Saint Georges Ferry Tidal Oil Spill Wetlands Impact Simulation, 2009

Page 1

Rock Breakwater Greenville Channel Pierhead Channel Upper Bay

Gowanus Flats

Jersey Flats

Constable Hook

Robbins Reef

fe rr

yr ou te

Bay Ridge Channel

Anchorage Channel

Constable Hook Reach

Bergen Point East Reach

SITE Ducksberry Point

Pier 7

Legend

The Narrows

10D-Scrub-shrub wetlands 10D+-Scrub-shrub wetlands (most sens) 10C-Swamps 10C+-Swamps (most sens) 10B-Freshwater marshes 10B+-Freshwater marshes (most sens) 10A-Salt- & brackish-water marshes 10A+-Salt- & brackish-water marshes (most sens) 9B-Sheltered vegetated low banks 9B+-Sheltered vegetated low banks (most sens) 9A-Sheltered tidal flats 9A+-Sheltered tidal flats (most sens) 8F-Vegetated, steeply-sloping bluffs

Hendricks Reef

8C-Sheltered rip-rap 8C+-Sheltered rip-rap (most sens) 8B-Sheltered, solid man-made structures 8B+-Sheltered, solid man-made structures (most sens)

Grasmere Lake

8A-Sheltered rocky shores 8A+-Sheltered rocky shores (most sens) 7-Exposed tidal flats

sources: Environmentally Sensitive Areas from NOAA ESI 2001 dataset and Tidal Currents from NOAA GNOME Tidal Simulator fror June 18, 8am

7+-Exposed tidal flats (most sens) 6B-Riprap 6B+-Riprap (most sens) 6A-Gravel beaches 6A+-Gravel beaches (most sens) 5-Mixed sand and gravel beaches 5+-Mixed sand and gravel beaches (most sens) 4-Coarse-grained sand beaches 4+-Coarse-grained sand beaches (most sens) 3B-Scarps and steep slopes in sand 3A-Fine- to medium-grained sand beaches 3A+-Fine- to medium-grained sand beaches (most sens) 2B-Scarps and steep slopes in muddy sediments

10D-Scrub-shrub wetlands 10C-Freshwater swamps

0

2,000

Feet 4,000

Direction and Strength of Tidal Current

10B-Freshwater marshes 10A-Salt- and brackish-water marsh 9A-Sheltered tidal flats 7-Exposed tidal flats 4-Sandy bars and gently sloping banks 2A-Exposed, wave-cut platforms

2A-Exposed wave-cut platforms in bedrock 2A+-Exposed wave-cut platforms in bedrock (most sens) 1B-Exposed, solid man-made structures 1B+-Exposed, solid man-made structures (most sens) 1A-Exposed rocky shores

Fig 1 - Saint George's Ferry Outgoing Tidal Currents and Environmentally Sensitive Areas


Rock Breakwater Greenville Channel Pierhead Channel Upper Bay

Gowanus Flats

Jersey Flats

Constable Hook

Robbins Reef

fe rr

yr ou te

Bay Ridge Channel

Anchorage Channel

Constable Hook Reach

Bergen Point East Reach

SITE Ducksberry Point

Pier 7

Legend

The Narrows

10D-Scrub-shrub wetlands 10D+-Scrub-shrub wetlands (most sens) 10C-Swamps 10C+-Swamps (most sens) 10B-Freshwater marshes 10B+-Freshwater marshes (most sens) 10A-Salt- & brackish-water marshes 10A+-Salt- & brackish-water marshes (most sens) 9B-Sheltered vegetated low banks 9B+-Sheltered vegetated low banks (most sens) 9A-Sheltered tidal flats 9A+-Sheltered tidal flats (most sens) 8F-Vegetated, steeply-sloping bluffs

Hendricks Reef

8C-Sheltered rip-rap 8C+-Sheltered rip-rap (most sens) 8B-Sheltered, solid man-made structures 8B+-Sheltered, solid man-made structures (most sens)

Grasmere Lake

8A-Sheltered rocky shores 8A+-Sheltered rocky shores (most sens) 7-Exposed tidal flats

sources: Environmentally Sensitive Areas from NOAA ESI 2001 dataset and Tidal Currents from NOAA GNOME Tidal Simulator fror June 18, 3 pm

7+-Exposed tidal flats (most sens) 6B-Riprap 6B+-Riprap (most sens) 6A-Gravel beaches 6A+-Gravel beaches (most sens) 5-Mixed sand and gravel beaches 5+-Mixed sand and gravel beaches (most sens) 4-Coarse-grained sand beaches 4+-Coarse-grained sand beaches (most sens) 3B-Scarps and steep slopes in sand 3A-Fine- to medium-grained sand beaches 3A+-Fine- to medium-grained sand beaches (most sens) 2B-Scarps and steep slopes in muddy sediments

10D-Scrub-shrub wetlands 10C-Freshwater swamps

0

2,000

Feet 4,000

Direction and Strength of Tidal Current

10B-Freshwater marshes 10A-Salt- and brackish-water marsh 9A-Sheltered tidal flats 7-Exposed tidal flats 4-Sandy bars and gently sloping banks 2A-Exposed, wave-cut platforms

2A-Exposed wave-cut platforms in bedrock 2A+-Exposed wave-cut platforms in bedrock (most sens) 1B-Exposed, solid man-made structures 1B+-Exposed, solid man-made structures (most sens) 1A-Exposed rocky shores

Fig 2 - Saint George's Ferry Incoming Tidal Currents and Environmentally Sensitive Areas


Model Mode: Standard Estimate for: 01:48 06/19/09 Prepared: 09:14 06/18/09

Scenario Name: Saint George's Ferry 500 Gallon Spill Prepared by: Eymund Diegel

This trajectory was produced by GNOME (General NOAA Operational Modeling Environment), and should be used for educational and planning purposes only--not for a real response. In the event of an oil or chemical spill in U.S. waters, contact the U.S. Coast Guard National Response Center at 1-800-424-8802.

40°40’N

40°39’N

Saint George’s Ferry Spill Site

40°38’N

40°37’N

74° 6’W

74°4’W

New York Harbor Location File Constant Wind: 10 miles / hour from NW Black Splots: Best Estimate of Fuel Oil Dispersion Red Splots: Uncertainty Variable Included for Fuel Oil Dispersion Tidal Currents

74°2’W

Splot Mass Balance Totals (Best estimate): Released: 500 gallons Evaporated/Dispersed: 143 gallons Beached: 246 gallons Off Map: 0 gallons Floating: 112 gallons

Figure 3 - Saint George’s Ferry 24 Hour Fuel Oil Spill Simulation


Turn static files into dynamic content formats.

Create a flipbook
Issuu converts static files into: digital portfolios, online yearbooks, online catalogs, digital photo albums and more. Sign up and create your flipbook.