Publications

Peer-reviewed articles & proceedings

  • (2025) Density destratification by a single bubble plume in long horizontal fluid layers in a dam lake. Murai, Y., Tasaka. Y., Noto, D. & Ulloa, H. N. Accepted in Environmental Fluid Mechanics.
  • (2025) Thermally driven cross-shore flows in stratified basins: A review on the thermal siphon dynamics. Bouffard. D., Doda, T., Ramón, C.L. & Ulloa, H. N. Accepted in FLOW.
  • (2024) Onset of cabbeling instabilities in superconfined two-fluid systems. Leyrer. J., Ulloa, H. N., Ortega, J. & Letelier, J. A. Physics of Fluids. DOI:10.1063/5.0238112
  • (2024) Energetics of particle-size segregation. Trewhela. T. & Ulloa, H. N. Journal of Fluid Mechanics. DOI:10.1017/jfm.2024.1053
  • (2024) Floating active carpets drive transport and aggregation in aquatic ecosystems. Aguayo, G., Mathijssen, A., Ulloa, H. N., Soto, R. & Guzman-Lastra, F.  Journal of Fluid Mechanics.  DOI:10.1017/jfm.2024.707.
  • (2024) Plume-scale confinement on thermal convection. Noto, D., Letelier, J. A. & Ulloa, H. N. Proceedings of the National Academy of Sciences (PNAS). DOI:10.1073/pnas.2403699121
  • (2024) Lake surface cooling drives littoral-pelagic exchanges of dissolves gases. T. Doda, C.L. Ramón, H. N. Ulloa, M. S. Brennwald, R. Kiefer, M.-E. Perga, C. J. Schubert & D. Bouffard. Science Advances. DOI: 10.1126/sciadv.adi0617
  • (2024) Simple tracking of occluded self-propelled organisms. Noto, D. & Ulloa, H. N. Measurement Science and Technology. DOI:10.1088/1361-6501/ad1813
  • (2023) Multi-layer Rayleigh-Taylor Instability: Consequences for naturally occurring stratified mixing layers. Sengupta, A., Ulloa, H.N., & Joshi, B. Physics of Fluids. DOI:10.1063/5.0170319
  • (2023) Stratified Horizontal Convection. Noto, D., Ulloa, H.N., Yanagisawa, T., & Tasaka, Y. Journal of Fluid Mechanics, A1. DOI:10.1017/jfm.2023.625
  • (2023) Scaling CO2–brine mixing in permeable media via analogue models – ERRATUM. Letelier, J., Ulloa, H., Leyrer, J., & Ortega, J. Journal of Fluid Mechanics, 966, E1. DOI:10.1017/jfm.2023.409 (Life happens)
  • (2023) Scaling CO2–brine mixing in permeable media via analogue models. Letelier, J., Ulloa, H., Leyrer, J., & Ortega, J. Journal of Fluid Mechanics, 962, A8. DOI:10.1017/jfm.2023.246
  • (2023) The impacts of climate change on thermal stratification and dissolved oxygen in the temperate, dimictic Mississippi Lake, Ontario. M. Yaghouti, N. Heidarzadeh, H.N. Ulloa, and N. Nakhaei. Ecological Informatics. DOI: 10.1016/j.ecoinf.2023.102087
  • (2023) Near-bed stratification controls bottom hypoxia in ice-covered alpine lakes. M.-E. Perga, C. Minaudo, T. Doda, F. Arthaud, H. Beria, H.E. Chmiel, N. Escoffier, T. Lambert, R. Napolleoni, B. Obrador, P. Perolo, J. Rüegg, H.N. Ulloa, & D. Bouffard. Limonology and Oceanography. DOI: 10.1002/lno.12341
  • (2023) Reconstructing temperature fields for thermally-driven flows under quasi-steady state. D. Noto, H.N. Ulloa, & JA. Letelier. Experiments in Fluids 64. DOI: 10.1007/s00348-023-03620-z
  • (2023) Basin-scale hydrodynamics and physical connectivity in a great Patagonian Lake. J. Abarca, H.N. Ulloa, Y. Niño, Journal of Great Lakes Research. DOI:10.1016/j.jglr.2022.12.008
