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  2. New York Harbor Storm-Surge Barrier - Wikipedia

    en.wikipedia.org/wiki/New_York_Harbor_Storm...

    The New York Harbor Storm-Surge Barrier is a proposed flood barrier system to protect the New York-New Jersey Harbor Estuary from storm surges. The proposed system would consist of one barrier located across the mouth of Lower New York Bay , possibly between Sandy Hook (N.J.) and Rockaway (N.Y.), and a second on the upper East River to provide ...

  3. Urban flooding - Wikipedia

    en.wikipedia.org/wiki/Urban_flooding

    [49] [50] In particular, New York City experienced record levels of rainfall, prompting many to question whether the city should implement additional flood protection measures in anticipation of potential future flood events. [51] In September 2021, the New York City mayoral office released a new rainfall preparedness plan. [52]

  4. Flood management - Wikipedia

    en.wikipedia.org/wiki/Flood_management

    The map to the right shows a flood map for the City of York, including the floodplain for a 1 in 100-year flood (dark blue), the predicted floodplain for a 1 in 1000 year flood (light blue) and low-lying areas in need of flood defence (purple). The most sustainable way of reducing risk is to prevent further development in flood-prone areas and ...

  5. Land reclamation in Lower Manhattan - Wikipedia

    en.wikipedia.org/wiki/Land_reclamation_in_Lower...

    An 1865 map of Lower Manhattan below 14th Street showing land reclamation along the shoreline. [1] The expansion of the land area of Lower Manhattan in New York City by land reclamation has, over time, greatly altered Manhattan Island's shorelines on the Hudson and East rivers as well as those of the Upper New York Bay. The extension of the ...

  6. Routing (hydrology) - Wikipedia

    en.wikipedia.org/wiki/Routing_(hydrology)

    Flood routing is a procedure to determine the time and magnitude of flow (i.e., the flow hydrograph) at a point on a watercourse from known or assumed hydrographs at one or more points upstream. The procedure is specifically known as Flood routing, if the flow is a flood. [14] [15] After Routing, the peak gets attenuated & a time lag is ...

  7. Watch: New York underwater amid flash flood warning - AOL

    www.aol.com/news/watch-york-underwater-amid...

    New York Governor Kathy Hochul has declared a State of Emergency as flash flooding hits New York City. As torrential rain pummels the northeastern US, parts of New York are completely underwater.

  8. Subway Station Drenched as Ida Remnants Prompt Flash Flood ...

    www.aol.com/news/subway-station-drenched-ida...

    A subway station in New York City was drenched by heavy rainfall as the remnants of Storm Ida swept through the city prompting a flash flood emergency on September 1.The National Weather Service ...

  9. Flood insurance rate map - Wikipedia

    en.wikipedia.org/wiki/Flood_Insurance_Rate_Map

    These FIRMs are used in identifying whether a land or building is in flood zone and, if so, which of the different flood zones are in effect. In 2004, FEMA began a project to update and digitize the flood plain maps at a yearly cost of $200 million. The new maps usually take around 18 months to go from a preliminary release to the final product.