Distributed Solar: The Democratizaton of Energy
Blogroll
- Pat's blog While it is described as “The mathematical (and other) thoughts of a (now retired) math teacher”, this is false humility, as it chronicles the present and past life and times of mathematicians in their context. Recommended.
- Number Cruncher Politics
- All about ENSO, and lunar tides (Paul Pukite) Historically, ENSO has been explained in terms of winds. But recently — and Dr Paul Pukite has insisted upon this for a long time — the oscillation of ENSO has been explained as a large-scale slosh due to lunar tidal forcing.
- South Shore Recycling Cooperative Materials management, technical assistance and networking, town advocacy, public outreach
- Bob Altemeyer on authoritarianism (via Dan Satterfield) The science behind the GOP civil war
- Higgs from AIR describing NAO and EA Stephanie Higgs from AIR Worldwide gives a nice description of NAO and EA in the context of discussing “The Geographic Impact of Climate Signals on European Winter Storms”
- Harvard's Project Implicit
- Dr James Spall's SPSA
- All about models
- London Review of Books
- "Impacts of Green New Deal energy plans on grid stability, costs, jobs, health, and climate in 143 countries" (Jacobson, Delucchi, Cameron, et al) Global warming, air pollution, and energy insecurity are three of the greatest problems facing humanity. To address these problems, we develop Green New Deal energy roadmaps for 143 countries.
- WEAPONS OF MATH DESTRUCTION Cathy OâNeilâs WEAPONS OF MATH DESTRUCTION,
- Dominic Cummings blog Chief advisor to the PM, United Kingdom
- NCAR AtmosNews
- Busting Myths About Heat Pumps Heat pumps are perhaps the most efficient heating and cooling systems available. Recent literature distributed by utilities hawking natural gas and other sources use performance figures from heat pumps as they were available 15 years ago. See today’s.
- Logistic curves in market disruption From DollarsPerBBL, about logistic or S-curves as models of product take-up rather than exponentials, with notes on EVs
- Musings on Quantitative Paleoecology Quantitative methods and palaeoenvironments.
- Karl Broman
- Thaddeus Stevens quotes As I get older, I admire this guy more and more
- Brian McGill's Dynamic Ecology blog Quantitative biology with pithy insights regarding applications of statistical methods
- Healthy Home Healthy Planet
- Gabriel's staircase
- Label Noise
- The Keeling Curve: its history History of the Keeling Curve and Charles David Keeling
- "The Expert"
- Leverhulme Centre for Climate Change Mitigation
- SASB Sustainability Accounting Standards Board
- Quotes by Nikola Tesla Quotes by Nikola Tesla, including some of others he greatly liked.
- Awkward Botany
- Tony Seba Solar energy, electric vehicle, energy storage, and business disruption professor and visionary
- Mike Bloomberg, 2020 He can get progress on climate done, has the means and experts to counter the Trump and Republican digital disinformation machine, and has the experience, knowledge, and depth of experience to achieve and unify.
- Why "naive Bayes" is not Bayesian Explains why the so-called “naive Bayes” classifier is not Bayesian. The setup is okay, but estimating probabilities by doing relative frequencies instead of using Dirichlet conjugate priors or integration strays from The Path.
- Leadership lessons from Lao Tzu
- Tim Harford's “More or Less'' Tim Harford explains – and sometimes debunks – the numbers and statistics used in political debate, the news and everyday life
- Ives and Dakos techniques for regime changes in series
- Carl Safina's blog One of the wisest on Earth
- John Kruschke's "Dong Bayesian data analysis" blog Expanding and enhancing John’s book of same title (now in second edition!)
- Nadler Strategy, LLC, on sustainability Thinking about business, efficient and effective management, and business value
- Mark Berliner's video lecture "Bayesian mechanistic-statistical modeling with examples in geophysical settings"
- John Cook's reasons to use Bayesian inference
- Earth Family Beta MIchael Osborne’s blog on Science and the like
- The Mermaid's Tale A conversation about biological complexity and evolution, and the societal aspects of science
- Slice Sampling
- Subsidies for wind and solar versus subsidies for fossil fuels
- AP Statistics: Sampling, by Michael Porinchak Twin City Schools
- Gavin Simpson
- "Talking Politics" podcast David Runciman, Helen Thompson
- WEAPONS OF MATH DESTRUCTION, reviews Reviews of Cathy O’Neil’s new book
- The Plastic Pick-Up: Discovering new sources of marine plastic pollution
- Ted Dunning
climate change
- Ăquiterre Equiterre helps build a social movement by encouraging individuals, organizations and governments to make ecological and equitable choices, in a spirit of solidarity.
