1 / 29

Unveiling NYC's Water Security: A Historical Analysis of Pluvial Events

Delve into NYC's water security through historical data, species chronologies, and climate trends, shedding light on potential challenges faced during extreme drought periods.

patricia-whitley
Télécharger la présentation

Unveiling NYC's Water Security: A Historical Analysis of Pluvial Events

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Is an epic pluvial masking NYC’s water security? Andrew Bell Ed Cook Kevin Vranes

  2. Tiwanaku Empire Akkadian Empire

  3. NYC Data: NYC Dept. Env. Protection

  4. NYC Data: NYC Dept. Env. Protection

  5. NYC Ave May-Aug. Data: NCDC

  6. 12 species eastern hemlock chestnut oak pitch pine white oak eastern redcedar post oak pignut hickory sweet birch yellow-poplar shagbark hickory northern red oak black oak 32 chronologies

  7. David Meko Time-varying Reconstructions

  8. r2 = 66.2% May-Aug - Better at estimating wet years

  9. inst. data tacked onto end

  10. January NCEP Sea-level Pressure: 1948-2009

  11. 1568-1573 Drought: NADA v2

  12. Southern Appalachian Drought History NADA v2

  13. Mississippi Valley Drought History NADA v2

  14. Northeast US = extreme drought Northeast Climate Center

  15. Summary: • increased chronology replication helps, especially spatially • species replication helps as well - as much as chronology replication?

  16. Summary: • increased chronology replication helps, especially spatially • species replication helps as well - as much as chronology replication? • 500 yrs of NYC watershed drought history? • - NYC will be in a heap of trouble when a real/paleo drought hits!

  17. 1663-1666 Drought: NADA v2

More Related