage or ...
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0answers
43 views

Oscillating dew point throughout the year?

I was searching for the climate of Saudi Arabia and I noticed that the city of Abha (altitude of 7000 feet) has a "strange" behavior in its dew point, as numbeo suggests: https://www.numbeo.com/...
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0answers
50 views

Are there more meteorological catastrophic events due to climate change?

I was told by a sedimentologist there is no evidence of more climatic catastrophic events at the geological register previous to Pleistocene, when climate was warmer. My question is if meteorologists ...
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1answer
198 views

What happens when the North and South poles flip?

How long does it take the magnetic field to move once the poles start to flip? What environmentally would change? Does the core of the Earth flip? The magnetic poles are moving now. When will it ...
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1answer
112 views

Get atmospheric pressure values through JavaScript

I'm working on a programming project in which I want to show isobars on a map with OpenStreetMap and the HTML tag canvas. The main problem that I'm facing is the dificulty of retrieving consistent ...
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86 views

Does tropical rain forest as defined by the Holdridge Life Zone classification exist in any meaningful prevalence?

I've been recently introduced to the Holdridge life zones and their method of classification, and have been somewhat concerned/confused by the definitions of tropical rain forest as described by the ...
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1answer
171 views

Which greenhouse gas has the most influence over global warming?

Carbon dioxide is the gas everyone talks about because of how much we emit, but it is the most influential greenhouse gas ? I know there are a lot of other gasses are way more potent to retain heat ...
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1answer
623 views

Madden-Julian Oscillation (MJO) - How to interpret the index?

How the Madden-Julian Oscillation (MJO) index can be interpret? Let's suppose I have got an MJO index value of 0.6 in a given day, what this does mean? Does 0.6 represents a weak MJO? Data from ...
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1answer
133 views

Equations for Milankovitch Factors?

Are there equations for the radiative forcings of the three Milankovitch factors at any given time? Or a database of values?
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1answer
143 views

Calculate the maximum power angle of a solar panel (photovoltaics)

I want to calculate the maximum power angle of photovoltaics depending of the coordinates on Earth. That means at which angle I should align my solar panel to get the maximum power over the year? I ...
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0answers
49 views

Any appreciable differences in microclimate on the shores of small mountain streams?

I have land in India (the tropics), in the hills, on a slope from 6800 feet - 5200 ft altitude (roughly). At that lowest point there's a stream of about 10-15m across. On one side is our land, on the ...

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