- Earth System Models
- Climate at a glance Current state of the climate, from NOAA
- Isaac Held's blog In the spirit of Ray Pierrehumbertâs âbig ideas come from small modelsâ in his textbook, PRINCIPLES OF PLANETARY CLIMATE, Dr Held presents quantitative essays regarding one feature or another of the Earthâs climate and weather system.
- Exxon-Mobil statement on UNFCCC COP21
- Warming slowdown discussion
- Wally Broecker on climate realism
- Grid parity map for Solar PV in United States
- Ice and Snow
- "Warming Slowdown?" (part 1 of 2) The idea of a global warming slowdown or hiatus is critically examined, emphasizing the literature, the datasets, and means and methods for telling such. In two parts.
- And Then There's Physics
- Risk and Well-Being
- weather blocking patterns
- HotWhopper: It's excellent. Global warming and climate change. Eavesdropping on the deniosphere, its weird pseudo-science and crazy conspiracy whoppers.
- Climate Communication Hassol, Somerville, Melillo, and Hussin site communicating climate to the public
- Berkeley Earth Surface Temperature
- `The unchained goddess' 1958 Bell Telephone Science Hour broadcast regarding, among other things, climate change.
- US$165/tonne CO2: Sweden Sweden has a Carbon Dioxide tax of US$165 per tonne at present. CO2 tax was imposed in 1991. GDP has grown 60%.
- "Impacts of Green New Deal energy plans on grid stability, costs, jobs, health, and climate in 143 countries" (Jacobson, Delucchi, Cameron, et al) Global warming, air pollution, and energy insecurity are three of the greatest problems facing humanity. To address these problems, we develop Green New Deal energy roadmaps for 143 countries.
- Rabett Run Incisive analysis of climate science versus deliberate distraction
- Tuft's Professor Kenneth Lang on the physical chemistry of the Greenhouse Effect
- "Lessons of the Little Ice Age" (Farber) From Dan Farber, at LEGAL PLANET
- Updating the Climate Science: What path is the real world following? From Professors Makiko Sato & James Hansen of Columbia University
- Eli on the spectroscopic basis of atmospheric radiation physical chemistry
- ATTP summarizes all that stuff about Committed Warming from AND THEN THERE’S PHYSICS
- Nick Bower's "Scared Scientists"
- Professor Robert Strom's compendium of resources on climate change Truly excellent
- Ellenbogen: There is no Such Thing as Wind Turbine Syndrome
- The Carbon Cycle The Carbon Cycle, monitored by The Carbon Project
- Bloomberg interactive graph on “What's warming the world''
- Agendaists Eli Rabett’s coining of a phrase
- All Models Are Wrong Dr Tamsin Edwards blog about uncertainty in science, and climate science
- Sir David King David King’s perspective on climate, and the next thousands of years for humanity
- Energy payback period for solar panels Considering everything, how long do solar panels have to operate to offset the energy used to produce them?
- `Who to believe on climate change': Simple checks By Bart Verheggen
- Climate impacts on retail and supply chains
- Ray Pierrehumbert's site related to "Principles of Planetary Climate" THE book on climate science
- Mrooijer's Global Temperature Explorer
- David Appell's early climate science
- Non-linear feedbacks in climate (discussion of Bloch-Johnson, Pierrehumbert, Abbot paper) Discussion of http://onlinelibrary.wiley.com/wol1/doi/10.1002/2015GL064240/abstract
- Wind sled Wind sled: A zero carbon way of exploring ice sheets
- Social Cost of Carbon
- The Keeling Curve The first, and one of the best programs for creating a spatially significant long term time series of atmospheric concentrations of CO2. Started amongst great obstacles by one, smart determined guy, Charles David Keeling.
