Category Archives: fluid dynamics

Great podcast: “Confronting uncertainty with Tamsin Edwards”

Posted on 24 June 2020 by ecoquant

Dr Tamsin Edwards visits Professor David Spiegelhalter on his “Risky Talk” podcast. Dr Edwards is a climate scientist with the title Senior Lecturer in Physical Geography at Kings College, London. There’s much good talk about climate and its associated uncertainties, … Continue reading →

Posted in alternatives to the Green New Deal, American Association for the Advancement of Science, climate change, climate denial, climate education, climate policy, climate science, David Spiegelhalter, dynamical systems, fluid dynamics, games of chance, global warming, global weirding, IPCC, model comparison, risk, Risky Talk, statistical models, statistical series | Leave a comment

JIGSAW-GEO v1.0

Posted on 3 December 2019 by ecoquant

See: D. Engwirda, 2017: JIGSAW-GEO (1.0): Locally orthogonal staggered unstructured grid generation for general circulation modelling on the sphere, Geosci. Model Dev., 10, 2117-2140, doi:10.5194/gmd-10-2117-2017 and a general description at NASA. The figure below is copied from there.

Posted in climate models, climate science, fluid dynamics, geophysics, numerical algorithms, numerical analysis, numerical software | 1 Comment

“Climate Science for Climate Activists” is a wrap

Posted on 6 August 2019 by ecoquant

The class “Climate Science for Climate Activists” I have taught for the last 6 or so weeks is now completed. The slides are available here.

Posted in alternatives to the Green New Deal, Anthropocene, Association to Preserve Cape Cod, being carbon dioxide, Blackbody radiation, bridge to somewhere, Carbon Cycle, carbon dioxide, carbon dioxide capture, carbon dioxide sequestration, cement production, Clausius-Clapeyron equation, clean disruption, clear air capture of carbon dioxide, climate, Climate Adam, climate change, climate disruption, climate education, climate grief, climate models, ClimateAdam, Commonwealth of Massachusetts, decentralized electric power generation, decentralized energy, ecomodernism, electric vehicles, electricity, Emily Shuckburgh, emissions, energy utilities, environment, evidence, EVs, flooding, floods, fluid dynamics, fluid eddies, food, food scarcity, forecasting, fossil fuel divestment, fossil fuel infrastructure, fossil fuels, Gavin Schmidt, geoengineering, geophysics, glaciers, glaciology, Glen Peters, Global Carbon Project, global warming, Grant Foster, Green New Deal, Green Tech Media, greenhouse gases, greenwashing, grid defection, Hermann Scheer, Humans have a lot to answer for, hydrology, Hyper Anthropocene, ice sheet dynamics, icesheets, investment in wind and solar energy, investments, John Marshall, klaus lackner, lapse rate, leaving fossil fuels in the ground, life cycle sustainability analysis, Mark Jacobson, meteorological models, meteorology, Nathan Phillips, National Center for Atmospheric Research, negative emissions, nonlinear systems, nor'easters, ocean warming, oceanic eddies, oceanography, oceans, permafrost, personal purity, photovoltaics, precipitation, Principles of Planetary Climate, radiative forcing, Ray Pierrehumbert, Robert Young, science, sea level rise, seismology, shorelines, Sir David King, solar democracy, solar domination, solar energy, solar power, solar revolution, Stanford University, Stefan Rahmstorf, Steven Chu, Stewart Brand, sustainability, Svante Arrhenius, Tamino, the energy of the people, the green century, the right to know, the tragedy of our present civilization, the value of financial assets, utility company death spiral, Wally Broecker, water, water as a resource, WHOI, wild fires, wind power, wishful environmentalism, Woods Hole Oceanographic Institution, zero carbon | 1 Comment

forecast for 27th March 2018

Posted on 21 March 2018 by ecoquant

Today is the 21st of March, 2018. We are supposed to get our fourth nor’easter tomorrow this late Winter, and the third nor’easter in nearly as many weeks. ECMWF hosted, in this incarnation, at the Meteocentre UQAM in Montreal created … Continue reading →

