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#Atmospheric Science
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Impacts of coronavirus lockdowns: New study collects data on pollutants in the atmosphere
Impacts of coronavirus lockdowns: New study collects data on pollutants in the atmosphere
One consequence of the coronavirus pandemic has been global restrictions on mobility. This, in turn, has had an effect on pollution levels in the atmosphere. Researchers from across the world are using this unique opportunity to take measurements, collect data, and publish studies. An international team led by Forschungszentrum Jülich’s Institute of Climate and Energy Research – Troposphere has…
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Scientists identify severe asthma species, show air pollutant as likely contributor
Scientists identify severe asthma species, show air pollutant as likely contributor
Asthma afflicts more than 300 million people worldwide. The most severe manifestation, known as non-Th2, or non-atopic childhood asthma, represents the majority of the cases, greater than 85%, particularly in low-income countries, according to Hyunok Choi (https://health.lehigh.edu/faculty/choi-hyunok), an associate professor at the Lehigh University College of Health…
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Study calls for urgent climate change action to secure global food supply
Study calls for urgent climate change action to secure global food supply
New Curtin University-led research has found climate change will have a substantial impact on global food production and health if no action is taken by consumers, food industries, government, and international bodies. Published in one of the highest-ranking public health journals, the Annual Review of Public Health, the researchers completed a comprehensive 12-month review of published…
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fumpkins · 2 years ago
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NASA-NOAA satellite finds winds tearing Tropical Depression Isaac apart
IMAGE: OnSept. 14, 2018 at 1: 36 a.m. EDT (0536 UTC) the VIIRS instrument aboard NASA-NOAA’s Suomi NPP satellite caught an infrared picture of Tropical Depression Isaac in the eastern Caribbean … view more 
Credit: NOAA/NASA/NRL
NASA-NOAA’s Suomi NPP satellite passed over hurricane Isaac in the eastern Caribbean Sea and it has actually deteriorated to a depression as an outcome of being hammered by vertical wind shear.
Northwesterly shear continues to take a toll onIsaac In basic, wind shear is a procedure of how the speed and instructions of winds modification with elevation. Winds at various levels of the environment pressed versus the round blood circulation center and manipulated it, compromising the rotation.
OnSept. 14 at 1: 36 a.m. EDT (0536 UTC) the Visible Infrared Imaging Radiometer Suite (VIIRS) instrument aboard NASA-NOAA’s Suomi NPP satellite caught an infrared picture of Tropical Depression Isaac in the eastern CaribbeanSea VIIRS revealed wind shear was tearing the stormapart The coldest cloud leading temperature levels of greatest thunderstorms were as cold as minus 70 degrees Fahrenheit/ minus 56.6 degrees Celsius and were restricted to one location of the storm.
TheNational Hurricane Center or NHC stated “Although the system is still producing locations of deep convection, [satellite imagery] suggested that the blood circulation had actually ended up being even less specified.
Moderate to strong northwesterly shear and dry mid-level air are most likely to trigger extra weakening, and Isaac is anticipated to deteriorate into an open wave within the next numerous days, however this might happen rather if the existing patterns continue.”
At 5 a.m. EDT (0900 UTC), the center of Tropical Depression Isaac lay near latitude 15.0 degrees north and longitude 65.5 degrees west. That’s about 190 miles (310 km) south-southwest ofSt Croix. The depression is approaching the west near 15 miles per hour (24 kph), and this basic movement with some reduction in forward speed is anticipated over the next couple of days. Maximum continual winds have actually reduced to near 35 miles per hour (55 kph) with greater gusts. Isaac is anticipated to slowly deteriorate over the next couple of days, and might deteriorate into a tropical wave at any time.
On the projection track, Isaac will move over the eastern and main Caribbean Sea throughout the next couple of days.
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For upgraded projections, check out: http://www.nhc.noaa.gov
ByRob Gutro (with details from NHC) . NASA’s Goddard Space Flight Center .
Disclaimer: We can make errors too. Have a great day.