- Skeptical Science
- RealClimate
- Paul Beckwith Professor Beckwith is, in my book, one of the most insightful and analytical observers on climate I know. I highly recommend his blog, and his other informational products.
- âWays to [try to] slow the Solar Century''
- “The discovery of global warming'' (American Institute of Physics)
- Tamino's Open Mind Open Mind: A statistical look at climate, its science, and at science denial
- World Weather Attribution
Archives
Jan Galkowski
Category Archives: maths
On generating close to point of consumption
I’ve written about Sankey diagrams before, and Professor Kevin Anderson appeals to them to promote demand reduction as a powerful pathway to reducing Carbon emissions. But the overheads associated with transmission and distribution affect large scale generation of solar and … Continue reading
Posted in adaptation, Anthropocene, bridge to nowhere, Cape Wind, citizenship, clean disruption, conservation, consumption, decentralized electric power generation, decentralized energy, demand-side solutions, destructive economic development, distributed generation, economics, efficiency, Egbert van Nes, electricity, electricity markets, energy, energy reduction, energy utilities, engineering, environment, evidence, fossil fuel divestment, greenwashing, Hyper Anthropocene, ignorance, investment in wind and solar energy, Kevin Anderson, local generation, maths, microgrids, public utility commissions, PUCs, rate of return regulation, rationality, reasonableness, regulatory capture, Sankey diagram, solar energy, solar power, sustainability, Tony Seba, wind energy, wind power, zero carbon
2 Comments
“Grid shading by simulated annealing” [Martyn Plummer]
Source: Grid shading by simulated annealing (or what I did on my holidays), aka “fun with GCHQ job adverts”, by Martyn Plummer, developer of JAGS. Excerpt: I wanted to solve the puzzle but did not want to sit down with … Continue reading
Posted in approximate Bayesian computation, Bayesian, Bayesian inversion, Boltzmann, BUGS, Christian Robert, Gibbs Sampling, JAGS, likelihood-free, Markov Chain Monte Carlo, Martyn Plummer, mathematics, maths, MCMC, Monte Carlo Statistical Methods, optimization, probabilistic programming, SPSA, stochastic algorithms, stochastic search
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Ah, Hypergeometric!
(“Ah, Hypergeometric!” To be said with the same resignation and acceptance as in “I’ll burn my books–Ah, Mephistopheles!” from Faust.)đ Dr John Cook, eminent all ’round statistician (with a specialty in biostatistics) and statistical consultant, took up a comment I … Continue reading
high dimension Metropolis-Hastings algorithms
If attempting to simulate from a multivariate standard normal distribution in a large dimension, when starting from the mode of the target, i.e., its mean Îł, leaving the mode Îłis extremely unlikely, given the huge drop between the value of the density at the mode Îł and at likely realisations Continue reading
Posted in Bayes, Bayesian, Bayesian inversion, boosting, chance, Christian Robert, computation, ensembles, Gibbs Sampling, James Spall, Jerome Friedman, Markov Chain Monte Carlo, mathematics, maths, MCMC, Monte Carlo Statistical Methods, multivariate statistics, numerical software, numerics, optimization, reasonableness, Robert Schapire, SPSA, state-space models, statistics, stochastic algorithms, stochastic search, stochastics, Yoav Freund
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Causal Diagrams
Like Sankey diagrams, causal diagrams are a useful tool to assess and communicate complicated systems and their intrarelationships: It’s possible to use these for analysis and prescription: Here is the (promised) presentation on reenforcing loops: So how can these techniques … Continue reading
Posted in adaptation, bridge to nowhere, Carbon Cycle, carbon dioxide, carbon dioxide sequestration, Carbon Tax, Carbon Worshipers, causal diagrams, clean disruption, climate, climate change, climate disruption, climate education, climate models, demand-side solutions, differential equations, dynamical systems, ecology, economics, energy utilities, environment, exponential growth, fossil fuel divestment, fossil fuels, global warming, greenhouse gases, greenwashing, Hyper Anthropocene, mathematics, mathematics education, maths, methane, mitigation, natural gas, planning, prediction, rationality, reasonableness, recycling, Sankey diagram, sustainability, the right to know, zero carbon
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El Nino In A Can – Dan’s Wild Wild Science Journal – AGU Blogosphere
Click the image above to see a video from the GFDL CM2.6 climate model. This is NOT this yearâs El Nino. When you start a climate model in which the ocean and the land and atmosphere can inte⌠Source: El … Continue reading
Posted in AMETSOC, astrophysics, climate, climate change, climate models, computation, Dan Satterfield, differential equations, diffusion, diffusion processes, dynamical systems, ENSO, environment, forecasting, geophysics, global warming, Hyper Anthropocene, Kerry Emanuel, mathematics, maths, mesh models, meteorology, model comparison, NASA, NCAR, NOAA, numerical analysis, oceanography, physics, Principles of Planetary Climate, rationality, Ray Pierrehumbert, reasonableness, science, Spaceship Earth, stochastics, supercomputers, the right to know, thermodynamics, time series
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“1D Wave with Delta Potential and Triangle Initial Position” (Jeff Galkowski, Stanford)
The latest calculations from Jeff Galkowski, of Stanford.
