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Đăng ngày 23/6/2010 Cập nhật lúc 07:06:08 ngày 23/6/2010

PhD. fellowships

1/ PhD Student position in boundary layer meteorology 2/ Ph.D-positions at TU Eindhoven 3/ PhD position in ocean data assimilation at KAUST 4/ Land data assimilation - PhD project, NILU 5/ PhD position at DLR Oberpfaffenhofen 6/ PhD position N2O5 uptake to aerosol particles

1/ PhD Student position in boundary layer meteorology

Within the project "Links between local scale and catchment scale measurements and modelling of gas exchange processes over land surfaces" funded by the German Research Foundation (Deutsche Forschungsgemeinschaft), we invite applications for 1 PhD Student position
 
The position is funded for 36 months, with a possible extension for 12 months. The working location will either be Jülich or Wageningen.
 
This project, a collaboration between the University of Bonn, Germany, University of Wageningen, The Netherlands, Meteorology and Air Quality Department and the Research Centre Jülich, aims at bridging the gap between the local scale where exchange processes happen at the land surface, to the scales which are suitable to describe and model these transports in the atmospheric environment.
 
The project will approach this problem by an integrated methodology combining a set of different local measurement techniques with boundary layer scale estimates ranging from traditional techniques up to modern remote sensing tools and a suite of modelling approaches encompassing the atmospheric boundary layer. A detailed description of the project can be obtained from Dirk Schuettemeyer: dirk.schuettemeyer@uni-bonn.de).
 
The candidate will mainly focus on the modelling part by utilizing different SVAT models in combination with bulk-models of the atmospheric boundary layer.
 
The potential candidate should have a master or diploma in meteorology, physics, geography or related disciplines and good knowledge of the English language. A sound knowledge in programming, boundary-layer meteorology and related models would be advantageous. 
Women are especially encouraged to apply and the DFG is able to provide means for a successful combination of career and family requirements.
 
Review of applications starts immediately and continues until the position is filled. Applicants should send  a letter of motivation and a CV including, if applicable, a brief account of their research experience, a list of publications, and the contact information of up to three references to Dr. Dirk Schuettemeyer Meteorologisches Institut der Universitaet Bonn, dirk.schuettemeyer (@) uni-bonn.de (e-mail preferred).
 

 

2/ Ph.D-positions at TU Eindhoven

2 Ph.D-positions in Remote Sensing at Eindhoven University of Technology
 
Closing date: 15/08/2010
 
We are developing a new, innovative line of atmospheric research in the Department of Applied Physics at Eindhoven University of Technology (TU/e). 
This research, funded by the recently awarded NWO VIDI-project Attributing the sources of tropospheric ozone from space, focuses on using satellite measurements of atmospheric composition to better understand the formation, role and impact of tropospheric ozone on climate change and air pollution.
 
The VIDI-research is carried out at the Fluid Dynamics Lab in the Department of Applied Physics. Our Lab is at the forefront in the research of (atmospheric) transport phenomena, and is increasingly engaged in the modelling of atmospheric particles. The VIDI-research at the TU/e is carried out in collaboration with the Royal Netherlands Meteorological Institute (KNMI), a key player in the field of satellite missions.
 
We are searching for 2 Ph.D-students:
1. The first Ph.D-project seeks to fully exploit retrievals of tropospheric nitrogen dioxide (NO2) from the SCIAMACHY, OMI, and GOME-2 instruments by means of interpretation with advanced chemistry-transport models. The research aims to improve our understanding of NO_x emissions through model innovations and by using a record of nitrogen dioxide satellite observations to quantify rapidly changing anthropogenic and natural sources of NO_x .
2. The 2nd Ph.D-project will use satellite measurements of formaldehyde columns to improve our understanding of the biogenic emissions, chemistry, and fate of volatile organic compounds in the atmosphere, especially in the tropics.
 
This investigations will be executed in close collaboration with one another, under supervision of Dr. Folkert Boersma (boersma@knmi.nl, www.knmi.nl/~boersma) at TU/e and KNMI. The results from both of these PhD-projects are anticipated to strongly contribute to a better understanding of the role of biogenic and anthropogenic emissions in driving the global tropospheric ozone budget.
 
