[ES_JOBS_NET] Fwd: [Safspostdocs] Fwd: Postdoc: Modelling of the land-sea nutrient transfer to the Mediterranean sea, Aix-en-Provence, France

Jennifer R Griffiths jeng at uw.edu
Fri Nov 6 01:41:04 MST 2015

Begin forwarded message:

*From: *Wolfgang Cramer <wolfgang.cramer at imbe.fr>
*Date: *November 5, 2015 at 9:18:30 AM PST
*To: *<j.p.ohlberger at ibv.uio.no>
*Subject: **Postdoc: Modelling of the land-sea nutrient transfer to the
Mediterranean sea, Aix-en-Provence, France*

*Modelling of the land-sea nutrient transfer to the Mediterranean sea** under
different land management scenarios*

We seek a post-doctoral scientist for the project “Towards an integrated
prediction of Land & Sea Responses to global change in the Mediterranean
Basin” (LaSeR-Med), which focusses on integrated socio-ecological
modelling. The duration of the contract is initially one year, with a
possible extension for a second year, depending on the initial results. The
post-doc will be based within the Mediterranean Institute of marine and
terrestrial Biodiversity and Ecology (IMBE) in Aix-en-Provence, France. The
project is part of the Labex OT-Med (http://www.otmed.fr/).

Applicants should hold a doctoral degree in physics, chemistry,
microbiology, geosciences, environmental sciences or a related field of
science. They should be familiar with modelling biogeochemical interactions
between ecosystems and capable to further develop existing numerical
ecosystem models. Programming skills (C) and modelling experience are
therefore mandatory. Knowledge of R and of Unix/Linux environment will be
an advantage. The candidate should have good written and oral communication
skills. For work, good skills in the English language will be essential.

Our project

Terrestrial and marine ecosystems are connected through groundwater, river
discharge and nutrient outflows (especially N and P). River catchments in
the Mediterranean are N-intensive regions, mostly due to intensive
agriculture in the North and to crop N2 fixation or food & feed import in
the South. The fraction of nutrient reaching the sea constitutes
significant anthropogenic forcing of many marine biological processes. For
simulating the dynamics of the first levels of the marine food web (from
nutrients to jellyfishes), the ocean biogeochemical model, Eco3M-MED, used
and developed by the Mediterranean Institute of Oceanography (MIO) within
OT-Med, currently uses N and P measurements at river mouths, e.g. for the

In order to estimate the impacts of global change on the functioning of
marine ecosystems, the project aims at modeling the dependency of N and P
outflows to the Mediterreanean sea toward land management. Land management
is modelled as part of the agro-ecosystem model LPJmL (Bondeau et al.,
2007), that has been especially adapted to the Mediterranean cropping
systems (Fader et al., 2015). Among others, LPJmL simulates the daily
carbon and water cycles, and the river discharges to the sea. Following
existing approaches in the scientific literature, the post-doc will
implement the nutrient N and P transfer in LPJmL, covering the net nutrient
inputs to the river catchments by accounting for the processes occurring at
the agro-ecosystem level (N2 biological fixation, fertilization,
atmospheric deposition) and the net food and feed imports. Since only a
minor fraction of the net nutrient inputs from Mediterranean basins reaches
the sea, the retention along the nutrient cascade will have to be added to
the LPJmL river routing scheme, similarly to the method used by the
Riverstrahler model. Once the nutrient transfers have been introduced into
LPJmL, simulations will be validated using current climate and land use
forcing for comparisons with the existing observations from river outlets.
Finally, future conditions will be assessed by using the model with
scenarios of changing regional climate and land use / land management.

Your application

Applications should contain a suitable motivation letter describing your
anticipated role in the project, a CV, a list of scientific publications
and the names of at least two scientists that can be contacted for
references. *They must be sent to Ms. Gabriela Boéri
(gabriela.boeri at imbe.fr <gabriela.boeri at imbe.fr>)*. *Please prepare your
application as a single file in pdf-format*.

Questions about the project or the position can be directed to Dr. Alberte
Bondeau (alberte.bondeau at imbe.fr). The position will be filled as soon as a
suitable candidate has been found – work should start soon after that date.
The salary and contract conditions will be determined according to
standards set by Aix-Marseille University – questions in this regard can be
directed to Sophie Pekar (pekar at otmed.fr).

Prof. Dr. Wolfgang Cramer
*Institut Méditerranéen de Biodiversité et d’Ecologie marine et
continentale (IMBE)*
Aix Marseille Université, CNRS, IRD, Avignon Université, Technopôle
Bât. Villemin – BP 80, F-13545 Aix-en-Provence cedex 04, France
Tel. +33-4-42-90-84-86, www.imbe.fr/wolfgang-cramer, ResearcherID:
B-8221-2008 <http://www.researcherid.com/rid/B-8221-2008>, Follow
@wolfgangcramer <https://twitter.com/wolfgangcramer>

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