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PhD student in data assimilation of the chemical composition of the atmosphere
2020-10-14 13:11:53| Space-careers.com Jobs RSS
SRONs 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. Our Earth Science Group has a vacancy for PhDstudent Vacancy number 1646 in Data assimilation of the chemical composition of the atmosphere. 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! Project outline 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. Tasks 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 modelderived 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. Requirements For this project we are looking for an ambitious and highly motivated Ph.D. student with the following qualifications A M.Sc. degree in physics, applied mathematics, or Earth Sciences Extensive experience with computer programming and statistical methods in research projects Experience in scientific writing and presenting A fluent command of the English language Ability to work both independently and as part of a team Employment conditions Employment of this fulltime position is by NWOI 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 NWOI, starting at 2.407, in the first year and rising to 3.085, in the fourth year of employment. NWOI has good secondary employment conditions such as An end of year bonus of 8,33 of the gross yearly salary A holiday allowance of 8 of the gross yearly salary 42 days of vacation leave a year on fulltime basis An excellent pension scheme Options for additional personal development Excellent facilities for parental leave. The PhDstudent will be based for 50 of herhis time at the Vrije Universiteit in Amsterdam, and for 50 at KNMI in de Bilt. Information and application More information about SRON can be found at www.sron.nl. For further information about the position, please contact prof. dr. Sander Houweling s.houwelingsron.nl, dr. Henk Eskes henk.eskesknmi.nl, or prof.dr. Ilse Aben i.abensron.nl. If you wish to apply you can send a motivation letter with CV and the names and addresses of references incl. phone and email via mail to jobssron.nl. Please state the vacancy number SRON 1646 in the subject of your mail. Applications will be accepted until 11 November 2020. Other In the event of equal suitability, preference will be given to female applicants. No commercial propositions please. Online screening may be part of the selection procedure.
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PhD student
2020-10-14 13:11:53| Space-careers.com Jobs RSS
SRONs 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. Our Earth Science Group has a vacancy for a PhD student Vacancy number SRON 1645 Project Outline In October 2017 ESAs Sentinel5 Precursor mission was launched with the TROPOMI instrument as its single payload. TROPOMI is a collaboration between the Netherlands and ESA. SRON is the coPrincipal Investigator Institute and its responsibilities include the operational algorithm for carbon monoxide CO. TROPOMI combines daily global coverage with high spatial resolution 7x5.5 km2 which makes it ideally suited to study localized emission sources. In this project we will study the emissions of CO related to industry and pollution in cities. In addition to CO, TROPOMI also measures nitrogen dioxide NO2. Both CO and NO2 are coemitted with anthropogenic CO2, but much easier to measure from space. In support of the Paris Climate Agreement global monitoring of CO2 emissions using earth observation data is expected to become increasingly important. The second aim in this project is to combine TROPOMI CO and NO2 measurements to estimate CO2 emissions. CO2 observations from the OCO3 instrument onboard the International Space Station will be used for that purpose as well. This project will be a close collaboration between SRON and the Netherlands Organization for Applied Scientific Research TNO. TNO is an independent research organization in the Netherlands that focuses on applied science for industry and governments. TNOs department Climate, Air, and Sustainability CAS has outstanding knowledge on the quantification of anthropogenic emissions and increasingly uses satellite data for verification and improvement of its emissions estimates. Tasks The main tasks of the PhD student are to analyze the TROPOMI CO data and quantify urban and industrial emissions combine CO and NO2 TROPOMI data to estimate CO2 emissions and verify CO2 emissions estimates with OCO3 CO2 data. The results will be published in scientific peer reviewed journals. Requirements For this exciting project we are looking for an ambitious and highly motivated PhD student with the following qualifications M.Sc. degree in applied physics, applied mathematics, or Earth Sciences or similar degree Skilled in computer programming and data analytics Fluent in English Ability to work both independently and as part of a team Employment conditions Employment of this fulltime position is by NWOI 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 NWOI, starting at 2.407, in the first year and rising to 3.085, in the fourth year of employment. NWOI has good secondary employment conditions such as An end of year bonus of 8,33 of the gross yearly salary A holiday allowance of 8 of the gross yearly salary 42 days of vacation leave a year on fulltime basis An excellent pension scheme Options for additional personal development Excellent facilities for parental leave. The PhDstudent will be based for 50 of herhis time at SRON in UtrechtLeiden, and for 50 at TNO in Utrecht. Information and application More information about SRON can be found at www.sron.nl. For further information about the position, please contact prof. dr. Ilse Aben i.abensron.nl, dr. Hugo Denier van der Gon hugo.deniervandergontno.nl or dr. Bram Maasakkers j.d.maasakkerssron.nl. If you wish to apply you can send a motivation letter with CV and the names and addresses of references incl. phone and email via mail to jobssron.nl. Please state the vacancy number SRON 1645 in the subject of your mail. Applications will be accepted until 11 November 2020. Other SRON Utrecht will move to Leiden in 2021. In the event of equal suitability, preference will be given to female applicants. No commercial propositions please. Online screening may be part of the selection procedure.