Posted in computation, engineering, Jeff Galkowski, mathematics, maths, McGill University, numerical analysis, numerical software, physics, proud dad, quantum, scattering, science, Stanford University, the right to know, University of California Berkeley, University of Rochester, wave equations, waves
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Southern Oscillation (SOI) correlated with Outgoing Longwave Radiation (OLR)
To the climate community this is nothing at all new, but I spotted these time series today and thought they would make a nice exhibit on how something people have direct control over, greenhouse gas emissions, affect a “teleconnection mechanism” … Continue reading
Posted in AMETSOC, bifurcations, carbon dioxide, climate, climate change, climate disruption, climate models, Dan Satterfield, differential equations, dynamic linear models, dynamical systems, ENSO, environment, forecasting, generalized linear models, geophysics, global warming, greenhouse gases, IPCC, Mathematica, mathematics, maths, meteorology, NCAR, NOAA, numerical software, oceanography, open data, physics, population biology, Principles of Planetary Climate, rationality, reasonableness, science, Spaceship Earth, state-space models, thermodynamics, time series
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What it takes to power a (light) bulb, and Sankey Diagrams
Kevin Anderson has a chart he uses to argue for demand-side reduction of energy use as a powerful way to achieve emission reductions of greenhouse gases. That chart is: It is derived from the IPCC AR4 Working Group 3 Report, … Continue reading
Posted in adaptation, Anthropocene, climate disruption, conservation, consumption, decentralized electric power generation, decentralized energy, demand-side solutions, Don Cleland, economics, efficiency, energy, energy reduction, energy utilities, engineering, environment, global warming, Hyper Anthropocene, investment in wind and solar energy, IPCC, maths, meteorology, microgrids, natural gas, physics, public utility commissions, PUCs, reasonableness, Sankey diagram, solar energy, solar power, SolarPV.tv, sustainability, thermodynamics, Tony Seba, wind energy, wind power, zero carbon
11 Comments
On differential localization of tumors using relative concentrations of ctDNA. Part 1.
Like most mammalian tissue, tumors often produce shards of DNA as a byproduct of cell death and fracture. This circulating tumor DNA is being studied as a means of detecting tumors or their resurgence after treatment. (See also a Q&A … Continue reading
Posted in approximate Bayesian computation, Bayesian, Bayesian inversion, cardiovascular system, diffusion, dynamic linear models, eigenanalysis, engineering, forecasting, mathematics, maths, medicine, networks, prediction, spatial statistics, statistics, stochastic algorithms, stochastic search, wave equations
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“Too late to prevent climate change: Here’s how we adapt” (Alice Bows-Larkin)
Here’s how we adapt.
