Kuwait Sand Dunes Analysis

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Questions and Answers

How many sand dunes are scattered within seven dune fields in Kuwait?

  • 2,000 sand dunes
  • 3,000 sand dunes
  • 1,500 sand dunes
  • 2,304 sand dunes (correct)

What are some of the chemical properties analyzed for the sand dunes in Kuwait?

  • Chemical reactions and heat capacity
  • Mineralogical properties and X-ray diffraction (correct)
  • Magnetic field strength and electrical conductivity
  • Density and volume

Which aspect of sand dunes in Kuwait is NOT covered in the chapter?

  • Particle size analysis
  • Dune migrations using satellite images
  • Chemical reactions of sand particles (correct)
  • Statistical properties of sand dunes

What is the length of the longest barchanoid chain dune in Kuwait?

<p>2400 m (A)</p> Signup and view all the answers

Which type of analysis is NOT conducted for the sand dunes in Kuwait?

<p>Density analysis (D)</p> Signup and view all the answers

What is the spectral resolution of the RapidEye satellite imagery used for detecting dune migration in Kuwait?

<p>5 m (A)</p> Signup and view all the answers

How many spectral bands does the PlanetScope satellite imagery consist of for analyzing dune migration in Kuwait?

<p>4 (C)</p> Signup and view all the answers

In what software was the dune shapefile imported for analysis in the study of dune migration in Kuwait?

<p>ArcMap (D)</p> Signup and view all the answers

Which technique was NOT used for the visual interpretation of dune delineation in Kuwait?

<p>Edge detection (B)</p> Signup and view all the answers

How many areas in Kuwait were selected for a random sample of dunes in the study of dune migration?

<p>5 (A)</p> Signup and view all the answers

For how many years were the Level-3A images from Planet Labs used to detect the yearly rate of dune migration in Kuwait?

<p>4 years (C)</p> Signup and view all the answers

How was the total dune displacement calculated?

<p>By determining the distance between the dune's centroid in two different time periods (B)</p> Signup and view all the answers

What is the formula used to measure the volume of barchan and domal dunes?

<p>$4/3 * 3.14 * (Length * width * height)$ (C)</p> Signup and view all the answers

What method is used to calculate the radian values for the direction of dune migration?

<p>Arctangent function (A)</p> Signup and view all the answers

What type of analysis was conducted to identify 26 different micro-features of the sand dunes?

<p>Scanning Electron Microscope (SEM) analysis (C)</p> Signup and view all the answers

Why were some areas excluded from investigating dune migration differences?

<p>Due to limitations in the number of dune samples in those areas (B)</p> Signup and view all the answers

What is essential to ensure good management decisions regarding sampling?

<p>Careful sampling and data analysis (B)</p> Signup and view all the answers

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