Geert Jan van Oldenborgh
Born(1961-10-22)22 October 1961
Rotterdam, Netherlands
Died12 October 2021(2021-10-12) (aged 59)
Gouda, South Holland, Netherlands
NationalityDutch
Occupation(s)Climatologist, physicist

Geert Jan van Oldenborgh (22 October 1961 – 12 October 2021) was a Dutch climatologist and physicist.[1][2][3][4] Through his career he studied climate modelling of adverse weather events and was known as a pioneer of attribution science, driving public awareness of how climate change is linked to extreme weather events. He was also the creator of a digital platform, Climate Explorer, an online meteorological data repository and platform for climate data analysis.

He was a recipient of the Order of the Netherlands Lion in 2021. He was also named by Time as one of the 100 most influential people of 2021.

Early life

Geert Jan van Oldenborgh was born on 22 October 1961 in Rotterdam to Jan van Oldenborgh and Wil Lijbrink. His father was a lawyer while his mother was a psychoanalyst.[5][6] While in school in the Netherlands, he received a scholarship to go to Lester B. Pearson College in Victoria, British Columbia, in Canada. During his time there, he studied Chinese. He obtained his master's degree in theoretical physics from Leiden University in the Netherlands in 1986. He also studied mathematics and Chinese in the university. He completed his PhD from the University of Amsterdam and the Netherlands Institute of Nuclear and High Energy Physics in 1990.[6]

Career

Van Oldenborgh started his teaching and research career at Ludwig Maximilian University of Munich and the Paul Scherrer Institute in Switzerland, where he studied elementary particles before returning to Leiden in 1994.[6] He worked at the Royal Netherlands Meteorological Institute (KNMI) from 1996, and as a professor at Oxford University from 2019.[6]

During his time at the KNMI, he focused on ways to improve forecast accuracy while studying El Niño, the weather phenomenon in the Pacific Ocean which recurs every few years and upsets global weather patterns.[6] He also created the digital platform, Climate Explorer, that serves as a digital repository of vast troves of climate-linked data including global temperature measurements, ozone levels, sea ice levels, rainfall measurements, ocean temperatures, and historical records of cyclones, hurricanes and droughts. Some of the data in the platform goes back to the fourteenth century.[6] His work on the digital platform won him the technology achievement award from the European Meteorological Society.[6]

Event attribution

Over his career he authored over 150 peer reviewed papers across multiple weather forecasting topics including seasonal forecasting, climate modelling, and event attribution.[6] He was known as a pioneer of attribution science, which has been instrumental in driving public awareness of how climate change is linked to extreme weather.[7] Together with the German climate researcher Friederike Otto, he developed a method to determine the role of climate change shortly after major weather disasters. This led to the establishment of World Weather Attribution, an international network of climate scientists and institutes.[2][3][4] Along with other scientists, Van Oldenborgh contributed to studying linkages between climate change induced by human actions and catastrophic events such as droughts, floods, forest fires, and heatwaves.[6] Some of the events that he and his fellow researchers identified as caused or accentuated by human-induced climate change included the 2018 Swedish wildfires, Australian bushfires, 2019 European heat waves, 2021 Siberian wildfires, and the 2021 European floods across Germany and Belgium.[6] One of the group's studies of the 2021 Pacific Northwest heat wave, which spread across the west coast of the United States and Canada, found that the events were directly linked to climate change.[5] Prior to Van Oldenborgh and other researchers' work on event attribution, the general view among scientists was that individual events could not be attributed to climate change. Work led by Van Oldenborgh and his peers proved that they could.[5]

His efforts were also instrumental in performing some of the attributional analyses when the events were fresh in people's minds, this required that the process be shortened by using models that had already been run rather than running models from scratch, a process that he described as 'precooking'.[8] Some of their studies were also released prior to a peer review, with the argument that the basic models and techniques had already been peer-reviewed and published in scientific journals.[5]

Van Oldenborgh contributed to the 2013 global report of the Intergovernmental Panel on Climate Change.[6]

For his works he received in 2021 the Order of the Netherlands Lion and the Europese Technology Achievement Award. In September 2021, Time named him one of the 100 most influential people of 2021.[9][10][2][3][4]

Personal life

Van Oldenborgh met his future wife, Mandy, a clinical psychologist and psychotherapist in 1982. The couple married in 1987 and went on to have three sons.[6]

In 2013, Van Oldenborgh was diagnosed with multiple myeloma, also known as Kahler's disease, a form of blood cancer.[6] The blood cancer progressed in 2019.[11] Van Oldenborgh died from it on 12 October 2021, aged 59, in Gouda, South Holland.[2][3][4][12][5]

References

  1. ↑ "Dutch Climate Scientist Geert Jan Van Oldenborgh Dies At 59". Bloomberg News. 14 October 2021. Retrieved 22 October 2021.
  2. 1 2 3 4 "Internationaal gelauwerde klimaatexpert Geert Jan van Oldenborgh overleden". Nederlandse Omroep Stichting. 14 October 2021. Archived from the original on 14 October 2021. Retrieved 15 October 2021.
  3. 1 2 3 4 "Baanbrekende klimaatonderzoeker Geert Jan van Oldenborgh (59) overleden". NU.nl. 13 October 2021. Archived from the original on 14 October 2021. Retrieved 15 October 2021.
  4. 1 2 3 4 "Klimaatwetenschapper Geert Jan van Oldenborgh (59) overleden". NRC Handelsblad. Archived from the original on 14 October 2021. Retrieved 15 October 2021.
  5. 1 2 3 4 5 Fountain, Henry (22 October 2021). "Geert Jan van Oldenborgh, 59, Dies; Linked Weather Disasters to Climate Change". The New York Times. ISSN 0362-4331. Archived from the original on 22 October 2021. Retrieved 22 October 2021.
  6. 1 2 3 4 5 6 7 8 9 10 11 12 13 "Geert Jan van Oldenborgh obituary". the Guardian. 2 November 2021. Retrieved 3 November 2021.
  7. ↑ "Pioneer of attribution science Geert Jan van Oldenborgh dies, aged 59". Climate Home News. 15 October 2021. Retrieved 3 November 2021.
  8. ↑ Fountain, Henry (1 August 2016). "Looking, Quickly, for the Fingerprints of Climate Change". The New York Times. ISSN 0362-4331. Retrieved 3 November 2021.
  9. ↑ "Klimaatonderzoeker Geert Jan van Oldenborgh dubbel geëerd". www.kobr.nl. Archived from the original on 14 May 2021. Retrieved 15 October 2021.
  10. ↑ Naber, Caspar (15 September 2021). "Time top 100: Nederlandse klimaatadvocaat Cox bij meest invloedrijke personen van 2021". Algemeen Dagblad (in Dutch). Retrieved 6 November 2023.
  11. ↑ Engels, Joep (4 January 2020). "Van Oldenborgh maakt zich geen zorgen over zijn ziekte, wél over het klimaat: 'Ik zal nooit weten hoe dit afloopt'". Trouw. Archived from the original on 8 November 2021. Retrieved 15 October 2021.
  12. ↑ Keulemans, Maarten (13 October 2021). "Internationaal vermaarde klimaatwetenschapper Geert Jan van Oldenborgh overleden". de Volkskrant. Retrieved 15 October 2021.
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