1. Meteorology2.Air Pollution Meteorology3.Benefits Of Analyzing Meteorological Data
4. Meteorological Factors Influencing Air Pollution
4.1 Primary parameters
4.1.1 Wind Direction And Speed
4.1.2 Temperature inversion
4.1.3 Atmospheric Stability
4.1.4 Mixing Height or Mixing Depth
4.2 Secondary parameter
4.2.1 Precipitation
4.2.2 Humidity
4.2.3 Solar radiation
4.2.4 Visibility
5. Methods for measurement of meteorological variable
6. Lapse Rate in Air Pollution Meteorology
7. Atmospheric Stability
7.1 Super Adiabatic
7.2 Sub Adiabatic
8. Plume Behaviours
AIR POLLUTION CONTROL course material by Prof S S JAHAGIRDAR,NKOCET,SOLAPUR for BE (CIVIL ) students of Solapur university. Content will be also useful for SHIVAJI and PUNE university students
The attached powerpoint presentation contains information about the Meteorology - 2nd unit in Open Elective - Air Pollution and Control Engineering, for affiliated institutions of Anna University.
OCE551 - Air Pollution and Control Engineering
AIR POLLUTION CONTROL course material by Prof S S JAHAGIRDAR,NKOCET,SOLAPUR for BE (CIVIL ) students of Solapur university. Content will be also useful for SHIVAJI and PUNE university students
AIR POLLUTION CONTROL course material by Prof S S JAHAGIRDAR,NKOCET,SOLAPUR for BE (CIVIL ) students of Solapur university. Content will be also useful for SHIVAJI and PUNE university students
AIR POLLUTION CONTROL course material by Prof S S JAHAGIRDAR,NKOCET,SOLAPUR for BE (CIVIL ) students of Solapur university. Content will be also useful for SHIVAJI and PUNE university students
The attached powerpoint presentation contains information about the Meteorology - 2nd unit in Open Elective - Air Pollution and Control Engineering, for affiliated institutions of Anna University.
OCE551 - Air Pollution and Control Engineering
AIR POLLUTION CONTROL course material by Prof S S JAHAGIRDAR,NKOCET,SOLAPUR for BE (CIVIL ) students of Solapur university. Content will be also useful for SHIVAJI and PUNE university students
AIR POLLUTION CONTROL course material by Prof S S JAHAGIRDAR,NKOCET,SOLAPUR for BE (CIVIL ) students of Solapur university. Content will be also useful for SHIVAJI and PUNE university students
The Gaussian plume model is the most common air pollution model. It is based on a simple formula that describes the three-dimensional concentration field generated by a point source under stationary meteorological and emission conditions.
Unit 3 control of particulate contaminantsChockalingam T
The attached powerpoint presentation contains information about the Control of Particulate Contaminants. It is very useful for students studiying Air Pollution and Control Engineering either as an Open elective or Professional elective.
Everyone can raise a question that how to prevent an Air pollution and so on. So here is our presentation on Control of Air pollution. So using the technique called adsorption sampling is an interesting one to all of the human beings
History of Air pollution and episodes, Sources of air pollution and types, Introduction
to meteorology and transport of air pollution: Global winds, Headley cells, wind rose terrestrial wind profile, Effects of terrain and topography on winds, lapse rate, maximum mixing depths, plume rise
Transport of Pollution in Atmosphere: Plume behaviour under different atmospheric
conditions, Mathematical models of dispersion of air pollutants, Plume behaviour in valley and terrains. Plume behaviour under different meteorological conditions, Concept of isoplates
The Gaussian plume model is the most common air pollution model. It is based on a simple formula that describes the three-dimensional concentration field generated by a point source under stationary meteorological and emission conditions.
Unit 3 control of particulate contaminantsChockalingam T
The attached powerpoint presentation contains information about the Control of Particulate Contaminants. It is very useful for students studiying Air Pollution and Control Engineering either as an Open elective or Professional elective.
Everyone can raise a question that how to prevent an Air pollution and so on. So here is our presentation on Control of Air pollution. So using the technique called adsorption sampling is an interesting one to all of the human beings
History of Air pollution and episodes, Sources of air pollution and types, Introduction
to meteorology and transport of air pollution: Global winds, Headley cells, wind rose terrestrial wind profile, Effects of terrain and topography on winds, lapse rate, maximum mixing depths, plume rise
Transport of Pollution in Atmosphere: Plume behaviour under different atmospheric
conditions, Mathematical models of dispersion of air pollutants, Plume behaviour in valley and terrains. Plume behaviour under different meteorological conditions, Concept of isoplates
This slide show consists of slides related to air pollution .It consists of sources of air pollution, atmospheric stability , classification of air pollutants and other information.
