pacific basin hycom modeling · pacific basin hycom modeling e. joseph metzger, harley e. hurlburt,...
TRANSCRIPT
![Page 1: Pacific Basin HYCOM Modeling · Pacific Basin HYCOM Modeling E. Joseph Metzger, Harley E. Hurlburt, Alan J. Wallcraft and Luis Zamudio Sixth HYCOM Consortium Meeting Los Alamos, New](https://reader035.vdocuments.net/reader035/viewer/2022071300/6090ee572664a61e7005b819/html5/thumbnails/1.jpg)
Pacific Basin HYCOM Modeling
E. Joseph Metzger, Harley E. Hurlburt, Alan J. Wallcraft and Luis Zamudio
Sixth HYCOM Consortium MeetingLos Alamos, New Mexico
7-9 October 2002
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PACIFIC HYCOM MODEL CONFIGURATION
• Horizontal grid: 1/12° equatorial resolution (2294 x 1362 grid points, 6.5 km spacing on average)
• 20°S to 65.8°N
• 20 vertical coordinates
• Bathymetry: Quality controlled ETOP05
• Surface forcing: (wind stress, wind speed, heat flux [using bulk formula], E-P + relaxation to climatological SSS)
• River runoff
• Buffer zone: ~3° band along southern and eastern boundary with relaxation to monthly climatological T and S
• Closed boundaries along 20°S, in the Indonesian throughflow region and in the Bering Strait
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Pacific HYCOM Modeling Progress• Seven 1/6° simulations testing
• horizontal diffusion parameter space
• sensitivity to atmospheric forcing (ECMWF and HR)
• Three 1/12° simulations
• high frequency ECMWF climatological forced simulation (8.5 years)
• high frequency HR climatological forced simulation (9.5 years – Challenge)
• NOGAPS/HR interannual simulation January 2001 – May2002, a period that spanned the life cycle of HurricaneJuliette
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1/12° Pacific HYCOM SSH Snapshot – 1 January
Forced with high frequency climatological ECMWF winds and thermal forcing
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1/12° Pacific HYCOM SSH Snapshot – 17 December
Forced with high frequency climatological HR winds and ECMWF thermal forcing
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1/12° Pacific HYCOM SSH and SST Snapshot – 1 January
Forced with high frequency climatological ECMWF winds and thermal forcing
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1/12° Pacific HYCOM SSH and SST Snapshot – 17 December
Forced with high frequency climatological HR winds and ECMWF thermal forcing
![Page 8: Pacific Basin HYCOM Modeling · Pacific Basin HYCOM Modeling E. Joseph Metzger, Harley E. Hurlburt, Alan J. Wallcraft and Luis Zamudio Sixth HYCOM Consortium Meeting Los Alamos, New](https://reader035.vdocuments.net/reader035/viewer/2022071300/6090ee572664a61e7005b819/html5/thumbnails/8.jpg)
1/12° Pacific HYCOM 6 Year Mean SSH
Forced with high frequency climatological ECMWF winds and thermal forcing
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1/12° Pacific HYCOM 6 Year Mean SSH
Forced with high frequency climatological HR winds and ECMWF thermal forcing
![Page 10: Pacific Basin HYCOM Modeling · Pacific Basin HYCOM Modeling E. Joseph Metzger, Harley E. Hurlburt, Alan J. Wallcraft and Luis Zamudio Sixth HYCOM Consortium Meeting Los Alamos, New](https://reader035.vdocuments.net/reader035/viewer/2022071300/6090ee572664a61e7005b819/html5/thumbnails/10.jpg)
1/12° Pacific HYCOM 6 Year Mean SST
Forced with high frequency climatological HR winds and ECMWF thermal forcing
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1/12° Pacific HYCOM 6 Year Mean SSH – Kuroshio subregion
ECMWF forcing HR forcing
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Velocity Cross-section Across Luzon StraitSb-ADCP data (top) vs. 1/12° Pacific HYCOM (bottom) in the upper 300 m
Section along 120.75°E between Taiwan and Luzon22°N21°N20°N19°N