New post published on: https://livescience.tech/2018/09/15/nasa-noaa-satellite-finds-winds-tearing-tropical-depression-isaac-apart/
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chrysa1lism · 19 days ago
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the severe weather outlook for march 28th, 2021. the overall overview is on the left and tornado probability is on the right.
there is currently (2:10 am est 3/28/21) a line of storms in the tennessee, mississippi, alabama area that has some on and off radar indicated rotation, meaning the storms could possibly put down a tornado. please stay safe everyone !!
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fuckyeahfluiddynamics · 22 days ago
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When rotating, fluids often act very differently than we expect. For example, an obstacle in a rotating flow will deflect flow around it at all heights. This is known as a Taylor column. (Image credit: DIYnamics)
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fumpkins · 2 years ago
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Researchers develop an operative complex scheme for short-range weather forecasts
IMAGE: Mean outright mistakes ( ° C) of (a) minimum and (b) optimum air temperature level forecasts for Moscow,St Petersburg, and Yakutsk for the duration of January 1, 2016-June30,2017 (1)Meteoinfo ru; … view more 
Credit: V. A. Gordin, Higher School of Economics
Staff members from the Higher School of Economics and the Hydrometeorological Centre of Russia have actually proposed a brand-new operative scheme for the short-range complex forecasting of wind and possible gusts, surface area air temperature level, and humidity. The results, i.e., price quotes of typical projection mistakes at various preparations and their contrast with rivals’ outcomes, were released in the journal && laquoRussianMeteorology and Hydrology“: https://doi.org/10.3103/S1068373918070026, https://doi.org/10.3103/S1068373918080010.
The authors utilized a number of worldwide and local hydrodynamic weather forecasting plans: UKMO – United Kingdom Meteorological Office (UK), NCEP – National Center for Environmental Prediction (U.S.A.), JMA – Japan Meteorological Agency (Japan), PLAV – Hydrometeorological Center of Russia, Cosmo- Ru7 – Hydrometeorological Center of Russia, Cosmo- Ru13 – Hydrometeorological Center of Russia, and WRF-18 – Hydrometeorological Center ofRussia Methods of time series analysis were used to the forecasts of these plans for 2,800 synoptic stations. Machine knowing assisted researchers to develop a detailed projection to enhance the quality of existing plans. .
‘We take in outcomes of a number of plans – Russian and foreign – and process them together, utilizing genuine information from countless synoptic stations for many years of observations. These big archives assist us to get a particular mix of information and to enhance the outcomes, that is, to lower the mistake compared to the very best of the evaluated information,’ states Vladimir Gordin, Professor in the Department of Mathematics at the HSE Faculty of Economic Sciences and among the research study’s authors. .
ProfessorGordin likewise discussed how this scheme can be utilized in practice: ‘An effective system of meteorological observations was arranged in the USSR. It was decreased in size, barely and gradually improved, however it still runs in some way. Russian determining gadgets have actually mainly been changed by imported ones. There are a great deal of issues in this sphere in Russia, and these gadgets (even automated weather stations) are now for sale. Let’s envision that some company, business or perhaps private wishes to acquire such a weather station. The gadget has little worth to the purchaser who feels the weather outside without the station. But if the purchaser signs up, gets an private callsign (number) and transfers measurements routinely and effectively, our scheme will assist the individual to get forecasts for a number of days in reaction particularly for his area. Such forecasts, if they are precise and prompt, can be available in useful for a factory or a health centre administration, anglers, transportation operators, contractors, and power engineers. Our weather projection scheme assists, for example, to considerably clarify the per hour projection for energy intake for the areas of the Russian Federation or the everyday variety of ambulance sees for specific groups of medical diagnoses.’ .
The established approach assists to get more precise weather forecasts for 2,800 points in Russia, Eastern Europe and Central Asia, and the forecasts for 240 Russian cities are published on the site http://method.meteorf.ru/ansambl/ansambl.html (there are likewise branches for cities in Belarus and Central Asia). .
The authors compared the mistakes of the minimum and optimum temperature level for a number of popular websites on the archive from January 2016 to June 2017 for Moscow,St Petersburg andYakutsk Forecasts have various preparations. Figure 1 reveals mean outright mistakes of these forecasts for a year and a half. For contrast, mistakes of these forecasts under the brand-new scheme (KOMPL-B) with a preparation of as much as 4 days – if the estimations were executed utilizing this alternative throughout that time duration – are likewise revealed here. .