Posted in American Association for the Advancement of Science, American Meteorological Association, American Statistical Association, AMETSOC, atmosphere, climate, climate change, climate disruption, climate education, climate models, coastal communities, ensemble methods, ensemble models, fluid dynamics, forecasting, global warming, Hyper Anthropocene, Mathematics and Climate Research Network, meteorological models, meteorology, numerical algorithms, physics, science, science education, spaghetti plots, tragedy of the horizon, water vapor | Leave a comment

on nonlinear dynamics of hordes of people

Posted on 6 February 2018 by ecoquant

I spent a bit of last week at a symposium honoring the work of Charney and Lorenz in fluid dynamics. I am no serious student of fluid dynamics. I have a friend, Klaus, an engineer, who is, and makes a … Continue reading →

Posted in Anthropocene, bifurcations, biology, Carl Safina, causation, complex systems, dynamic generalized linear models, dynamic linear models, dynamical systems, ecological services, ecology, Emily Shuckburgh, finance, Floris Takens, fluid dynamics, fluid eddies, games of chance, Hyper Anthropocene, investments, Lenny Smith, Lorenz, nonlinear, numerical algorithms, numerical analysis, politics, population biology, population dynamics, prediction markets, Principles of Planetary Climate, public transport, Ray Pierrehumbert, risk, sampling networks, sustainability, Timothy Lenton, Yale University Statistics Department, zero carbon, ``The tide is risin'/And so are we'' | 1 Comment

The work of Alec Bogdanoff and Carol Anne Clayson on the ocean surface boundary layer

Posted on 29 September 2017 by ecoquant

Drs Carol Anne Clayson and Alec Bogdanoff examined evaporation from the ocean surface and energy exchange at the boundary layer of the ocean surface, respectively. See also the interactive illustration here. (The above is from Dr Carol Anne Clayson’s personal … Continue reading →

Posted in American Meteorological Association, AMETSOC, atmosphere, climate data, complex systems, differential equations, diffusion processes, dynamical systems, energy flux, fluid dynamics, geophysics, meteorology, oceanography, Principles of Planetary Climate, WHOI, Woods Hole Oceanographic Institution | Leave a comment

Yes, I will be marching for Science in Boston

Posted on 8 March 2017 by ecoquant

Like many, including Eli Rabett, I will be marching for Science in April, on Earth Day. My march will be part of the Boston march. Why? Because Science has been and is my life, and it always has been, and … Continue reading →

Posted in American Association for the Advancement of Science, American Meteorological Association, American Statistical Association, AMETSOC, astronomy, astrophysics, Carl Sagan, climate, Climate Lab Book, ecology, Eli Rabett, engineering, fluid dynamics, geophysics, hydrology, marine biology, meteorology, physics, population biology, Principles of Planetary Climate, reason, science, Scripps Institution of Oceanography, theoretical physics, thermodynamics, WHOI, Woods Hole Oceanographic Institution, XKCD | Leave a comment

NCAR reports on a teleconnection between the Pacific and continental USA

Posted on 22 December 2016 by ecoquant

The National Center for Atmospheric Research (“NCAR”) reports on a newly substantiated teleconnection between positive sea surface temperature anomalies (“SSTA”) in the Pacific and the temperatures over the continental United States (“CONUS”) 50 days later. A teleconnection is: A linkage … Continue reading →

Posted in American Meteorological Association, AMETSOC, Anthropocene, atmosphere, attribution, climate, climate data, coastal communities, coasts, dynamical systems, environment, fluid dynamics, fluid eddies, food, forecasting, geophysics, hydrology, Hyper Anthropocene, living shorelines, Mathematics and Climate Research Network, meteorological models, meteorology, National Center for Atmospheric Research, NCAR, NOAA, oceanic eddies, oceanography, open data, Principles of Planetary Climate, sea level rise, U.S. Navy, WHOI, Woods Hole Oceanographic Institution | Leave a comment

What’s going on in the ocean off the Northeast United States

Posted on 29 October 2016 by ecoquant

Hint: Climate change has somethin’ to do with it. Schematic diagram illustrating the component parts of the AMOC and the 26◦ N observing system. Black arrows represent the Ekman transport (predominantly northward). Red arrows illustrate the circulation of warm waters … Continue reading →

Posted in American Association for the Advancement of Science, American Meteorological Association, AMETSOC, anomaly detection, Anthropocene, bifurcations, climate, climate change, climate disruption, coastal communities, critical slowing down, dynamical systems, ecology, environment, fluid dynamics, geophysics, global warming, Hyper Anthropocene, John Marshall, meteorology, oceanic eddies, oceanography, physics, regime shifts, science, Scripps Institution of Oceanography, sea level rise, the right to be and act stupid, the right to know, thermohaline circulation, WHOI, Woods Hole Oceanographic Institution | Leave a comment

Just a lil’ bit o’ a drought … Nothing to be alarmed about … (!)

