- The difference between Verification and Validation Nov 29, 2010 (4,698 views) Sometime in the 1990's, I drafted a frequently asked question list for NASA's IV&V facility....
- How to write a scientific abstract in six easy steps Jan 26, 2010 (1,956 views) Here's the abstract for a paper (that I haven't written) on how to write an abstract: How to Write...
- Who first coined the term "Greenhouse Effect"? Aug 18, 2015 (188 views) Today I've been tracking down the origin of the term "Greenhouse Effect". The term itself is...
- Population growth vs. emissions growth Jun 18, 2009 (80 views) I gave my talk on SE for the Planet again this afternoon, to the local audience. We recorded it, and...
- Climate Change: A Software Grand Challenge Aug 24, 2010 (58 views) Great news - I've had my paper accepted for the 2010 FSE/SDP Workshop on the Future of Software...
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All time most popular posts:- The difference between Verification and Validation Nov 29, 2010 (457,962 views) Sometime in the 1990's, I drafted a frequently asked question list for NASA's IV&V facility....
- How to write a scientific abstract in six easy steps Jan 26, 2010 (454,887 views) Here's the abstract for a paper (that I haven't written) on how to write an abstract: How to Write...
- Who first coined the term "Greenhouse Effect"? Aug 18, 2015 (21,490 views) Today I've been tracking down the origin of the term "Greenhouse Effect". The term itself is...
- Notes from Hurricane Sandy Nov 1, 2012 (18,437 views) "] We spent some time in my climate change class this week talking about Hurricane Sandy - it's a...
- Aerosols: Are They Good or Bad? Apr 3, 2012 (15,215 views) This week, I'm featuring some of the best blog posts written by the students on my first year...
- Population growth vs. emissions growth Jun 18, 2009 (14,712 views) I gave my talk on SE for the Planet again this afternoon, to the local audience. We recorded it, and...
- Initial value vs. boundary value problems Jan 16, 2010 (10,856 views) Weather and climate are different. Weather varies tremendously from day to day, week to week, season...
- What Does the New IPCC Report Say About Climate Change? Oct 8, 2013 (10,172 views) I've been trawling through the final draft of the new IPCC assessment report that was released last...
- Getting the source code for climate models Jun 24, 2009 (9,299 views) First, we have to be clear what we mean by a climate model. Wikipedia offers a quick intro to types...
- Simple Climate Models to play with in the classroom Jan 25, 2013 (7,424 views) I've been collecting examples of different types of climate model that students can use in the...
- TEDx talk: Should we trust climate models? May 23, 2014 (6,281 views) At the beginning of March, I was invited to give a talk at TEDxUofT. Colleagues tell me the hardest...
- Climate Change: A Software Grand Challenge Aug 24, 2010 (5,616 views) Great news - I've had my paper accepted for the 2010 FSE/SDP Workshop on the Future of Software...
- A portable climate model Jul 22, 2010 (5,289 views) One of the exercises I set myself while visiting NCAR this month is to try porting the climate model...
- The Climate as a System, part 1: the central equilibrium loop Aug 22, 2013 (5,248 views) I wrote earlier this week that we should incorporate more of the key ideas from systems thinking...
- The Ethics of Climate Change Feb 24, 2011 (5,220 views) James Garvey: The Ethics of Climate Change. Continuum, 2008. One of the pleasures of teaching is...
- What is Climate Informatics? Sep 21, 2012 (5,018 views) I've been using the term Climate Informatics informally for a few years to capture the kind of...
- Skills needed for a successful PhD Apr 7, 2014 (4,921 views) My department is busy revising the set of milestones our PhD students need to meet in the course of...
- How much extra energy are we adding to the earth system? Jan 11, 2012 (4,551 views) Update (Aug 15, 2013): After a discussion on Twitter with Gavin Schmidt, I realised I did the...
- Why Systems Thinking? Aug 20, 2013 (4,401 views) Early in my career I trained as a systems analyst. My PhD was about the ability to identify and make...
- What makes software engineering for climate models different? Mar 24, 2010 (4,185 views) This week I attended a Dagstuhl seminar on New Frontiers for Empirical Software Engineering. It...
- On the Uses and Abuses of Infrastructural Inversion Aug 26, 2010 (4,173 views) Nearly everything we ever do depends on vast social and technical infrastructures, which, when they...
- Climate Model vs. Satellite Data Feb 14, 2014 (3,827 views) A few weeks ago, Mark Higgins, from EUMETSAT, posted this wonderful video of satellite imagery of...
