Site: Judith Curry

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Climate Etc. is hosted by Dr Judith Curry and provides a forum for climate researchers, academics and technical experts from other fields, citizen scientists, and the interested public to engage in a discussion on topics related to climate science and the science-policy interface.

She is Professor and Chair of the School of Earth and Atmospheric Sciences at the Georgia Institute of Technology and President (co-owner) of Climate Forecast Applications Network (CFAN). She received a Ph.D. in Geophysical Sciences from the University of Chicago in 1982. Prior to joining the faculty at Georgia Tech, she held faculty positions at the University of Colorado, Penn State University and Purdue University. She currently serves on the NASA Advisory Council Earth Science Subcommittee and the DOE Biological and Environmental Science Advisory Committee, and has recently served on the National Academies Climate Research Committee and the Space Studies Board, and the NOAA Climate Working Group. She is a Fellow of the American Meteorological Society, the American Association for the Advancement of Science, and the American Geophysical Union.

Recent Articles

Judith Curry: Week in review – science edition

by Judith Curry A few things that caught my eye this past week. North American mega droughts in the Common Era [link] Ice sheets interact with the atmosphere, ocean, lithosphere, sea ice, and biosphere. How does it all work? Via …

2018-07-14 18:33   Click to comment

Judith Curry: Climate uncertainty & risk

by Judith Curry I’ve been invited to write an article on climate uncertainty and risk. It’s been about 5  years since I’ve written a new article on this topic; this article provides my current perspectives on this topic. This article …

2018-07-08 16:12   Click to comment

Judith Curry: The Hansen forecasts 30 years later

by Ross McKitrick and John Christy How accurate were James Hansen’s 1988 testimony and subsequent JGR article forecasts of global warming? According to a laudatory article by AP’s Seth Borenstein, they “pretty much” came true, with other scientists claiming their accuracy was …

2018-07-03 15:10   Click to comment

Judith Curry: Nature Unbound IX – 21st Century Climate Change

by Javier A conservative outlook on 21st century climate change Summary: For the past decade anthropogenic emissions have slowed down, and continuation of current trends suggests a peak in emissions by 2050. Atmospheric CO2levels should reach 500 ppm but might …

2018-06-28 20:32   Click to comment

Judith Curry: Of boundary and initial conditions

by Dan Hughes and Tomas Milanovic Further reflections on the application of the divergence theorem to the Earth’s climate system. Introduction The subject of a recent post at CE was application of the divergence theorem to some aspects of Earth’s …

2018-06-25 13:53   Click to comment

Judith Curry: Sea level rise: isostatic adjustment

by Judith Curry A discussion thread to ponder the uncertainties in glacial isostatic adjustment and the implications for past and future sea level rise. I’m in the process of completing my report on the sea level rise, the preliminary notes …

2018-06-23 21:08   Click to comment

Judith Curry: Week in review – science edition

by Judith Curry A few things that caught my eye this past week. Antartica’s ice melt has accelerated [link] Upcoming research by Jay Zwalley will buck the consensus and show Antartica is still gaining ice [link] Antarctica’s Ice May Be …

2018-06-17 16:23   Click to comment

Judith Curry: The debate: my presentation

by Judith Curry My presentation  is provided here.  This is being posted at the start of the event. I HUGELY appreciate the comments that you provided on that one slide [link], both in the comments and sent via email.  I …

2018-06-12 21:00   Click to comment

Judith Curry: The debate. Part II

by Judith Curry Countdown to the ‘conversation’ between Mann, Titley, Moore, Curry.  Looks like you can now register for the live broadcast, for a fee of $10 [link]. I will post my talk about 15 minutes before the start of …

2018-06-11 12:14   Click to comment

Judith Curry: Voices of reason in the ‘climate wars’

by Judith Curry A recent and worthy attempt to redefine the ‘front’ in the ‘climate wars’, which could lead to a truce and possibly pave the way for rational progress. Matt Nisbet has published a provocative new paper: Strategic philanthropy …

2018-06-10 13:23   Click to comment

Judith Curry: Beyond ENSO: new signals of seasonal to interannual predictability

by Judith Curry My new talk on improving seasonal to interannual climate predictions. This week, I am attending the Weather Risk Management Conference (WRMA) in Miami.   Utility of climate forecasts for risk mgt In providing forecasts for the private …

2018-06-07 21:13   Click to comment

Judith Curry: Top 15 climate scientists: consensus and skeptics

by Judith Curry This is rather astonishing, kudos to Best Schools for putting this together. Best Schools has put together another very interesting list:  Top 15 Climate Change Scientists – Consensus and Skeptics.   Recall their previous list that included …

2018-06-05 17:07   Click to comment

Judith Curry: Fundamental disagreement about climate change

by Judith Curry How can the fundamental disagreement about the causes of climate change be most effectively communicated? I have made numerous posts related to this topic, see especially The heart of the climate dynamics debate My specific motivation for …

2018-05-30 22:30   Click to comment

Judith Curry: The debate

by Judith Curry On June 12, I am scheduled to appear in a debate that includes Michael Mann Here are the details from the website: Climate change is undeniable. But is human activity causing it, and if so, to what …

