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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40 views

Asian South West Monsoon - Rainfall in South East Coast of India

So Indian peninsula has v shaped mountain ranges. Western ghats and Eastern ghats as shown in the picture. During Summer Monsoon, the wind flows from Indian ocean to land mass, and due to Coriolis ...
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81 views

Open-source earth model for climate change

Is there popular open-source project on Earth Model for climate change assessment or global earth simulation ? Best regards, Adrien
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How can we best objectively quantify climate change mitigation urgency? [closed]

Quantifying climate change mitigation urgency seems to have three aspects: (1) Green House Gas reduction targets required to meet a specific goal such as 2C. The first guesstimate seems to be zero ...
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4answers
187 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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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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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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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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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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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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339 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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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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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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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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60 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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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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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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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
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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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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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201 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
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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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109 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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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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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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192 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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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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106 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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A little question on climates

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 enviromental science)
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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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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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115 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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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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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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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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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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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
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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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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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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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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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112 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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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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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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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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Moisture flux convergence/divergence calculation in Grads

I want to calculate moisture flux divergence/convergence in 850 hpa for the summer and I have monthly mean gridded data sdfopen shum.mon.mean.nc sdfopen uwind.mon.mean.nc sdfopen vwind.mon.mean.nc ...
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Estimating Diurnal Temperature Changes for a region due to Climate change?

I am working on UHI related studies. I am wondering is it possible to estimate how diurnal temperature cycle would change for a typical day of given season. Edit: Based on comment I am trying to add ...
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Why doesn't vapor counts when calculating global radiative forcing?

When NOAA/ESRL calculates global radiative forcing (Table 2) there seems to be no contribution from water vapor. How come?
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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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