  • (2023) Penetrative Convection Modifies the Dynamics of Downslope Gravity Currents. T. Doda, H.N. Ulloa, CL. Ramón, A. Wüest, D. Bouffard, Geophysical Research Letters. DOI:10.1029/2022GL100633
  • (2023) Disentangling the effects of climate change and reoligotrophication on primary production in a large lake. S. Krishna, H.N. Ulloa, E. Barbe, A. Wüest, Aquatic Sciences 85 (16). DOI:10.1007/s00027-022-00910-2
  • (2022). Towards Understanding Underwater Weather Events in Rivers Using Autonomous Surface Vehicles. A. K. Li et al. OCEANS 2022, Hampton Roads, Hampton Roads, VA, USA, pp. 1-8, DOI: 10.1109/OCEANS47191.2022.9977236.
  • (2022) Convective regimes induced by surface cooling and topography in stratified waterbodies. H.N. Ulloa, C.L. Ramón, T. Doda, D. Bouffard, Proceedings of the 39th IAHR World Congress. DOI:10.3850/IAHR-39WC2521716X20221552.
  • (2022) Flushing the Lake Littoral Region: The Interaction of Differential Cooling and Mild Winds. C.L. Ramón, H.N. Ulloa, T. Doda, D. Bouffard, Water Resources Research. DOI:10.1029/2021WR030943
  • (2022) Seasonality of density currents induced by differential cooling. T. Doda, C.L. Ramón, H.N. Ulloa, A. Wüest, D. Bouffard, Hydrol. Earth Syst. Sci. DOI:10.5194/hess-26-331-2022
  • (2022) Energetics and mixing of thermally driven flows in Hele-Shaw cells. H.N. Ulloa, J.A. Letelier, Journal of Fluid Mechanics. DOI:10.1017/jfm.2021.897
  • (2022) Development of overturning circulation due to surface cooling in sloping waterbodies. H.N. Ulloa, C.L. Ramón, T. Doda, A. Wüest, D. Bouffard, Journal of Fluid Mechanics. DOI:10.1017/jfm.2021.883
  • (2021) Diagnóstico de la condición trófica del Lago Villarrica utilizando imágenes satelitales. J. Bravo, T. Uraoka, H.N. Ulloa, Y. Niño, XXV Congreso Chileno de Ingeniería Hidráulica (Proceedings SOCHID). Repositorio UChile SOCHID-2021
  • (2021) Seasonality modulates wind-driven mixing pathways in a large lake. B. Fernández Castro, D. Bouffard, C. Troy, H.N. Ulloa, S. Piccolroaz, O. Sepúlveda Steiner, H.E Chmiel, L. Serra Moncadas, S. Lavanchy, A. Wüest, Communications Earth & Environment. DOI:10.1038/s43247-021-00288-3
  • (2021) Bathymetry and latitude modify lake warming under ice. CL. Ramón, H.N. Ulloa, T. Doda, KB. Winters, D. Bouffard, Hydrology and Earth System Sciences. DOI:10.5194/hess-25-1813-2021
  • (2021) Model-based data analysis of changes in winter mixing, primary production, and nutrients dynamics in an alpine lake. S. Krishna, H.N. Ulloa, O. Kerimoglu, C. Minaudo, O. Anneville, A. Wüest, Ecological Modelling. DOI:10.1016/j.ecolmodel.2020.109401
  • (2020) Horizontal transport under wind-induced resonance in stratified waterbodies. H.N. Ulloa, G. Constantinescu, K. Chang, D. Horna-Munoz, O. Hames, A. Wüest. Physical Review Fluids. DOI:10.1103/PhysRevFluids.5.054503
  • (2020) Differential heating drives downslope flows that accelerate mixed-layer warming in ice-covered lakes. H.N. Ulloa, K. Winters, A. Wüest, A., D. Bouffard. Geophysical Research Letters. DOI:10.1029/2019GL085258
  • (2019) Energetics of radiatively heated ice-covered lakes. K. Winters, H.N. Ulloa, A. Wüest, D. Bouffard. Geophysical Research Letters. DOI:10.1029/2019GL084182