Posted in adaptation, Anthropocene, astrophysics, bridge to nowhere, capricious gods, carbon dioxide, chance, citizenship, civilization, climate, climate change, climate disruption, climate education, ecology, economics, environment, ethics, forecasting, fossil fuels, games of chance, geophysics, global warming, Hyper Anthropocene, ignorance, mathematics, maths, meteorology, mitigation, oceanography, physics, planning, prediction, probability, rationality, reasonableness, risk, science, statistics, sustainability, zero carbon
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Waves in transmission problems ( by Jeff Galkowski)
“Distribution of resonances in scattering by thin barriers“, by Jeff Galkowski, Department of Mathematics, Stanford University. The lecture: “A solution to the wave equation for the transparent obstacle with speed 0.5. Damping is placed near the boundary of what is … Continue reading
Incredible Rainfall In South Carolina, and Yes Climate Played A Role – Dan’s Wild Wild Science Journal – AGU Blogosphere
Make no mistake, this was a flood event unlike any other in South Carolina and while Hurricane Joaquin never hit the coast, it holds a smoking gun. This flood was the result of several factors, an ⌠Source: Incredible Rainfall … Continue reading
Posted in adaptation, Anthropocene, carbon dioxide, citizenship, civilization, climate change, climate disruption, Dan Satterfield, environment, forecasting, geophysics, global warming, hurricanes, Hyper Anthropocene, ignorance, IPCC, James Hansen, maths, meteorology, mitigation, NOAA, oceanography, physics, prediction, Principles of Planetary Climate, probability, rationality, Ray Pierrehumbert, reasonableness, science, science education, spatial statistics, statistics, sustainability, Tamino, the right to know, zero carbon
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The Art and Science of Stefan Rahmstorf
Updated, 21st September 2015 I particularly like the last scene from TDAT. James Hansen and Makiko Sato have an update titled “Predictions Implicit in ‘Ice Melt’ Paper and Global Implications”. WHOI has studied the Irminger Sea and continues the study … Continue reading
Posted in Anthropocene, art, bifurcations, carbon dioxide, Cauchy distribution, civilization, climate, climate change, climate disruption, climate education, destructive economic development, disingenuity, ecology, economics, education, environment, ethics, Exxon, games of chance, geophysics, global warming, humanism, Hyper Anthropocene, icesheets, IPCC, James Hansen, mathematics, maths, physical materialism, physics, rationality, reasonableness, science, sea level rise, statistics, sustainability, the right to know
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Questions About El Nino Answered – Dan’s Wild Wild Science Journal – AGU Blogosphere
Source: Questions About El Nino Answered – Dan’s Wild Wild Science Journal – AGU Blogosphere
“Dismantling the Utility Model is the Fastest Path to a Cleaner Electricity Infrastructure”
Dismantling the Utility Model is the Fastest Path to a Cleaner Electricity Infrastructure, by Thomas Conroy.
Posted in Cauchy distribution, clean disruption, climate disruption, conservation, consumption, decentralized electric power generation, decentralized energy, demand-side solutions, destructive economic development, economics, efficiency, EIA, energy, energy reduction, energy utilities, engineering, fossil fuel divestment, fossil fuels, global warming, investment in wind and solar energy, maths, mitigation, natural gas, optimization, pipelines, politics, public utility commissions, rationality, reasonableness, solar energy, solar power, SolarPV.tv, Tony Seba, zero carbon
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Solar array with cloud predicting technology launched in WA
Australia’s first grid-connected solar power project with cloud predicting technology launched at Karratha Airport, WA, in bid to smooth solar supply. Source: Solar array with cloud predicting technology launched in WA
Posted in adaptation, Anthropocene, carbon dioxide, citizenship, civilization, clean disruption, climate, climate change, climate disruption, conservation, consumption, decentralized electric power generation, decentralized energy, demand-side solutions, dynamic linear models, efficiency, energy, energy reduction, energy utilities, engineering, environment, ethics, forecasting, geophysics, global warming, Hyper Anthropocene, investment in wind and solar energy, Kalman filter, mathematics, maths, meteorology, microgrids, mitigation, NCAR, numerical software, optimization, physics, prediction, probabilistic programming, rationality, reasonableness, risk, science, solar power, stochastics, sustainability, time series
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+1 I.A.U.
Of course, from XKCD. (Click image to see bigger picture. Hat tip to Carl Safina for the joke.)
