IGNOU MGY 7 SOLVED ASSIGNMENT

Included:

MGY 007 (January 2025 - July 2025) - ENGLISH

Tutor Marked Assignment

MGY-007: Applications of Geoinformatics

Course Code: MGY-007

Assignment Code: MGY-007/TMA/2024-25

Max. Marks: 100

Note: Attempt all questions. The marks for each question are indicated against it. Write all answers in your own words; do not copy from the Self Learning Materials (SLMs). Write your answers in about 200 and 400 words for short and long answers, respectively.

Part A

1. Provide a comprehensive analysis of how moisture affects the spectral signature of soil. Support your answer with well labelled diagrams, wherever required.

2. What is land use land cover? Discuss various land use land cover categories and their spectral characteristics.

3. Write short notes on the following:

a) Different pigments found in leaves and their unique spectral signatures

b) Factors influencing spectral properties of water

c) Applications and challenges surrounding land use/land cover change modelling

d) Satellite remote sensing based monitoring of rainfall

e) Limitations of geoinformatics in the context of climate change study

f) Role of remote sensing in vegetation/forest type mapping

Part B

4. Discuss in detail how geoinformatics is used in landslide related studies.

5. Examine the role of geoinformatics in different domains of defence sector.

6. Write short notes on the following:

a) Potential of geoinformatics in managing forest fire and coal fire incidents

b) Use of remote sensing in monitoring oil spills

c) Application of geoinformatics in monitoring disease outbreaks and their transmission

d) Enumerate use of GIS in urban planning

e) Advantage of microwave remote sensing over optical remote sensing for monitoring of crops and assessment of their condition

f) Advantages and applications of geoinformatics in the study of meteorological disasters

MGY 007 (January 2026 - July 2026) - ENGLISH

Tutor Marked Assignment

MGY-007: Applications of Geoinformatics

Course Code: MGY-007

Assignment Code: MGY-007/TMA/2026

Max. Marks: 100

Note: Attempt all questions. Marks for each question are indicated against it. Write all answers in your own words and handwriting; do not copy from the Self Learning Materials (SLMs). Write your answers in about 300 and 600 words for short notes and long answers, respectively.

Part A

1. Discuss the factors controlling spectral signature of a plant's leaf in different regions.

2. Explain the difference in spectral reflectance of clear water and the water rich in chlorophyll content. Identify the appropriate wavelength regions suitable for monitoring the chlorophyll content in water giving suitable examples.

3. Describe the factors affecting spectral signatures of land use and land cover change giving suitable examples.

4. Write short notes on the following:

a) Soil texture and spectral reflectance

b) Geomorphological mapping

c) Land degradation and soil erosion

d) Statistical sampling and spectral response approach

Part B

5. Discuss in detail the application of geoinformatics in the study of volcanoes.

6. Give an account of the role of remote sensing in management of meteorological disasters.

7. Explain the application of GIS in disease surveillance and the spread of chronic diseases giving suitable examples.

8. Write short notes on the following:

a) Coal fire and forest fire

b) Air and water pollution

c) Flood monitoring and assessment

d) Supply route management

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