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BRISRES SIGNED

The Basal Roughness of Ice Sheets from Radio-Echo Sounding

Total Cost €

EC-Contrib. €

Partnership

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Outcomes and
results

BRISRES project word cloud

Explore the words cloud of the BRISRES project. It provides you a very rough idea of what is the project "BRISRES" about.

community antarctic constraints parameterisation made electromagnetic unprecedented opportunity quantitative sea sufficient assumptions simulations model fellowship environments regions environment techniques sheets geophysical models geostatistical subsidiary surfaces absence characterising radio lithology subglacial combining relationship sediments metre compiling mapping significantly penetrating greenland placed earth res observations characterised basal characterisation kilometre sounding regarding glaciology statistics bed echo adapting dependence beds goals lags sliding pulse sensitivity accuracy framework topography physically fractal glacier coverage scattering roughness sheet technique thermal integration deformable predictions data radar beneath synthesis governed transfer ice least

Project "BRISRES" data sheet

The following table provides information about the project.

Coordinator	UNIVERSITY OF BRISTOL Organization address address: BEACON HOUSE QUEENS ROAD city: BRISTOL postcode: BS8 1QU website: www.bristol.ac.uk contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.
Coordinator Country	United Kingdom [UK]
Project website	http://www.bristol.ac.uk/geography/people/tom-m-jordan/index.html
Total cost	251˙857 €
EC max contribution	251˙857 € (100%)
Programme	1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
Code Call	H2020-MSCA-IF-2016
Funding Scheme	MSCA-IF-GF
Starting year	2017
Duration (year-month-day)	from 2017-08-21 to 2020-08-20

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	UNIVERSITY OF BRISTOL UNIVERSITY OF BRISTOL Organization address address: BEACON HOUSE QUEENS ROAD city: BRISTOL postcode: BS8 1QU website: www.bristol.ac.uk contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	UK (BRISTOL)	coordinator	251˙857.00
2	BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY Organization address address: SERRA MALL 450 city: STANFORD postcode: 94305 2004 website: www.stanford.edu contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	US (STANFORD)	partner	0.00

Map

Project objective

The subglacial environment beneath the Greenland and Antarctic ice sheets is one of the physically least well characterised environments on Earth. Ice sheet model simulations demonstrate high sensitivity to their basal sliding parameterisation which is governed by basal roughness, the thermal state of the bed, and lithology (presence or absence or deformable sediments). Compiling observations of the current state of the glacier bed is therefore crucial for the accuracy of ice sheet modelling and future predictions of sea level change. Radio-echo sounding (RES) is the only existing geophysical technique that has sufficient data coverage to enable ice-sheet-wide information to be obtained from the bed. In general, however, quantitative analysis of radar sounding data, and integration with electromagnetic and geostatistical approaches, lags significantly behind the data availability. In this fellowship I will develop an integrated framework for characterising the roughness of glacier beds; exploiting information from the electromagnetic scattering of the radar pulse and the statistics of the basal topography. This approach will enable an unprecedented characterisation of the scale dependence of basal roughness from the kilometre to the metre scale - the scale that is most relevant for basal sliding. Via a synthesis with ice sheet models I will challenge assumptions that are made regarding basal roughness and its relationship with other geophysical data fields, enabling new radar-derived constraints to be placed upon the bed of ice sheets. Subsidiary goals include: adapting electromagnetic scattering models for fractal surfaces to ice penetrating radar; identifying and mapping regions of deformable bed; and developing a framework for combining electromagnetic scattering information from different radar systems. This fellowship represents a unique opportunity to transfer knowledge and techniques from the US geophysical radar community to European glaciology.

Publications

List of publications.
year	authors and title	journal	last update
2019	Thomas M. Jordan, Dustin M. Schroeder, Davide Castelletti, Jilu Li, Jorgen Dall A Polarimetric Coherence Method to Determine Ice Crystal Orientation Fabric From Radar Sounding: Application to the NEEM Ice Core Region published pages: 1-17, ISSN: 0196-2892, DOI: 10.1109/tgrs.2019.2921980	IEEE Transactions on Geoscience and Remote Sensing	2019-10-29
2018	Thomas M. Jordan, Christopher N. Williams, Dustin M. Schroeder, Yasmina M. Martos, Michael A. Cooper, Martin J. Siegert, John D. Paden, Philippe Huybrechts, Jonathan L. Bamber A constraint upon the basal water distribution and thermal state of the Greenland Ice Sheet from radar bed echoes published pages: 2831-2854, ISSN: 1994-0424, DOI: 10.5194/tc-12-2831-2018	The Cryosphere 12/9	2019-10-29

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