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| Author | Palacios-Hernández, E.; Carrillo, L.; Lavín, M.F.; Zamudio, L.; García-Sandoval, A. | ||||
| Title | Hydrography and circulation in the Northern Gulf of California during winter of 1994-1995 | Type | $loc['typeJournal Article'] | ||
| Year | 2006 | Publication | Continental Shelf Research | Abbreviated Journal | Continental Shelf Research |
| Volume | 26 | Issue | 1 | Pages | 82-103 |
| Keywords | seasonal circulation; gyres; coastally trapped waves; ENSO; Gulf of California | ||||
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| Language | Summary Language | Original Title | |||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0278-4343 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ mfield @ | Serial | 442 | ||
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| Author | Parfitt, R.; Ummenhofer, C.C.; Buckley, B.M.; Hansen, K.G.; D'Arrigo, R.D. | ||||
| Title | Distinct seasonal climate drivers revealed in a network of tree-ring records from Labrador, Canada | Type | $loc['typeJournal Article'] | ||
| Year | 2020 | Publication | Climate Dynamics | Abbreviated Journal | Clim Dyn |
| Volume | 54 | Issue | 3-4 | Pages | 1897-1911 |
| Keywords | BLUE INTENSITY; LATEWOOD DENSITY; TEMPERATURE; DENDROCLIMATOLOGY; PRECIPITATION; STANDARDIZATION; VARIABILITY; NUNATSIAVUT; TRENDS; GULF | ||||
| Abstract | Traditionally, high-latitude dendroclimatic studies have focused on measurements of total ring width (RW), with the maximum density of the latewood (MXD) serving as a complementary variable. Whilst MXD has typically improved the strength of the growing season climate connection over that of RW, its measurements are costly and time-consuming. Recently, a less costly and more time-efficient technique to extract density measurements has emerged, based on lignin's propensity to absorb blue light. This Blue Intensity (BI) methodology is based on image analyses of finely-sanded core samples, and the relative ease with which density measurements can be extracted allows for significant increases in spatio-temporal sample depth. While some studies have attempted to combine RW and MXD as predictors for summer temperature reconstructions, here we evaluate a systematic comparison of the climate signal for RW and latewood BI (LWBI) separately, using a recently updated and expanded tree ring database for Labrador, Canada. We demonstrate that while RW responds primarily to climatic drivers earlier in the growing season (January-April), LWBI is more responsive to climate conditions during late spring and summer (May-August). Furthermore, RW appears to be driven primarily by large-scale atmospheric dynamics associated with the Pacific North American pattern, whilst LWBI is more closely associated with local climate conditions, themselves linked to the behaviour of the Atlantic Multidecadal Oscillation. Lastly, we demonstrate that anomalously wide or narrow growth rings consistently respond to the same climate drivers as average growth years, whereas the sensitivity of LWBI to extreme climate conditions appears to be enhanced. | ||||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0930-7575 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ user @ | Serial | 1119 | ||
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| Author | Samuelsen, A | ||||
| Title | Modeling the Effect of Eddies and Advection on the Lower Trophic Ecosystem in the Northeast Tropical Pacific | Type | $loc['typeManuscript'] | ||
| Year | 2005 | Publication | Abbreviated Journal | ||
| Volume | Issue | Pages | |||
| Keywords | Physical-Biological Interactions, Marine Ecosystem Modeling, Pacific Ocean, Gulf Of Tehuantepec, Costa Rica Dome, Cross-Shelf Transport, Eddies | ||||
| Abstract | A medium complexity, nitrogen-based ecosystem model is developed in order to simulate the ecosystem in the northeast tropical Pacific. Several physical processes have major impact on the ecosystem in this region, most importantly intense wind jets along the coast and upwelling at the Costa Rica Dome (CRD). The ecosystem model is run “offline”, using a realistic physical ocean model hindcast as input. The physical model is a subdomain of the global Navy Coastal Ocean Model, which is a hybrid sigma-z level model. The model assimilates Modular Ocean Data Assimilation System temperature and salinity profiles derived from altimetry and sea surface temperature data. The model is forced by daily heat and momentum fluxes, and therefore captures short-term wind events such as the Tehuantepec jet. Because the model has high horizontal resolution (~1/8 degree) and assimilates sea surface height data, it has a realistic representation of eddies and mesoscale variability. The ecosystem model includes two nutrients (nitrate and ammonium), two size-classes of phytoplankton, two size-classes of zooplankton, and detritus. The model is run for 4 years from 1999 to 2002, with analyses focused on 2000-2002. The model is validated using SeaWiFS data and ship-based observations from the STAR-cruises (Stenella Abundance Research Project) of 1999 and 2000. The northernmost and most intense of the wind jets along Central America is the Tehuantepec jet. The Tehuantepec jet is responsible for upwelling large amounts of nutrient rich water south of the Gulf of Tehuantepec. The jet also occasionally produce large anti-cyclonic eddies that transport organic matter away from the coast. Because organic matter that is transported into the open ocean will eventually sink to the deep ocean, this has implications for the carbon export in this region. The model results are used to calculate cross-shelf fluxes in this region in order to estimate how much organic material is transported across the shelf break. Results show that at the Gulf of Tehuantepec there is high offshore export of organic material, particularly during eddy generation events, but also in fall. The highest export is on the order of 10 Mg C per meter