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Today's Topics:
1. Post doc Position at CERFACS (Toulouse/France): Numerical
simulation and parameterization of chemical reactions in the
aircraft wakes (thouron)
2. Post doc Position at CERFACS (Toulouse/France): Study of the
environment impact of contrails with the view to their
representation in climate models (thouron)
3. Meteosat Meteorological Product Support [G013-166-EUM] [P]
(Asha Parmar)
4. 2 Post-Doc Position for applying Montecarlo techniques to
ocean forecasting systems with the use of Bayesian Hierarchical
Model and data assimilation (Giovanni Coppini)
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Message: 1
Date: Fri, 06 Sep 2013 15:22:41 +0200
From: thouron <thouron@cerfacs.fr>
Subject: [Met-jobs] Post doc Position at CERFACS (Toulouse/France):
Numerical simulation and parameterization of chemical reactions in the
aircraft wakes
To: met-jobs@lists.reading.ac.uk
Message-ID: <5229D721.1090702@cerfacs.fr>
Content-Type: text/plain; charset="iso-8859-1"
Position details
Numerical simulation and parameterization of chemical reactions in
the aircraft wakes
<http://www.cerfacs.fr/1-25717-Open-Positions.php?type=1>
<http://www.cerfacs.fr/1-25717-Open-Positions.php?category=4>
Required Education
PhD
From
October 2013
Duration
1 year renewable
Context
This work is part of project TC2 (Condensation Trails and Climate
http://www.cerfacs.fr/TC2) whose main objective is to better understand
and quantify the impact of aircraft emissions on the environment.
In this context, the prediction of the dispersion and mixing of aircraft
emissions and the atmosphere is a critical aspect to understand how the
small scale processes, that took place in the wake of the plane,
influence the physics and chemistry of the atmosphere on a global scale.
Indeed, current general circulation models make the assumption that
emissions are instantaneously diluted over large meshes (a few hundred
kilometers), and therefore can not represent the heterogeneity and the
physicochemical transformations occurring in the wake of the aircraft.
A method called "Effective Reaction Rates" has recently been developed
at CERFACS (Cariolle et al., 2009 Paoli et al., 2011) to incorporate
these effects into global models. The method is based on a decomposition
of the concentrations of each species in a "background" contribution
(corresponding to the part resolved by global models) and a "plume"
contribution (corresponding to the part which is not diluted to
background level). The key point is to develop chemical
parameterizations for this last part (using data obtained from smaller
scale simulations) in order to take into account the plume contribution
into global models.
Description
For this purpose it is necessary to simulate the evolution of the
atmospheric chemical composition and the changes in emissions during
the plume dispersion. The simulations will be carried out with Meso-NH
(a research meteorological model supplemented with detailed chemical
kinetic scheme) that solves all the processes explicitly.
For this purpose, the candidate will have to (i) include in the Meso-NH
the homogeneous chemical reactions in the gas phase and the
heterogeneous chemical processes at the surface of particles and ice
crystals; (ii) perform LES (Large Eddy Simulations) of the wake
dispersion and chemical reactions;, (iii) analyze the chemical database
obtained with the simulations; and (iv) use these data to build-up the
chemical parameterization according to the methodology mentioned above.
The post-doctoral offer excellent opportunities to publish results in
peer-reviewed international journals.
It is necessary to have a good experience in advanced numerical
simulation and a good level of technical/scientific English. Experience
in atmospheric chemistry and / or LES would be an asset.
D. Cariolle, D. Caro, R. Paoli, D. Hauglustaine, B. Cuenot, A. Cozic,
and R. Paugam. Introduction of non-linear plume chemistry into
large-scale atmospheric models: application to aircraft ?missions.
Journal of Geophysical Research, Vol. 114, D19302, 2009.
R. Paoli, D. Cariolle, and R. Sausen. Review of effective emissions
modeling and computation, Geoscientific Model Development, Vol.4, pp.
643-667, 2011.