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PhD student fm
2019-02-06 12:29:45| Space-careers.com Jobs RSS
SRONs 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 research, 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. SRON stimulates the implementation of space science in our society. The Astrophysics progamme, through the Aspasia program and together with the NOVA school, offer a PhD position in the area of Xray highresolution spectroscopy and timing of Active Galactic Nuclei AGN under the supervision of Dr. Elisa Costantini SRON and Dr. Phil Uttley UvA. The project will be carried out mostly at the SRON location Utrecht with frequent visits at University of Amsterdam. PhD student fm vacancy number SRON1437 Project Outline The project is observational in nature. The successful applicant will study Active Galactic Nuclei ionised outflows under different observational conditions, investigating the energetics and geometry of this complex medium. Timing and spectroscopy will be jointly used to study both the ejection and accretion mechanisms in the AGN. She will make use of archival data from the Chandra, XMMNewton and Hubble Space telescope satellites. Requirements Candidates should have a masters degree in Astronomy or Physics. Candidates with previous experience in XrayUV data analysis and with programming skills are particularly encouraged to apply. SRON core competencies Innovative Focused on collaboration Responsibility A global player Flexibility Employment conditions Employment of this fulltime position at SRONUtrecht is by NWOI The Netherlands Foundation of Scientific Research Institutes and will be for a period of 1,5 years with extension until 4 years in total when your performance evaluation after 9 months is adequate. The salary will be in accordance with the salary scales of NWOI starting with 2,291.00 gross per month on a fulltime basis in the first year, to a maximum of 2,937.00 in the fourth year of employment. NWOI has good secondary employment conditions such as An end of year bonus of 8,33 of the gross yearly salary 42 days of vacation leave a year on fulltime basis A holiday allowance of 8 of the gross yearly salary An excellent pension scheme Options for additional personal development Excellent facilities for parental leave Information and application More information about SRON can be found at www.sron.nl. For further information about the position, please contact Dr. Elisa Costantini e.costantinisron.nl at 31088777 5721. Applicants should send a CV including a statement on their motivation to apply for this project and the names and email addresses of maximally two references as well as a short maximally 1 A4 outline of their knowledge and experience to jobssron.nl Please state the vacancy number SRON 1437 in the subject of your mail. Applications will be accepted until March 4th 2019. SRON Utrecht moves in 2021 to Leiden. In the event of equal suitability, preference will be given to female applicants. No commercial propositions please. Online screening may be part of the selection procedure.
