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Narragansett Bay Areal Extent of Hypoxia in 2009 October 8, 2009 NOAA CHRP Managers Meeting Christopher Deacutis Narra

Narragansett Bay Areal Extent of Hypoxia in 2009 October 8, 2009 NOAA CHRP Managers Meeting Christopher Deacutis Narragansett Bay Estuary Program URI Coastal, Institute & Warren Prell & David Murray Brown Univ. Minimum D.O. June 18 ; July15 ; July23

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Narragansett Bay Areal Extent of Hypoxia in 2009 October 8, 2009 NOAA CHRP Managers Meeting Christopher Deacutis Narra

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  1. Narragansett Bay Areal Extent of Hypoxia in 2009 October 8, 2009 NOAA CHRP Managers Meeting Christopher Deacutis Narragansett Bay Estuary Program URI Coastal, Institute & Warren Prell & David Murray Brown Univ.

  2. Minimum D.O. • June 18 ; July15 ; July23 • End neap neap strong spring tide

  3. Bottom D.O. June 18 ; July15 ; July23

  4. Minimum D.O. • Aug 4 ; Aug13 ; Sept. 1 • Weak Spring Neap End Neap tide

  5. Bottom D.O. • Aug 4 ; Aug13 ; Sept. 1

  6. Surface D.O. • June 18 ; July15 ; July23

  7. Surface D.O. • Aug 4 ; Aug13 ; Sept. 1

  8. % of Survey Area at various hypoxic levels since 1999 (Total area surveyed ~ 150 km2)

  9. 1982 1955 1938 2006 1972 1984 2009 1998 2003 1931 1948 1986 1968 1938 Year

  10. Fish kill Chepiwanopxet Greenwich Bay August 1,2009 • Sulfidic waters Greenwich Cove August 18 2009 Piscivore Feast Juv. Winter Flounder 8-1-09

  11. Good News ! - Ruppia (Widgeon Grass) At Cedar Tree Pt.

  12. Video Break • Film clips Greenwich Bay August 14, 2009

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