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Today's Topics:
1. PhD Positions Available in Atmospheric Chemistry at Cambridge
(A Archibald)
2. Ph.D. Studentship in ocean biogeochemistry at the University
of Oxford and Met Office (Samar Khatiwala)
3. Industrial Doctorate :: First Guess Root zone soil moisture
estimation from Remote Sensing Data, application to agriculture
and drought monitoring (Pere Quintana Seguí)
----------------------------------------------------------------------
Message: 1
Date: Fri, 18 Nov 2016 13:54:46 +0000
From: A Archibald <ata27@cam.ac.uk>
To: met-jobs@lists.reading.ac.uk
Subject: [Met-jobs] PhD Positions Available in Atmospheric Chemistry
at Cambridge
Message-ID:
<CAEkxUD1Nro9HgxRrefjhAtxwV+M3gFJPmbqNOc88oWXx3-5Mzg@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
PhD projects are now available through the NERC ESS DTP to study at the
University of Cambridge. For full details on eligibility please see:
http://essdtp.esc.cam.ac.uk/prospective-students/funding-information
Within the Department of Chemistry we are offering a range of topics:
Air Pollution Human Health and Monitoring
--------------------------------------------------------------------------
APID: Air Pollution Improvements for Delhi - Prof. Rod Jones and Dr Alex
Archibald
APID will understand the complex role of different sources of emissions on
the burden of pollutants in Delhi and use a numerical model to derive ways
in which to improve air pollution in the region.
http://tinyurl.com/hw8ve5g
Understanding Air Quality in a Chinese Megacity. Prof. Rod Jones and Dr
Alex Archibald
The student will evaluate a new generation of low cost high quality air
quality monitoring instruments and use these instruments to produce a
highly vertically resolved data set of air pollutants from the IOP tower in
central Beijing.
http://tinyurl.com/jkcwljw
Health-Relevant Air Pollution Measurements. Prof. Markus Kalberer and Prof.
Rod Jones
The student will take active part in field studies in the UK and
potentially abroad where they will operate a new Reactive Oxygen Species
(ROS) instrument and collect aerosol samples for further analysis in the
lab.
http://tinyurl.com/ht4ug3o
Atmospheric Aerosol Particle Composition Affecting their Climate and Health
Effects. Prof. Markus Kalberer
The student will generate atmospheric aerosols using the large-scale
Cambridge Atmospheric Simulation Chamber, which allows to mimic atmospheric
processes under realistic ambient conditions. A range of state-of-the-art
mass spectrometers will be used to characterize organic aerosol and gas
phase composition and formation processes. The simultaneous analysis of gas
and particle components with unprecedented time resolution and sensitivity
will allow to study in detail the fast gas/particle transition processes
that lead to particle formation in the atmosphere. A range of
atmospherically relevant formation processes will be studied to simulate
natural and anthropogenic particle sources and assess their importance in
the atmosphere.
http://tinyurl.com/jqrj5wr
Greenhouse gas emission monitoring using low cost sensor networks. Prof.
Rod Jones and Prof. Neil Harris (Cranfield)
The student will undertake analysis of existing and new CH4 data from the
East Anglia network, including measurement and data analysis including
Bayesian inversion techniques and the Met Office NAME InTem model.
http://tinyurl.com/hw8g558
Fundamental aerosol and gas phase chemistry
--------------------------------------------------------------------------
ROAR: Reactions of Organic Atmospheric Radicals – a combined experimental
and modelling study. Prof. Markus Kalberer and Dr Alex Archibald
The student will perform laboratory experiments to characterise and
quantify Criegee Intermediate formation and reaction rates from several
important atmospheric alkenes such as isoprene and terpenes with key
atmospheric trace gas such as water, NO2 or SO2 and other volatile organic
compounds. The student will then integrate these experimental results into
atmospheric reaction schemes within the UKCA model, the UK community
chemistry-climate model developed in Cambridge and a processes box-model to
explore the full sensitivity of the complex chemical system.
http://tinyurl.com/z5hv2qo
Earth System Science
--------------------------------------------------------------------------
CONTEST: Feedbacks between COmpositioN and climate in The Earth SysTem. Dr
Alex Archibald
The student will use the new UK earth System Model (UKESM-1) to study
composition-climate feedbacks, validating the model results against a wide
array of observations from satellites, aircraft and in situ observations.
http://tinyurl.com/z246slc
The global methane budget. Prof. John Pyle and Dr Alex Archibald
You will contribute to an improved understanding of the methane budget by
combining new measurements of methane, and its isotopes, with numerical
modelling. The new data will come from field projects in which the project
supervisors are involved, and in which you will play a role.
http://tinyurl.com/hpwn3my
The Polar Atmosphere under Global Climate Change. Prof. John Pyle, Dr Alex
Archibald and Dr Anna Jones (BAS).
