Publications in English

Publications in Dutch





1995_Slocum_YM.pdf
1056k    14-02-2011 13:18      
Siebren Y. van der Werf, Reworking Slocum's Navigation, Yachting Monthly, April (1995)42-44.



1997_Lunars_Nav.pdf
1 MB    22-08-2020 10:49      
Siebren Y. van der Werf, The lunar distance method in the nineteenth century: A simulation of Joshua Slocum's observation on June 16, 1896, Navigation, Journal of the Institute of Navigation, 44(1997)1. (This article was awarded the Samuel Burka Award 1997 of the ION).



1997_Lunars_remake.pdf
479k    13-04-2010 15:17      
A better legible version of 1997_Lunars_Nav



1998_Barents_ARCTIC.pdf
630k    14-07-2015 09:18      
Siebren Y. van der Werf, Astronomical observations during Willem Barents's third voyage to the North (1596-1597), ARCTIC 51(1998)142-154



2003_NZdeVeer_AO.pdf
1174k    13-04-2010 15:12      
Siebren Y. van der Werf, Günther P. Können, Waldemar H. Lehn, Frits Steenhuisen and Wayne P. S. Davidson, Gerrit de Veer's true and perfect description of the Novaya Zemlya effect, Applied Optics 42(2003)379-389.



2003_NZsunsets_AO.pdf
2072k    13-04-2010 15:12      
Siebren Y. van der Werf, Günther P. Können and W. H. Lehn, The Novaya Zemlya effect and sunsets, Applied Optics 42(2003)367-378.



2003_Refraction_AO.pdf
229k    13-04-2010 15:10      
Siebren Y. van der Werf, Raytracing and refraction in the modified US1976 atmosphere, Applied Optics 42(2003)354-366.



2003_Refraction_AO_Erratum.pdf
3k    18-04-2010 17:23      
An erratum to eq. 21 in 2003_Refraction_AO.pdf



2005_RefracHist_AO.PDF
926k    13-04-2010 15:08      
Waldemar H. Lehn and Siebren van der Werf, Atmospheric refraction: a history., Applied Optics 44(2005)5624.



2005_TobogganSun_AO.PDF
2882k    13-04-2010 15:06      
Wayne P.S. Davidson and Siebren Y. van der Werf, The Toboggan Sun., Applied Optics 44(2005)5644.



2008_Airmasses_AO.pdf
66k    28-09-2011 11:06      
Siebren Y. van der Werf, Comment on “Improved ray tracing air mass numbers model”, Applied Optics 47(2008)153-156.



2011_AsphaltMirage_AO.pdf
1139k    16-08-2011 13:44      
Siebren Y van der Werf, Noninverted images in inferior mirages, Applied Optics 50(2011)F12-F15.



2011_Supersun_AO.pdf
2031k    28-09-2011 11:05      
Gunther P Können and Siebren Y van der Werf, Reflection halo twins: subsun and supersun, Applied Optics 50(2011)F80-F88.



2015_Waves_and_dip_Nav.pdf
656k    14-07-2015 08:56      
Siebren van der Werf and Igor Shokaryev, Wave Height and Horizon Dip, Navigation 62(2015)161-169



2017_Hafgerdingar_AO.pdf
1228k    16-05-2017 16:03      
Siebren van der Werf, Hafgerdingar and Giant Waves, Applied Optics 56(2017)G51-G58



2017_Hafgerdingar_visualization 1.mp4
1675k    30-10-2018 10:25      
Visualization 1 of Hafgerdingar and Giant Waves



2017_Hafgerdingar_visualization 2.mp4
3953k    30-10-2018 10:26      
Visualization 2 of Hafgerdingar and Giant Waves



2017_Hafgerdingar_visualization 3.mp4
3884k    30-10-2018 10:27      
Visualization 3 of Hafgerdingar and Giant Waves



2017_Hafgerdingar_visualization 4.mp4
3739k    30-10-2018 10:27      
Visualization 4 of Hafgerdingar and Giant Waves



2017_Hafgerdingar_visualization 5.mp4
3937k    30-10-2018 10:27      
Visualization 5 of Hafgerdingar and Giant Waves



2017_History and critical analysis of fifteenth_and_sixteenth_century_nautical_tables-accepted version_JHA.pdf
5629k    16-05-2017 18:37      
Siebren van der Werf, History and critical analysis of fifteenth and sixteenth century nautical tables, Journal for the History of Astronomy 48(2017)207-232.This is the accepted version. The published version is on the JHA website.



2019_Nautical Tables for Vasco da Gama 1497-1500_JHA.pdf
828k    12-08-2019 14:10      
Siebren van der Werf, Nautical Tables for Vasco da Gama, 1497-1500?, Journal for the History of Astronomy2019, Vol. 50(3) 326–338



2023_Novaya Zemlya effect and Fata Morgana_Raytracing in a spherically non-symmetric atmosphere_CRPHYS-Vol-23.pdf
4 MB    11-01-2023 14:48      
Part of Special Issue: Astronomy, Atmospheres and Refraction,
Comptes Rendus Physique, Vol. 23.

https://comptes-rendus.academie-sciences.fr/physique/item/CRPHYS_2022__23_S1/