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Search Results for: temperature
New paper suggests historical period estimates of climate sensitivity are not biased low by unusual variability in sea surface temperature patterns
By Nic Lewis An important new paper by Thorsten Mauritsen, Associate Professor at Stockholm University[i] and myself has just been accepted for publication (Lewis and Mauritsen 2020)[ii]. Its abstract reads:
Posted in Sensitivity & feedbacks
Sea levels, atmospheric pressure and land temperature during glacial maxima
by Alan Cannell The new tropical lands: a carbon sink during formation and huge source of carbon dioxide and methane when lost to the sea.
Posted in Oceans
Reconstructing a dataset of observed global temperatures 1950-2016 from human and natural influences
by Frank Bosse A demonstration that multidecadal variation since 1950 leads to overestimation of the Transient Climate Response (TCR).
Posted in Sensitivity & feedbacks
What are the main sources of heat that account for the incremental rise in temperature on Earth?
by Judith Curry Suggestions for the climate ‘red team’ response.
Posted in Attribution
The Rise and Fall of Central England Temperatures: Part II
by Tony Brown This article examines the continued cooling of CET this century Looks at a similar scenario of regional cooling in America Examines CET related urbanisation issues, and the current Met office allowances for this Notes the centuries long … Continue reading
Posted in Attribution, Data and observations, History
A case study of the Northern Colorado Front Range temperature history
by Monte Naylor A comparison of NOAA-computed temperature trends with the “raw” historical temperature data.
Posted in Data and observations
Uncertainties in sea surface temperatures
by Judith Curry Two new papers have focused on the quality, uncertainties and interpretation of global sea surface temperature data.
Posted in Data and observations, Oceans
Tamino’s adjusted temperature records and the TCR
by Frank Bosse Separating out the impacts of internal variability on evaluations of TCR.
Assessing atmospheric temperature data sets for climate studies
By Judith Curry It is therefore suggested to use either the more robust tropospheric temperature or ocean surface temperature in studies of climate sensitivity. – Cederlof, Bengtsson, Hodges
Posted in Data and observations
Are land + sea temperature averages meaningful?
by Greg Goodman Several of the major datasets that claim to represent “global average surface temperature” are directly or effectively averaging land air temperatures with sea surface temperatures.
Assessing U.S. temperature adjustments using the Climate Reference Network
by Zeke Hausfather Measuring temperatures in the U.S. no easy task. While we have mostly volunteer-run weather station data from across the country going back to the late 1800s, these weather stations were never set up to consistently monitor long-term … Continue reading
Posted in Data and observations
Watts et al.: Temperature station siting matters
by Judith Curry 30 year trends of temperature are shown to be lower, using well-sited high quality NOAA weather stations that do not require adjustments to the data.
Posted in Data and observations
How sensitive is global temperature to cumulative CO2 emissions?
by Nic Lewis The mean carbon cycle behaviour of CMIP5 ESMs and EMICs may be quite unrealistic.
Posted in Sensitivity & feedbacks
The rise and fall of Central England Temperature
by Tony Brown Over the last 15 years interesting things have been happening at CET-the world’s longest instrumental record, dating to 1660.
Posted in Data and observations
A buoy-only sea surface temperature record
by Zeke Hausfather and Kevin Cowtan A buoy-only sea surface temperature record supports NOAA’s adjustments.
Posted in Oceans
JC op ed: the politics surrounding global temperature data
by Judith Curry My op-ed in Fox News: Is government tinkering with global warming data?
Regional anomalies in the evolution of surface air temperature
by Judith Curry A discussion of Section 6.1 of Alan Longhurst’s book Doubt and Certainty in Climate Science.
Posted in Uncategorized
Impact of AMO/PDO on U.S. regional surface temperatures
by Judith Curry The conclusion is that the oscillatory mode (mostly due to the AMO) is significantly more important than the monotonic mode (mostly due to increasing atmospheric CO2) in explaining the 1980–2000 U.S. temperature increase. – Bruce Kurtz
Posted in Attribution
Taking Melbourne’s temperature
by Tom Quirke The raw Melbourne temperature records of the Bureau of Meteorology are compared to the ACORN-Sat values. The ACORN-Sat adjustments are evaluated. This analysis shows evidence for a strong urban heat island effect.
Posted in Data and observations
Temperature adjustments in Australia
by Euan Mearns UK blogger Paul Homewood and Telegraph columnist Christopher Booker have managed to stir public interest in the veracity of adjustments made to temperature records by the Global Historical Climatology Network (GHCN).
Posted in Data and observations
Differential temperature trends at the surface and in the lower atmosphere
by Roger Pielke Sr., Phil Klotzbach, John Christy and Dick McNider An update is presented of the analysis of Klotzbach et al. 2009.
Posted in Data and observations
Berkeley Earth: raw versus adjusted temperature data
by Robert Rohde, Zeke Hausfather, Steve Mosher Christopher Booker’s recent piece along with a few others have once again raised the issue of adjustments to various temperature series, including those made by Berkeley Earth. And now Booker has double-downed accusing … Continue reading
Posted in Data and observations
Will a return of rising temperatures validate the climate models?
by Donald C. Morton The coincidence of the current plateau in global surface temperatures with the continuing rise in the atmospheric concentration of carbon dioxide has raised many questions about the climate models and their forecasts of serious anthropogenic global … Continue reading
Posted in climate models
Understanding adjustments to temperature data
by Zeke Hausfather There has been much discussion of temperature adjustment of late in both climate blogs and in the media, but not much background on what specific adjustments are being made, why they are being made, and what effects they … Continue reading
Posted in Data and observations
NCDC responds to concerns about surface temperature data set
Our algorithm is working as designed. – NOAA NCDC
Posted in Data and observations