  • (2019) Hydrodynamics of a periodically wind-forced small and narrow stratified basin: A large-eddy simulation experiment. H.N. Ulloa, G. Constantinescu, K. Chang, D. Horna-Munoz, O. Sepúlveda Steiner, D. Bouffard, A. Wüest, A. Env. Fluid. Mech. DOI:10.1007/s10652-018-9645-1
  • (2019) Under-ice convection dynamics in a boreal lake. D. Bouffard, G. Zdorovennova, S. Bogdanov, T. Efremova, S. Lavanchy, N. Palshin, A. Terzhevik, L. Raman Vinna, S. Volkov, A. Wüest, R. Zdorovennov, H.N Ulloa. Inland Waters. DOI:10.1080/20442041.2018.1533356
  • (2018) Mechanical energy budget and mixing efficiency for a radiatively heated ice-covered waterbody. H.N. Ulloa, A. Wüest, D. Bouffard. Journal of Fluid Mechanics. DOI:10.1017/jfm.2018.587
  • (2018) Evolution and decay of gravity wavefields in weak-rotating environments: A laboratory study. P. Rojas, H.N. Ulloa, Y. Niño. Env. Fluid Mech. DOI:10.1007/s10652-018-9609-5
  • (2018) Temporal variability in thermally-driven cross-shore exchange: the role of semidiurnal tides. H.N. Ulloa, KA. Davis, SG. Monismith, G. Pawlak. Journal Physical Oceanography. DOI: 10.1175/JPO-D-17-0257.1
  • (2017) Northern Arabian Sea Circulation-Autonomous Research (NASCar): A research initiative based on autonomous sensors. LR. Centurioni, V. Hormann, L.D. Talley, I. Arzeno, L. Beal, M. Caruso, P. Conry, R. Echols, H.J.S. Fernando, S.N. Giddings, A. Gordon, H. Graber, R.R. Harcourt, S.R. Jayne, T.G. Jensen, C.M. Lee, P.F.J. Lermusiaux, P. L’Hegaret, A.J. Lucas, A. Mahadevan, J.L. McClean, G. Pawlak, L. Rainville, S.C. Riser, H. Seo, A.Y. Shcherbina, E. Skyllingstad, J. Sprintall, B. Subrahmanyam, E. Terrill, R.E. Todd, C. Trott, H.N. Ulloa, H. Wang. Oceanogr. DOI:10.5670/oceanog.2017.224
  • (2016) High variability in cross-shore thermally driven exchange. H.N. Ulloa, K. Davis, G. Pawlak, S.G. Monismith. Proceedings of the 8th Int. Symp. on Stratified Flow (ISSF). escholarship.org/uc/ISSF-2016/Ulloa
  • (2015) Degeneration of Kelvin waves in a continuous two-layer stratification. H.N. Ulloa, K. Winters, A. de la Fuente, Y. Niño. Journal of Fluid Mechanics. DOI:10.1017/jfm.2015.311
  • (2014) An experimental study of the free evolution of rotating, nonlinear internal gravity waves in a two-layer stratified fluid.HN. Ulloa, A. de la Fuente, Y. Niño. Journal of Fluid Mechanics. DOI:10.1017/jfm.2014.10
  • (2013) Quantifying the effect of wind on internal wave resonance in Lake Villarrica, Chile. C. Rozas, A. de la Fuente, H.N. Ulloa, P. Davies, Y. Niño. Environ. Fluid Mech. DOI:10.1007/s10652-013-9329-9
  • (2011) Experimental study of the free evolution of the internal gravitational waves affected by Coriolis in a stratified flow. H.N. Ulloa, C. Rozas, A. de la Fuente, CM. García, Y. Niño. Proceedings of the 7th Int. Symp. on Stratified Flow (ISSF). ISSF-2011/Ulloa
  • (2010) Strong vertical mixing of deep water of a stratified reservoir during the Maule earthquake, central Chile (Mw 8.8). A. de la Fuente, C. Meruane, M. Contreras, H.N. Ulloa, Y. Niño. Geophysical Research Letters. DOI:10.1029/2010GL045798
  • (2010) Theoretical, field and experimental study on internal wave dynamics in rotating stratified basins. H.N. Ulloa, C. Rozas, A. de la Fuente, Y. Niño. Environmental Hydraulics, Proceedings of the 6th Int. Symp. on Env. Hydr., Athens, Greece. DOI:10.1201/b10553