100
200
300
Sb-ADCP data from Liang et al. (DSR Pt. II, in press)6 year mean from HYCOM forced with high-frequency ECMWF winds and thermal forcing
No ocean data assimilation in HYCOM
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Velocity Cross-section Across Luzon StraitSb-ADCP data (top) vs. 1/12° Pacific HYCOM (bottom) in the upper 300 m
Section along 120.75°E between Taiwan and Luzon22°N21°N20°N19°N
100
200
300
Sb-ADCP data from Liang et al. (DSR Pt. II, in press)6 year mean from HYCOM forced with high-frequency HR winds and ECMWF thermal forcing
No ocean data assimilation in HYCOM
![Page 14: Pacific Basin HYCOM Modeling · Pacific Basin HYCOM Modeling E. Joseph Metzger, Harley E. Hurlburt, Alan J. Wallcraft and Luis Zamudio Sixth HYCOM Consortium Meeting Los Alamos, New](https://reader035.vdocuments.net/reader035/viewer/2022071300/6090ee572664a61e7005b819/html5/thumbnails/14.jpg)
Velocity Cross-section Along Luzon StraitSb-ADCP data (top) vs. 1/12° Pacific HYCOM (bottom) in the upper 300 m
Section along 21°N between 118.5°E and 124.0°E
Sb-ADCP data from Liang et al. (DSR Pt. II, in press)6 year mean from HYCOM forced with high-frequency ECMWF winds and thermal forcing
No ocean data assimilation in HYCOM
119°E 124°E123°E122°E121°E120°E
100
200
300
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Velocity Cross-section Along Luzon StraitSb-ADCP data (top) vs. 1/12° Pacific HYCOM (bottom) in the upper 300 m
Section along 21°N between 118.5°E and 124.0°E
Sb-ADCP data from Liang et al. (DSR Pt. II, in press)6 year mean from HYCOM forced with high-frequency HR winds and ECMWF thermal forcing
No ocean data assimilation in HYCOM
119°E 124°E123°E122°E121°E120°E
100
200
300
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Sb-ADCP data from Liang et al. (DSR Pt. II, in press)6 year mean from HYCOM forced with high-frequency ECMWF winds and thermal forcing
No ocean data assimilation in HYCOM
Velocity Cross-section East of TaiwanSb-ADCP data (top) vs. 1/12° Pacific HYCOM (bottom) in the upper 300 m
Sections at 22°N, 23°N, 24°N and 25°N
121E 122E 123E 121E 122E 123E121E 122E 123E121E 122E 123E
100
200
300
22°N 23°N 24°N 25°N
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Sb-ADCP data from Liang et al. (DSR Pt. II, in press)6 year mean from HYCOM forced with high-frequency HR winds and ECMWF thermal forcing
No ocean data assimilation in HYCOM
Velocity Cross-section East of TaiwanSb-ADCP data (top) vs. 1/12° Pacific HYCOM (bottom) in the upper 300 m
Sections at 22°N, 23°N, 24°N and 25°N
121E 122E 123E 121E 122E 123E121E 122E 123E121E 122E 123E
100
200
300
22°N 23°N 24°N 25°N
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Velocity Cross-section at WOCE PCM-1Current meter data (top) vs. 1/12° Pacific HYCOM (bottom) in the upper 1000 m
Current meter data from Lee et al. (2001, JGR)6 year mean from HYCOM forced with high-frequency ECMWF winds and thermal forcing
No ocean data assimilation in HYCOM
PCM-1 data fromSeptember 1995
to May 1996
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Velocity Cross-section at WOCE PCM-1Current meter data (top) vs. 1/12° Pacific HYCOM (bottom) in the upper 1000 m
Current meter data from Lee et al. (2001, JGR)6 year mean from HYCOM forced with high-frequency HR winds and ECMWF thermal forcing
No ocean data assimilation in HYCOM
PCM-1 data fromSeptember 1995
to May 1996
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Velocity Cross-section Along the EquatorTOGA TAO data (top) vs. 1/12° Pacific HYCOM (bottom) in the upper 300 m
Section between 165°E and 110°W
TOGA TAO buoy data from Yu and McPhaden (1999, JPO)6 year mean from HYCOM forced with high-frequency ECMWF winds and thermal forcing
No ocean data assimilation in HYCOM
