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Author Topic: Extreme weather  (Read 112975 times)

Alan Klein

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Re: Extreme weather
« Reply #1700 on: March 07, 2020, 11:30:47 am »

Cities with more people tend to produce less CO2.  Well, maybe.

NASA satellite offers urban carbon dioxide insights
https://phys.org/news/2020-03-nasa-satellite-urban-carbon-dioxide.html

LesPalenik

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Re: Extreme weather
« Reply #1701 on: March 07, 2020, 11:38:45 am »

Cities with more people tend to produce less CO2.  Well, maybe.

NASA satellite offers urban carbon dioxide insights
https://phys.org/news/2020-03-nasa-satellite-urban-carbon-dioxide.html

If so, that would be offset by a greater production of methane.
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LesPalenik

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Re: Extreme weather
« Reply #1702 on: March 08, 2020, 09:24:34 pm »

JP Morgan economists are concerned about the Covid-19 crisis, but they worry even more about the effects of global warming.

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The world’s largest financier of fossil fuels has warned clients that the climate crisis threatens the survival of humanity and that the planet is on an unsustainable trajectory.

The JP Morgan report on the economic risks of human-caused global heating said climate policy had to change or else the world faced irreversible consequences.
The study implicitly condemns the US bank’s own investment strategy and highlights growing concerns among major Wall Street institutions about the financial and reputational risks of continued funding of carbon-intensive industries, such as oil and gas.

https://www.theguardian.com/environment/2020/feb/21/jp-morgan-economists-warn-climate-crisis-threat-human-race
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LesPalenik

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Re: Extreme weather
« Reply #1703 on: March 17, 2020, 11:38:24 pm »

Deutsche Wetter Dienst (German Weather Service or DWD) just finished preparing their climate forecasts for the next ten years.



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The calculations conclude that this year Germany-wide could be 1.0 to 1.5 degrees warmer than the average of the reference period between 1981 and 2010. The average temperature in the years 2025 to 2029 will be particularly in the west and East Germany are even 1.5 to 2.0 degrees higher. Globally speaking, the past year was, according to the DWD, the second warmest since global records began in 1850. The decade 2010 to 2019 was therefore the historically warmest.

Drought must be expected in the next five years. The forecasts are particularly important for agriculture and forestry.

"We are the first generation to measure, observe and scientifically analyze the effects of man-made climate change so comprehensively," said Gerhard Adrian, President of the DWD and the World Meteorological Organization (WMO). "This knowledge is in the world and can no longer be swept under the table."

Adrian urged more engagement in the fight against climate change. The greenhouse gas concentration in the atmosphere is still increasing, the global mean temperature continues to rise and the global sea level is increasing. "All the important adjustment screws are still turning in the wrong direction.

https://www.spiegel.de/wissenschaft/natur/klimawandel-deutscher-wetterdienst-legt-erste-klimavorhersage-fuer-zehn-jahre-vor-a-52d54e0e-bb82-44f9-8ed5-255488c3fa06
« Last Edit: March 18, 2020, 06:50:35 am by LesPalenik »
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Alan Klein

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Re: Extreme weather
« Reply #1704 on: March 20, 2020, 01:12:29 pm »

JP Morgan economists are concerned about the Covid-19 crisis, but they worry even more about the effects of global warming.

https://www.theguardian.com/environment/2020/feb/21/jp-morgan-economists-warn-climate-crisis-threat-human-race
Les, I hate to say this.  But climate change spending is over.  No one is going to care about it as everyone will be looking for a job.  Government will have no money to spend on alternate resources to carbon fuels.  They'll be spending on Social Security payments and unemployment checks. Paris Accord is over.  Period.  On the good side, with less business, there will be less carbon burning so less CO2. 

Robert Roaldi

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Re: Extreme weather
« Reply #1705 on: March 20, 2020, 01:14:52 pm »

Les, I hate to say this.  But climate change spending is over.  No one is going to care about it as everyone will be looking for a job.  Government will have no money to spend on alternate resources to carbon fuels.  They'll be spending on Social Security payments and unemployment checks. Paris Accord is over.  Period.  On the good side, with less business, there will be less carbon burning so less CO2.

