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Project Information

RELATIVE SEA-LEVEL CHANGES FROM NEAR-, INTERMEDIATE- AND FAR-FIELD LOCATIONS AND THEIR IMPLICATIONS FOR GEOPHYSICAL MODELING AND 20TH CENTURY ICE SHEET-OCEAN INTERACTIONS

Agency:
NSF

National Science Foundation

Project Number:
1419366
Contact PI / Project Leader:
HORTON, BENJAMIN P
Awardee Organization:
RUTGERS THE ST UNIV OF NJ NEW BRUNSWICK

Description

Abstract Text:
The goal of this research is to synthesize a database of sea-level observations in a systematic and rigorous fashion for the Atlantic coast of North America, Bermuda and the Caribbean for the last 20,000 years. The database will facilitate the interpretation of relative sea-level (RSL) change on a regional scale and enable the tuning and refinement of Earth system models that focus on predicting RSL change and its spatial variability. The database consists of 60 study locations, permitting a suite of geophysical parameters to be constrained. Earth?s lower mantle viscosity will be defined by near-field and ice-margin RSL data from the Atlantic coast of Canada and northeastern United States while the upper mantle viscosity will be reliant on intermediate-field RSL data from the mid Atlantic. Far-field RSL data from the southern United States and Caribbean will constrain ice-equivalent meltwater input. The database will be further used to decontaminate 20th century rates of sea-level rise from tides gauges to reveal spatial variability related to ocean mass and volume changes.
At the heart of this project is a database of sea level from North America (the Atlantic coast of Canada and the United States) and the Caribbean that stretches back 20,000 years. This will be significant to a number of disciplines in the Earth sciences. For example, careful reconstruction of sea levels from the past will reveal the contribution from land-based ice to sea-level change during deglaciation after the last ice age. In addition, the data will provide vital constraints on key parameters in geophysical models of the Earth that are used in a variety of other applications (e.g., plate tectonics, glaciology and paleoclimate). Overall, the observations will extend the time range of comparisons with historical and present-day changes. Consequently, this research promises to increase our understanding of the driving mechanisms of sea level change and enhance our predictions of 21st century sea-level rise. The research will also provide an important and unique contribution to the assessment of national hazards with respect to sea-level rise and coastal responses.
Project Terms:
Age; Automobile Driving; Back; base; Bermuda; Biological Models; Canada; Caribbean region; Data; Databases; Discipline; Goals; hazard; Heart; Ice; Ice Cover; Location; Modeling; New England; North America; Oceans; reconstruction; Relative (related person); Research; response; Science; Sea; Stretching; Time; United States; Viscosity

Details

Contact PI / Project Leader Information:
Name:  HORTON, BENJAMIN P
Other PI Information:
Not Applicable
Awardee Organization:
Name:  RUTGERS THE ST UNIV OF NJ NEW BRUNSWICK
City:  NEW BRUNSWICK    
Country:  UNITED STATES
Congressional District:
State Code:  NJ
District:  06
Other Information:
Fiscal Year: 2014
Award Notice Date: 10-Feb-2014
DUNS Number: 001912864
Project Start Date: 15-Feb-2014
Budget Start Date:
CFDA Code: 47.050
Project End Date: 31-Mar-2015
Budget End Date:
Agency: ?

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National Science Foundation
Project Funding Information for 2014:
Year Agency

Agency: The entity responsible for the administering of a research grant, project, or contract. This may represent a federal department, agency, or sub-agency (institute or center). Details on agencies in Federal RePORTER can be found in the FAQ page.

FY Total Cost
2014 NSF

National Science Foundation

$41,132

Results

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