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(GWPF, Ole Humlum) Norway - The State of The Climate 2019
27.May.2020
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Ole Humlum, Professor of Physical Geography, University of Oslo, Norway: According to the instrumental temperature record (since about 1850), 2019 was a very warm year, but cooler than 2016. Since 2004, when detailed recording of ocean temperatures began, the global oceans above 1900 m depth have, on average, warmed somewhat. Since 1972, however, snow extent has been largely stable. Data from tide gauges all over the world suggest an average global sea-level rise of 1–1.5 mm/year, while the satellite record suggests a rise of about 3.2 mm/year, or more. The noticeable difference in rate (a ratio of at least 1:2) between the two data sets still has no broadly accepted explanation. The focus in this report is on observations, and not on output from numerical models.

Read 318 times Last modified on Wednesday, 27 May 2020 04:11
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