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Table 4 Summary of the data compared per research question. The samples compared differed in the geography used to aggregate data or the year in which the data was collected

From: Shifting landscapes of coastal flood risk: environmental (in)justice of urban change, sea level rise, and differential vulnerability in New York City

RQ

Focus

Data to compare

Comparison across

Sample 1

Sample 2

Geography

Data source / year

Geography

Data source / year

1

Flood risk changes across time within the effective SFHA.

Exposure and vulnerability indicators.

Time

Effective floodplain.

MapPLUTO 2007; ACS 2006–2010.

Effective floodplain.

MapPLUTO 2018; ACS 2013–2017.

2

Flood hazard changes due to the shift from effective to preliminary SFHA.

Total and % area flooded, according to the effective and the preliminary floodplains.

Space

Effective floodplain.

FEMA Mapping Service center (n.d.); FEMA 2007.

Preliminary floodplain.

FEMA Mapping Service center (n.d.); FEMA 2013.

3

Flood risk changes due to adoption of the preliminary SFHA by adding and/or removing exposed areas and communities.

Exposure and vulnerability indicators.

Space

Effective floodplain.

MapPLUTO 2018; ACS 2013–2017.

Area added to floodplain due to expansion in preliminary update.

MapPLUTO 2018; ACS 2013–2017.

4

Differences in social vulnerability between exposed and non-exposed populations.

Vulnerability indicators.

Space

Preliminary floodplain

ACS 2013–2017.

Area outside of the preliminary floodplain

ACS 2013–2017.