Posted on 21 September 2016 by ecoquant
Posted in adaptation, American Meteorological Association, AMETSOC, Anthropocene, atmosphere, climate change, climate data, climate disruption, drought, environment, fluid dynamics, global warming, greenhouse gases, hydrology, Hyper Anthropocene, leaving fossil fuels in the ground, meteorology, quantitative ecology, Spaceship Earth, statistics, time series, water, water vapor, WHOI, zero carbon | Leave a comment

“Full-depth Ocean Heat Content” reblog

Posted on 28 July 2016 by ecoquant

This is a re-blog of an excellent post at And Then There’s Physics, titled Full-depth OHC or, expanded, “full-depth ocean heat content”. Since my holiday is now over, I thought I might briefly comment on a recent paper by Cheng … Continue reading →

Posted in Anthropocene, climate, climate change, climate data, climate disruption, climate models, computation, differential equations, ensembles, environment, fluid dynamics, forecasting, geophysics, global warming, greenhouse gases, Hyper Anthropocene, Lorenz, Mathematics and Climate Research Network, model comparison, NOAA, oceanography, physics, science, statistics, theoretical physics, thermodynamics, time series | Leave a comment

“The Myth of the 1970s Global Cooling Consensus”

Posted on 6 April 2016 by ecoquant

“The Myth of the 1970s Global Cooling Scientific Consensus“, T. C. Peterson, W. M. Connolley, J. Fleck, http://dx.doi.org/10.1175/2008BAMS2370.1. Abstract Climate science as we know it today did not exist in the 1960s and 1970s. The integrated enterprise embodied in the … Continue reading →

Posted in AMETSOC, Anthropocene, carbon dioxide, citizen science, climate, climate change, climate data, climate disruption, climate education, climate zombies, coastal communities, differential equations, dynamic linear models, dynamical systems, ecology, environment, fluid dynamics, fossil fuel divestment, fossil fuels, geophysics, global warming, greenhouse gases, Hyper Anthropocene, ice sheet dynamics, investing | Leave a comment

Going down to the Southern Ocean, by Earle Wilson (on the Scripps R/V Roger Revelle)

Posted on 5 March 2016 by ecoquant

(Click on picture to see a larger image, and use your browser Back button to return to reading.) Getting steady data from the Earth’s oceans demands commitment and not a little courage. I could never do what these oceanographers do, … Continue reading →

Posted in Alison M Macdonald, anemic data, Antarctica, climate data, complex systems, Earle Wilson, Emily Shuckburgh, engineering, environment, fluid dynamics, geophysics, marine biology, NOAA, oceanic eddies, oceanography, open data, Principles of Planetary Climate, sampling, science, Scripps Institution of Oceanography, thermohaline circulation, waves, WHOI, Woods Hole Oceanographic Institution | Leave a comment

Phytoplankton-delineated oceanic eddies near Antarctica

Posted on 10 February 2016 by ecoquant

Excerpt, from NASA: Phytoplankton are the grass of the sea. They are floating, drifting, plant-like organisms that harness the energy of the Sun, mix it with carbon dioxide that they take from the atmosphere, and turn it into carbohydrates and … Continue reading →

Posted in AMETSOC, Antarctica, Arctic, bacteria, Carbon Cycle, complex systems, differential equations, diffusion, diffusion processes, dynamic linear models, dynamical systems, Emily Shuckburgh, environment, fluid dynamics, geophysics, GLMs, John Marshall, marine biology, Mathematics and Climate Research Network, NASA, numerical analysis, numerical software, oceanic eddies, oceanography, physics, phytoplankton, science, thermohaline circulation, WHOI, Woods Hole Oceanographic Institution | Leave a comment