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<p class="MsoNormal" style="line-height:13.5pt"><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif">SRON's mission is to bring about breakthroughs in international space research. Therefore, the institute develops pioneering technology
 and advanced space instruments, and uses them to pursue fundamental astrophysical, Earth science, and exoplanetary research. As national expertise institute SRON gives counsel to the Dutch government and coordinates national contributions to international
 space missions. SRON stimulates the implementation of space science in our society.<o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:13.5pt;mso-line-height-rule:exactly"><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal" style="line-height:13.5pt;mso-line-height-rule:exactly"><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif">Our Earth Science Group has a vacancy for
<o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:13.5pt;mso-line-height-rule:exactly"><b><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif"><o:p> </o:p></span></b></p>
<p class="MsoNormal" style="line-height:13.5pt;mso-line-height-rule:exactly"><b><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif"><o:p> </o:p></span></b></p>
<p class="MsoNormal" align="center" style="text-align:center;line-height:13.5pt;mso-line-height-rule:exactly">
<b><span lang="EN-GB" style="font-size:14.0pt;font-family:"Verdana",sans-serif">PhD-student<o:p></o:p></span></b></p>
<p class="MsoNormal" align="center" style="text-align:center;line-height:13.5pt;mso-line-height-rule:exactly">
<span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif">Vacancy number 1646<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal" align="center" style="text-align:center;line-height:13.5pt;mso-line-height-rule:exactly">
<b><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif">in Data assimilation of the chemical composition of the atmosphere.<o:p></o:p></span></b></p>
<p class="MsoNormal" style="line-height:13.5pt;mso-line-height-rule:exactly"><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal" style="line-height:13.5pt;mso-line-height-rule:exactly"><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif">Are you interested in applying the knowledge and skills that you acquired in your studies to an exciting
 scientific question in climate research? Please apply at SRON Netherlands Institute for Space Research!<o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:13.5pt;mso-line-height-rule:exactly"><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal" style="line-height:13.5pt;mso-line-height-rule:exactly"><b><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif">Project outline<o:p></o:p></span></b></p>
<p class="MsoNormal" style="line-height:13.5pt;mso-line-height-rule:exactly"><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif">In this project, you will investigate the photochemical cleansing efficiency of the atmosphere that controls
 the mean residence time of air pollutants. The question is if human activities that altered the chemical composition of the atmosphere have influenced its cleansing capacity. The Dutch TROPOMI satellite instrument provides a wealth of new data containing pieces
 of the key to solve this question. You will work with data assimilation techniques applied to a global model of the atmosphere to extract this information from the data. This project is an international collaboration dedicated to solving this question, between
 researchers at SRON, KNMI and VU Amsterdam, as well as colleagues at JamsTeC Japan and JPL USA, which you will take part in.
<o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:13.5pt;mso-line-height-rule:exactly"><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal" style="line-height:13.5pt;mso-line-height-rule:exactly"><b><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif">Tasks<o:p></o:p></span></b></p>
<p class="MsoNormal" style="line-height:13.5pt;mso-line-height-rule:exactly"><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif">Modify an existing global chemical data assimilation system for the use of TROPOMI data, supported by experts
 on this system as well as satellite data experts. Learn how to apply this system to new data, and test its performance using independent measurements collected from surface and aircraft measurements, as well as other satellite instruments. Investigate variations
 in parameters, most notably the hydroxyl radical (OH), that determines the atmospheric cleansing capacity. Compare model-derived predictions for OH with other independent methods, e.g. based on methyl chloroform. Investigate how changes in OH may have influenced
 the global growth rate of the greenhouse gas methane. You will present your results at scientific conferences and publish in scientific journals.    
