9129767 FT69G5ND 1 apa 50 date desc year Cessi 18 https://pcessi.scrippsprofiles.ucsd.edu/wp-content/plugins/zotpress/
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Yang, X., & Cessi, P. (2024). The Bering Strait Throughflow Component of the Global Mass, Heat and Freshwater Transport. Journal of Geophysical Research: Oceans, 129(10), e2024JC021463. https://doi.org/10.1029/2024JC021463
Vecchioni, G., Cessi, P., Pinardi, N., Rousselet, L., & Trotta, F. (2023). A Lagrangian Estimate of the Mediterranean Outflow’s Origin. Geophysical Research Letters, 50(14), e2023GL103699. https://doi.org/10.1029/2023GL103699
Yang, X., & Cessi, P. (2023). The Potential Role of Bering Strait in the Dynamics of Multidecadal Variability in the North Atlantic: An Idealized Model Study. Journal of Physical Oceanography, 53(10), 2353–2373. https://doi.org/10.1175/JPO-D-23-0010.1
Rousselet, L., Cessi, P., & Mazloff, M. R. (2023). What Controls the Partition between the Cold and Warm Routes in the Meridional Overturning Circulation? Journal of Physical Oceanography, 53(1), 215–233. https://doi.org/10.1175/JPO-D-21-0308.1
Rousselet, L., & Cessi, P. (2022). Diabatic Transformations along the Global Routes of the Middepth Meridional Overturning Circulation. Journal of Physical Oceanography, 52(12), 3159–3177. https://doi.org/10.1175/JPO-D-21-0256.1
Rousselet, L., Cessi, P., & Forget, G. (2021). Coupling of the mid-depth and abyssal components of the global overturning circulation according to a state estimate. Science Advances, 7(21). https://doi.org/10.1126/sciadv.abf5478
Rousselet, L., Cessi, P., & Forget, G. (2020). Routes of the upper branch of the Atlantic Meridional Overturning Circulation according to an ocean state estimate. Geophysical Research Letters, 47(18). https://doi.org/10.1029/2020gl089137
Cessi, P. (2020). Control of Bering Strait transport by the meridional overturning circulation. Journal of Physical Oceanography, 50(7), 1853–1870. https://doi.org/10.1175/jpo-d-20-0026.1
Johnson, H. L., Cessi, P., Marshall, D. P., Schloesser, F., & Spall, M. A. (2019). Recent contributions of theory to our understanding of the Atlantic Meridional Overturning Circulation. Journal of Geophysical Research-Oceans, 124(8), 5376–5399. https://doi.org/10.1029/2019jc015330
Pinardi, N., Cessi, P., Borile, F., & Wolfe, C. L. P. (2019). The Mediterranean Sea overturning circulation. Journal of Physical Oceanography, 49(7), 1699–1721. https://doi.org/10.1175/jpo-d-18-0254.1
Cessi, P. (2019). The global overturning circulation. In C. A. Carlson & S. J. Giovannoni (Eds.), Annual Review of Marine Science, Vol 11 (Vol. 11, pp. 249–270). Annual Reviews.
Cessi, P. (2018). The Effect of Northern Hemisphere Winds on the Meridional Overturning Circulation and Stratification. Journal of Physical Oceanography, 48(10), 2495–2506. https://doi.org/10.1175/jpo-d-18-0085.1
Jones, C. S., & Cessi, P. (2018). Components of Upper-Ocean Salt Transport by the Gyres and the Meridional Overturning Circulation. Journal of Physical Oceanography, 48(10), 2445–2456. https://doi.org/10.1175/jpo-d-18-0005.1
Ferreira, D., Cessi, P., Coxall, H. K., de Boer, A., Dijkstra, H. A., Drijfhout, S. S., Eldevik, T., Harnik, N., McManus, J. F., Marshall, D. P., Nilsson, J., Roquet, F., Schneider, T., & Wills, R. C. (2018). Atlantic-Pacific asymmetry in deep water formation. In R. Jeanloz & K. H. Freeman (Eds.), Annual Review of Earth and Planetary Sciences, Vol 46 (Vol. 46, pp. 327–352). Annual Reviews.