It has actually been revealed that the precision of the complex projection of the minimum temperature level as much as 4 days and the optimum temperature level as much as 2 days by means of KOMPL-B is the greatest in this competitors, however it then is up to 2nd location followingIntellicast com, which has the more precise projection. .
The authors likewise established a scheme of squall (unsafe gusts of wind) forecasts, and developed a system that creates more precise information on the threat of wind and minimizes incorrect alarms. The latter is really crucial, as each incorrect alarm trigger financial loss and lost trust amongst users of the projection. .
After establishing a brand-new complex projection, the authors compared the forecasted speed of gusts in various plans with the real speed. They checked the squall projection individually in winters of 2015-17(14 months from October to April) and in warm seasons of 2015-16(10 months from May to September), considering the particular attributes for the European and Asian parts ofRussia At the very same time, various projection preparation were evaluated – 12, 24 and 36 hours. It was revealed that the scheme of the complex projection for the squalls likewise reveals more precise details. .
Although the outcomes were acquired a year previously released, they were released in the summertime of 2018, enabling the complex forecasting scheme to work more properly. .
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Disclaimer: We can make errors too. Have a great day.
New post published on: https://livescience.tech/2018/10/24/researchers-develop-an-operative-complex-scheme-for-short-range-weather-forecasts/
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fuckyeahfluiddynamics · 24 days ago
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Fallstreak Holes
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Occasionally clouds appear to have a hole in them; these are known as fallstreak holes or hole-punch clouds. (Image credit: J. Stevens/NASA; via NASA Earth Observatory) Read the full article
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fuckyeahfluiddynamics · a month ago
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Blue jets are a mysterious form of lightning that shoots upward from intense thunderstorms. This image comes from one of the first color videos of blue jets, taken by an astronaut aboard the International Space Station. (Image credit: ESA/NASA/DTU Space; via NASA Earth Observatory)
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fuckyeahfluiddynamics · a month ago
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Spiderwebs and Stratocumulus Clouds
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Stratocumulus clouds cover about 20% of Earth's surface at any given time, and they form distinctive patterns of lumpy cells separated by thin slits. Because of their interconnectedness, researchers nicknamed these narrow regions spiderwebs. (Image credits: featured image - L. Dauphin/MODIS, others - UConn ME 3250; research credit: G. Matheou et al.) Read the full article
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squareallworthy · a month ago
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Congratulations to Jakub Kubečka, Ivo Neefjes, and Vitus Besel of the University of Helsinki for winning first place in the 13th annual Dance Your PhD Contest.
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lolmythesis · 2 months ago
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Figuring out where, how much, and what type of precipitation will fall over a mountain is complicated, so yay job security?
Atmospheric Science, University of Michigan - Ann Arbor
Exploring the Microphysical and Environmental Controls on Orographic Precipitation in an Atmospheric River Environment 
(Link to research)
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nuadox · 3 months ago
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Study: Upper ocean temperatures hit record high in 2020
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- By Institute of Atmospheric Physics -
Even with the COVID-19-related small dip in global carbon emissions due to limited travel and other activities, the ocean temperatures continued a trend of breaking records in 2020. A new study, authored by 20 scientists from 13 institutes around the world, reported the highest ocean temperatures since 1955 from surface level to a depth of 2,000 meters.
The report was published on January 13 in Advances in Atmospheric Sciences and concluded with a plea to the policymakers and others to consider the lasting damage warmer oceans can cause as they attempt to mitigate the effects of climate change.
"Over 90% of the excess heat due to global warming is absorbed by the oceans, so ocean warming is a direct indicator of global warming -- the warming we have measured paints a picture of long-term global warming," said Dr. CHENG Lijing, lead paper author and associate professor with the International Center for Climate and Environmental Sciences at the Institute of Atmospheric Physics (IAP) of the Chinese Academy of Sciences (CAS). CHENG is also affiliated with CAS's Center for Ocean Mega-Science. "However, due to the ocean's delayed response to global warming, the trends of ocean change will persist at least for several decades, so societies need to adapt to the now unavoidable consequences of our unabated warming. But there is still time to take action and reduce our emissions of greenhouse gases."
