Question 6. Why were the During For each Which of 10. Which of dunes reduced? which time survey transect the 3 transects the profiles Provide some period did the location (1-3) shows the shows the explanation greatest amount indicate greatest greatest about where of erosion take along the amount of net amount of this sediment place on the transect the deposition in net may have gone. island relative most significant the dunes deposition in to the baseline erosion take during the the survey date of place during the intertidal February 1, three survey Alberto zone during 2008. Explain dates. For recovery time the why you think example did the period? that this erosion most amount of Alberto took place. erosion on recovery transect 1 take time period? place at the beach face or in the dunes between the first and third survey? 4 points Identifies and Identifies when Correctly Correctly Correctly describes why most substantial discusses erosion identifies the identifies the dunes were erosion took place of each transect transect and transect and reduced and and provides with strong provides provides provides strong strong observations. observations observations justification for justification for justifying the justifying the where sediment why the erosion conclusion. conclusion. may have been took place. transported. 3 points Identifies and Identifies when Correctly Correctly Correctly describes why most substantial discusses erosion identifies the identifies the dunes were erosion took place of each transect transect and transect and reduced and and provides with moderate provides some provides provides brief justification for observations. observations some justification for why the erosion justifying the moderate where sediment took place. conclusion. observations. may have been transported. 2 points Identifies and Identifies when Correctly Correctly Correctly describes why most substantial discusses erosion identifies the identifies the dunes were erosion took place of at least one transect and transect with reduced and very but provides weak transect with provides weak weak weak justification justification for moderate observations observations for where why the erosion observations. justifying the and no sediment may took place. conclusion. No mention of have been mention of other other transported. transects. transects.
Question 6. Why were the dunes reduced? Provide some explanation about where this sediment may have gone. During which time period did the greatest amount of erosion take place on the island relative to the baseline survey date of February 1, 2008. Explain why you think that this erosion took place. For each survey transect location (1-3) indicate along the transect the most significant erosion take place during the three survey dates. For example did the most amount of erosion on transect 1 take place at the beach face or in the dunes between the first and third survey? Which of the 3 transects shows the greatest amount of net deposition in the dunes during the Alberto recovery time period? 10. Which of the profiles shows the greatest amount of net deposition in the intertidal zone during the Alberto recovery time period? 4 points Identifies and describes why dunes were reduced and provides strong justification for where sediment may have been transported. Identifies when most substantial erosion took place and provides strong justification for why the erosion took place. Correctly discusses erosion of each transect with strong observations. Correctly identifies the transect and provides observations justifying the conclusion. Correctly identifies the transect and provides observations justifying the conclusion. 3 points Identifies and describes why dunes were reduced and provides brief justification for where sediment may have been transported. Identifies when most substantial erosion took place and provides justification for why the erosion took place. Correctly discusses erosion of each transect with moderate observations. Correctly identifies the transect and provides some observations justifying the conclusion. Correctly identifies the transect and provides some moderate observations. 2 points Identifies and describes why dunes were reduced and very weak justification for where sediment may have been transported. Identifies when most substantial erosion took place but provides weak justification for why the erosion took place. Correctly discusses erosion of at least one transect with moderate observations. Correctly identifies the transect and provides weak observations justifying the conclusion. No mention of other transects. Correctly identifies the transect with weak observations and no mention of other transects.
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