Sheila N. Estrada‐Allis

ORCID: 0000-0002-0005-4629
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About
Contact & Profiles
Research Areas
  • Oceanographic and Atmospheric Processes
  • Marine and coastal ecosystems
  • Marine Biology and Ecology Research
  • Tropical and Extratropical Cyclones Research
  • Ocean Acidification Effects and Responses
  • Ocean Waves and Remote Sensing
  • Climate variability and models
  • Methane Hydrates and Related Phenomena
  • Geology and Paleoclimatology Research
  • Marine and fisheries research
  • Underwater Acoustics Research
  • Oil Spill Detection and Mitigation
  • Arctic and Russian Policy Studies
  • Coastal and Marine Management
  • Aeolian processes and effects
  • Hydraulic and Pneumatic Systems
  • Geological Studies and Exploration
  • Maritime Navigation and Safety
  • Geophysics and Gravity Measurements
  • Astro and Planetary Science
  • Marine and environmental studies
  • Engineering and Information Technology
  • Vibration and Dynamic Analysis
  • Global Energy and Sustainability Research
  • Atmospheric and Environmental Gas Dynamics

Ensenada Institute of Technology
2022-2024

Center for Scientific Research and Higher Education at Ensenada
2017-2024

Center for Research and Advanced Studies of the National Polytechnic Institute
2023

Center for Engineering and Industrial Development
2023

Universidad Nacional Autónoma de México
2023

Atmos (Czechia)
2023

El Colegio de la Frontera Sur
2023

Universidad de Las Palmas de Gran Canaria
2013-2015

Lay Abstract The study of transport by ocean currents has important applications for fisheries, conservation biology, pollution control, and military rescue missions, among others. Though the number observations world increased substantially in last decade, drifting induced at different depths is still not yet fully mapped or well understood. In this article we use an circulation model to oceanic within Canary Basin, located northeast Atlantic Ocean. To assess accuracy calculations,...

10.1215/21573689-2152611 article EN Limnology & Oceanography Fluids & Environments 2013-02-01

Abstract Vertical motions play a key role in the enhancement of primary production within mesoscale eddies through introduction nutrients into euphotic layer. However, details vertical velocity field w driving these enhancements remain under discussion. For first time associated with an intrathermocline eddy is computed and analyzed using situ high-resolution three-dimensional (3D) fields density horizontal by resolving generalized omega equation valid for high Rossby numbers. In seasonal...

10.1175/jpo-d-16-0235.1 article EN other-oa Journal of Physical Oceanography 2017-03-27

MEPS Marine Ecology Progress Series Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout JournalEditorsTheme Sections 499:35-46 (2014) - DOI: https://doi.org/10.3354/meps10668 Coupling between upper ocean layer variability and size-fractionated phytoplankton in a non-nutrient-limited environment Pablo Sangrà1,*, Cristina García-Muñoz2, Carlos M. García3, Ángeles Marrero-Díaz4, Sobrino5, Beatriz Mouriño-Carballido5, Borja...

10.3354/meps10668 article EN Marine Ecology Progress Series 2013-11-29

Abstract The complex structure of the vertical velocity field inside an anticyclonic eddy located just south Canary Islands is analyzed through a high-resolution ocean model. Based on flow divergence, decomposed into various forcing components. analysis reveals that advection and stretching vorticity are most important contributions to within eddy. In mixed layer, small-scale multipolar pattern dominates. This result mixing effects enhance surface by increasing ageostrophic profile. As...

10.1175/jpo-d-17-0156.1 article EN Journal of Physical Oceanography 2018-10-15

Abstract Observational evidence demonstrates the signature of near‐inertial wave (NIW) trapping by a long‐lived westward propagating mesoscale anticyclonic eddy under normal atmospheric conditions. Cross‐eddy sections density and shipboard acoustic Doppler current profiler data show downward (upward phase) propagation NIW packets with vertical wavelengths 200 m within eddy, energy amplification in critical layer located near base anticyclone. Elevated strain variance, enhanced turbulent...