Using a method developed at IAP/CAS, the researchers calculated the ocean temperatures and salinity of the oceans down to 2,000 meters with data taking from all available observation from various measurement devices from the World Ocean Database, which is overseen by the National Oceanic Atmospheric Administration and the National Center for Environmental Information.
They found that, in 2020, the upper 2,000 meters of the world's oceans absorbed 20 more Zettajoules than in 2019. That amount of heat could boil 1.3 billion kettles, each containing 1.5 liters of water.
"Why is the ocean not boiling?" CHENG asked. "Because the ocean is vast. We can imagine how much energy the ocean can absorb and contain, and, when it's released slowly, how big the impact is."
The researchers reported other effects, such as ocean salinity pattern amplification and more stratification due to the upper layer warming quicker than the deeper sections. Both changes could cause harm to ocean ecosystems.
"The fresh gets fresher; the salty gets saltier," CHENG said. "The ocean takes a large amount of global warming heat, buffering global warming. However, the associated ocean changes also pose a severe risk to human and natural systems."
CHENG noted the 2020 wildfires that ravaged Australia, parts of the Amazon region, and the west coast of the United States.
"Warmer oceans and a warmer atmosphere and also promote more intense rainfalls in all storms, and especially hurricanes, increasing the risk of flooding," CHENG said. "Extreme fires like those witnessed in 2020 will become even more common in the future. Warmer oceans also make storms more powerful, particularly typhoons and hurricanes."
The researchers will continue to monitor the ocean temperatures and the impacts warming has on other oceanic characteristics, such as salinity and stratification.
"As more countries pledge to achieve 'carbon neutrality' or 'zero carbon' in the coming decades, special attention should be paid to the ocean," CHENG said. "Any activities or agreements to address global warming must be coupled with the understanding that the ocean has already absorbed an immense amount of heat and will continue to absorb excess energy in the Earth's system until atmospheric carbon levels are significantly lowered."
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Header image: Fishing boats amidst "Arctic sea smoke" near Qingdao, China on January 7th. Arctic sea smoke is a result of frigid air passing over relatively warm water; the phenomenon is rare, even in the Arctic. Credit: Shaoqing Wang.
Source: Institute of Atmospheric Physics, Chinese Academy of Sciences
Full study: “Upper Ocean Temperatures Hit Record High in 2020″, Advances in Atmospheric Sciences.
https://doi.org/10.1007/s00376-021-0447-x
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With the right carbon price path there is no need for excessive CO2 removal
With the right carbon price path there is no need for excessive CO2 removal
Technologies to remove CO2 from the atmosphere, such as reforestation or bioenergy with carbon capture and storage (BECCS), are an indispensable part in most scenarios to limit climate change. However, excessive deployment of such technologies would carry risks such as land conflicts or enhanced water scarcity due to a high demand for bioenergy crops. To tackle this trade-off, a team of…
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istiportal · 3 days ago
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Council of Scientific & Industrial Research (CSIR) is an autonomous organization established for the progress of science and technology in India. It identifies natural resources & develops those resources for industrial development in the country. It has a massive workforce including, renowned scientists & professionals with great scientific knowledge. CSIR established CSIR Fourth Paradigm Institute (CSIR-4PI) to develop mathematical modeling & computer-based simulations that could provide real help in scientific research.
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gaianlight · 6 days ago
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An ozone generator can be used for disinfection.
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clarksvilleonline · 10 days ago
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NASA’s Ingenuity Mars Helicopter makes it through First Night on Mars
NASA’s Ingenuity Mars Helicopter makes it through First Night on Mars #clarksville #clarksvilletn #montgomerycounty #nasa #space #science #mars #ingenuity #marshelicopter #perseverancerover #news #jezerocrater
Washington, D.C. – NASA’s Ingenuity Mars Helicopter has emerged from its first night on the surface of Mars. Evening temperatures at Jezero Crater can plunge as low as minus 130 degrees Fahrenheit (minus 90 degrees Celsius), which can freeze and crack unprotected electrical components and damage the onboard batteries required for flight. Surviving that first night after being deployed from where…
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fringeradionetwork · 15 days ago
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Julian Charles The Snowosphere with Doctor Malcalm B Splead
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