I'm willing to bet that they'll still find the money to buy military armaments and hire lobbiests to petition for lower taxes. Always money magically available for that.
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Alan Klein

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Re: Extreme weather
« Reply #1706 on: March 20, 2020, 01:43:35 pm »

I'm willing to bet that they'll still find the money to buy military armaments and hire lobbiests to petition for lower taxes. Always money magically available for that.
I'm talking about all countries, not just the USA. Military spending will decrease too.  EUrope doesn;t want to spend the 2% required by NATO.  With lower GDP's they're going to want to spend even less.  America will pull out of Europe to save money.  ALl sorts of things no one predicted can happen when things go south.  If we don't get back to work, somehow, the cure might be worse than the disease.  Joe is right.

LesPalenik

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Re: Extreme weather
« Reply #1707 on: April 01, 2020, 05:59:02 am »

This has nothing to do with weather extremes, but with the forecast difficulties:

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Corona crisis makes weather forecasts more uncertain - translated from an article in German Spiegel.
Because air traffic has largely ceased due to the Corona crisis, weather forecasts and climate observations are becoming more difficult. The weather models lack data that normally comes from sensors on aircraft. "If even less weather data is provided by aircraft and this over a longer period of time, the reliability of weather forecasts is likely to decrease," said Lars Peter Riishojgaard, group leader at the World Weather Organization (WMO), in Geneva. Weather conditions are also more difficult to predict, according to WMO. Above all, this would pose a risk to countries that need to prepare in advance to prepare for weather disasters.

Sensors on around 3,000 specially equipped commercial aircraft usually provide data on temperature, wind speed and direction, humidity and turbulence. This data is now missing. The WMO reports a drastic slump for Europe in March, from more than 700,000 to a few thousand weather data per day.

In addition to airplanes, almost 70 weather satellites and more than 10,000 ground stations provide data, according to the WMO. This is largely automated in industrialized countries - but if the crisis persists, there is a risk that the systems could fail due to lack of maintenance and repair. In developing countries, a lot of measurement data would be recorded manually. These observations have already decreased significantly in the past few weeks.

https://www.spiegel.de/wissenschaft/medizin/coronavirus-news-am-mittwoch-die-wichtigsten-entwicklungen-zu-covid-19-und-sars-cov-2-a-2d217231-0ada-4ea8-b48d-3d04ac53c314
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Slobodan Blagojevic

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Re: Extreme weather
« Reply #1708 on: April 01, 2020, 06:16:10 am »

This has nothing to do with weather extremes, but with the forecast difficulties...

Who cares? We are stuck in homes anyway ;)

LesPalenik

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Re: Extreme weather
« Reply #1709 on: April 01, 2020, 06:25:58 am »

Who cares? We are stuck in homes anyway ;)

Yes, I was also stuck at home for most of last week, mainly due to lousy weather, but the current weather forecast (if we can trust the remaining flying sensors) predicts sunny and relatively warm weather for the next 7 days. Optimal for raking the front and back yard, and pruning the bushes.
« Last Edit: April 01, 2020, 06:31:00 am by LesPalenik »
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Rob C

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Re: Extreme weather
« Reply #1710 on: April 01, 2020, 06:52:34 am »

Whereas I am advised not to do the washing until Saturday, when there is sunshine scheduled. I have 50 - 50 open/covered terrace space, but hanging wet washing is so depressing to look at in bad, grey weather. In Scotland, I can remember my wife smiling as she brought in shirts frozen like scarecrows with their arms stretched out.

Bart_van_der_Wolf

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Re: Extreme weather
« Reply #1711 on: April 01, 2020, 07:53:11 am »

Who cares? We are stuck in homes anyway ;)

Poor air quality reduces immunity ..., just saying.
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petermfiore

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Re: Extreme weather
« Reply #1712 on: April 02, 2020, 08:35:07 am »

Poor air quality reduces immunity ..., just saying.

So does aging.....

Robert Roaldi

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Re: Extreme weather
« Reply #1713 on: April 02, 2020, 08:43:37 am »

So does aging.....