The climate of a region is ultimately determined by the radiation energy of the sun, and its distribution and temporal fluctuations. The long-term state of the atmosphere is a function of a variety of interacting elements. They are: Solar radiation, Air masses, Pressure systems (and cyclone belts),Ocean Currents, and topography.
Air Pollution is the introduction of contaminants into the natural environment that can cause adverse changes in the environment. It takes the form of chemical substance or energy (light, noise or. According to Creilson and Balek 2002); The introduction of harmful particles, biological or chemical molecules into the earth’s atmosphere which alters such environment by affecting the air quality and oxygen content of the air is referred to as pollution.
The troposphere which is an area where the weather can be determined is defined as the lowest layer of the atmosphere which extends from the earth’s surface to a height of about 6-10km. It is in between the troposphere and the stratosphere. Air pollution in the environment has an adverse effect on our daily activities because of weather and climate help in regulating the biospheric, atmospheric and hydrospheric environments.
WRI’s brand new “Food Service Playbook for Promoting Sustainable Food Choices” gives food service operators the very latest strategies for creating dining environments that empower consumers to choose sustainable, plant-rich dishes. This research builds off our first guide for food service, now with industry experience and insights from nearly 350 academic trials.
Artificial Reefs by Kuddle Life Foundation - May 2024punit537210
Situated in Pondicherry, India, Kuddle Life Foundation is a charitable, non-profit and non-governmental organization (NGO) dedicated to improving the living standards of coastal communities and simultaneously placing a strong emphasis on the protection of marine ecosystems.
One of the key areas we work in is Artificial Reefs. This presentation captures our journey so far and our learnings. We hope you get as excited about marine conservation and artificial reefs as we are.
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Willie Nelson Net Worth: A Journey Through Music, Movies, and Business Venturesgreendigital
Willie Nelson is a name that resonates within the world of music and entertainment. Known for his unique voice, and masterful guitar skills. and an extraordinary career spanning several decades. Nelson has become a legend in the country music scene. But, his influence extends far beyond the realm of music. with ventures in acting, writing, activism, and business. This comprehensive article delves into Willie Nelson net worth. exploring the various facets of his career that have contributed to his large fortune.
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Introduction
Willie Nelson net worth is a testament to his enduring influence and success in many fields. Born on April 29, 1933, in Abbott, Texas. Nelson's journey from a humble beginning to becoming one of the most iconic figures in American music is nothing short of inspirational. His net worth, which estimated to be around $25 million as of 2024. reflects a career that is as diverse as it is prolific.
Early Life and Musical Beginnings
Humble Origins
Willie Hugh Nelson was born during the Great Depression. a time of significant economic hardship in the United States. Raised by his grandparents. Nelson found solace and inspiration in music from an early age. His grandmother taught him to play the guitar. setting the stage for what would become an illustrious career.
First Steps in Music
Nelson's initial foray into the music industry was fraught with challenges. He moved to Nashville, Tennessee, to pursue his dreams, but success did not come . Working as a songwriter, Nelson penned hits for other artists. which helped him gain a foothold in the competitive music scene. His songwriting skills contributed to his early earnings. laying the foundation for his net worth.
Rise to Stardom
Breakthrough Albums
The 1970s marked a turning point in Willie Nelson's career. His albums "Shotgun Willie" (1973), "Red Headed Stranger" (1975). and "Stardust" (1978) received critical acclaim and commercial success. These albums not only solidified his position in the country music genre. but also introduced his music to a broader audience. The success of these albums played a crucial role in boosting Willie Nelson net worth.
Iconic Songs
Willie Nelson net worth is also attributed to his extensive catalog of hit songs. Tracks like "Blue Eyes Crying in the Rain," "On the Road Again," and "Always on My Mind" have become timeless classics. These songs have not only earned Nelson large royalties but have also ensured his continued relevance in the music industry.
Acting and Film Career
Hollywood Ventures
In addition to his music career, Willie Nelson has also made a mark in Hollywood. His distinctive personality and on-screen presence have landed him roles in several films and television shows. Notable appearances include roles in "The Electric Horseman" (1979), "Honeysuckle Rose" (1980), and "Barbarosa" (1982). These acting gigs have added a significant amount to Willie Nelson net worth.
Television Appearances
Nelson's char
Natural farming @ Dr. Siddhartha S. Jena.pptxsidjena70
A brief about organic farming/ Natural farming/ Zero budget natural farming/ Subash Palekar Natural farming which keeps us and environment safe and healthy. Next gen Agricultural practices of chemical free farming.