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Velocity Cross-section Along the EquatorTOGA TAO data (top) vs. 1/12° Pacific HYCOM (bottom) in the upper 300 m
Section between 165°E and 110°W
TOGA TAO buoy data from Yu and McPhaden (1999, JPO)6 year mean from HYCOM forced with high-frequency HR winds and ECMWF thermal forcing
No ocean data assimilation in HYCOM
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Velocity Cross-section Across the Equator at 135°WCTD/ADCP data (top) vs. 1/12° Pacific HYCOM (bottom) in the upper 400 m
Section between 8°S and 8°N
CTD/ADCP data from Johnson and McPhaden (2001, JPO)6 year mean from HYCOM forced with high-frequency ECMWF winds and thermal forcing
No ocean data assimilation in HYCOM
![Page 23: Pacific Basin HYCOM Modeling · Pacific Basin HYCOM Modeling E. Joseph Metzger, Harley E. Hurlburt, Alan J. Wallcraft and Luis Zamudio Sixth HYCOM Consortium Meeting Los Alamos, New](https://reader035.vdocuments.net/reader035/viewer/2022071300/6090ee572664a61e7005b819/html5/thumbnails/23.jpg)
Velocity Cross-section Across the Equator at 135°WCTD/ADCP data (top) vs. 1/12° Pacific HYCOM (bottom) in the upper 400 m
Section between 8°S and 8°N
CTD/ADCP data from Johnson and McPhaden (2001, JPO)6 year mean from HYCOM forced with high-frequency HR winds and ECMWF thermal forcing
No ocean data assimilation in HYCOM
![Page 24: Pacific Basin HYCOM Modeling · Pacific Basin HYCOM Modeling E. Joseph Metzger, Harley E. Hurlburt, Alan J. Wallcraft and Luis Zamudio Sixth HYCOM Consortium Meeting Los Alamos, New](https://reader035.vdocuments.net/reader035/viewer/2022071300/6090ee572664a61e7005b819/html5/thumbnails/24.jpg)
Temperature Cross-section Across the Equator at 135°WCTD/ADCP data (top) vs. 1/12° Pacific HYCOM (bottom) in the upper 400 m
Section between 8°S and 8°N
CTD/ADCP data from Johnson and McPhaden (2001, JPO)6 year mean from HYCOM forced with high-frequency ECMWF winds and thermal forcing
No ocean data assimilation in HYCOM
![Page 25: Pacific Basin HYCOM Modeling · Pacific Basin HYCOM Modeling E. Joseph Metzger, Harley E. Hurlburt, Alan J. Wallcraft and Luis Zamudio Sixth HYCOM Consortium Meeting Los Alamos, New](https://reader035.vdocuments.net/reader035/viewer/2022071300/6090ee572664a61e7005b819/html5/thumbnails/25.jpg)
Temperature Cross-section Across the Equator at 135°WCTD/ADCP data (top) vs. 1/12° Pacific HYCOM (bottom) in the upper 400 m
Section between 8°S and 8°N
CTD/ADCP data from Johnson and McPhaden (2001, JPO)6 year mean from HYCOM forced with high-frequency HR winds and ECMWF thermal forcing
No ocean data assimilation in HYCOM
![Page 26: Pacific Basin HYCOM Modeling · Pacific Basin HYCOM Modeling E. Joseph Metzger, Harley E. Hurlburt, Alan J. Wallcraft and Luis Zamudio Sixth HYCOM Consortium Meeting Los Alamos, New](https://reader035.vdocuments.net/reader035/viewer/2022071300/6090ee572664a61e7005b819/html5/thumbnails/26.jpg)
Velocity Cross-section South of JapanCurrent meter data (top) vs. 1/12° Pacific HYCOM (bottom) in the upper 1500 m
Along the ASUKA line
Current meter data from the ASUKA group6 year mean from HYCOM forced with high-frequency ECMWF winds and thermal forcing
No ocean data assimilation in HYCOM
Note: The HYCOM section does not exactlyfollow the ASUKA line
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Velocity Cross-section South of JapanCurrent meter data (top) vs. 1/12° Pacific HYCOM (bottom) in the upper 1500 m
Along the ASUKA line
Current meter data from the ASUKA group6 year mean from HYCOM forced with high-frequency HR winds and ECMWF thermal forcing
No ocean data assimilation in HYCOM
Note: The HYCOM section does not exactlyfollow the ASUKA line