The student will consolidate various polar tropospheric composition
datasets, to develop a time-varying (seasonal to longer, depending on the
particular data) picture of polar composition and its recent changes. Our
global composition climate will be run, first, to allow comparison between
the model, as a representation of our best current understanding, and the
data. hen a series of integrations will explore polar composition change,
under a range of assumptions about climate change and inferences made about
the best means of early detection of future change.
http://tinyurl.com/hcy6ot2
The last great ozone destroyer. Prof. John Pyle and Dr Alex Archibald
The student will run a series of experiments using an established
chemistry-climate model, based on the Met Office climate model, to which we
have added chemistry schemes. The project will involve the design of the
experiments and detailed analysis of the large volumes of data produced.
Types of experiments might include investigation of the sensitivity of the
ozone/climate system to size and geographic location of emissions.
http://tinyurl.com/j9fh2ja
INCAZ: Impacts of changes in North Atlantic Climate And oZone. Dr Alex
Archibald
The student will use a new Earth system model, UKESM-1, to study
composition-climate interactions, validating the model results against a
wide array of observations from satellites, aircraft and in situ
observations collected on-board the UK research aircraft (www.faam.ac.uk).
They will perform a series of experiments that perturb ozone precursor
emissions as well as physical climate/processes.
http://tinyurl.com/j7debrw
VHALS: Volcanic sources of Halogens And their cLimate impactS. Dr Alex
Archibald, Dr John Maclennan and Dr Marie Edmonds.
The student will work alongside both Earth and atmospheric scientists.
Geochemical data extracted from lavas in a range of flood basalt provinces
will constrain a series of model experiments that will probe volcanic
halogen emissions. The student will learn how to perform these model
experiments using a state of the art chemistry-climate model.
http://tinyurl.com/j6ao9j4
--------------------------------------------------------------------------
--
-------------------------------------------------------------
Dr Alexander T. Archibald
Lecturer in Atmospheric Chemistry Modelling
NCAS - Climate
Fellow of Emmanuel College
Cambridge Centre for Climate Science
Centre for Atmospheric Science, Cambridge University,
Chemistry Department, Cambridge, CB2 1EW, UK.
Phone. (01223) 763819 Fax (01223) 336473
Email: alex.archibald@atm.ch.cam.ac.uk
Web: www.climatescience.cam.ac.uk/alex
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Message: 2
Date: Fri, 18 Nov 2016 09:40:02 +0000
From: Samar Khatiwala <samar.khatiwala@earth.ox.ac.uk>
To: met-jobs@lists.reading.ac.uk
Subject: [Met-jobs] Ph.D. Studentship in ocean biogeochemistry at the
University of Oxford and Met Office
Message-ID: <45D04E35-8597-4935-BE16-B584C4FB0EA5@earth.ox.ac.uk>
Content-Type: text/plain; charset=utf-8
NERC Industrial CASE Ph.D. Studentship in the Department of Earth Sciences and Mathematical Institute, University of Oxford; the UK Met Office; and National
Oceanography Centre, Southampton
Title: Ocean Biogeochemical Optimisation in ESMs (OBOE)
Supervisors: Profs. Samar Khatiwala (Earth Sciences) and Coralia Cartis (Maths), University of Oxford; Prof. Colin Jones, NERC/Met Office; Drs. Andrew Yool
and Adrian Martin, NOCS
Application deadline: January 20, 2017
As one of the principal reservoirs of CO2, the ocean plays a crucial role in the carbon cycle and in regulating Earth's climate. Understanding and modelling
the interconnections between the ocean carbon cycle and climate is therefore critical for robust estimates of future climate change. A principal challenge in
this regard is the absence of well-established sets of equations governing the behavior of marine ecosystems, which play a key role in ocean carbon dynamics.
Consequently, fundamental processes, such as the formation and sinking of organic matter from the surface into the ocean interior are crudely parameterised.
