Glacier projections
Graham Cogley (2012) regularized a number of projections of glacier wastage in a recent book (so that all numbers include the glaciers peripheral to the ice sheets, and cover the entire 21st century). …
Nov 21, 2013Posts
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Ice sheets and Semi-empirical models
Here I demonstrate that a very simple Semi-empirical model (SEM) can approximate the historical contribution to sea level rise from Greenland as estimated by Box and Colgan (2013). I start with a very …
Nov 20, 2013 -
Hurricane surges in tide gauges
The hurricane surge index was constructed by extracting the hurricane surge signal from tide gauge records. This involved some pre-filtering of the tide gauge data. This page illustrates a number of …
Nov 20, 2013 -
Changing Sea level budget and Semi-Empirical models
It is expected that the balance of the sea level budget will change in the future as the slow giants of the ice sheets awaken. This has been leveled as a criticism of semi-empirical models. For that …
Nov 20, 2013 -
Linear response of ice sheets?
Bamber & Aspinall 2012 made an expert elicitation of ice sheet experts. They shows this table in their supplementary information:
Nov 20, 2013 -
Trends in extreme hurricane damage
I have downloaded the ICAT damage estimates of normalized hurricane damages(/losses) and looked at the trends in the data. This series is often used to argue that there is no significant trend in …
Nov 20, 2013 -
Can process models close the sea level budget?
Before we can trust the projected models of sea level rise then it is reasonable to demand that these models can match the record of global mean sea level rise. Gregory et al. (2012) writes: …
Nov 20, 2013 -
Return period of Boulder 2013 extreme rain
!Several media stories on the Colorado floods talk of it as a 1000-year flood. However, the original source of this claim was talking about a 1000-year precip event (not the same as a flood-event). …
Nov 20, 2013 -
WAIS collapse during the last interglacial?
There are several lines of evidence pointing to a WAIS collapse during the last interglacial (MIS 5 / Eemian).
Oct 17, 2013 -
The units of ACE are simply wrong
The definition of Accumulated Cyclone Energy does not make sense.
Sep 11, 2013 -
GDEMv2 geotiff compression
There is no good way to download the entire GDEM dataset. It is just lots of manual work. I assume it is because of datavolume that they put artificial restrictions amd annoying hindrances in place.
Aug 10, 2013 -
Citing CMIP data
It would be nice to have a simple doi-like way of citing CMIP6 datasets and this is being discussed today on twitter. I have not been involved in the discussion before, so I have no idea if my ideas …
Aug 10, 2013