Posted in adaptation, Antarctica, Anthropocene, Arctic, astrophysics, carbon dioxide, civilization, climate, climate change, climate disruption, ecology, environment, geophysics, global warming, Hyper Anthropocene, maths, meteorology, physics, rationality, reasonableness, risk, science, sea level rise
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Your future: Antarctica, in detail
Climate and geophysical accuracy demands fine modeling grids, and very large supercomputers. The best and biggest supercomputers have not been available for climate work, until recently. Watch how results differ if fine meshes and big supercomputers are used. Why haven’t … Continue reading
Posted in Antarctica, Anthropocene, bridge to nowhere, climate, climate change, climate disruption, climate zombies, disingenuity, ecology, ensembles, forecasting, geophysics, global warming, Hyper Anthropocene, ignorance, IPCC, Lawrence Berkeley National Laboratory, LBNL, living shorelines, mathematics, mathematics education, maths, mesh models, meteorology, multivariate statistics, numerical software, optimization, physics, rationality, reasonableness, risk, science, science education, sea level rise, spatial statistics, state-space models, statistics, stochastic algorithms, stochastics, supercomputers, temporal myopia, the right to know, thermodynamics, time series, University of California Berkeley, WAIS
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“The Bayesian Second Law of Thermodynamics” (Sean Carroll, and collaborators)
http://www.preposterousuniverse.com/blog/2015/08/11/the-bayesian-second-law-of-thermodynamics/ See also.
Posted in approximate Bayesian computation, Bayesian, bifurcations, Boltzmann, capricious gods, dynamical systems, ensembles, games of chance, Gibbs Sampling, information theoretic statistics, Josiah Willard Gibbs, mathematics, maths, physics, probability, rationality, reasonableness, science, statistics, stochastic algorithms, stochastics, thermodynamics, Wordpress
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Utilities for dummies: How they work and why that needs to change (from grist.org)
“Utilities are shielded by a force field of tedium.” “Solar panels could destroy U.S. utilities, according to U.S. utilities.” Utilities for dummies: How they work and why that needs to change“, a compact introduction, from grist.org. And there’s an additional … Continue reading
Posted in Anthropocene, bifurcations, bridge to nowhere, carbon dioxide, citizenship, civilization, clean disruption, climate, climate change, climate disruption, climate education, conservation, consumption, corruption, decentralized electric power generation, decentralized energy, demand-side solutions, destructive economic development, disingenuity, dynamic linear models, dynamical systems, ecology, economics, education, efficiency, energy, energy reduction, energy utilities, engineering, environment, ethics, exponential growth, finance, forecasting, fossil fuel divestment, fossil fuels, fracking, global warming, Hyper Anthropocene, ignorance, investing, investment in wind and solar energy, mathematics, maths, meteorology, methane, microgrids, natural gas, optimization, physics, pipelines, politics, prediction, public utility commissions, PUCs, rationality, reasonableness, risk, science, solar power, statistics, sustainability, taxes, temporal myopia, the right to know, time series, Tony Seba, wind power, zero carbon
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Solar installation progress, courtesy of MacSolarIndex.com
The MAC Solar Index tracks a set of solar manufacturing and installation companies. It is also the basis for the Guggenheim Investments “TAN” Exchange-Traded Fund (“ETF”, *). They recently published a progress report on global solar installations, which I wanted … Continue reading
Posted in adaptation, Anthropocene, carbon dioxide, citizen science, citizenship, civilization, clean disruption, climate, climate change, climate data, climate disruption, conservation, consumption, decentralized electric power generation, decentralized energy, demand-side solutions, destructive economic development, dynamic linear models, dynamical systems, ecology, economics, efficiency, energy, energy reduction, environment, exponential growth, forecasting, fossil fuel divestment, fossil fuels, geophysics, global warming, Hyper Anthropocene, investing, investment in wind and solar energy, mathematics, mathematics education, maths, meteorology, microgrids, open data, optimization, physics, politics, prediction, rationality, reasonableness, risk, science, science education, solar power, sustainability, the right to know, time series, Tony Seba, wind power, zero carbon
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California solar users already affecting per-residence rates of non-solar utility customers
Lead article in the San Francisco Chronicle today addresses how non-solar customers of Pacific Gas & Electric are already carrying a larger burden of the network costs for that utility, costs which are reflected in their rates. This is the … Continue reading
Posted in bifurcations, clean disruption, climate, climate change, climate disruption, conservation, consumption, decentralized electric power generation, decentralized energy, demand-side solutions, destructive economic development, differential equations, dynamical systems, economics, efficiency, energy, energy reduction, environment, exponential growth, finance, fossil fuel divestment, fossil fuels, global warming, investing, investment in wind and solar energy, maths, microgrids, natural gas, pipelines, politics, rationality, reasonableness, solar power, statistics, temporal myopia, Tony Seba, wind power, zero carbon
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“Where most of us live (with apologies to southern-hemisphere readers)” [reblog of Tamino]
Love the comparison with Berkeley Earth Surface Temperatures.
