High Tide Flooding

High Tide Flooding Description: Over time, increases in the number of days per year when local sea level rises above identified thresholds for flooding ultimately reflects increases in global sea level.

At each of the tidal gauge stations on the map, emergency managers identified flooding heights related to local impacts such as inundation of low-lying roads or seawater pouring into stormwater systems. Oceanographers compiled these heights for many stations, and then performed statistical analyses on the dataset to establish a threshold flood height at each station. Threshold heights are expressed as distance above the long-term average of the daily highest water level, also known as mean higher high water (MHHW).

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* 1. Use THIS link to navigate to the New Orleans area and click on the blue dot south of New Orleans (the Grand Isle, LA Station). How many high tide flooding days are projected to occur in 2080 under a lower emissions scenario?

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* 2. How easy was it to find this information?

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* 3. How could this be improved?

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* 4. Currently, it is difficult to visualize the historic data for the high tide flooding. How could this visualization be improved?

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* 5. Of the following potential improvements, what would be helpful to you (select all that apply)?

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* 6. Is this visualization useful for your work? Why or why not? What would make it more useful?

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