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Collaborative Research: Synthesis of Thwaites Glacier Dynamics: Diagnostic and Prognostic Sensitivity Studies of a West Antarctic Outlet System

Entry ID: parizek_0758274

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Summary

Abstract: This NSF-ANT award supports a three-year study to isolate essential physical processes affecting Thwaites Glacier (TG) in the Amundsen Sea Embayment (ASE) of West Antarctica using a suite of existing numerical models in conjunction with existing and International Polar Year (IPY)-proposed data sets.

Purpose: Four different models will be utilized to explore the effects of embayment geometry, ice-shelf buttressing, basal-stress distribution, surface mass balance, surface climate, and inland dynamic perturbations on the present and future dynamics of TG. This particular collection of models is ideally suited for the broad nature of this investigation, as they incorporate efficient and complementary ...

Related URL

Link: VIEW RELATED INFORMATION

Description: The "West Antarctic Links to Sea-level Estimation (WALSE)" workshop was sponsored by the UK Foreign and Commonwealth Office's Science & Innovation Network, the UK Department for Environment, Food and Rural Affairs (DEFRA) and by the Jackson School of Geosciences at the University of Texas. WALSE has been officially endorsed as an IPY activity. This site houses a consensus statement that resulted from the workshop. Ice sheet-outlet glacier-ocean-atmosphere interactions as well as the influence of stabilizing/de-stabilizing boundary conditions were highlighted and discussed at this meeting and relate to the work we performed for this award.

Link: VIEW RELATED INFORMATION

Description: The Thwaites outlet system has become a targeted study area for regional modelers participating in the Sea-level Response to Ice Sheet Evolution (SeaRISE) project. Information about this community-organized effort as well as data sets used in the modeling studies can be found through links at this URL. SeaRISE seeks to use existing models to provide insights into ice-sheet sensitivity and guidance to future model development through a suite of simulations with moderate-to-extreme forcing scenarios over the next 100-500 years.

Geographic Coverage

(Click for Interactive Map)

Spatial coordinates

	N: -74.05	S: -76.65	E: -105.28	W: -110.06
Min Altitude: 0 M Max Altitude: 1182.8 M
Min Depth: -414.2306 M Max Depth: -1356.7 M

Temporal Coverage

Start Date: 1973-01-01

Stop Date: 2591-12-31

Location Keywords

CONTINENT > ANTARCTICA

GEOGRAPHIC REGION > POLAR

Science Keywords

CRYOSPHERE > GLACIERS/ICE SHEETS > GLACIERS

CRYOSPHERE > SNOW/ICE

CRYOSPHERE > GLACIERS/ICE SHEETS

CRYOSPHERE > GLACIERS/ICE SHEETS > GLACIER MASS BALANCE/ICE SHEET MASS BALANCE

ISO Topic Category

CLIMATOLOGY/METEOROLOGY/ATMOSPHERE

Platform

LABORATORY

Ancillary Keywords

Antarctica

model results

Originating Center

Penn State DuBois, Mathematics and Geosciences

Data Center

NSIDC Antarctic Glaciological Data Center

Data Center URL: http://nsidc.org/agdc/

Data Center Personnel
Name: NSIDC AGDC USER SERVICES Phone: +1 (303) 492-6199 Fax: +1 (303) 492-2468 Email: nsidc at nsidc.org Contact Address: National Snow and Ice Data Center CIRES, 449 UCB University of Colorado City: Boulder Province or State: CO Postal Code: 80309-0449 Country: USA