Careful, someone might try to make aging illegal.
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Bart_van_der_Wolf

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Re: Extreme weather
« Reply #1714 on: April 02, 2020, 11:00:25 am »

So does aging.....

It adds up. Average life expectancy is reduced by 13 months in my country, due to Particulate Matter emissions (PM10, and more importantly PM2.5). The number of Asthma cases at young ages is increasing disproportionally.
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Alan Klein

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Re: Extreme weather
« Reply #1715 on: April 02, 2020, 03:47:30 pm »

It adds up. Average life expectancy is reduced by 13 months in my country, due to Particulate Matter emissions (PM10, and more importantly PM2.5). The number of Asthma cases at young ages is increasing disproportionally.
Fortunately, those thirteen months would have come at the end when you're drooling, pissing in your pants, are impotent, and can't remember anything anyway.  So if you were alive, you'd be thankful you're dead.

Bart_van_der_Wolf

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Re: Extreme weather
« Reply #1716 on: April 03, 2020, 11:30:55 am »

Fortunately, those thirteen months would have come at the end when you're drooling, pissing in your pants, are impotent, and can't remember anything anyway.  So if you were alive, you'd be thankful you're dead.

No, the issues develop already from a young age, and affects one's well-being throughout life. Productivity is reduced, people's health is reduced, and it leads to all sorts of deceases like heart problems and kidney failure, to name a few. It also reduces the immune system's ability to fend off or reduce the severity of viruses and bacterial infections.
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== If you do what you did, you'll get what you got. ==

Frans Waterlander

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Re: Extreme weather
« Reply #1717 on: April 03, 2020, 12:43:24 pm »

No, the issues develop already from a young age, and affects one's well-being throughout life. Productivity is reduced, people's health is reduced, and it leads to all sorts of deceases like heart problems and kidney failure, to name a few. It also reduces the immune system's ability to fend off or reduce the severity of viruses and bacterial infections.
Yes, and we are all going to die! Oops, we are. Come on Bart, a little optimism is something we all can use nowadays.
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Alan Klein

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Re: Extreme weather
« Reply #1718 on: April 03, 2020, 01:02:04 pm »

No, the issues develop already from a young age, and affects one's well-being throughout life. Productivity is reduced, people's health is reduced, and it leads to all sorts of deceases like heart problems and kidney failure, to name a few. It also reduces the immune system's ability to fend off or reduce the severity of viruses and bacterial infections.
Did you ever get drunk, black out and have a great time you didn't remember?  :)

LesPalenik

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Re: Extreme weather
« Reply #1719 on: April 05, 2020, 04:34:16 pm »

A new study of the common coronaviruses (prior to Covid-19) - HCoV-NL63, HCoV-OC43 and HCoV-229E - was published last week by scientists at University College London. By analysing samples from multiple years they found high rates of coronavirus infections in winter, while in summer they were very low. Other studies have also shown coronaviruses are seasonal in behaviour in temperate climates. However, they also found that the virus affected also the human immune system. 

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The arrival of spring does not only affect the behaviour of a virus, however. It also produces changes in the human immune system, other researchers point out. “Our immune system displays a daily rhythm, but what is less known is how this varies from season to season,” said immunologist Natalie Riddell at Surrey University.

To find out, Riddell and other researchers at Surrey and Columbia Universities have been studying immune changes in humans at different seasons and different times of day. Biological samples were taken from volunteers at the winter and summer solstices and the spring and autumn equinoxes. Initial findings suggest a subset of white blood cells that play a key role in the immune system appear to be elevated at certain times of day, indicating that the system responds differently at varying times. For example, B cells that produce antibodies were found to be elevated at night.

Impact of seasons on cell rhythms is still under investigation, added the study’s leader, Micaela Martinez of Columbia University. Results would be of considerable importance, she added. “Knowing the vulnerabilities of our body to diseases and viruses across the year could inform the timing of vaccination campaigns that will help us eradicate infections.”

https://www.theguardian.com/world/2020/apr/05/scientists-ask-could-summer-heat-help-beat-covid-19
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