Fathom’s research

Research papers

Our research has been critically tested and refined through academic peer-review and published in world-leading scientific journals.

Our key research advances, 1992-2025

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FathomDEM: an improved global terrain map using a hybrid vision transformer model

Research exploring the creation of FathomDEM: An improved global terrain map of the Earth’s surface built using a novel machine learning approach; a hybrid vision transformer model.

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A 30 m global flood inundation model for any climate scenario

Research into the creation of the most comprehensive flood mapping framework to date highlights the impact of climate change on flood risk around the globe.

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A new climate-conditioned catastrophe flood model for the UK

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A 30m global map of elevation with forests and buildings removed

Influential paper exploring the development of FABDEM – our global digital elevation model

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Combined Modeling of US Fluvial, Pluvial, and Coastal Flood Hazard Under Current and Future Climates

Validation of the methodologies underpinning Fathom-US 2.0

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The Spatial Dependence of Flood Hazard and Risk in the United States

Methodology for Fathom-US CAT model.

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Estimates of present and future flood risk in the conterminous United States

Presentation of current and future flood risk in the US.

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Validation of a 30 m resolution flood hazard model of the conterminous United States

First validation of a large-scale flood model.

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A high-resolution global flood hazard model

First description of a high-resolution global flood model.

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A subgrid channel model for simulating river hydraulics and floodplain inundation over large and data sparse areas

Presentation of sub-grid hydraulic model structures.

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A simple inertial formulation of the shallow water equations for efficient two-dimensional flood inundation modelling

Hugely influential paper describing new formulation of shallow water equations.

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Reach scale floodplain inundation dynamics observed using airborne synthetic aperture radar imagery: Data analysis and modelling

First description of remotely-sensed imagery in model validation.

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A simple raster-based model for flood inundation simulation

Seminal paper describing the first grid-based flood model.

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Modelling floodplain flows using a two-dimensional finite element model

Professor Paul Bates’ first paper describing a 2D flood model.

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01 NEW 2025

FathomDEM: an improved global terrain map using a hybrid vision transformer model

Research exploring the creation of FathomDEM: An improved global terrain map of the Earth’s surface built using a novel machine learning approach; a hybrid vision transformer model.

Read paper
02 2024

A 30 m global flood inundation model for any climate scenario

Research into the creation of the most comprehensive flood mapping framework to date highlights the impact of climate change on flood risk around the globe.

Read paper
03 2023

A new climate-conditioned catastrophe flood model for the UK

Read paper
04 2022

A 30m global map of elevation with forests and buildings removed

Influential paper exploring the development of FABDEM – our global digital elevation model

Read paper
05 2021

Combined Modeling of US Fluvial, Pluvial, and Coastal Flood Hazard Under Current and Future Climates

Validation of the methodologies underpinning Fathom-US 2.0

Read paper
06 2019

The Spatial Dependence of Flood Hazard and Risk in the United States

Methodology for Fathom-US CAT model.

Read paper
07 2018

Estimates of present and future flood risk in the conterminous United States

Presentation of current and future flood risk in the US.

Read paper
08 2017

Validation of a 30 m resolution flood hazard model of the conterminous United States

First validation of a large-scale flood model.

Read paper
09 2015

A high-resolution global flood hazard model

First description of a high-resolution global flood model.

Read paper
10 2012

A subgrid channel model for simulating river hydraulics and floodplain inundation over large and data sparse areas

Presentation of sub-grid hydraulic model structures.

Read paper
11 2010

A simple inertial formulation of the shallow water equations for efficient two-dimensional flood inundation modelling

Hugely influential paper describing new formulation of shallow water equations.

Read paper
12 2006

Reach scale floodplain inundation dynamics observed using airborne synthetic aperture radar imagery: Data analysis and modelling

First description of remotely-sensed imagery in model validation.

Read paper
13 2000

A simple raster-based model for flood inundation simulation

Seminal paper describing the first grid-based flood model.

Read paper
14 1992

Modelling floodplain flows using a two-dimensional finite element model

Professor Paul Bates’ first paper describing a 2D flood model.

Read paper

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