Contacts
Name: Cariolle Daniel
Phone: 05.61.19.31.71
Fax:
Email: cariolle@cerfacs.fr <mailto:cariolle@cerfacs.fr>
Salary
around 2350 euros net
-- Odile Thouron CERFACS/A&E 42 avenue Gaspard Coriolis 31057 Toulouse
Cedex 01 Tel : (33).(0)5.61.19.30.52 Fax : (33).(0)5.61.19.30.00
http://www.cerfacs.fr
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Message: 2
Date: Fri, 06 Sep 2013 15:24:58 +0200
From: thouron <thouron@cerfacs.fr>
Subject: [Met-jobs] Post doc Position at CERFACS (Toulouse/France):
Study of the environment impact of contrails with the view to their
representation in climate models
To: met-jobs@lists.reading.ac.uk
Message-ID: <5229D7AA.8050002@cerfacs.fr>
Content-Type: text/plain; charset="iso-8859-1"
Position details
Study of the environment impact of contrails with the view to their
representation in climate models
<http://www.cerfacs.fr/1-25717-Open-Positions.php?type=1>
<http://www.cerfacs.fr/1-25717-Open-Positions.php?category=4>
Required Education
PhD
From
As soon as possible
Duration
1 year renewable
Context
One the research activities carried out in the Aviation and Environment
at CERFACS is the modeling and simulation of the impact of aviation on
atmospheric chemistry and climate. Given the exponential increase of the
air traffic it is anticipated that the number of passengers will double
by year 2020 compared to present. This expected increase in traffic will
be accompanied by an increase of gaseous and particulate emissions.
In addition to interacting with atmospheric trace gases, aircraft
emissions induce the formation of contrails, which can later transform
into persistent cirrus. The radiative effect of contrails and induced
cirrus has been listed by Lee et al. (2009) as uncertain to very
uncertain. In this context, the team Aviation and Environment study the
formation, evolution and transition of contrails into induced cirrus in
order to provide parameterisation to general circulation models.
Description
The work will be undertaken in three steps:
1) Improvement of microphysical scheme of Meso-NH.
First, the different microphysical models and assumptions used in the
literature for the simulation of contrails will be reviewed. Then, the
thermodynamic / microphysical / radiative characteristics determined
from observations will be identified. This study will be used to update
the ice microphysics scheme of Meso -NH and prepare for the simulation
of contrails at small scale.
2) Determination of standard atmosphere.
The MOZAICand IAGOS programs were created to monitor the composition of
the atmosphere so as to help characterizing the influence of human
activity on the chemical and physical state of the atmosphere. They have
collected experimental data by instrumenting commercial aircraft on
selected routes.
The MOZAIC and IAGOS data-base will be analyzed to obtain statistics of
the frequency of supersaturation and on the amplitude of temperature
fluctuations encountered at cruising altitude of commercial airliners.
Several types of atmosphere will then be determined. These data (MOZAIC
and IAGOS) will then be used to initialize the simulations.
3) Development / Evaluation of parameterizations of contrails and
induced cirrus for GCM:
Meso-NH will be used to estimate the lifetime and the vertical and
horizontal extensions of contrails/induced cirrus as a function of the
characteristics of the atmosphere determined in step 2). A study will be
conducted to characterize the key parameters that determine the lifetime
and dispersion of contrails / induced cirrus. Then, parameterizations of
contrail lifetime and microphysical properties will be developed for use
in large-scale (global) models and compared to existing parameterizations.
Experience in at least one of the following areas is mandatory:
atmospheric modeling, computational physics, and statistical analysis.
The candidate should also have expertise in at least one of the
following programming languages and scientific software (and be willing
to learn the others): Fortran 90, C/C++, Matlab, NCL. He/she will also
have a level of scientific English that is adequate to thoroughly
understand literature review and to write scientific papers.
Contacts
Name: Thouron Odile
Email: odile.thouron@cerfacs.fr <mailto:odile.thouron@cerfacs.fr>
Name: Saint-Martin David
Email: david.saint-martin@meteo.fr <mailto:david.saint-martin@meteo.fr>
Name: Paoli Roberto
Email: paoli@cerfacs.fr <mailto:paoli@cerfacs.fr>
Name: Cariolle Daniel
Email: cariolle@cerfacs.fr <mailto:cariolle@cerfacs.fr>
Salary
around 2350 euros net
-- Odile Thouron CERFACS/A&E 42 avenue Gaspard Coriolis 31057 Toulouse
Cedex 01 Tel : (33).(0)5.61.19.30.52 Fax : (33).(0)5.61.19.30.00
http://www.cerfacs.fr
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Message: 3
Date: Fri, 6 Sep 2013 16:18:42 +0100
From: Asha Parmar <Asha.Parmar@serco.com>
Subject: [Met-jobs] Meteosat Meteorological Product Support
[G013-166-EUM] [P]
To: "met-jobs@lists.reading.ac.uk" <met-jobs@lists.reading.ac.uk>
Message-ID:
<EB3AFC56C0C61844B592C2230809A70F32C0C0C7CA@COREEXCHCCR01.ad.serco.com>
Content-Type: text/plain; charset="us-ascii"
Classification: Serco Public
Meteosat Meteorological Product Support, based at EUMETSAT, Darmstadt, Germany
Serco's space heritage over the last 40 years has placed us in the Space News Top 50 Space Industry Manufacturing and Services Companies. With over 1500 staff in the space business covering a wide spectrum of experience and skills, we convey best practice, expertise and innovation in our business. All members of our recruitment team have extensive space experience, so have the insight necessary to support you through the application process.