Posted in Anthropocene, carbon dioxide, citizen science, climate, climate change, climate data, climate disruption, denial, ecology, education, environment, forecasting, fossil fuels, geophysics, hiatus, Hyper Anthropocene, IPCC, mathematics, maths, meteorology, NOAA, open data, physics, prediction, rationality, reasonableness, risk, science, science education, statistics, Tamino, time series, Uncategorized, Wordpress
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Comprehensive and compact tutorial on Petris’ DLM package in R; with an update about Helske’s KFAS
A blogger named Lalas produced on Quantitative Thoughts a very comprehensive and compact tutorial on the R package dlm by Petris. I use dlm a lot. Unfortunately, Lalas does not give details on how the SVD is used. They do … Continue reading
Posted in Bayes, Bayesian, dynamic linear models, dynamical systems, forecasting, Kalman filter, mathematics, maths, multivariate statistics, numerical software, open source scientific software, prediction, R, Rauch-Tung-Striebel, state-space models, statistics, stochastic algorithms, SVD, time series
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WHT’s “Climate Sensitivity and the 33C Discrepancy”
I happened across a blog post (from 2013) by the mysterious blogger known as WHT (*) titled “Climate Sensitivity and the 33C Discrepancy“. If I could, I’d reblog it here, but their blogging site is not WordPress-friendly. WHT is now … Continue reading
Posted in astrophysics, carbon dioxide, climate, climate change, climate disruption, climate models, dynamical systems, ENSO, environment, forecasting, fossil fuels, geophysics, global warming, mathematics, maths, meteorology, oceanography, physics, Principles of Planetary Climate, rationality, reasonableness, risk, science, WHT
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Hansen et al.
Tamino weighs in on the Hyper-Anthropocene paper by Hansen, Sato, et al, references in my postings here as https://667-per-cm.net/2015/07/23/welcome-to-the-hyper-anthropocene/ and https://667-per-cm.net/2015/07/27/professor-james-hansen-responds-and-explains/ Update, 18th October 2015 To quote Eli Rabett of Rabett Run, EliRabett said… Evidently today the editor has decided … Continue reading
Posted in adaptation, Antarctica, Anthropocene, Arctic, astrophysics, bifurcations, bridge to nowhere, carbon dioxide, carbon dioxide capture, Cauchy distribution, chance, civilization, climate, climate change, climate disruption, climate zombies, COP21, denial, differential equations, dynamical systems, ecology, economics, environment, ethics, floods, forecasting, games of chance, geophysics, global warming, Hyper Anthropocene, IPCC, James Hansen, mathematics, maths, meteorology, nor'easters, oceanography, physics, politics, probability, rationality, reasonableness, science, sea level rise, statistics, Student t distribution, Tamino, temporal myopia, the right to know, transparency, UNFCCC, zero carbon
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CO2 experiment: fooling with Earth
Professor Richard D Schwartz wrote, in 2012, a nice article succinctly summarizing the scientific basis for climate change and global warming. Called “An astrophysicist looks at global warming”, he pithily summarized: âGreenhouse gasâ warming occurs because the collisional de-excitation time … Continue reading
Posted in Anthropocene, astrophysics, bifurcations, bridge to nowhere, carbon dioxide, chance, citizenship, civilization, climate, climate change, climate disruption, climate education, dynamical systems, ecology, environment, forecasting, fossil fuels, games of chance, geophysics, global warming, ignorance, mathematics, mathematics education, maths, meteorology, oceanography, physics, Principles of Planetary Climate, rationality, Ray Pierrehumbert, reasonableness, science, science education, temporal myopia, the right to know
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ecoquant