Jones, C. S., & Cessi, P. (2017). Size Matters: Another Reason Why the Atlantic Is Saltier than the Pacific. Journal of Physical Oceanography, 47(11), 2843–2859. https://doi.org/10.1175/jpo-d-17-0075.1
Cessi, P., & Jones, C. S. (2017). Warm-Route versus Cold-Route Interbasin Exchange in the Meridional Overturning Circulation. Journal of Physical Oceanography, 47(8), 1981–1997. https://doi.org/10.1175/jpo-d-16-0249.1
Wolfe, C. L., Cessi, P., & Cornuelle, B. D. (2017). An intrinsic mode of interannual variability in the Indian Ocean. Journal of Physical Oceanography, 47(3), 701–719. https://doi.org/10.1175/jpo-d-16-0177.1
Jones, C. S., & Cessi, P. (2016). Interbasin transport of the meridional overturning circulation. Journal of Physical Oceanography, 46(4), 1157–1169. https://doi.org/10.1175/jpo-d-15-0197.1
Wolfe, C. L., & Cessi, P. (2015). Multiple regimes and low-frequency variability in the quasi-adiabatic overturning circulation. Journal of Physical Oceanography, 45(6), 1690–1708. https://doi.org/10.1175/jpo-d-14-0095.1
Abernathey, R., & Cessi, P. (2014). Topographic enhancement of eddy efficiency in baroclinic equilibration. Journal of Physical Oceanography, 44(8), 2107–2126. https://doi.org/10.1175/jpo-d-14-0014.1
Wolfe, C. L., & Cessi, P. (2014). Salt feedback in the adiabatic overturning circulation. Journal of Physical Oceanography, 44(4), 1175–1194. https://doi.org/10.1175/jpo-d-13-0154.1
Cessi, P., Pinardi, N., & Lyubartsev, V. (2014). Energetics of semienclosed basins with two- layer flows at the strait. Journal of Physical Oceanography, 44(3), 967–979. https://doi.org/10.1175/jpo-d-13-0129.1
Cessi, P., & Wolfe, C. L. (2013). Adiabatic eastern boundary currents. Journal of Physical Oceanography, 43(6), 1127–1149. https://doi.org/10.1175/jpo-d-12-0211.1
Wolfe, C. L., & Cessi, P. (2011). The adiabatic pole-to-pole overturning circulation. Journal of Physical Oceanography, 41(9), 1795–1810. https://doi.org/10.1175/2011jpo4570.1
Cessi, P., Wolfe, C. L., & Ludka, B. C. (2010). Eastern-boundary contribution to the residual and meridional overturning circulations. Journal of Physical Oceanography, 40(9), 2075–2090. https://doi.org/10.1175/2010jpo4426.1
Wolfe, C. L., & Cessi, P. (2010). What sets the strength of the middepth stratification and overturning circulation in eddying ocean models? Journal of Physical Oceanography, 40(7), 1520–1538. https://doi.org/10.1175/2010jpo4393.1
Cessi, P., & Wolfe, C. L. (2009). Eddy-driven buoyancy gradients on eastern boundaries and their role in the thermocline. Journal of Physical Oceanography, 39(7), 1595–1614. https://doi.org/10.1175/2009jpo4063.1
Wolfe, C. L., & Cessi, P. (2009). Overturning circulation in an eddy-resolving model: the effect of the pole-to-pole temperature gradient. Journal of Physical Oceanography, 39(1), 125–142. https://doi.org/10.1175/2008jpo3991.1
Wolfe, C. L., Cessi, P., McClean, J. L., & Maltrud, M. E. (2008). Vertical heat transport in eddying ocean models. Geophysical Research Letters, 35(23). https://doi.org/10.1029/2008gl036138
Cessi, P. (2008). An energy-constrained parameterization of eddy buoyancy flux. Journal of Physical Oceanography, 38(8), 1807–1819. https://doi.org/10.1175/2007jpo3812.1
Cessi, P. (2007). Regimes of thermocline scaling: The interaction of wind stress and surface buoyancy. Journal of Physical Oceanography, 37(8), 2009–2021. https://doi.org/10.1175/jpo3103.1
Cessi, P., Young, W. R., & Polton, J. A. (2006). Control of large-scale heat transport by small-scale mixing. Journal of Physical Oceanography, 36(10), 1877–1894. https://doi.org/10.1175/jpo2947.1