2018-05-29 02:09   Click to comment

Judith Curry: Energy budgets, climate system domains and internal variability

by Dan Hughes It is not a boundary value problem. Abstract The total energy equation is applied to Earth’s entire atmosphere and sub-systems to investigate requirements that the energy content of Earth’s climate system remains constant. The results are somewhat …

2018-05-22 13:27   Click to comment

Judith Curry: Week in review – science edition

by Judith Curry A few things that caught my eye this past week My interview last week on the Tucker Carlson Show [link] Coherent Circulation Changes in the Deep North Atlantic from 16°N and 26°N Transport Arrays [link]   Teleconnection between …

2018-05-20 01:39   Click to comment

Judith Curry: Hearing on Using Technology to Address Climate Change

by Judith Curry The House Committee on Science, Space & Technology Hearing on Using Technology to Address Climate Change is about to begin. Date:  Wednesday, May 16, 2018 – 10:00am Location: 2318 Rayburn House Office Building . Website and livestream [link] …

2018-05-16 13:30   Click to comment

Judith Curry: Why Dessler et al.’s critique of energy-budget climate sensitivity estimation is mistaken

By Nic Lewis Plain language summary A new paper by Andrew Dessler et al. claims, based on 100 simulations of the historical period (1850 to date) by the MPI‑ESM1.1 climate model, that estimates of climate sensitivity using the energy-budget method …

2018-04-30 16:21   Click to comment

Judith Curry: Impact of recent forcing and ocean heat uptake data on estimates of climate sensitivity

by Nic Lewis We have now updated the LC15 paper with a new paper that has been published in the Journal of Climate “The impact of recent forcing and ocean heat uptake data on estimates of climate sensitivity“.  The paper …

2018-04-24 07:39   Click to comment

Judith Curry: Week in review – science edition

by Judith Curry A few things that caught my eye this past week. The coming revolution in numerical weather prediction [link] Dessler, Mauritsen and Stevens:  The influence of internal variability on Earth’s energy balance framework and implications for estimating climate …

2018-04-20 23:15   Click to comment

Judith Curry: Four questions on climate change

by Garth Paltridge An essay on the state of climate change science. (1) Is the science of climate change ‘settled’? The scientific uncertainties associated with climate prediction are the basis of most of the arguments about the significance of climate …

2018-04-19 01:00   Click to comment

Judith Curry: Sea level rise acceleration (or not): Part VII U.S. coastal impacts

by Judith Curry The final installment in the CE series on sea level rise. 1. Introduction Global mean sea level (GMSL) has increased by about 8–9 inches since 1880, with about 3 inches occurring since 1993. As discussed in Part …

2018-04-15 16:58   Click to comment

Judith Curry: Week in review – science edition

by Judith Curry A few things that caught my eye this past week. New paper from Christy et al. corrects drift in NOAA-14 satellite, affected the trend by ~ 0.05 C/decade in the 1990s and the early 2000s. [link] How …

2018-04-07 21:40   Click to comment

Judith Curry: ENSO forecast for 2018

by Jim Johnstone and Judith Curry Attempting to breach the ENSO springtime  ‘predictability barrier.’ The springtime predictability barrier in ENSO predictions (Webster and  Yang 1992) arises from stochastic processes occurring in the tropical Pacific that are tied to the annual …

2018-04-05 22:37   Click to comment

Judith Curry: Sea level rise acceleration (or not): Part VI. Projections for the 21st century

by Judith Curry The concern about sea level rise is driven primarily by projections of future sea level rise. Observed sea level rise over the last century has averaged about 8 inches, although local values may be substantially more or …

2018-04-02 18:25   Click to comment

Judith Curry: Emergent constraints on climate sensitivity in global models. Part III

by Nic Lewis The two strongest potentially credible constraints, and conclusions. Part 1 of this article the nature and validity of emergent constraints[1] on equilibrium climate sensitivity (ECS) in GCMs were discussed, drawing mainly on the analysis and assessment of …

2018-03-29 17:51   Click to comment

Judith Curry: Week in review – science edition

by Judith Curry A few things that caught my eye this past week. Major uncertainty of estimates of carbon trapped in soil [link] A Geological Perspective of the Greenland Ice Sheet [link] Next generation climate models could learn, improve on the …

2018-03-24 14:07   Click to comment

Judith Curry: Emergent constraints on climate sensitivity: Part II

by Nic Lewis The four constraints that Caldwell assessed as credible. In Part 1  the nature and validity of emergent constraints[1] on equilibrium climate sensitivity (ECS) in GCMs were discussed, drawing mainly on the analysis and assessment of 19 such …

2018-03-23 17:52   Click to comment

Judith Curry: Sea level rise acceleration (or not). Part V: detection & attribution

by Judith Curry In looking for causes, I have applied the ‘Sherlock Holmes procedure’ of eliminating one suspect after another. The procedure has left us without any good suspect. Thermal expansion was the candidate of choice at the time of …

2018-03-21 14:47   Click to comment

Judith Curry: Emergent constraints on climate sensitivity: Part I

by Nic Lewis Emergent constraints on climate sensitivity:  their nature and assessment of validity. There have been quite a number of papers published in recent years concerning “emergent constraints” on equilibrium climate sensitivity (ECS) in comprehensive global climate models (GCMs), …

2018-03-19 19:20   Click to comment


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