Ice model emulator
Realistic ice sheet models are computationally expensive to run. This is a challenge if we want to characterize the full uncertainty for sea level projections.
Dec 12, 2024Sea Level
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The Bristol CMIP6 Data Hackathon
The Bristol CMIP6 Data Hackathon formed part of the Met Office Climate Data Challenge Hackathon series during 2021, bringing together around 100 UK early career researchers from a wide range of …
Jun 1, 2022 -
An existential threat to coastal nations
We may be committing ourselves to an eventual complete deglaciation of Earth in a business-as-usual scenario (ECP8.5). The sea level rise from a complete deglaciation would wipe my own country, …
Mar 15, 2016 -
Plausible upper limit of WAIS ice loss
Ritz et al. (2015) have a recent model study of potential sea level rise from Antarctic marine ice sheet instability.
Dec 15, 2015 -
Optimistic and over-confident ice sheet projections in AR5
Take away message: The graph on the right shows that AR5 process based ice sheet projections are optimistic and over confident when compared to views of ice sheet experts. To be fair they do mention a …
Oct 8, 2015 -
Sea level, the moon, and Frankenstein
Jens Morten Hansen (JMH) and co-authors have recently published a study where they use sine-regression to fit 5 oscillations plus a linear trend to a 160-year sea level record from waters near Denmark …
Sep 25, 2015 -
Three views on sea level commitment
Three recent papers on long term sea level commitment:
Aug 26, 2015 -
Sea level rise projections for Northern Europe under RCP8.5
Sea level rise poses a significant threat to coastal communities, infrastructure, and ecosystems. Sea level rise is not uniform globally but is affected by a range of regional factors. In this paper, …
Aug 25, 2015 -
BACCII chapter on Baltic sea level projections
Global warming is causing sea levels to rise, primarily due to loss of land-based ice masses and thermal (steric) expansion of the world oceans. Sea level does not rise in a globally uniform manner, …
Jul 29, 2015 -
Trends and acceleration in global and regional sea levels since 1807
We use 1277 tide gauge records since 1807 to provide an improved global sea level reconstruction and analyse the evolution of sea level trend and acceleration. In particular we use new data from the …
Jul 2, 2015 -
Ice sheet contributions to SLR from Bamber and Aspinall
Bamber and Aspinall (2013) carried out an expert elicitation of ice sheet experts. From this they could derive uncertainty ranges of the rate of mass loss from each ice sheet in 2100. In order to …
May 6, 2015 -
West Antarctic collapse in the IPCC reports
I have extracted some quotes from the IPCC reports since 1990 showing how West Antarctic Ice Sheet collapse has been discussed over time. It is not an exhaustive list.
Jan 7, 2015