Characterization and the Kinetics of drying at the drying oven and with micro...Open Access Research Paper
The objective of this work is to contribute to valorization de Nephelium lappaceum by the characterization of kinetics of drying of seeds of Nephelium lappaceum. The seeds were dehydrated until a constant mass respectively in a drying oven and a microwawe oven. The temperatures and the powers of drying are respectively: 50, 60 and 70°C and 140, 280 and 420 W. The results show that the curves of drying of seeds of Nephelium lappaceum do not present a phase of constant kinetics. The coefficients of diffusion vary between 2.09.10-8 to 2.98. 10-8m-2/s in the interval of 50°C at 70°C and between 4.83×10-07 at 9.04×10-07 m-8/s for the powers going of 140 W with 420 W the relation between Arrhenius and a value of energy of activation of 16.49 kJ. mol-1 expressed the effect of the temperature on effective diffusivity.
"Understanding the Carbon Cycle: Processes, Human Impacts, and Strategies for...MMariSelvam4
The carbon cycle is a critical component of Earth's environmental system, governing the movement and transformation of carbon through various reservoirs, including the atmosphere, oceans, soil, and living organisms. This complex cycle involves several key processes such as photosynthesis, respiration, decomposition, and carbon sequestration, each contributing to the regulation of carbon levels on the planet.
Human activities, particularly fossil fuel combustion and deforestation, have significantly altered the natural carbon cycle, leading to increased atmospheric carbon dioxide concentrations and driving climate change. Understanding the intricacies of the carbon cycle is essential for assessing the impacts of these changes and developing effective mitigation strategies.
By studying the carbon cycle, scientists can identify carbon sources and sinks, measure carbon fluxes, and predict future trends. This knowledge is crucial for crafting policies aimed at reducing carbon emissions, enhancing carbon storage, and promoting sustainable practices. The carbon cycle's interplay with climate systems, ecosystems, and human activities underscores its importance in maintaining a stable and healthy planet.
In-depth exploration of the carbon cycle reveals the delicate balance required to sustain life and the urgent need to address anthropogenic influences. Through research, education, and policy, we can work towards restoring equilibrium in the carbon cycle and ensuring a sustainable future for generations to come.
Micro RNA genes and their likely influence in rice (Oryza sativa L.) dynamic ...Open Access Research Paper
Micro RNAs (miRNAs) are small non-coding RNAs molecules having approximately 18-25 nucleotides, they are present in both plants and animals genomes. MiRNAs have diverse spatial expression patterns and regulate various developmental metabolisms, stress responses and other physiological processes. The dynamic gene expression playing major roles in phenotypic differences in organisms are believed to be controlled by miRNAs. Mutations in regions of regulatory factors, such as miRNA genes or transcription factors (TF) necessitated by dynamic environmental factors or pathogen infections, have tremendous effects on structure and expression of genes. The resultant novel gene products presents potential explanations for constant evolving desirable traits that have long been bred using conventional means, biotechnology or genetic engineering. Rice grain quality, yield, disease tolerance, climate-resilience and palatability properties are not exceptional to miRN Asmutations effects. There are new insights courtesy of high-throughput sequencing and improved proteomic techniques that organisms’ complexity and adaptations are highly contributed by miRNAs containing regulatory networks. This article aims to expound on how rice miRNAs could be driving evolution of traits and highlight the latest miRNA research progress. Moreover, the review accentuates miRNAs grey areas to be addressed and gives recommendations for further studies.
Diabetes is a rapidly and serious health problem in Pakistan. This chronic condition is associated with serious long-term complications, including higher risk of heart disease and stroke. Aggressive treatment of hypertension and hyperlipideamia can result in a substantial reduction in cardiovascular events in patients with diabetes 1. Consequently pharmacist-led diabetes cardiovascular risk (DCVR) clinics have been established in both primary and secondary care sites in NHS Lothian during the past five years. An audit of the pharmaceutical care delivery at the clinics was conducted in order to evaluate practice and to standardize the pharmacists’ documentation of outcomes. Pharmaceutical care issues (PCI) and patient details were collected both prospectively and retrospectively from three DCVR clinics. The PCI`s were categorized according to a triangularised system consisting of multiple categories. These were ‘checks’, ‘changes’ (‘change in drug therapy process’ and ‘change in drug therapy’), ‘drug therapy problems’ and ‘quality assurance descriptors’ (‘timer perspective’ and ‘degree of change’). A verified medication assessment tool (MAT) for patients with chronic cardiovascular disease was applied to the patients from one of the clinics. The tool was used to quantify PCI`s and pharmacist actions that were centered on implementing or enforcing clinical guideline standards. A database was developed to be used as an assessment tool and to standardize the documentation of achievement of outcomes. Feedback on the audit of the pharmaceutical care delivery and the database was received from the DCVR clinic pharmacist at a focus group meeting.