- High level architecture of earth system models Aug 11, 2010 (3,665 views) To get myself familiar with the models at each of the climate centers I'm visiting this summer, I've...
- The Climate as a System, part 4: earth system feedbacks Sep 2, 2013 (3,659 views) At the start of this series, I argued that Climate Science is inherently a Systems Discipline. To...
- AGU Day 2: The role of CO2 in the earth's history Dec 17, 2009 (3,417 views) Yesterday afternoon, I managed to catch the Bjernes Lecture, which was given by Richard B. Alley:...
- Who is pulling the strings? Apr 7, 2010 (3,318 views) My exposé of why academics' private emails sometimes seem cranky has gotten a lot of attention....
- The History of Climate Models Nov 2, 2012 (3,287 views) For a talk earlier this year, I put together a timeline of the history of climate modelling. I just...
- Tracking down the uncertainties in weather and climate prediction Jul 6, 2010 (3,227 views) Gavin beat me to posting the best quote from the CCSM workshop last week - the Uncertainty Prayer....
- Verification and Validation of Earth System Models Sep 18, 2010 (3,069 views) I've been meaning to write a summary of the V&V techniques used for Earth System Models (ESMs)...
- The Discovery of the Greenhouse Effect Mar 9, 2017 (3,058 views) Here's another excerpt from the draft manuscript of my forthcoming book, Computing the...
- Validating Climate Models Nov 30, 2010 (3,045 views) In my last two posts, I demolished the idea that climate models need Independent Verification and...
- What will sea level rise mean for Venice? Oct 28, 2010 (2,943 views) I took a break from blogging for the last few weeks to take a vacation with the family in Europe. We...
- The Climate as a System, part 2: energy consumption Aug 26, 2013 (2,940 views) In part 1, I described the central equilibrium loop that controls the earth's temperature. Now it's...
- The Climate as a System, part 3: greenhouse gases Aug 27, 2013 (2,918 views) The story so far: First, I argued that Climate Science is inherently a Systems Discipline. To...
- Systems thinking and Genetically Modified food May 25, 2012 (2,828 views) I've been following a heated discussion on twitter this past week about a planned protest on Sunday...
- The future of Software Engineering? Nov 11, 2010 (2,728 views) I went to a workshop earlier this week on "the Future of Software Engineering Research" in Santa Fe....
- How Big is the Climate Change Deficit? Feb 15, 2013 (2,638 views) Last week, Damon Matthews from Concordia visited, and gave a guest CGCS lecture, "Cumulative Carbon...
- AGU Day 3 part B: Data Provenance and Open Science Dec 21, 2009 (2,622 views) Wednesday morning also saw the poster session "IN31B - Emerging Issues in e-Science: Collaboration,...
- Do Climate Models need Independent Verification and Validation? Nov 27, 2010 (2,465 views) A common cry from climate contrarians is that climate models need better verification and validation...
- The CMIP5 Climate Experiments Sep 15, 2011 (2,438 views) I'm on my way back from a workshop on Computing in the Atmospheric Sciences, in Annecy, France. The...
- Epistemology of Climate Modeling Sep 28, 2010 (2,175 views) This will keep me occupied with good reads for the next few weeks - this month's issue of the...
- A sad farewell to Susan Leigh Star Mar 27, 2010 (2,115 views) Susan Leigh Star passed away in her sleep this week, coincidently on Ada Lovelace day. As I didn't...
- Computational Thinking vs. Systems Thinking Mar 8, 2009 (2,078 views) Greg reminded me the other day about Jeanette Wing's writings about "computational thinking". Is...
- If we can't make mistakes, then we can't do science Apr 9, 2010 (2,062 views) My debate with George Monbiot is still going on in this thread. I'm raising this comment to be a...
- The first Numerical Weather Prediction on ENIAC Jan 25, 2011 (1,991 views) Last summer, when I was visiting NCAR, Warren Washington gave me some papers to read on the first...
- The Climate as a System, part 5: clouds Sep 3, 2013 (1,805 views) Yesterday I talked about three re-inforcing feedback loops in the earth system, each of which has...
- "Daddy, what did YOU do in the climate wars?" Apr 16, 2009 (1,799 views) When my children grow up, the world they live in is likely be very different from ours. There's a...
- Open Climate Science or Denial of Service attacks? Nov 26, 2009 (1,798 views) I wasn't going to post anything about the CRU emails story (apart from my attempt at humour),...