Please click on the links below to find more information, or to apply:
 
http://jobs.tue.nl/wd/plsql/wd_portal.show_job?p_web_site_id=3085&p_web_page_id=109203&p_order_by=
 
<https://webaccess.knmi.nl/exchweb/bin/redir.asp?URL=https://webaccess.knmi.nl/exchweb/bin/redir.asp?URL=http://jobs.tue.nl/wd/plsql/wd_portal.show_job?p_web_site_id=3085%2526p_web_page_id=109203%2526p_order_by=>
 
 
http://jobs.tue.nl/wd/plsql/wd_portal.show_job?p_web_site_id=3085&p_web_page_id=109204&p_no_apply=Y&p_show=Y&p_seo=noindex
 
<https://webaccess.knmi.nl/exchweb/bin/redir.asp?URL=https://webaccess.knmi.nl/exchweb/bin/redir.asp?URL=http://jobs.tue.nl/wd/plsql/wd_portal.show_job?p_web_site_id=3085%2526p_web_page_id=109204%2526p_no_apply=Y%2526p_show=Y%2526p_seo=noindex>
 

3/ PhD position in ocean data assimilation at KAUST

A PhD position in ocean data assimilation is open at the Red Sea Research Center at King Abdullah University of Science and Technology (KAUST). KAUST is a newly developed graduate level international research university located at the Red Sea coast
80 km north of Jeddah, Saudi Arabia. It is home of a 220 Tflop IBM supecomputer, one of the largest in the academic world. Further information about KAUST can be found at http://www.kaust.edu.sa/

The PhD student will work on developing a 4DVAR assimilation system to reconstruct the 4D picture of the Red Sea and to study its variability. This will be based on the ECCO assimilation system which enables to dynamically merge all available ocean data using
the MIT general circulation model (MITgcm) and its adjoint. Control variables will incldue intial conditions, atmospheric forcing and mixing parameters. The estimated state of the Red Sea will be analysed to better understand the general circulation of the Red Sea, including the water mass exchange with the Gulf of Aden and the deep circulation.
The student will have the oppotunity to collaborate with scientists at Scripps Institution of Oceanography, the Univesrity of Hamburg and Woods Hole Institute of Oceanography and visits to these institutions are expected.


Qualified applicants should possess a M.S. in physical oceanography, or any related field. Candidates familiar with ocean models and scientific programming in Fortran and otherlanguageslike Matlab and Ferret will be given preference. The compensation package includes a tax-free competitive salary, fully furnished housing, health care (medical and dental), and relocation expenses.


To apply, please send a curriculum vitae and a letter of interest with the names and contact information of at least two references to Dr. Ibrahim Hoteit, ibrahim.hoteit@kaust.edu.sa

4/ Land data assimilation - PhD project, NILU

PhD position ( 3 years ) Start: 1 October 2010

Data assimilation: Making sense of SMOS soil moisture observations over Norway and Northern Areas

A candidate is sought for a challenging 3-year PhD studentship funded by the Norwegian Research Council. The candidate will be based at the Kjeller office of the Norwegian Institute for Air Research (NILU). The project is co-supervised by the Department of Physics (Plasma and Space physics) at the University of Oslo. It involves collaboration with the Norwegian Meteorological Institute (Met.no), the Nansen Environmental and Remote Sensing Center (NERSC), Météo-France, and the University of Toulouse/CESBIO.

Project description:

Soil moisture is one of the key geophysical variables for understanding the Earth’s hydrological cycle. In turn, the hydrological cycle is a key component of the Earth’s climate, playing a key role in the distribution of water in all its forms. On November 2009, ESA’s Earth Explorer mission SMOS (Soil Moisture and Ocean Salinity) was launched. It measures soil moisture and ocean salinity. Data are currently being validated, with the end of the commissioning phase being May 2010.

 

The project will use data assimilation to improve the spatial and temporal soil moisture information provided by SMOS to be more in line with user needs, i.e. offer higher rate, higher resolution, wider area “snap shot” information. This addresses the challenge of using SMOS data to understand the hydrological cycle in Norway and Northern Areas, regions characterized by complex orography.