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2018-02-22 11:25:50| Space-careers.com Jobs RSS
SRONs 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 research, 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. The Astrophysics Science Group of SRON Utrecht, has a vacancy for a PhD student fm Vacancy number 1363 SRON invites applications for a 4years position Project outline Gaia is not only revolutionary in the determination of parallaxes and proper motions of over 1 billion stars in our Milky Way Galaxy, but it is also a unique experiment in synoptic surveys, where each point in the sky is visited over 70 times in the Gaia mission, and during each visit, a shorttime light curve is obtained at 4.5 sec cadence over about 1 minute in total. Within synoptic surveys this fast regime is virtually unexplored. This position will focus on using this unique angle in combination with other NL opticalNIR facilities in particular BlackGEM, ESO, and the ING telescopes on La Palma. Scientifically, using the BlackGEM and perhaps Gaia data as a baseline, the goal is to search for EM signals from stars and stellar remnants spiraling into intermediatemass black holes. This includes EM followup of gravitational wave events detected by LIGOVirgo. The project will be supervised by prof. dr. Jonker SRONRadboud University and cosupervised by dr. E.M. Rossi Leiden University. In addition, this position is in close collaboration with the Gaia Alerts center in Cambridge UK. Requirements Having completed a MSc is astronomy or astrophysics at the start of the PhD project Sept 1, 2018. Capable to work in a team as well as alone using linux andor Mac OS X based machines. Experience in optical data analysis photometry andor spectroscopy is an advantage as is experience with working with large data sets. SRON core competencies Innovative Focused on collaboration Responsibility A global player Flexibility Employment conditions Employment of this fulltime position at SRONUtrecht is by NWOI The Netherlands Foundation of Scientific Research Institutes and will be for a period of 1,5 years with extension until 4 years in total when your performance evaluation after 9 months is adequate. The salary will be in accordance with the salary scales of NWOI starting with 2,246.00 gross per month on a fulltime basis in the first year, to a maximum of 2,879.00 in the fourth year of employment. NWOI has good secondary employment conditions such as An end of year bonus of 8,33 of the gross yearly salary 42 days of vacation leave a year on fulltime basis A holiday allowance of 8 of the gross yearly salary An excellent pension scheme Options for additional personal development Excellent facilities for parental leave For further information For more information regarding this position, contact prof. dr. Peter Jonker via p.jonkersron.nl or 31088.777.5721. More information about SRON can be found at www.sron.nl. Letter of application If you wish to apply you can send a motivation letter with CV and the names and addresses of 2 references incl. phone and email to jobssron.nl. Please state the vacancy number SRON 1363 in the subject of your mail and your application letter. Applications will be accepted until 20 March 2018. In the event of equal suitability, preference will be given to female applicants. SRON Utrecht has the intention to move to Leiden within 4 years. No commercial propositions please.
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PhD student fm
2016-07-20 20:05:36| Space-careers.com Jobs RSS
Specialists from various disciplines work together at SRON Netherlands Institute for Space Research to push back the frontiers of technology and with this to advance the boundaries of scientific knowledge. SRON is considered to be a global leader in the area of earth and space science, due to the space instruments it develops for the satellites of ESA, NASA and JAXA. The Astrophysics Group of SRON, Utrecht, has vacancy for a PhD student fm Vacancynumber 1252 SRON invites applications for a 4years position fully funded by the NWOVidi fellowship titled Interstellar dust chemistry revealed through Xray highresolution spectroscopy. The PhD student will work in the group of Dr. E. Costantini. Project outline The goal of this project is to investigate the average chemical properties of the interstellar medium. The student will mainly deal with both astronomical data, observed in the Xray band by the highenergy resolution gratings of Chandra and XMMNewton, and laboratory data of interstellar dust. Employment conditions Employment of this fulltime position is by NWO The Netherlands Organization for Scientific Research and will be for a period of up to 4 years. The salary will be in accordance with the salary scales of NWO, starting at 2.211, in the first year and growing to 2.834, in the fourth year of employment. NWO has good secondary employment conditions such as An end of year bonus of 8,33 of the gross yearly salary 42 days of vacation leave a year on fulltime basis An excellent pension scheme Options for additional personal development Excellent facilities for parental leave A holiday allowance of 8 of the gross yearly salary. For further information For further information about the position, please contact dr. E. Costantini, telephone 31088.777.5721. More information about SRON can be found at www.sron.nl. Letter of application If you wish to apply you can send a motivation letter with CV and the names and addresses of 2 references incl. phone and email to jobssron.nl. Please state the vacancy number SRON 1252 in the subject of your mail and your application letter. Applications will be accepted until 1 September 2016.
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