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First 2493 results for ”Frank Helderman”

1. Ambient UVB dose and sun enjoyment are important predictors of vitamin D status in an older population

   Background: UVB-induced skin synthesis is considered the key source of vitamin D, yet exposure to...

   O'Sullivan, Laird, Kelly, JHG van Geffen, M van Weele, M McNulty, M Hoey, M Healy, M McCarroll, M Cunningham, M Casey, M Ward, M Strain, M Molloy, M Zgaga | Status: published | Journal: J. Nutrition | Volume: 147 | Year: 2017 | First page: 858 | Last page: 868 | doi: 10.3945/jn.116.244079

   Publication

2. Mesoscale winds over the oceans

   With the succesfull launch of MetOp-A carrying the Advanced Scatterometer (ASCAT) in October 2006...

   J Vogelzang, A Stoffelen, M Portabella, A Verhoef, J Verspeek | Conference: EUMETSAT/AMS conference | Organisation: EUMETSAT | Place: Amsterdam, The Netherlands | Year: 2007 | First page: 0 | Last page: 0

   Publication

3. Correction of wind bias for the lidar on board Aeolus using telescope temperatures

   The European Space Agency (ESA) Earth Explorer satellite Aeolus provides continuous profiles of th...

   Fabian Weiler, Michael Rennie, Thomas Kanitz, Lars Isaksen, Elena Checa, Jos de Kloe, Ngozi Okunde, and Oliver Reitebuch | Journal: Atmos. Meas. Tech. | Volume: 14 (11) | Year: 2021 | First page: 7167 | Last page: 7185 | doi: 10.5194/amt-14-7167-2021

   Publication

4. Changes in the frequency and intensity of extremes over Northeast Africa

   Climate of Northeastern Africa varies from humid to semi-arid with both abundant and scarce mois...

   G Endalew | Year: 2007 | Pages: 46

   Publication

5. Continuous mixing layer height determination using the LD-40 ceilometer: a feasibility study

   Climate of Northeastern Africa varies from humid to semi-arid with both abundant and scarce moist...

   MJ de Haij, WMF Wauben, H Klein Baltink | Year: 2007 | Pages: 45

   Publication