Cessi, P., & Fantini, M. (2004). The eddy-driven thermocline. Journal of Physical Oceanography, 34(12), 2642–2658. https://doi.org/10.1175/jpo2657.1
Gallego, B., Cessi, P., & McWilliams, J. C. (2004). The Antarctic Circumpolar Current in equilibrium. Journal of Physical Oceanography, 34(7), 1571–1587. https://doi.org/10.1175/1520-0485(2004)034<1571:taccie>2.0.co;2
Cessi, P., Bryan, K., & Zhang, R. (2004). Global seiching of thermocline waters between the Atlantic and the Indian-Pacific Ocean Basins. Geophysical Research Letters, 31(4). https://doi.org/10.1029/2003gl019091
Cessi, P., & Otheguy, P. (2003). Oceanic teleconnections: Remote response to decadal wind forcing. Journal of Physical Oceanography, 33(8), 1604–1617. https://doi.org/10.1175/2400.1
Ferrari, R., & Cessi, P. (2003). Seasonal synchronization in a chaotic ocean-atmosphere model. Journal of Climate, 16(5), 875–881. https://doi.org/10.1175/1520-0442(2003)016<0875:ssiaco>2.0.co;2
Spydell, M., & Cessi, P. (2003). Baroclinic modes in a two-layer basin. Journal of Physical Oceanography, 33(3), 610–622. https://doi.org/10.1175/1520-0485(2003)033<0610:bmiatl>2.0.co;2
Cessi, P., & Paparella, F. (2001). Excitation of basin modes by ocean-atmosphere coupling. Geophysical Research Letters, 28(12), 2437–2440. https://doi.org/10.1029/2000gl012660
Cessi, P., & Louazel, S. (2001). Decadal oceanic response to stochastic wind forcing. Journal of Physical Oceanography, 31(10), 3020–3029. https://doi.org/10.1175/1520-0485(2001)031<3020:dortsw>2.0.co;2
Cessi, P., & Primeau, F. (2001). Dissipative selection of low-frequency modes in a reduced-gravity basin. Journal of Physical Oceanography, 31(1), 127–137. https://doi.org/10.1175/1520-0485(2001)031<0127:dsolfm>2.0.co;2
Gallego, B., & Cessi, P. (2001). Decadal variability of two oceans and an atmosphere. Journal of Climate, 14(13), 2815–2832. https://doi.org/10.1175/1520-0442(2001)014<2815:dvotoa>2.0.co;2
Primeau, F., & Cessi, P. (2001). Coupling between wind-driven currents and midlatitude storm tracks. Journal of Climate, 14(6), 1243–1261. https://doi.org/10.1175/1520-0442(2001)014<1243:cbwdca>2.0.co;2
Gallego, B., & Cessi, P. (2000). Exchange of heat and momentum between the atmosphere and the ocean: a minimal model of decadal oscillations. Climate Dynamics, 16(6), 479–489. https://doi.org/10.1007/s003820050341
Cessi, P. (2000). Thermal feedback on wind stress as a contributing cause of climate variability. Journal of Climate, 13(1), 232–244. https://doi.org/10.1175/1520-0442(2000)013<0232:tfowsa>2.0.co;2
Cessi, P. (1998). Angular momentum and temperature homogenization in the symmetric circulation of the atmosphere. Journal of the Atmospheric Sciences, 55(11), 1997–2015. https://doi.org/10.1175/1520-0469(1998)055<1997:amathi>2.0.co;2
Cessi, P., & Young, W. R. (1996). Some unexpected consequences of the interaction between convective adjustment and horizontal diffusion. Physica D, 98(2–4), 287–300. https://doi.org/10.1016/0167-2789(96)00118-2
Cessi, P. (1996). Grid-scale instability of convective-adjustment schemes. Journal of Marine Research, 54(3), 407–420. https://doi.org/10.1357/0022240963213529
Cessi, P. (1996). Convective adjustment and thermohaline excitability. Journal of Physical Oceanography, 26(4), 481–491. https://doi.org/10.1175/1520-0485(1996)026<0481:caate>2.0.co;2
Cessi, P., & Ierley, G. R. (1995). Symmetry-breaking multiple equilibria in quasi-geostrophic, wind-driven flows. Journal of Physical Oceanography, 25(6), 1196–1205. https://doi.org/10.1175/1520-0485(1995)025<1196:sbmeiq>2.0.co;2