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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How to calculate rate of change of temperature with pressure in Earth's troposhere? [closed]

I was given a problem in a competitive exam from previous year: Calculate the rate of change of temperature of the Earth's troposphere with pressure ($\frac{dT}{dP}$), given Scale height, $H$, where $...
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Were Carboniferous plants more efficient sequestering $\ce{CO2}$ than present plants?

The Carboniferous was a period where CO2 levels fell drastically. Source: Geologic history of seawater: A MAGic approach to carbon chemistry and ocean ventilation I think the main reasons are ...
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Feedback loops between soil chemistry and plant growth

Would the dynamic between soil nitrogen and plant growth be a positive or negative feedback loop I think it is a negative feedback loop because as soil nitrogen increases then plant growth increases, ...
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Why is it that “With higher CO2, the dry gets drier and the wet gets wetter”?

The Phys.org article CO2 dip may have helped dinosaurs walk from South America to Greenland quotes Dennis Kent, "adjunct research scientist at Columbia University's Lamont-Doherty Earth ...
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Seeking climate and related sciences textbook recommendations

I will be starting a Master's program in data science soon and my eventual hope/goal is to do climate-related data science work. I did an independent study for one semester in college on the ...
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Science behind the groundhog day myth

The myth goes that if a groundhog sees his shadow on Feb 2, six more weeks of winter are yet to come, but if he doesn't, spring is just around the corner. I am wondering if there is any science ...
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104 views

What are the risks of developing geoengineering?

Wikipedia page for geoengineering entry list a lot of proposals to decrease global temperature: Solar radiation management methods[5] may include: Surface-based: for example, surface-based mirror ...
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What does a change in the mean pressure across 750 km indicate/signify?

Coming from the aviation site: What is the westerly index? The westerly index is: ... the Trenberth Z1 index (Trenberth 1976), which is the departure of the monthly mean pressure difference between ...
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Why don't green house gases escape into space?

I have never heard an explanation as to what traps GHGs. What holds them in place? Has research been conducted to assess the efficacy of say triggering a change in their chemical composition into a ...
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Can clouds be formed without a pollen particle's role?

I read online that it is scientifically proven that pollen particles can trigger cloud formation "is that true"? if true ,does it mean that no clouds can be formed without pollen particles' ...
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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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Will a new glacial age take place on Earth or Holocene will become a new climatic epoch?

Pleistocene shows a switch between glacial and interglacial ages. Image source: global-climate-change.org.uk However, humanity is burning fossil fuels and increasing atmosphere's $\ce{CO2}$ content. ...
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When are the IPCC AR6 reports going to be published?

Im trying to find out when each of the reports from working groups 1,2 and 3 will be published due to the delay due to covid19. Does anyone have any up to date information about these dates as opposed ...
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Why are there both climate regions from axial tilt and weather cells?

So Earth has an axial tilt and that creates weather regions. For example, approximately 23 degrees north and south, approximately the same as the planets axial tilt, will give you the tropics. This ...
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Why is Somalia so dry?

Most deserts are a result of the rainshadow effect, cold currents, the subtropical ridges, or a combination of those. Knowing this, how is the Somali desert caused? It is notable since it has a desert ...
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Why is March colder than September in Northern Hemisphere?

Forgive my ignorance of the subject but I was always wondered about the exact reason of this phenomenon. Vernal equinox happens around March 20, whereas autumnal equinox happens around September 22, ...
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Can the absorbtion of infrared around the 650 wavenumber in water be a substantial cause of converting that spectrum range into other spectra?

CO2 absorbs around the 15 microns wavelenght or wavenumber 650, and radiates in the same but also a somewhat wider range. However, the top layer of the oceans seem to also convert that spectrum range. ...
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Why divide total insolation by $4$?

From Nature: We divide by $4$ since the solar energy is spread over the surface of the planetary sphere. The Earth intercepts a circular area of incoming sunlight, and this area is spread over a ...
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Why are January and February the coldest months although 21 December is the shortest day? [duplicate]

My question deals with the northern hemisphere only, obviously. It seems to me that January and February are the coldest months of the year. Water temperature is even more 'retarded': the seas are ...
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Is it possible to kickstart an hypothetical frozen earth with 0.6 ice albedo to an earth with an atmosphere, with just the sun at current distance?

Phase change of water at different pressures and temperatures tell us that with no atmospheric pressure 200 Kelvin (minus 73 Celcius) is enough to turn ice into vapor directly Wouldn't that suggest ...
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What was the oxygen concentration in the air during the late miocene period?

As the title says, I'd like to know what the O2 concentration was during the late Miocene period. I've tried to look this up but I'm having a hard time finding any conclusive data on it, or even any ...
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Why is the average 1 Bar temperature on planets with a thick atmosphere proportional to the distance of the sun?

The temperature of a planetary body in space varies with the fourth-root of the power incident upon it, this is derived from the Stefan-Boltzmann Law. This is understandable when applied to a black ...
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How does the changing seasons affect the large scale easterly flow of the ITCZ?

I am new to climate science and have been learning the basic picture of the intertropical convergence zone (ITCZ) and how this leads to the predominant easterly "trade winds". The picture that I ...
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Is the weather of Miami, Florida and the weather of Lagos, Nigeria the same

I've been to Lagos and it rains a lot sometimes overflooding but it's pretty sunny. I'm aware that it rains a lot too in Miami. Is the climate the same apart from Lagos being near Equator and ITCZ ...
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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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Is there an average year of weather across the United States?