of coastline per day and happens during eddy events. During these events there is a comparable onshore flux to the south of the gulf. Typically there is onshore flux to the south of the gulf during the summer. The model estimated transport away from the coast at the Gulf of Tehuantepec is 167 Tg C/year, and the onshore transport to the south of the gulf is 704 Tg C/year. The second subject of interest is the CRD. In this region, upwelling at the surface is caused by Ekman upwelling during the summer, although the dome is thought to be present at depth throughout the year. The doming of the isotherms below the thermocline is a result of vortex stretching and is decoupled from the wind-driven processes at the surface. A mass-balance budget is calculated at the CRD, and the horizontal and vertical fluxes are related to the abundance of plankton at the dome. There is upwelling (7.2X10-2 Sv ) at the dome throughout the year, but around the location of the dome (90° W), the upwelling is largest in the winter. Further west, input of nutrients from below is larger in the fall and summer. The results suggest that about 80% of the nitrate that is supplied to the dome during summer is actually brought up to the west of the dome and transported eastward by the North Equatorial Counter Current. | ||||
| Address | Department of Oceanography | ||||
| Corporate Author | Thesis | $loc['Ph.D. thesis'] | |||
| Publisher | Florida State University | Place of Publication | Tallahassee, FL | Editor | |
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| Area | Expedition | Conference | |||
| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ mfield @ | Serial | 591 | ||
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| Author | Samuelsen, A.; O'Brien, J.J. | ||||
| Title | Wind-induced cross-shelf flux of water masses and organic matter at the Gulf of Tehuantepec | Type | $loc['typeJournal Article'] | ||
| Year | 2008 | Publication | Deep Sea Research Part I: Oceanographic Research Papers | Abbreviated Journal | Deep Sea Research Part I: Oceanographic Research Papers |
| Volume | 55 | Issue | 3 | Pages | 221-246 |
| Keywords | shelf dynamics; physical-biological interactions; Gulf of Tehuantepec; marine ecology; meso-scale eddies; advection | ||||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0967-0637 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ mfield @ | Serial | 414 | ||
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| Author | Solís, D.; Perruso, L.; del Corral, J.; Stoffle, B.; Letson, D. | ||||
| Title | Measuring the initial economic effects of hurricanes on commercial fish production: the US Gulf of Mexico grouper (Serranidae) fishery | Type | $loc['typeJournal Article'] | ||
| Year | 2013 | Publication | Natural Hazards | Abbreviated Journal | Nat Hazards |
| Volume | 66 | Issue | 2 | Pages | 271-289 |
| Keywords | Hurricanes; Economic damage; Commercial fisheries; Stochastic production frontier; US Gulf of Mexico | ||||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0921-030X | ISBN | Medium | ||
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| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ mfield @ | Serial | 269 | ||
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| Author | Zavala-Hidalgo, J. | ||||
| Title | Seasonal circulation on the western shelf of the Gulf of Mexico using a high-resolution numerical model | Type | $loc['typeJournal Article'] | ||
| Year | 2003 | Publication | Journal of Geophysical Research | Abbreviated Journal | J. Geophys. Res. |
| Volume | 108 | Issue | C12 | Pages | |
| Keywords | shelf circulation; western Gulf of Mexico | ||||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0148-0227 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ mfield @ | Serial | 467 | ||
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| Author | Zavala-Hidalgo, J.; Gallegos-García, A.; Martínez-López, B.; Morey, S.L.; O'Brien, J.J. | ||||
| Title | Seasonal upwelling on the Western and Southern Shelves of the Gulf of Mexico | Type | $loc['typeJournal Article'] | ||
| Year | 2006 | Publication | Ocean Dynamics | Abbreviated Journal | Ocean Dynamics |
| Volume | 56 | Issue | 3-4 | Pages | 333-338 |
| Keywords | Gulf of Mexico; coastal upwelling; coastal circulation; AVHRR SST | ||||
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| ISSN | 1616-7341 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Funding | ONR, NASA | Approved | $loc['no'] | ||
| Call Number | COAPS @ mfield @ | Serial | 435 | ||
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| Author | Zavala-Hidalgo, J.; Romero-Centeno, R.; Mateos-Jasso, A.; Morey, S.L.; Martínez-López, B. | ||||
| Title | The response of the Gulf of Mexico to wind and heat flux forcing: What has been learned in recent years? | Type | $loc['typeJournal Article'] | ||
| Year | 2014 | Publication | Atmósfera | Abbreviated Journal | Atmósfera |
| Volume | 27 | Issue | 3 | Pages | 317-334 |
| Keywords | Gulf of Mexico; ocean surface forcing; upper ocean layer | ||||
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| ISSN | 0187-6236 | ISBN | Medium | ||
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| Funding | BP/Gulf of Mexico Research Initiative, NASA/OVWST | Approved | $loc['no'] | ||
| Call Number | COAPS @ mfield @ | Serial | 153 | ||
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| Author | Zavala-Hidalgo, J; Pares-Sierra, A; Ochoa, J | ||||
| Title | Seasonal variability of the temperature and heat fluxes in the Gulf of Mexico | Type | $loc['typeJournal Article'] | ||
| Year | 2002 | Publication | Atmosfera | Abbreviated Journal | |
| Volume | 15 | Issue | 2 | Pages | 81-104 |
| Keywords | Gulf of Mexico; heat fluxes; numerical model; sea surface temperature; seasonal variability | ||||
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| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ mfield @ | Serial | 498 | ||
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