ACTIVITY Name In planning for global mean sea level, but regional trends should

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ACTIVITY Name In planning for global mean sea level, but regional trends should alsobe A. Imagine that you are planning to bury ashorefront propl 15.4 The Threat of Rising Se as and safe and are many peedictions of future rises in inOcean City, Maryland, this year You plan so use the property Phs or minus" ervor, whar has been the minimam case and the maximum rae many continnse oo rian. There aso be considered as in these esamples mean sea level 2010 has been 5.48 of mean sea level rise here in mmlyr p y The frome door of the peoperty was four fees in 2010 he next 50 the peoperty and Atmospheric Adminiseration, the hinoric rate of sea level rise hene since 1975 mm/yr maximum rate mm/yr minimum rateb h over the next 50 years m rates abowe, calculate how much sca level will rise in mm and inches ar Ocean City inches minimam mm minimum b. mm maximum d position of sea level berween low and high tides. High tides occasionally reach 2.9 feet inches maximum 3. Mean sea level is the average position of sea level an additional fooe (0.3 m). When Hurricane (0.88 m) above mean sea level here, and seoem surpes ofen raise sca Sandy passed offshore of Ocean City in 2012, the storm surge caused a total storm tide of 3.59 feet. Given these nua prospect of sea level rise calculated above, would it be a wise decision to purchase the shorefront property that you planned to buy? Explain your reasoning. 4. The City of Ocean City expects the following temporary increases in sea level due to storm surges in hurricanes. How would this affect your purchasing decision? Why? Category 1 hurricane: 74-95 mph winds, Scorm Surge: 4-5 feet Category 2 hurricane: 96-110 mph winds, Storm Surges 6-8 feet Category 3 hurricanes 111-130 mph winds, Storm Surge: 9-12 feet Category 4 hurricane: 131-155 mph winds, Storm Surge: 13-18 feet Category 5 hurricane: 156 mph winds, Storm Surge: more than 18 feet 5 feet, what would you suggest as the contour line below which construction of the living/working loor of homes should not occur along the Occan City coast? Explain. 5. REFLECT& DISCUSS Given the fact that most existing topographic maps of coastal areas have contour intervals of

Explanation / Answer

1) minimum rate = 5.48 - 1.67 = 3.81 mm/yr

maximum rate = 5.48 + 1.67 = 7.15 mm/yr

2) Minimum : 3.81*50 = 190.5 mm =7.5 in =0.63 ft

Maximum: 7.15*50 = 357.5 mm = 14.07 in = 1.17ft

3) WHile planning for future we must always be prepared for the worst case scenario. The high tide might reach up to 2.9 ft. The maximum rise over next 50 years is 1.17 ft. Therefore, during high tides the water might rise upto 2.9+1.17 = 4.07 ft. Any smallest of the storm will also make the house highly vulnerable to disaster. A storm surge might rise the sea level by 1ft, even the minimum rise is 0.63 ft and total surge with high tidal factor is 0.63+1+2.9 = 4.53ft. Whereas the property is only 4ft above MSL. Therefore, it would not be a wise decission to the property.

4) This would make me not go for the property as even the least impactful category 1 hurricane can also cause a surge above 4 ft.

5) The average storm surge = 1 ft, maximum sea level rise = 1.17 ft and the tidal increae = 2.9 ft. Total = 5.07 ft

The most economic rational would also suggest that below the 10 ft above MSL contour line there must not be any construction. Playing it safe, we can move this restriction up to 20 ft line so as to be absolutely safe even fr category 5 hurricane.

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