I am interested in which year has the best representation of average weather across a large area, the contiguous USA. This is challenging since what was average in the Midwest might have been unusual ...
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Solution for the coexistence of overpopulated human species with nature [closed]

Is there any solution to deal with the overpopulation of our species at the same time protect the natural environment of ours? (other than finding a inhabitable planet?)
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Is there scientific consensus on the existence of the iris effect

Question: Is there scientific consensus on the existence of the Iris Effect and whether it is a positive or negative feedback mechanism? If so, can you refer to a recent publication? Background: In ...
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Find planetary temperature

I’ve asked this on Worldbuilding, but can anyone find/make me a formula that can be used to predict the mean temperature of a planet, while factoring in greenhouse effect?
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If we could green the Sahara, would it be able to sustain itself?

Let's say at some point in the future we have an abundance of fresh water (for example because we have enough energy to power many desalination plants) and we can turn the Sahara into green land by ...
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What if Pinatubo's eruption in 1991 had been followed by a La Niña rather than an El Niño?

If there had been a La Niña rather than an El Niño in 1991-92, would the sulfur aerosol veil caused by the release of 17-20 megatons of sulfur dioxide during the Pinatubo eruption of June 1991 have ...
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Has the research into the apparent “Pause” in GMSTs produced a substantially better explanation?

Zeke Hausfather tweets Just six years ago many in the scientific community were obsessing over the apparent "pause" or "hiatus" in surface temperatures. It famously made it into ...
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How will climate change affect the extent of the Sahara Desert?

Will it increase the size of it? (perhaps by increasing the extent of the Hadley Cells)?
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Could dust blown up by a comet impact render the air unbreathable?

In the docudrama Super Comet After the Impact, the impact is shown to have made the air within a few miles of it unbreathable, and humans need gas masks to breath in this area. How realistic is this? ...
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How much of the Earth's surface was covered with water during the Mesozoic?

When the Earth was at its warmest, and there were no ice caps at all, not even during the winter, and thermal expansion meant a certain amount of water took up more space, what ratio of Earth's ...
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What kind of climate could you expect in a mountainous area in a subtropical region?

More specifically, I'm trying to work out climate analogues for my farm. It's at 5200-6200ft in South India. My area is a bit too small for the Köppen Map to correctly reveal patterns. I'll be ...
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Would the climate still rise when we reduce our carbon footprint down to zero?

Every electrical device consumes electric energy and almost every one of them I can think of produces heat as a byproduct. This also applies on every kind of machine powered vehicle. Even our bodies ...
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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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R SPEI package on waterbalance timeseries for multiple locations with NA's: unexpected data output distribution

I want to use the spei() function in the SPEI package on a waterbalance dataset from 2015-2020 of 99 locations. The waterbalance is calculated out of MODIS PET values (8-day summed to monthly) and ...
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What are monsoons caused by? [closed]

Traditionally we think of them as being caused by differences in land-sea heating. But more recently, some researchers, like Simona Bordoni and William Boos, have argued otherwise.
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Looking for the climate classification for a particular climate

I'm looking for the climate classification among the many different climate classification systems covering my absolute favorite form of climate. If a classification for this doesn't exist, and you ...
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Where can I get archived hourly temperature data?

I am looking for historical hourly temperature data from many cities in the US what other data sources are there except wunderground? UPDATE: I will use the data to compare stations from the same ...
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How would I simulate the effects of the Antarctic ice sheet being deleted on Earth's climate?

This is a follow-up to my question If its ice sheet were removed under modern atmospheric conditions, what climatic and ice-sheet equilibrium would be re-established over Antarctica?. As it has ...
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How will air quality, weather and climate improve because of the containment, social distancing and lockdown during the COVID-19 outbreak?

The actions taken to contain the corona-virus epidemic is closing any form of human activities in the world. Schools are closed in most cities of the world, people are told to stay at home and it ...
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Do Self-Aggregation Simulations Depend Crucially on Radiative-Convective Equilibrium (RCE) Initial Conditions?

I've been reading papers on convective self-aggregation, such as Bretherton (2005) and Khairoutdinov (2003), and it's not clear to me why (or whether) self-aggregation depends on the model being ...
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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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Are we entering a new Ice Age according to Milankovitch cycles?

Milankovitch cycles consist of three orbital parameters: eccentricity, obliquity, and precession of equinoxes. According to Milutin Milankovitch, the most recent glacial period ended nearly 11,000 ...
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How does the act of producing animal feed from the leftovers of a process result in a negative carbon footprint? [closed]

According to this source, it is claimed that (emphasis is mine) At Arbikie Distillery in Angus, scientists claim to have developed the world's first "climate positive" gin. By using garden ...
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What are the latest developments about global stilling?

I recently learn about "global stilling", i.e. the fact that surface wind speed tends to decrease since the 80s. It was in this article, but it's from 2010. The Wikipedia page also seems a ...
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Is there a site where I could get a high resolution global annual temperature map?

I'm exploring different places on the countryside and would like to compare their different annual temperatures. The options that I've seen are either too coarse (NASA, NOAA, arcgis (free online ...

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