Meteorological Factors Influencing Air Pollution And Atmospheric Stability Regions
1. Manipal Institute Of Technology,
Manipal
Air & Noise Environment
CIE-5182
MTech Environmental Engineering
Assignment-3&4
Meteorological Factors Influencing Air Pollution
And
Atmospheric Stability Regions
Presented by:
Niranjan.H.M
210950011
3. 1. Meteorology
2.Air Pollution Meteorology
3.Benefits Of Analyzing Meteorological Data
4. Meteorological Factors Influencing Air Pollution
4.1 Primary parameters
4.1.1 Wind Direction And Speed
4.1.2 Temperature inversion
4.1.3 Atmospheric Stability
4.1.4 Mixing Height or Mixing Depth
4.2 Secondary parameter
4.2.1 Precipitation
4.2.2 Humidity
4.2.3 Solar radiation
4.2.4 Visibility
5. Methods for measurement of meteorological variable
6. Lapse Rate in Air Pollution Meteorology
7. Atmospheric Stability
7.1 Super Adiabatic
7.2 Sub Adiabatic
8. Plume Behaviours
Contents
4. 1.What Is Meteorology
• Meteorology is nothing but the climate and
weather of a region.
• Meteorology is the science dealing with the
atmosphere and its phenomena, including both
weather and climate.
5. 2.Air Pollution Meteorology
• Air Pollution meteorology deals with the meteorological
processes near to the earth’s surface which consist of the
impacts of meteorology on air pollutants and the effects of
pollutants on meteorology.
• If the air is still and pollutants are unable to disperse, the
local concentration of pollutants will rise. Strong, turbulent
winds, on the other hand, remove pollutants fast, resulting
in reduced pollutant concentrations.
• The destiny of air pollutants is influenced by air
movements. As a result, any study of air pollution should
also include a look at the weather patterns in the area that is
meteorology
6. 3.Benefits Of Analyzing Meteorological Data:
Identify the source of
pollution.
Predict the occurrence
of inversions and days with
high pollutant concentrations.
Simulate and predict air
quality with the help of
computer models.
7. • Wind Direction And
Speed
• Temperature
inversion
• Atmospheric Stability
• Mixing Height or
Mixing Depth
4.Meteorological Factors Influencing
Air Pollution
Primary Parameters Secondary Parameter
• Precipitation
• Humidity
• Solar radiation
• Visibility
8.
9. 4.1.1.Wind Direction And Speed
Higher wind speeds generally translate to a greater dispersion of air
pollutants, resulting in lower air pollution concentrations in areas with stronger
winds. ... When the air is cooler at night, more stable conditions occur, causing
pollutants to tend to disperse less
10. Why North American cites are not there in the
top 20 air polluted cities list..?
Meteorological Factors :- tornado effect
11. 4.1.2.Temperature inversion
Pollution events are more likely to occur
under temperature inversion conditions.
During extended periods of high pressure in
winter months, solar radiation reaches the
ground, warming it up. At night, the lack of
cloud cover means the ground loses heat
rapidly and the air in contact with the ground
becomes colder. The warmer air rises and
acts as a lid trapping the colder air close to
the ground. so the air layer closest to the
ground becomes more and more polluted
13. 4.1.3.Atmospheric Stability
When the atmosphere is relatively stable, warm air remains above cool air
and creates an inversion layer. Pollutants released below the inversion layer
will remain trapped at ground level and, in the absence of any atmospheric
instability, prevent the upward transport of the pollutant
14. Why North Indian cites are listed in the top-10
air polluted cities list..?
15.
16. 4.1.4. Mixing Height or Mixing Depth
The height above the surface throughout which a pollutant such as
smoke can be dispersed. During times of surface temperature inversions
(typically night time with clear skies), the mixing height goes to zero and
smoke dispersion is minimal.
17.
18. 4.2.1.Precipitation
When the rain washes particulate matter out of the atmosphere and dissolves
gaseous contaminants, it has a scavenging effect. Visibility is improved by
removing particulates. Also, when there is a lot of rain, the air quality is usually
improved. Acid rain can arise when rain dissolves gaseous pollutants like
Sulphur dioxide, causing possible damage to objects and plant.