GEFLOW (2022 – Present) contributions to scientific meetings

  • Dynamics of lab-scale icebergs melting in stratified environments. D. Noto & H.N. Ulloa, . Japanese Geophysical Union Meeting 2024. Makuhari, 29th May, 2024.
  • Horizontal convection in stratified systems. D. Noto, H.N. Ulloa & Y. Tasaka, . DFD, American Physical Society 2023. Link.
  • Hydrodynamic stirring driven by active carpets at fluid interfaces. F. Barros, H.N. Ulloa, A. Mathijssen, G. Aguayo & F. Guzmán-Lastra, . DFD, American Physical Society 2023. Link.
  • Controlling vertical transport driven by active carpets at viscosity interfaces. F. Guzmán-Lastra, F. Barros, A. Mathijssen & H.N. Ulloa. DFD, American Physical Society 2023. Link.
  • Multi-layer Rayleigh-Taylor instability in naturally occurring density stratified mixing layers. A, Sengupta, H.N. Ulloa & B. Joshi. DFD, American Physical Society 2023. Link.
  • Convective regimes of radiatively heated ice-covered waters. G. Estay, D. Noto, & H.N. Ulloa. DFD, American Physical Society 2023. Link.

  • Convection and thermal mixing in super-confined systems. H.N. Ulloa, D. Noto, & J. Letelier. DFD, American Physical Society 2023. Link.
  • Differential cooling in lakes. D. Bouffard, T. Doda, C. Ramón, & H.N. Ulloa. 24th Workshop on Physical Processes in Natural Waters (PPNW). Breccia, Italy, July 19-23, 2023. Link
  • Heat transport and mixing in extremely confined Rayleigh-Bénard convection. D. Noto, H.N. Ulloa, & J. Letelier. Japanese Geophysical Union Meeting 2023. Chiba, Japan, May 21-26, 2023. Link.
  • Towards Understanding Underwater Weather Events in Rivers Using Autonomous Surface Vehicles. A. K. Li, Y. Mao, S. Manjanna, S. Liu, J. Dhanoa, B. Mehta, V. M. Edwards, F. Cladera Ojeda, M. Ani Hsieh, M. Le Men, E. Sigg, D. J. Jerolmack, H.N. Ulloa. IEEE, OCEANS 2022, Hampton Roads, October 17-20, 2022. DOI: 10.1109/OCEANS47191.2022.9977236
  • Scaling the irreversible mixing of carbon dioxide in brine-rich permeable media. J. Letelier, H.N. Ulloa, J. Leyrer, & J. Ortega. DFD, American Physical Society 2022. Link.

  • Energy partitioning of thermally driven flows confined in Hele-Shaw systems. D. Noto, H.N. Ulloa, & J. Letelier. DFD, American Physical Society 2022. Link.

  • Energetics and mixing in Rayleigh-Benárd-Darcy convection in Hele-Shaw cells. H.N. Ulloa, D. Noto, J. Leyrer, & J. Letelier. DFD, American Physical Society 2022. Link.
  • Longitudinal roll structure formed in horizontal convection developing under non-uniform heating. D. Noto, Y. Tasaka, T. Yanagisawa, T. Miyagoshi, H.N. Ulloa. 14th European Fluid Mechanics Conference-EFMC14. Athens, Greece, September 13-16, 2022.
  • Development of nearshore overturning circulation due to surface cooling in freshwater bodies. Ulloa, H.N., Ramón, C., Winters, O., Doda, T., & Bouffard, D. 14th European Fluid Mechanics Conference-EFMC14. Athens, Greece, September 13-16, 2022.
  • Microswimmers colonizing an obstacle immersed in a Stokes flow. Ulloa, H.N., Faúndez, Espinoza, Soto, R. & Guzman-Lastra, F. 23rd Workshop on Physical Processes in Natural Waters (PPNW). Vancouver, Canada, July 18-22, 2022. Link.
  • Penetrative convection modifies the dynamics of a gravity current. Doda, T.,Ulloa, H.N., Ramón, C., & Bouffard, D. 23rd Workshop on Physical Processes in Natural Waters (PPNW). Vancouver, Canada, July 18-22, 2022. Link.
  • Convective regimes induced by surface cooling and topography in stratified waterbodies. Ulloa, H.N., Ramón, C., Winters, O., Doda, T., & Bouffard, D. 39th IAHR World  Congress. June 19 – 24, 2022, in Granada, Spain. 
  • Controls on oxygen depletion under lake ice. M.-E. Perga, C. Minaudo, H. Ulloa, T. Doda, P. Perolo, N. Escoffier, F. Arthaud, B. Obrador, D. Bouffard. EGU General Assembly 2022. DOI:10.5194/egusphere-egu22-4917.