Upload
diamond
View
42
Download
0
Tags:
Embed Size (px)
DESCRIPTION
Extratropical Storm-Induced Coastal Inundation: Scituate, MA Model Evaluation Plan March 8, 2011. Steps Tide comparison ( using Scituate tide data ) Wave (alone) comparison ( using NDBC buoy data ) (w/ wo wind adjustment?) - PowerPoint PPT Presentation
Citation preview
Extratropical Storm-Induced Coastal Inundation: Scituate, MA
Model Evaluation Plan March 8, 2011
Steps1. Tide comparison (using Scituate tide data)2. Wave (alone) comparison (using NDBC buoy data)
(w/wo wind adjustment?)3. 2005/07 Storms (without waves) inundation (using
Scituate HWM, NDBC buoy data)4. 2005-07 Storm (with waves) inundation (using Scituate
HWM, NDBC buoy data)5. 2010 Storm (with waves) inundation (using Scituate
HWMs and met data, NDBC buoy data)6. Synthesis
Scituate, MA The Test Site:
44013
A 3-D View of the bathymetry of the Scituate
Nested
The Scituate Grid The Northeast Coastal Ocean Forecast System (NECOFS) grid
Horizontal Resolution:10 m to 1 km
Cell number:xxxxx
Node number:xxxxx
Tide gauge stationMet station
Buoys with wave measurements
Station No. Longitude(W) Latitude (N) 44004 70.433 38.484 44005 69.140 43.189 44007 70.144 43.531 44008 69.431 40.500 44009 74.702 38.464 44013 70.691 42.354 44017 72.046 40.691 44018 69.294 41.259 44024 65.927 42.312 44025 73.166 40.250 44027 67.314 44.273 44029 70.570 42.520 44030 70.418 43.183 44031 70.060 43.570 44032 69.358 43.715 44033 69.000 44.060 44034 68.110 44.110 44035 67.020 44.890 44037 67.883 43.484 44038 66.550 43.633
Total 20 stations
44013
Transects-Elevation-Mass Flux-Wave Energy Flux (?)
Model-Model Comparisons
Model-DataComparison
Points-Tide gauge-E. Foster Bridge-Harbor Master/Town Pier-Cedar Point depression-Jericho Road-Center of harbor mouth transect
44 Rebecca Road
STATIONS NODE NUMBER LONGITUDE LATITUDE A 3078 -70.7233658
42.2058182 B 5301
-70.7239990 42.2021598 C 5446
-70.7248611 42.1981239 D 4216
-70.7214050 42.1923218 E 2543
-70.7172089 42.1955299 F 5140
-70.7198868 42.1993752 G 3484
-70.7163010 42.2028236 H 2792
-70.7182312 42.2070961 I 1898
-70.7178879 42.2078705
SECTIONS FROM NODE NUMBER LONGITUDE LATITUDE TO NODE NUMBER LONGITUDE LATITUDE
Section A2835 -70.7205048 42.2074432 3728 -70.7176056 42.2053452Section B3729 -70.7163162 42.2017404 3730-70.7152786 42.2042465
Section C 3401 -70.7259140 42.1923523 3576 -70.7204742 42.1923676
Points and sections in the gridA
B
C
D
E
F
G
H IA1
A2
C1C2
B2
B1
Sites and sections in the model grid
The FVCOM Validation for Tidal Simulation
Tide Freq Amp (m) Amp error (m) Phase (oG) Phase error (oG) M2 0.0805114 1.2729 0.021 339.21 0.97 N2 0.0789992 0.2858 0.022 43.60 4.79 S2 0.0833333 0.1669 0.018 154.03 8.13 K1 0.0417807 0.1254 0.004 183.54 2.02 O1 0.0387307 0.0988 0.004 76.93 2.46
The 2005 Nor’easter Storm
Currents Currents-Waves May 25, 05 AM (GMT)
Site H
Winds
Sea Level
Vertically averaged velocity
Site G (entrance)
Winds
Sea Level
Vertically averaged velocity
The water transports on Sections A, B and C
Currents Currents-Waves
2007 Nor’easter Storm
April 18 , 04 AM (GMT)
Site H (flooded area)
Winds
Sea Level
Vertically averaged velocity
Preliminary Results for the December 27 2011 Storm
7 EST Dec. 26 7 EST Dec. 27 7 EST Dec. 28
hΔp/Δx = (10m)(20mb)/200km = 0.1 kg/(ms2)Wind stress (20 m/s) = 1 kg/(ms2) => 10%
2010 December 27 08 GMT
Steps1. Tide comparison (using Scituate tide data)2. Wave (alone) comparison (using NDBC buoy data)
(w/wo wind adjustment?)3. 2005/07 Storms (without waves) inundation (using
Scituate HWM, NDBC buoy data)4. 2005-07 Storm (with waves) inundation (using Scituate
HWM, NDBC buoy data)5. 2010 Storm (with waves) inundation (using Scituate
HWMs and met data, NDBC buoy data)6. Synthesis