![]() 9.12 in the UN IPCC Fourth Assessment Report, showing Northern Australia:įigure 1. Here’s what they said is right, the record that Wibjorn was talking about, Fig. The folks at CRU told Wibjorn that he was just plain wrong. The Australians have many stations and have published more detailed maps of changes and trends. However, if a shorter period (1949-2005) is used, the temperature has increased substantially. What kind of data is the IPCC Australia diagram based on? NASA only presents 3 stations covering the period 1897-1992. I got to thinking about Professor Wibjorn Karlen’s statement about Australia that I quoted here:Īnother example is Australia. This time, it has ended me up in Australia. ![]() You never know where this data chase will lead. So I’m still on my multi-year quest to understand the climate data. All three produce very similar global historical temperature records from the raw data. Both GISS and CRU, however, get almost all of their raw data from GHCN. The three global temperature records are usually called CRU, GISS, and GHCN. The three groups take raw data, and they “homogenize” it to remove things like when a station was moved to a warmer location and there’s a 2C jump in the temperature. The final one is at NASA/GISS, the Goddard Institute for Space Studies. ![]() One is at NOAA/GHCN, the Global Historical Climate Network. One is at the CRU, Climate Research Unit of the University of East Anglia, where we’ve been trying to get access to the raw numbers. There are three main global temperature datasets. People say “Yes, they destroyed emails, and hid from Freedom of information Acts, and messed with proxies, and fought to keep other scientists’ papers out of the journals … but that doesn’t affect the data, the data is still good.” Which sounds reasonable. The second question, the integrity of the data, is different. There is general agreement that the earth has warmed since then. The earth has generally been warming since the Little Ice Age, around 1650. ![]() Let me start with the second objection first. That doesn’t mean the earth is not warming.” Darwin Airport - by Dominic Perrin via Panoramio People keep saying “Yes, the Climategate scientists behaved badly. ![]()
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