Flooding & Sea-Level Rise Mappers

Explore flooding and sea-level rise along the tidal Hudson River

The Hudson River Flood Impact Decision Support System allows you to explore flooding and sea-level rise impacts in Hudson Riverfront communities. See their Story Map for more information and a video on how to use this tool. You can also explore Scenic Hudson's user-friendly sea-level rise mapper online.

Comparing flooding and sea-level rise mappers

Flooding and sea-level rise associated with climate change are significant concerns for the communities of the Hudson River estuary. Mapping tools utilizing the latest sea-level rise projections can help you and your community prepare for these threats by visualizing the extent of their impact under various scenarios. Consider the following tools, compared in the table, to gain a better understanding of these issues in our region.

Comparing flooding and sea-level rise mappers
Feature	Scenic Hudson Sea Level Rise mapper	Columbia University Hudson River Flood mapper	Dewberry Coastal NY Future Floodplain mapper	NOAA Sea Level Rise viewer
Geographic scope	Troy to Westchester	Troy to Westchester	Troy to Westchester and coastal Long Island	Coastal US including the Hudson River
Displays today’s 1% ("100-year") flood	Yes	Yes	No	No
Projects future 1% flood with sea-level rise	Yes	Yes	Yes	No
Displays a variety of storm scenarios	No	Yes	Yes	No
Distinguishes between flooding due to sea level rise vs. storms	Yes	Yes	No	No
Displays water depth	Yes	Yes	No	Yes
Displays a variety of features (infrastructure, facilities, wetlands)	No	Yes	No	No
Displays social vulnerability	No	Yes	No	Yes

For more information on communities using the flooding and sea-level rise mappers, see: Online Application Provides Tools and Data for Communities at Risk Along the Hudson River.

You can also explore how Hudson River tidal wetlands are at risk in the face of sea level rise in Scenic Hudson's interactive guide Protecting the Pathways.

You can also download The Flood Resilience Handbook for Public Access Sites along the Hudson River: from Troy to Yonkers (PDF)