1 ) One day you are looking through some 150 year old maps in a local historical

Question

1)      One day you are looking through some 150 year old maps in a local historical society near an urban area as a part of a study. What would you likely notice about the amount of wetlands on those compared to today?

a)       Wetlands have increased in area

b)      Wetlands have decreased in area.

c)       Wetlands have remained about the same

A) XYZ

B) XYY

C) X+Y+Y

D) X+Y+Z

A) Hotel 1 because they will experiencec beach nourishment

B) Hotel 1 because they will experience beach erosion

C) Hotel 3 because they will experience beach nourishment

D) Hotel 3 because they will experience beach erosion

A) Point A

B) Point B

C) Point C

Question 15 Use the following idealized stream channel to answer this question. bank Ystram velocity-Z stream velocity What is the discharge?

Explanation / Answer

1. Answer is Option A. The wet lands will be increased in the 150 year old map compared to today. Urbanization, colonisation, infrastructural development etc will leads to the destruction of wetlands.

2. Answer is Option A. The formula for discharge = Stream velocity x Area of cross section. Here XY is the area and Z is the cross sectional area. Thus disharge becomes XYZ

Note: Area = Length X Breadth because of rectangular shape

3. Answer is Option A. Once the groin is constructed from the Hotel 2, sand will be dumped against the flow of longshore current. The current is flowing from east to west, so when the groin is constructed, it will hinder the sediments and sand will be dumped on the eastern side of the groin, where Hotel 1 is located.

4. Answer is Option A. Gradient = Vertical difference in elevation / horizontal distance. Vertical difference in elevation is maximum for Point A and so the gradient will be maximum at A.

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