10.1029/2019jc015168 article EN Journal of Geophysical Research Oceans 2019-11-01

Abstract. Continental shelves are the most productive areas in seas with strongest implications for global nitrogen cycling. The Yucatán shelf (YS) is largest Gulf of Mexico (GoM); however, its budget has not been quantified. This largely due to lack significant spatio-temporal situ measurements and complexity dynamics, including coastal upwelling, coastal-trapped waves (CTWs), influence Current (YC) via bottom Ekman transport dynamic uplift. In this paper, we investigate quantify dissolved...

10.5194/bg-17-1087-2020 article EN cc-by Biogeosciences 2020-02-28

The eruptive phase of a submarine volcano located 2 km away from the southern coast El Hierro Island started on October 2011. This extraordinary event provoked dramatic perturbation water column. In order to understand and quantify environmental impacts caused, regular multidisciplinary monitoring was carried out using remote sensing sensors. this context, we performed systematic processing every MODIS MERIS selected high resolution Worldview-2 imagery provide information concentration...

10.3390/s150408732 article EN cc-by Sensors 2015-04-14

Abstract. Continental shelves are the most productive areas in seas with strongest implications for global Total Nitrogen (TN) cycling. The Yucatan shelf is largest Gulf of Mexico (GoM), however, its general TN budget has not been quantified. This largely due to lack significant spatio-temporal situ measurements and complexity dynamics, including Current, coastal upwelling, Coastal Trapped Waves (CTWs) bottom Ekman transport. Through a nine years output coupled physical-biogeochemical model...

10.5194/bg-2019-106 article EN cc-by 2019-04-26

Abstract Mesoscale warm‐core rings, known as Loop Current rings (LCRs) reshape the Gulf of Mexico water masses by redistributing large amounts heat and salt laterally. LCRs also transform via diapycnal mixing, but mechanisms which this occurs are poorly measured. Here, we present glider‐MicroPod turbulence observations that reveal enhanced mixing below mixed layer, along eddy edges, driving LCR's heat, salt, oxygen exchanges. Interleavings adjacent may be interpreted mainly a manifestation...

10.1029/2024gl110845 article EN cc-by-nc-nd Geophysical Research Letters 2024-11-29

The distribution and variability of phytoplankton in the upper layers ocean are highly correlated with physical processes at different time spatial scales. Model simulations have shown that submesoscale features play a pivotal role on plankton distribution, metabolism carbon fluxes. However, there is lack observational studies provide evidence for complexity short-term inferred from theoretical modeling approaches. In present study, development decay front south Gran Canaria Island tracked...

10.3389/fmars.2021.592703 article EN cc-by Frontiers in Marine Science 2021-03-17

In order to understand and quantify the environmental impacts caused by eruption of El Hierro Island submarine volcano, a regular multidisciplinary monitoring was carried out. this context, we performed systematic processing MODIS MERIS imagery. Thanks volcanic tracer, detailed studies could be undertaken using ocean color imagery allowing, for first time, monitor process filamentation axisymmetrization. our work, novel 2-steps segmentation methodology has been developed. natural tracer...

10.1109/igarss.2015.7326907 article EN 2015-07-01

The need to understand and forecast disasters driven by anthropogenic natural forces in the Gulf of Mexico support management responses hazardous events led policymakers, scientists, industry representatives launch an ocean observation modeling project (2015–2023) aimed at collecting multi-layered baseline information continuous monitoring environment across southern Mexico. observational network efforts, Consorcio de Investigación del Golfo México (Research Consortium for Mexico, CIGoM),...

10.5670/oceanog.2023.s1.18 article EN cc-by Oceanography 2023-01-01

The filaments of the African Eastern Boundary Upwelling System (EBUS) are responsible for feeding nutrients to oligotrophic waters northeastern Atlantic. However, turbulent mixing associated with nutrient uplift in is poorly documented and has been mainly evaluated numerically. Using microstructure profiler measurements, we detected enhanced kinetic energy dissipation rates ( ε ) within Cape Ghir upwelling filament. In contrast previous studies, this enhancement was not related symmetrical...

10.3389/fmars.2023.1113879 article EN cc-by Frontiers in Marine Science 2023-07-17
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