20. 4.2.2.Humidity
Water vapor plays a key role in a variety of
thermal and photochemical reactions in the
atmosphere. They can dramatically raise the
amount of light scattered by particles
suspended in the air if they are bound to
particles . If corrosive gases, such as Sulphur
dioxide, bond to water molecules, the gas will
dissolve in the water and generate an acid
solution that can harm people and property.
21. Have you noticed thin layer of dust on vehicles
In the early morning..?
22. 4.2.3.Solar radiation
The sun delivers energy to Earth's surface in the
form of solar radiation, called surface solar
radiation (SSR) Cloud cover and aerosols –
particulates like dust or ash, kicked up into the air
or coughed out of smokestacks can disperse or
scatter sunlight, resulting in less of it actually
arriving on Earth
Solar radiation must be monitored for use in
modelling photochemical smog occurrences
because the intensity of sunlight has a significant
impact on the rate of chemical reactions that form
smog. The intensity of sunlight is affected by
cloudiness in the sky, time of day, and geographic
location.
23. 5.Methods for measurement of meteorological
variable
1.Wind
1.1 wind direction recorder
➢Flat plate
➢Splayed vane
➢Aerofoil vane
➢Running average anemography
1.2 wind direction Aflot
➢Pilot
➢Tetroon
➢Kite balloon
➢Radio and radar
➢Smoke trials
25. 4. Temperature measurement
➢Temperature Probe
➢Thermometer
5. Solar radiation measurement
➢Solarimeter
➢Chemical actinometer
Solarimeter
Temperature Probe Thermometer
26. Wind Rose
Wind roses are graphical charts
that characterize the speed and
direction of winds at a location.
Presented in a circular format, the
length of each "spoke" around the
circle indicates the amount of time
that the wind blows from a particular
direction. Colors along the spokes
indicate categories of wind speed.
27. 6. Lapse Rate in Air Pollution Meteorology
❖The rate of change in
temperature as we move up
through the Earth’s atmosphere
is known as the lapse rate
❖When the temperature drops
with elevation, the lapse rate is
positive.
❖It is zero when the temperature
remains constant with elevation
❖When the temperature rises with
elevation the adiabatic lapse rate
is negative. This is
called temperature inversion.
➢ Environmental Lapse Rate: Lapse rate at
which temperature changes in the vertical in
the troposphere
(dT/dz)env = -6.5 K / 1000 metres
➢ Adiabatic Lapse Rate: Lapse rate of a parcel
of air which moves adiabatically in the vertical
(dT/dz)adia = -g/Cp = -9.86 0C / 1000 metres
28. 7.Atmospheric Stability
The degree of atmospheric stability plays a key role in the ability
of atmosphere to disperse the pollutants emitted to it. It is
determined by comparing ELR and ALR.
When
ELR = ALR, the atmosphere is neutrally stable.
ELR > ALR, the atmosphere is super adiabatic and unstable.
ELR < ALR, the atmosphere is sub adiabatic and stable
29. 7.1. Super Adiabatic
Under an unstable atmospheric
condition, the lapse rate is super
adiabatic. The actual temperature
gradient is more negative than the dry
adiabatic temperature gradient. A rising
parcel of air gets warmer and tends to
travel upwards due to increasing
buoyancy. Air from different altitudes
mixes thoroughly. There is rapid
dispersion of pollutants throughout the
entire atmosphere. As a result, this is
highly desirable in pollution prevention.
7.2. Sub Adiabatic
Under a stable atmospheric condition,
the lapse rate is sub-adiabatic. In this
condition, a rising parcel of air gets
denser, cooler and tends to fall back.
The vertical mixing is very less and
the dispersion of pollutants is very
slow.
30. 8. Plume Behaviour
A plume is a column of liquid, gas, or dust that moves
through another fluid, gas, or dust. The term plume is
commonly used to describe things like smoke rising from a
chimney. Depending on the degree of atmospherically
instability, exit velocity from a stack and the prevailing
wind turbulence, the plume emitted from a stack behave in
different ways. Let’s have a look at each one of them.
➢Coning Plume
➢ Fanning Plume
➢Looping Plume
➢Neutral Plume
➢Lofting Plume
➢Fumigating Plume
➢Trapping Plume
31. Reference Sources
• Air Pollution By M.N.Rao & H.V.N Rao
• Environmental Pollution Control Engineering-C.S.Rao
• Vincivilworld.Com
• AIR POLLUTION AND CONTROL ENGINEERING /
{Kanchiuniv.Ac.In}
• Google Images
• Microsoft Bing
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