 

The following requirements to the applicant are essential:

·        Strong background in physics and/or mathematics (Masters degree)

·        Knowledge of Fortran or similar programming language

 

The application must include:

·        Application letter

·        CV (summarizing education, positions and academic work)

·        Copies of educational certificates and letters of recommendation

·        Names and contact details of 2-3 references

Foreign applicants are advised to attach an explanation of their University’s grading system.

 

Our main office is located at Kjeller, just outside Oslo. We have extensive collaboration with national and international research institutes and universities, so travel activities are to be expected as part of the work. 

Details about NILU can be found at www.nilu.no.  Informal enquiries about the available position can be directed to William Lahoz ( wal@nilu.no ) + 47 45775245 or to Tove Svendby ( tms@nilu.no ) + 47 63898185.

 

Applications should be sent to: NILU, Post Box 100, 2027 Kjeller, Norway or by e-mail: nilu@nilu.no as soon as possible and no later than 1 July 2010.

5/ PhD position at DLR Oberpfaffenhofen

The DLR Institute of Physics of the Atmosphere in Oberpfaffenhofen solicits applications for a PhD position with the theme

Simulation of deuterated water vapour (HDO) with the global atmosphere chemistry and climate model EMAC

Job specification:

In the framework of a subproject of the research project SHARP (Stratospheric Change and its Role for Climate Prediction) supported by the Deutsche Forschungsgemeinschaft (DFG) the transport of water vapour (H2O) through the tropical tropopause into the stratosphere shall be investigated.

● Extension of the the climate model EMAC to incorporate the new variable deuterated water vapour

● Performance of model simulations

● Comparison of the results of the model simulations with satellite data

● Analysis of the model simulations with respect to the transport of water vapour into the stratosphere

● Diagnosis of the relevant chemical processes

● Publication of the results

● Close collabaration with the other working groups of the SHARP project, especially at the Forschungszentrum Karlsruhe

 

Required qualifications:

● Diplom oder Master degree in natural sciences (meteorology, physics, chemistry, geophysics, computer sciences oder mathematics), grade: 2.0 or better

● Good knowledge of the English language (written and spoken)

● A pronounced interest in programming

 

Advantageous skills:

● Experience in programming

● Experience with models of the global earth-atmosphere system

 

Begin: Immediately

For further information please contact Dr. Patrick Jöckel (patrick.joeckel@dlr.de) or Prof. Dr. Robert Sausen (robert.sausen@dlr.de).

The DLR is an equal opportunity employer and explicitly encourages applications from women. Among equally qualified applicants, disabled candidates will be given preference. The position is limited at first to 1 year and will be extended to further 2 years. Salary is according to the German salary scale (TvöD-Bund E13 (50%)).

The position is open until 07/19/2010.

 

Applicants should submit a detailed resume to (preferably sent as a PDF-file):

Dr. Patrick Jöckel

Deutsches Zentrum für Luft- und Raumfahrt

Institut für Physik der Atmosphäre

82234 Weßling

Tel: 08153 28 2565

E-Mail: patrick.joeckel@dlr.de

6/ PhD position N2O5 uptake to aerosol particles

PhD Position in Atmospheric Chemistry at Paul Scherrer Institut, Switzerland

The reaction of dinitrogen pentoxide with atmospheric aerosol particles is of significant interest due to its impact on the oxidation capacity of the atmosphere and the climate effect of aerosol particles. The PhD candidate will investigate the kinetics of dinitrogen pentoxide uptake to model aerosol particles using our established methods based on the short-lived radioactive isotope N-13. He will additionnally use state of the art aerosol technology and trace gas analysis (chemi-ionisation mass spectrometry and chemiluminescence) as well as kinetic modelling tools to assist the experiments. This work is integrated in other activities of the Surface Chemistry group at Paul Scherrer Institute, Switzerland. This PhD position is associated with the PhD program of University of Bern, Switzerland.

The PhD candidate should have a Master or equivalent in experimental physics or physical chemistry. He should be motivated to work in an interdisciplinary team.

For further information please contact: Dr Markus Ammann, phone +41 56 310 40 49 +41 56 310 40 49, markus.ammann@psi.ch
Please submit your application to: Paul Scherrer Institut, Human Resources, Ref. code 2411, Sabine Mier, 5232 Villigen PSI, Switzerland or to: sabine.mier@psi.ch

 

(GV. TS. Hồ Thị Minh Hà)
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