For our activities in EUMETSAT, we are currently seeking someone to provide support within EUMETSAT's Remote Sensing and Products Division (RSP) to the routine monitoring and validation of satellite derived meteorological products. Within RSP, the Key Person will work in the team of the Atmospheric and Imaging Applications (AIA) in the group responsible for the routine product monitoring, validation and quality control, but in close interaction with the AIA scientists who are responsible for the development, maintenance and improvement of the processing algorithms. The focus of the product monitoring group is on the routine monitoring of the scientific quality of the operational products, validation of operational products, reaction to anomalies reported within this operational processing, support to the implementation process for new products or updates of existing products, and support to the necessary documentation work (e.g. Algorithm Theoretical Baseline Documents, Validation Reports).
The work will mainly deal with the products extracted from the series of EUMETSAT Meteosat geostationary satellites.
Tasks
* Support to the monitoring and validation activities of existing Meteosat algorithms and products;
* Support to new and enhanced algorithms and products, especially in the area of product validation;
* Preparation of technical notes and reports, notably with regard to validation reports;
* Attendance at technical meetings as required;
* Participation in RSP/AIA team meetings.
Qualifications and Requirements:
The Key Person shall have, as a pre-requisite, a university degree or comparable qualifications in Meteorology, Atmospheric Physics or related subjects, and a demonstrated experience of at least 3 years in the area of satellite meteorology or satellite data and products monitoring and quality control for optical imaging instruments.
Furthermore, at least 3 years of experience in software development in a Linux or Unix environment is required, together with at least 3 years of experience in a higher programming language as e.g. Fortran-90, C or C++.
Experience with graphics packages like IDL or Matlab would be a distinct advantage.
The Key Person is required to have the experience and capability to fulfil the assigned tasks with a minimum of supervision. The Key Person shall also possess good inter-personal skills.
The official languages of EUMETSAT are English and French. The working language for the position is English and therefore the Key Person must be able to work effectively and have good writing skills in this language.
Application procedure
Important:
All applicants must hold a current valid work permit for Germany or be EU nationals.
If you are interested in this vacancy, and think you have the skills and experience required, please apply by either clicking on, or copying into your browser, the URL below.
https://www.amris.com/serco/requirement_display.php?refSearch=&requirementid=45815
If you have any question regarding this position please e-mail space.careers@serco.com<mailto:space.careers@serco.com>
Position:
Meteosat Meteorological Product Support
Reference:
G013-166-EUM
Application closing date:
14/10/2012
Start date:
01/01/2014
If you are not yet registered with Serco we advise you to "register your details" by adding your details and attaching your CV via https://www.amris.com/serco/alerts_signup_form.php
For additional information about Serco Group please consult our website www.serco.com<http://www.serco.com>
For additional information about Serco Europe please consult our website www.serco.com/europe<http://www.serco.com/europe>
For additional information about EUMETSAT, please consult http://www.eumetsat.int
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Message: 4
Date: Fri, 06 Sep 2013 17:39:43 +0200
From: Giovanni Coppini <giovanni.coppini@cmcc.it>
Subject: [Met-jobs] 2 Post-Doc Position for applying Montecarlo
techniques to ocean forecasting systems with the use of Bayesian
Hierarchical Model and data assimilation
To: "met-jobs@lists.reading.ac.uk" <met-jobs@lists.reading.ac.uk>
Message-ID: <5229F73F.3030601@cmcc.it>
Content-Type: text/plain; charset=ISO-8859-15; format=flowed
Dear colleagues,
the Euro-Mediterranean Centre on Climate Change (CMCC, Italy) has
published a public invitation to express interest for 2 Post doc positions for applying Montecarlo techniques to ocean forecasting systems with the use of Bayesian Hierarchical Model and data assimilation.
More information can be found on the following web site:
http://www.cmcc.it/jobs/893-public-invitation-to-express-interest-for-2-post-doc-for-applying-montecarlo-techniques-to-ocean-forecasting-systems-with-the-use-of-bayesian-hierarchical-model-and-data-assimilation
I would be grateful if you could disseminate this announce to all
possible interested persons.
Thanks for your collaboration.
best regards,
Giovanni
--
Giovanni Coppini
Centro Euro-Mediterraneo sui Cambiamenti Climatici
Via Augusto Imperatore 16, scala B, 3? Piano - 73100 Lecce - ITALY
Phone: +39-0832-671050 (new phone number)
Mobile: +39-392-3857919
e-mail: giovanni.coppini@cmcc.it
------------------------------
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