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Mangawhai-Pakiri Case study - Statistics
General Stats
- This quiz has been taken 10 times
- The average score is 11 of 19
Answer Stats
| Hint | Answer | % Correct |
|---|---|---|
| What is the population of Auckland in millions? | 1.5 | 100%
|
| What year did mining end in Mangawhai but continued at Pakiri? | 2005 | 100%
|
| What % of New Zealand's GDP is Auckland accountable for? | 35 | 100%
|
| How many km north of Auckland is the coastline? | 50 | 100%
|
| How many years has there been nearshore dredging between Mangawhai and Pakiri? | 70 | 100%
|
| What is the current rate of extraction of sand in m*3/year from (2005-2020)? | 75,000 | 100%
|
| What period was the sand deposited along the coastline? | Holocene | 100%
|
| Is sand a renewable or non-renewable source? | Non-renewable | 100%
|
| What is a use of the the mined sand? | construction | concrete making | glass manufacturing | beach replenishment | 67%
|
| What is the previous rate of extraction of sand in m*3/year (1994-2004)? | 165,000 | 33%
|
| What year did a storm cause a breach at Mangawhai spit? | 1978 | 33%
|
| How many millions of tourists visited Auckland's costal regions as of 2015? | 2.3 | 33%
|
| What was the size of this breach in m? | 28 | 33%
|
| What % of New Zealand's population live in Auckland? | 33 | 33%
|
| How many years ago was this period? | 9000 | 33%
|
| What is the length in m of estimated long-term coastal retreat by the end of the century? | 35 | 0%
|
| What landforms are becoming more vulnerable? | {Dunes} and {Spits} | 0%
|
| What had altered currents led to in Mangawhai’s harbour | Sedimentation | 0%
|
| What is happening to beaches starved of sediment? | {Wider} and {Flatter} | 0%
|
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