Improving the representation of these processes in global ocean biogeochemical models, embedded within Earth System Models (ESMs) used to project future
climate change, is thus an important goal of current research and of this project in particular. Specifically, we seek to evaluate and improve the performance of
MEDUSA (Model of Ecosystem Dynamics, nutrient Utilisation, Sequestration and Acidification), the ocean biogeochemical model in the next generation Met
Office/NERC Earth system model (UKESM), currently under development. MEDUSA models the interaction between macro- and micro-nutrients, phytoplankton
and carbon, representing these processes through a range of parameterisations that include a number of key uncertain parameters. We seek to improve the
underlying formulation of these parameters to better represent available observational constraints.
To achieve this a number of challenges need to be addressed. First, because of the complex interaction between biogeochemistry and circulation, model
sensitivities vary both in space and time, as well as with respect to the model field (e.g., nutrients v primary production). Second, evaluating the performance of
global models is prohibitively expensive as every parameter change requires integrating the model for several thousand simulated years to equilibrium before the
model can be compared with observations. As a result there have been very few attempts at systematically optimising the performance of models such as
MEDUSA. To overcome this, the student will exploit a fast "offline" tracer simulation scheme and recently-developed mathematical optimisation techniques to
optimise MEDUSA, a first for a global biogeochemical model of this complexity, especially one used in a state-of-the-art ESM.
Key outcomes of this project include (1) an estimate of MEDUSA's sensitivity to various parameters and thus the relative importance of key processes that affect
the strength of the biological carbon pump; (2) an optimal set of parameters that minimizes the model-observation cost function built on several fields; and (3) a
quantitative assessment of the impact of parameter optimisation on key aspects of UKESM1-projected Earth system change, such as global climate sensitivity,
marine carbon uptake and the resulting biogeochemical state of the deep ocean.
This project brings together ocean biogeochemists, a mathematician and an Earth system modeller and the student will benefit from working actively with
scientists from several disciplines, including the UKESM model development core group. S/he will receive training in not only marine biogeochemical and Earth
system modelling, but also in high performance computing, numerical analysis and mathematical optimisation techniques with broad applicability in science and
engineering. The student will be affiliated with Oxford's NERC-funded Environmental Science Doctoral Training Partnership (DTP) in Environmental Research
and will thus benefit from courses offered through the DTP as well as the Mathematical Institute.
Eligibility: UK/EU students with a good (2.1 or higher, or its equivalent) first degree in the natural sciences, maths or engineering and strong computing skills are
encouraged to apply.
Application process: To apply follow the instructions at https://www.earth.ox.ac.uk/teaching/graduates/graduate-admissions/. Informal inquiries may be directed to:
Samar Khatiwala (samar.khatiwala@earth.ox.ac.uk).
------------------------------
Message: 3
Date: Fri, 18 Nov 2016 17:19:41 +0100
From: Pere Quintana Seguí <pquintana@obsebre.es>
To: "met-jobs@lists.reading.ac.uk" <met-jobs@lists.reading.ac.uk>
Subject: [Met-jobs] Industrial Doctorate :: First Guess Root zone soil
moisture estimation from Remote Sensing Data, application to
agriculture and drought monitoring
Message-ID: <e45f9bfb-0c5a-dca5-4ee9-f0b27d7135f3@obsebre.es>
Content-Type: text/plain; charset="windows-1252"; Format="flowed"
Dear all,
We are looking for a candidate for a "industrial doctorate" on the
estimation of root zone soil moisture from remote sensing data.
The applicant will work at isardSAT, a remote sensing company based in
Barcelona, Spain.
The academic institution responsible for the doctorate is the Ebro
Observatory (Ramon Llull University), located in Tortosa (Tarragona
province).
The doctorate depends on funding by the Spanish government, which
depends on the quality of both, the candidate and the project.
Find the details of the project and the profile of the desired candidate
in the attached file.
Yours sincerecely,
---
Dr. Pere Quintana-Seguí
Observatori de l'Ebre (Universitat Ramon Llull - CSIC)
Horta Alta, 38. 43520 Roquetes (Tarragona), Spain.
T. (+34) 977 500 511 - F. (+34) 977 504 660
http://www.obsebre.es - http://pere.quintanasegui.com
pquintana@obsebre.es
GnuPG:2CAB4330
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