- AGU Day 3 part C: How good are predictions from climate models? Jan 7, 2010 (1,677 views) The highlight of the whole conference for me was the Wednesday afternoon session on Methodologies of...
- Oil Shocks and Food Prices Feb 28, 2011 (1,616 views) I've been dipping into another new book this week, "Transport Revolutions: Moving People and...
- Disinformation Works (for receptive audiences) Feb 28, 2011 (1,598 views) Here's an interesting study by Lawrence Hamilton, published in Climatic Change in December:...
- Unsustainable Apr 9, 2013 (1,577 views) We're taking the kids to see their favourite band: Muse are playing in Toronto tonight. I'm hoping...
- Systems Thinking for Climate Systems Feb 15, 2011 (1,513 views) In pulling together my thoughts for a workshop last week on systems thinking, I've realised how much...
- Detecting Crap on the Internet Oct 27, 2014 (1,507 views) For our course about the impacts of the internet, we developed an exercise to get our students...
- From Computational Thinking to Systems Thinking Jun 6, 2014 (1,487 views) I'll be heading off to Stockholm in August to present a paper at the 2nd International Conference on...
- Academics always fight over the peer-review process Mar 26, 2010 (1,484 views) Note: This started as a comment on a thread at RealClimate about the Guardian's investigation of the...
- A simpler slogan? Sep 15, 2011 (1,426 views) Al Gore is part way through a 24-hour, round-the-globe, live broadcast, called Climate Reality. I...
- Ethics of Climate - Talk by Ray Pierrehumbert Apr 23, 2010 (1,424 views) After catching the start of yesterday's Centre for Environment Research Day, I headed around the...
- The Software Architecture of Global Climate Models Dec 10, 2011 (1,380 views) On Thursday, Kaitlin presented her poster at the AGU meeting, which shows the results of the study...
- Why I don't eat meat Jul 22, 2011 (1,354 views) My wife and I have been (sort of) vegetarian for twenty years now. I say "sort of" because we do eat...
- Some CMIP5 statistics Apr 29, 2012 (1,309 views) I'm attending a workshop this week in which some of the initial results from the Fifth Coupled Model...
- An AGU Global Environmental Change Bookshelf Dec 17, 2010 (1,270 views) I spent most of Wednesday attending a series of sessions featuring bestselling authors from the AGU...
- The Power to Change Systems Oct 16, 2011 (1,266 views) What unites both the climate crisis and the financial crisis? What is it that has driven scientists...
- Bill Gates is very wrong Jan 26, 2010 (1,241 views) In a blog post that was picked up by the Huffington post, Bill Gates writes about why we need...
- Growth of code complexity Jul 2, 2009 (1,226 views) I'm busy revising our paper on the study of the software development processes at the Hadley Centre...
- A first glimpse at model results for the next IPCC assessment Sep 16, 2011 (1,219 views) Over the next few years, you're likely to see a lot of graphs like this (click for a bigger...
- Inertia on the pathway to decarbonization Oct 21, 2016 (1,211 views) One of the biggest challenges in understanding climate change is that the timescales involved are...
- When did ignorance become a badge of honour for journalists? Aug 28, 2010 (1,209 views) Here's an appalling article by Andy Revkin on dotEarth which epitomizes everything that is wrong...
- The Principle of Complementarity (1) Mar 22, 2011 (1,208 views) I introduced some ideas from systems thinking last month, and especially the idea of second order...
- Crowd-Sourced Carbon Calculators (inspired by David Mackay) Mar 11, 2010 (1,200 views) On March 30, David Mackay, author of Sustainable Energy without the Hot Air, will be giving the...
- Social epistemology and climate denialism Aug 6, 2009 (1,192 views) I've spent some time pondering why so many people seem unable or unwilling to understand the...
- Successful Predictions (AGU 2012 Tyndall Lecture) Dec 11, 2012 (1,154 views) Last week I was at the 2012 AGU Fall Meeting. I plan to blog about many of the talks, but let me...
- xkcd: How to Write Good Code Jan 7, 2011 (1,140 views) It would be very easy to re-post pretty much everything from xkcd, and I'm trying hard to resist,...
- Measuring Greenhouse Gas Emissions from Cities Apr 22, 2010 (1,135 views) This morning I attended the first part of the Centre for Environment's Research Day, and I'm glad I...
- What is Science Literacy? May 29, 2012 (1,123 views) A few people today have pointed me at the new paper by Dan Kahan & colleagues (1), which...
