EMIT Mission - Environment Notes

Q: Question: What is Methane?

Answer: Methane, with the molecular formula CH4, is the most basic of saturated compounds. It is the most basic alkane, with four hydrogen atoms and one carbon element. Natural methane that reaches the top of the atmosphere is known as atmospheric methane, and it can be found both beneath the seafloor and beneath the earth. It has no hue and is odourless or has a sweet oil-like odour.

Q: Question: What is the EMIT Mission?

Answer: NASA developed EMIT (Earth Surface Mineral Dust Source Investigation) to help specialists comprehend how dust affects climate. It can also pinpoint the source of the harmful carbon dioxide. NASA's Earth Surface Mineral Dust Source Investigation (EMIT) study is mapping the spread of key minerals in the world's dusty deserts.

Q: Question: What is NASA?

Answer: The National Aeronautics and Space Administration (NASA) is the executive arm of the United States federal government's autonomous body in charge of the civilian space program, as well as aeronautics and aerospace science. The National Aeronautics and Space Act of 1958 established NASA.

EMIT (Earth Surface Mineral Dust Source Investigation) was created by NASA to assist experts in understanding how dust influences climate. It can also identify the source of the dangerous carbon gas. The Earth Surface Mineral Dust Source Investigation (EMIT) project of NASA is mapping the distribution of important minerals in the planet's dust-producing deserts. This is critical knowledge that will help us comprehend the effects of airborne dust on climate. This article explains that the EMIT Mission is important for UPSC IAS exam preparation.

Table of Contents

EMIT Mission
EMIT Mission - Objectives
Conclusion
FAQs
MCQs

EMIT Mission

NASA's Earth Surface Mineral Dust Source Investigation instrument, or EMIT, has aided scientists from the National Aeronautics and Space Administration (NASA) in identifying methane in the Earth's atmosphere.
The Earth Surface Mineral Dust Source Investigation (EMIT) is an Earth Ventures-Instrument (EVI-4) Mission that uses imaging spectroscopy in the visible and short-wave infrared ranges to characterise the mineral makeup of arid dust source areas.
The source area maps are used to simulate the function of mineral dust in radiative forcing (warming or cooling) of the atmosphere. From outside the International Space Station, the device watches Earth.
In July 2022, EMIT was deployed on the International Space Station. It has since been tracking the chemical makeup of dust in the world's regions.
It is capable of focusing on regions as tiny as a football pitch.
EMIT was created to investigate how pollution affects temperature. However, it has proven another critical capability: the detection of methane, a powerful greenhouse gas in the Earth's atmosphere.

(EMIT Mission)

Other Relevant Links
Adaptation Gap Report	Methane Global Tracker Report
Global Methane Hub	Global Methane Assessment 2030:Baseline Report
Global Methane Initiative	Global Methane Pledge
Climate and Clean Air Coalition	International Methane Emissions Observatory
MARS - Methane Alert Response System	Biomethanation

EMIT Mission - Objectives

To collect remote-sensing measurements of the abundance of surface minerals — specifically, hematite, goethite, illite, vermiculite, calcite, dolomite, montmorillonite, kaolinite, chlorite, and gypsum — in arid regions of Africa, Asia, North America, South America, and Australia between 50 degrees south and north latitudes.
To provide a more accurate evaluation of mineral dust's heating and cooling impacts in the Earth's atmosphere.
Improve forecasts of how future climate situations may affect the quantity and type of mineral dust released into the Earth's atmosphere.

Conclusion

NASA developed EMIT (Earth Surface Mineral Dust Source Investigation) to help specialists comprehend how dust affects climate. It would also help the Paris Agreement's goal of limiting world average temperature rise to 1.5°C. Restricting methane pollution is critical to restricting global warming. EMIT's latest discovery will help academics better identify methane breaches and provide insight into how to resolve them swiftly.

Other Relevant Links
Environment Notes	Miscellaneous Topics in Environment
Methanol Economy - Conversion of high Coal Ash Coal to Methanol	List of environmental acts
India's Greenhouse Gas Emissions	Institutions and Measures to save the Environment

FAQs

Question: What is Methane?

Answer:

Methane, with the molecular formula CH4, is the most basic of saturated compounds. It is the most basic alkane, with four hydrogen atoms and one carbon element. Natural methane that reaches the top of the atmosphere is known as atmospheric methane, and it can be found both beneath the seafloor and beneath the earth. It has no hue and is odourless or has a sweet oil-like odour.

Question: What is the EMIT Mission?

Answer:

NASA developed EMIT (Earth Surface Mineral Dust Source Investigation) to help specialists comprehend how dust affects climate. It can also pinpoint the source of the harmful carbon dioxide. NASA's Earth Surface Mineral Dust Source Investigation (EMIT) study is mapping the spread of key minerals in the world's dusty deserts.

Question: What is NASA?

Answer:

The National Aeronautics and Space Administration (NASA) is the executive arm of the United States federal government's autonomous body in charge of the civilian space program, as well as aeronautics and aerospace science. The National Aeronautics and Space Act of 1958 established NASA.

MCQs

Question: Which of the following statements is/are correct about the EMIT Mission?

EMIT mission is an Earth Ventures-Instrument (EVI-4) Mission to characterise the material makeup.
EMIT was deployed on the International Space Station in July 2022.

Select the correct answer using the code given below.

(a) 1 only

(b) 2 only

(d) Neither 1 nor 2

Answer: (d) See the Explanation

The Earth Surface Mineral Dust Source Investigation (EMIT) is an Earth Ventures-Instrument (EVI-4) Mission that uses imaging spectroscopy in the visible and short-wave infrared ranges to characterise the mineral makeup of arid dust source areas. Hence, statement 1 is correct.
The source area maps are used to simulate the function of mineral dust in radiative forcing (warming or cooling) of the atmosphere. From outside the International Space Station, the device watches Earth.
In July 2022, EMIT was deployed on the International Space Station. It has since been tracking the chemical makeup of dust in the world's regions. It can zero in on regions as tiny as a football pitch. Hence, statement 2 is correct.

Therefore, option (d) is the correct answer.

Question: Consider the following: (UPSC 2019)

Carbon monoxide
Methane
Ozone
Sulphur dioxide

Which of the above are released into the atmosphere due to the burning of crop/biomass residue?

(a) 1 and 2 only

(b) 2, 3 and 4 only

(d) 1, 2, 3 and 4

Answer: (d) See the Explanation

Biomass is an organic material produced from vegetation and animals that is a renewable source of energy.
The Sun's energy is stored in vegetation. Photosynthesis is the process by which plants absorb energy from the Sun. When foliage is burned, the molecular energy in it is released as heat.
Biomass combustion, which includes burning agricultural residue and woodland fires, is a major source of carbon dioxide (CO2), carbon monoxide (CO), methane (CH4), volatile organic compounds (VOC), and nitrogen oxides. (NOX).
When rice harvest refuse is burned, suspended particulate matter, SO2, NO2, and O3 are released into the environment.

Therefore, option (d) is the correct answer.

Other Relevant Links
Indian Polity Notes	Indian Economy Notes
Art and Culture Notes	Governance Notes
Ancient India History Notes	Medieval India History Notes
Modern India History Notes	Geography Notes
Science And Technology Notes	Environment And Ecology Notes
Post Independence Notes	Society Notes
Internal Security Notes	Ethics Notes
Disaster Management Notes	World History
International Relations	Social Justice Notes
CSAT Notes	Government Scheme Notes