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Contact details

Position:

Head of Marine Systems Modelling

Group:

Marine Systems Modelling

Site:

Liverpool

Email:

jholt at noc.ac.uk

Telephone:

+44 (0)151 795 4853

Profile

Biography

I specialise in the synthesis of models and observations to develop our understanding of shelf-sea physical and coupled physical-biological systems on global scales. Particular areas of interest include the dynamical drivers of climate change on coastal-oceans and developing global approaches to coastal-ocean science.

Committees

National Partnership for Ocean Prediction (co-Chair)
Copernicus Marine - Science and Technology Advisory Committee
ICES/PICES Strategic Initiative on Climate Change effects on Marine Ecosystems (SICCME)

Projects

NERC Funded

FOCUS Future states of the global coastal ocean: Understanding for Solutions Lead PI
SEAP Sources, impacts and solutions for plastics in South East Asia coastal environments NOC lead
SANH South Asia Nitrogen Hub NOC Lead
CLASS Climate Linked Atlantic Sector Science Modelling lead
CAMPUS Combining Autonomous observations and Models for Predicting and Understanding Shelf seas, co-PI, NOC lead
C-RISC Coastal Resilience ot flooding |Imoact through relocatable Storm surge forecast Capability for developing nations, PI
ReCICLE Resolving Climate Impacts on shekf abd Coastal sea Ecosystems PI
ACCORD Addressing Challenges of Coastal Communities through Ocean Research for Developing Economies, co-I, Modelling lead
LOCATE Land-Ocean Carbon Transfer, co-I Modelling lead
GOcean:2D Ocean test cases in GungHo framework, technology Proof of Concept, PI
Marine Ecosystems Research Programme co-PI, NOC Lead
Integrative Modelling for Shelf Seas Biogeochemistry co-PI, NOC Lead
FASTNet co-PI, NOC lead, Ocean-shelf exchange Research Programme
Next Generation Ocean Road Map PI: Exploring options for ocean modeling in the UK for the next 10–15 years
Quantifying and Monitoring Potential Ecosystem Impacts of Geological Carbon Storage co-PI, NOC lead
Regional Ecosystem & Biogeochemical Impacts of Ocean Acidification – a modelling study co-PI, NOC lead
Assessing health, livelihoods, ecosystem services and poverty alleviation in populous deltas co-I
NCEO-Carbon co-PI, POL lead: Developing observation constrained models of carbon fluxes in shelf seas
DUST-UP (UK SOLAS) co-PI, POL lead: Modelling the impact of dust on ecosystems at ocean margins
QUEST-FISH (QUEST) co-PI, POL lead: Modelling the impacts of climate change on global fisheries
Oceans 2025 POL theme leader: NERC’s core programme in marine science.
MARQUEST (QUEST) co-PI, POL lead: Developing shelf sea capability in Earth Systems Models
Global Coastal Ocean Modelling (eScience) PI: Developing the GCOMS system to collectively model all shelf seas around the globe.
RAPID Arctic Shelves (thematic) co-PI POL lead: Investigating the formation of dense water in Arctic shelf seas.
CASIX (Earth Observation centre of excellence) co-PI, Science element leader: Modelling air-sea CO₂ fluxes in shelf seas
Climatic versus anthropogenic control of nutrients in the Irish Sea (Standard Grand) co-PI, POL lead: Investigating climatic variability in the Irish Sea
Marine Productivity (Thematic) Ecosystem modelling in the Irish Sea
LOIS Integrated Modelling phase (Thematic) Linking cross-discipline modelling capability: catchment to coast
LOIS North Sea Modelling (Thematic) Developing multi-disciplinary shelf-sea modelling capability

EU Funded

Mission Atlantic Towards the Sustainable Development on the Atlantic Ocean, NOC lead
IMMERSE Improving Ocean Modelling for the Copernicus Programme, WP8 lead
EuroBASIN co-PI: End to end ecosystems in the North Atlantic and adjacent shelf seas
MyOcean co-PI: Operational oceanography for the European arena
MEECE co-PI: Predicting the impacts of multiple drivers on physics to fish in shelf seas
ECOOP co-PI: Shelf sea operational oceanography
Ferry Box co PI: Instrumented ferries to support marine observing systems
MERSEA co-PI: Developing shelf sea coupled hydrodynamic-ecosystem operational models
OMEX I Researcher: Internal waves at the shelf-break

Publications