![Page 28: Pacific Basin HYCOM Modeling · Pacific Basin HYCOM Modeling E. Joseph Metzger, Harley E. Hurlburt, Alan J. Wallcraft and Luis Zamudio Sixth HYCOM Consortium Meeting Los Alamos, New](https://reader035.vdocuments.net/reader035/viewer/2022071300/6090ee572664a61e7005b819/html5/thumbnails/28.jpg)
Velocity Cross-section Across the Kuroshio at 145°WHydrographic data (top) vs. 1/12° Pacific HYCOM (bottom) in the upper 1000 m
Section between 25°N and 50°N
Hydrographic data from Qu et al. (2001, JPO)6 year mean from HYCOM forced with high-frequency ECMWF winds and thermal forcing
No ocean data assimilation in HYCOM
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Velocity Cross-section Across the Kuroshio at 145°WHydrographic data (top) vs. 1/12° Pacific HYCOM (bottom) in the upper 1000 m
Section between 25°N and 50°N
Hydrographic data from Qu et al. (2001, JPO)6 year mean from HYCOM forced with high-frequency HR winds and ECMWF thermal forcing
No ocean data assimilation in HYCOM
![Page 30: Pacific Basin HYCOM Modeling · Pacific Basin HYCOM Modeling E. Joseph Metzger, Harley E. Hurlburt, Alan J. Wallcraft and Luis Zamudio Sixth HYCOM Consortium Meeting Los Alamos, New](https://reader035.vdocuments.net/reader035/viewer/2022071300/6090ee572664a61e7005b819/html5/thumbnails/30.jpg)
Velocity Cross-section Across the Kuroshio at 155°WHydrographic data (top) vs. 1/12° Pacific HYCOM (bottom) in the upper 1000 m
Section between 25°N and 50°N
Hydrographic data from Qu et al. (2001, JPO)6 year mean from HYCOM forced with high-frequency ECMWF winds and thermal forcing
No ocean data assimilation in HYCOM
![Page 31: Pacific Basin HYCOM Modeling · Pacific Basin HYCOM Modeling E. Joseph Metzger, Harley E. Hurlburt, Alan J. Wallcraft and Luis Zamudio Sixth HYCOM Consortium Meeting Los Alamos, New](https://reader035.vdocuments.net/reader035/viewer/2022071300/6090ee572664a61e7005b819/html5/thumbnails/31.jpg)
Velocity Cross-section Across the Kuroshio at 155°WHydrographic data (top) vs. 1/12° Pacific HYCOM (bottom) in the upper 1000 m
Section between 25°N and 50°N
Hydrographic data from Qu et al. (2001, JPO)6 year mean from HYCOM forced with high-frequency HR winds and ECMWF thermal forcing
No ocean data assimilation in HYCOM
![Page 32: Pacific Basin HYCOM Modeling · Pacific Basin HYCOM Modeling E. Joseph Metzger, Harley E. Hurlburt, Alan J. Wallcraft and Luis Zamudio Sixth HYCOM Consortium Meeting Los Alamos, New](https://reader035.vdocuments.net/reader035/viewer/2022071300/6090ee572664a61e7005b819/html5/thumbnails/32.jpg)
Track of Hurricane Juliette
Source: National Hurricane Center
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Evolution of the coastally trapped waves generatedby Hurricane Juliette in 1/12° Pacific HYCOM
29 September 200128 September 2001
30 September 2001
Mazatlán•1 October 2001
Guaymas•
2 October 2001PuertoPeñasco•
27 September 2001
•Cabo San Lucas
1/12° Pacific HYCOM forced with FNMOC NOGAPS/HR winds and FNMOC NOGAPSthermal forcing. No data have been assimilated into this model.
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Evolution of the coastally trapped waves generatedby Hurricane Juliette in 1/12° Pacific HYCOM
3 October 2001 5 October 20014 October 2001
8 October 20017 October 20016 October 2001
1/12° Pacific HYCOM forced with FNMOC NOGAPS/HR winds and FNMOC NOGAPSthermal forcing. No data have been assimilated into this model.
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Observed versus modeled sea level along the Mexican coast associatedwith the coastally trapped waves generated by Hurricane Juliette in 2001
1/12° Pacific HYCOM forced with FNMOC NOGAPS/HR winds and FNMOC NOGAPSthermal forcing. No data have been assimilated into this model. Sea level dataprovided by the University of Hawaii and the Secretaria de Marina de México.