Application of Remote Sensing for Geological Mapping

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How do geologists use remote sensing data and GIS in assessing geological hazards?

To reduce costs of exploration efforts
To conduct expensive drilling operations
To conduct mineral exploration
To create hazard zonation maps (correct)

What is one way in which remote sensing assists in mineral exploration?

Minimizing exploration efforts
Conducting extensive fieldwork
Increasing environmental impacts
Analyzing the spectral properties of rocks and minerals (correct)

What role does remote sensing play in environmental monitoring?

Capturing data on water quality
Monitoring environmental changes and ecosystem impacts (correct)
Aiding in invasive drilling methods
Reducing vegetation health

How can remote sensing aid in detecting subsurface features?

By analyzing spectral properties of rocks (D) Signup and view all the answers

What significant benefits does the combination of remote sensing and GIS provide in geological hazard assessment?

Creating hazard zonation maps for disaster management (C) Signup and view all the answers

Why is remote sensing considered an effective tool in identifying potential mineral resources?

By analyzing spectral properties of rocks and minerals (C) Signup and view all the answers

What is the primary purpose of using remote sensing in geological mapping?

To reduce the need for extensive fieldwork (C) Signup and view all the answers

Which of the following is NOT an application of remote sensing in geological mapping?

Climate Change Studies (D) Signup and view all the answers

How does remote sensing contribute to geological mapping of rock types?

By identifying and mapping different types of rocks from a distance (C) Signup and view all the answers

In geological mapping, what is one key benefit of using remote sensing technology?

Reducing the need for skilled geologists on-site (D) Signup and view all the answers

What aspect of geological mapping can remote sensing assist with?

Identification of Geological Hazards (B) Signup and view all the answers

Which activity is NOT typically associated with using remote sensing in geological mapping?

Manual Excavation of Rocks (B) Signup and view all the answers

What is one of the key applications of remote sensing in geological mapping?

Identifying and characterizing geological structures (C) Signup and view all the answers

How do geologists use remote sensing techniques to map different rock types?

By analyzing the spectral signatures of rocks (C) Signup and view all the answers

Which remote sensing techniques are crucial in mapping geological structures with high accuracy and precision?

Interferometry and LiDAR (D) Signup and view all the answers

What do multispectral and hyperspectral sensors on satellites and aircraft help geologists detect?

Subtle variations in the reflectance patterns of rocks (C) Signup and view all the answers

Which geological hazards are assessed and monitored using remote sensing technology?

Landslides, earthquakes, and volcanic eruptions (B) Signup and view all the answers

Why is the identification of geological structures important in geological mapping?

They provide important clues about Earth's geological history (D) Signup and view all the answers