- New Grad Course on Computational Models of Climate Change Jan 6, 2013 (1,069 views) This week, I start teaching a new grad course on computational models of climate change, aimed at...
- Formal Verification for Climate Models? Sep 23, 2011 (1,032 views) Valdivino, who is working on a PhD in Brazil, on formal software verification techniques, is...
- Commuting by bike is a dangerous sport Jun 8, 2011 (1,026 views) I thought I'd write a little on cycling in the Toronto this month, partly because is Bike Month,...
- A Hierarchical Systems Approach to Model Validation Dec 6, 2011 (988 views) I'm at the AGU meeting in San Francisco this week. The internet connections in the meeting rooms...
- AGU talk: Tim Palmer on Building Probabilistic Climate Models Dec 19, 2010 (987 views) On Thursday, Tim Palmer of the University of Oxford and the European Centre for Medium-Range Weather...
- Climate Science and Software Quality Feb 12, 2010 (938 views) Here's a letter I've sent to the Guardian newspaper. I wonder if they'll print it? Professor...
- The Internet: Saving Civilization or Trashing the Planet? Apr 10, 2013 (933 views) Next year, I'll be teaching a new undergraduate course, as part of an initiative by the Faculty of...
- Fun with urban transport data Jun 30, 2011 (930 views) I spent a little time this afternoon trying to get hold of data. I guess I have high expectations...
- AGU day 3: Science literacy means understanding the process Dec 20, 2009 (865 views) Picking up from my last post on communicating with policymakers, the first session on Wednesday...
- Do "Many eyeballs make all bugs shallow"? Dec 11, 2009 (850 views) As a follow-on from yesterday's post on making climate software open source, I'd like to pick up on...
- When is a model not a model? Nov 30, 2016 (832 views) This is an excerpt from the draft manuscript of my forthcoming book, Computing the...
- National Geographic's 6 degrees Jul 11, 2011 (827 views) Okay, so it's a few years old, but I'd never seen this series of videos by National Geographic...
- What's the pricetag on a Global Climate Model? Sep 3, 2010 (815 views) Here's a question I've been asking a few people lately, ever since I asserted that climate models...
- How long have we known? Feb 18, 2010 (815 views) I'm giving a talk today to a group of high school students. Most of the talk focusses on climate...
- Climate change is mankind's defining crisis (Mobiot/Lomborg debate) Dec 1, 2009 (815 views) This evening I'm attending a debate on climate change in Toronto, at the Munk Centre. George Monbiot...
- Weather balloons vs. climate balloons Feb 21, 2014 (799 views) What's the difference between forecasting the weather and predicting future climate change? A few...
- One Model to Rule them All? Nov 6, 2011 (792 views) I had several interesting conversations at WCRP11 last week about how different the various climate...
- The Need for T-shaped Students Aug 15, 2013 (755 views) I love working in a University. Every day I encounter new ideas, and I get to chat to some of the...
- AGU session on Software Engineering for Climate Modeling Dec 14, 2010 (752 views) Here's the first of a series of posts from the American Geophysical Society (AGU) Fall meeting,...
- Data Challenges in Creating a new Surface Temperature Record Aug 25, 2010 (748 views) I've been invited to a workshop at the UK Met Office in a few weeks time, to brainstorm a plan to...
- IEEE Software Special Issue on Climate Change: Software, Science and Society Dec 5, 2010 (746 views) Call for Papers: IEEE Software Special Issue on Climate Change: Software, Science and...
- Another cognitive bug: Attempting to correct a misperception often reinforces it May 31, 2010 (716 views) I'm fascinated by the cognitive biases that affect people's perceptions of climate change. I've...
- Are you aware of your own (in)competence? Jun 11, 2009 (707 views) I've been thinking a lot recently about why so few people seem to understand the severity of the...
- The Affordances of Bike Lanes Jun 10, 2011 (699 views) As a followup to my post earlier this week about how dangerous cycling is in Toronto, I decided to...
- Climate Model Bake-Off Mar 5, 2014 (688 views) Imagine for a moment if Microsoft had 24 competitors around the world, each building their own...
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Got links to active climate models?
I hope it appropriate to submit this request: many readers seek a page with links to active climate models. I would trust your compilation of such a list, perhaps include evaluations, and comments etc. I can think of no other site for such a reference
Yours is a most important site – thank you and your students for all that you do. This is crucial work. The world hungers for models – especially short term and regional.