<o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:13.5pt;mso-line-height-rule:exactly"><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal" style="line-height:13.5pt;mso-line-height-rule:exactly"><b><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif">Requirements<o:p></o:p></span></b></p>
<p class="MsoNormal" style="line-height:13.5pt;mso-line-height-rule:exactly"><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif">For this project we are looking for an ambitious and highly motivated Ph.D. student with the following qualifications:<o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:13.5pt;mso-line-height-rule:exactly"><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif"><o:p> </o:p></span></p>
<p class="MsoListParagraphCxSpFirst" style="margin-left:1.0cm;mso-add-space:auto;text-indent:-1.0cm;line-height:13.5pt;mso-line-height-rule:exactly;mso-list:l0 level1 lfo2">
<![if !supportLists]><span lang="EN-GB" style="font-size:8.5pt;font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">                
</span></span></span><![endif]><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif">A M.Sc. degree in physics, applied mathematics, or Earth Sciences
<o:p></o:p></span></p>
<p class="MsoListParagraphCxSpMiddle" style="margin-left:1.0cm;mso-add-space:auto;text-indent:-1.0cm;line-height:13.5pt;mso-line-height-rule:exactly;mso-list:l0 level1 lfo2">
<![if !supportLists]><span lang="EN-GB" style="font-size:8.5pt;font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">                
</span></span></span><![endif]><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif">Extensive experience with computer programming and statistical methods in research projects<o:p></o:p></span></p>
<p class="MsoListParagraphCxSpMiddle" style="margin-left:1.0cm;mso-add-space:auto;text-indent:-1.0cm;line-height:13.5pt;mso-line-height-rule:exactly;mso-list:l0 level1 lfo2">
<![if !supportLists]><span lang="EN-GB" style="font-size:8.5pt;font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">                
</span></span></span><![endif]><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif">Experience in scientific writing and presenting<o:p></o:p></span></p>
<p class="MsoListParagraphCxSpMiddle" style="margin-left:1.0cm;mso-add-space:auto;text-indent:-1.0cm;line-height:13.5pt;mso-line-height-rule:exactly;mso-list:l0 level1 lfo2">
<![if !supportLists]><span lang="EN-GB" style="font-size:8.5pt;font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">                
</span></span></span><![endif]><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif">A fluent command of the English language<o:p></o:p></span></p>
<p class="MsoListParagraphCxSpLast" style="margin-left:1.0cm;mso-add-space:auto;text-indent:-1.0cm;line-height:13.5pt;mso-line-height-rule:exactly;mso-list:l0 level1 lfo2">
<![if !supportLists]><span lang="EN-GB" style="font-size:8.5pt;font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">                
</span></span></span><![endif]><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif">Ability to work both independently and as part of a team<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif">Employment conditions<o:p></o:p></span></b></p>
<p class="MsoNormal" style="line-height:13.5pt"><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif">Employment of this full-time position is by NWO-I (the Institutes organization of the Netherlands Organization for Scientific Research)
 and will be for a period of 18 months. This will be extended to  4 years when your performance evaluation after 9 months is satisfactory. The salary will be in accordance with the salary scales of NWO-I,
<a name="_Hlk53153410">starting at €2.407,- in the first year and rising to €3.085,-
</a>in the fourth year of employment.<o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:13.5pt"><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal" style="line-height:13.5pt"><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif">NWO-I has good secondary employment conditions such as:<o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:13.5pt"><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif">•           An end of year bonus of 8,33% of the gross yearly salary;<o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:13.5pt"><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif">•           A holiday allowance of 8% of the gross yearly salary;<o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:13.5pt"><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif">•           42 days of vacation leave a year on full-time basis;<o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:13.5pt"><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif">•           An excellent pension scheme;<o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:13.5pt"><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif">•           Options for (additional) personal development;<o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:13.5pt"><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif">•           Excellent facilities for parental leave.<b><o:p></o:p></b></span></p>
<p class="MsoNormal" style="line-height:13.5pt"><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal" style="line-height:13.5pt"><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif">The PhD-student will be based for ~50% of her/his time at the Vrije Universiteit in Amsterdam, and for ~50% at KNMI in de Bilt.<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-GB" style="font-family:Helvetica"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-align:justify;line-height:13.5pt;mso-line-height-rule:exactly">
<b><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif;color:black">Information and application</span></b><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif;color:black">
<o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:13.5pt;mso-line-height-rule:exactly"><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif">More information about SRON can be found at
</span><span lang="EN-GB"><a href="http://www.sron.nl"><span style="font-size:8.5pt;font-family:"Verdana",sans-serif">www.sron.nl</span></a></span><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif">.<o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:13.5pt;mso-line-height-rule:exactly"><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif">For further information about the position, please contact prof. dr.
</span><span lang="NL" style="font-size:8.5pt;font-family:"Verdana",sans-serif">Sander Houweling (</span><span lang="EN-GB"><a href="mailto:s.houweling@sron.nl"><span lang="NL" style="font-size:8.5pt;font-family:"Verdana",sans-serif">s.houweling@sron.nl</span></a></span><span lang="NL" style="font-size:8.5pt;font-family:"Verdana",sans-serif">),
 dr. Henk Eskes (henk.eskes@knmi.nl), or prof.dr. Ilse Aben (i.aben@sron.nl). <o:p>
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<span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif;color:black">If you wish to apply you can send a motivation letter with CV and the name(s) and address(es) of reference(s) (incl. phone and e‑mail) via mail to
</span><span lang="EN-GB"><a href="mailto:jobs@sron.nl"><span style="font-size:8.5pt;font-family:"Verdana",sans-serif;color:blue">jobs@sron.nl</span></a></span><u><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif;color:blue">.</span></u><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif;color:black">
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<span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif;color:black">Please state the vacancy number "SRON 1646" in the subject of your mail. Applications will be accepted until 11 November 2020.</span><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-GB" style="font-family:Helvetica"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-align:justify;line-height:13.5pt"><b><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif">Other<o:p></o:p></span></b></p>
<p class="MsoNormal" style="text-align:justify;line-height:13.5pt"><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif">In the event of equal suitability, preference will be given to female applicants.<o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:justify;line-height:13.5pt"><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif">No commercial propositions please.<o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:justify;line-height:13.5pt"><span lang="EN-GB" style="font-size:8.5pt;font-family:"Verdana",sans-serif">Online screening may be part of the selection procedure.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt"><o:p> </o:p></span></p>
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