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Project Information

COLLABORATIVE RESEARCH: A MODEL-BASED SYNTHESIS OF MID ATLANTIC BIGHT PIONEER ARRAY DATA TO INFER ACROSS-SHELF FLUXES, FRONTAL VARIABILITY, AND CHARACTERISTICS OF THE ARRAY

Agency:
NSF

National Science Foundation

Project Number:
1459646
Contact PI / Project Leader:
WILKIN, JOHN L
Awardee Organization:
RUTGERS THE ST UNIV OF NJ NEW BRUNSWICK

Description

Abstract Text:
In support of the National Science Foundation Ocean Observatories Initiative, the objective of the proposed research is to provide a synthesis of all existing and future observations collected by the Pioneer Array in the Mid-Atlantic Bight. Observation impact and observation sensitivity calculations will be used to evaluate the observing array. Until now, this has been largely the domain of numerical weather prediction. The proposed research will yield a sequence of high quality circulation analyses for the Mid-Atlantic Bight that will shed new light on the relative role of instability, eddy fluxes and surface forcing in promoting cross-shelf exchange and in shaping the circulation of the region. The resulting circulation analyses will be made available on a web server at Rutgers University and will represent a valuable community resource. Model configurations from this project will be used to frame lectures for international summer schools addressing advanced methods in applied coastal ocean modeling and data assimilation to senior graduate students and early career scientists. The project will also train a graduate student.

The specific goals of the project are to: (i) compute retroactive and near real-time analyses of the ocean circulation in the domain spanned by the Pioneer Array using a state-of-the-art ocean model and data assimilation system; (ii) explore the dynamics of shelf exchange processes; and (iii) evaluate the Pioneer Array design using dynamically motivated metrics of the shelf circulation. The Pioneer Array observations will be synthesized using a multi-scale configuration of the Regional Ocean Modeling System and a 4-dimensional variational data assimilation system. Being directly constrained by the observations, the resulting 3-dimensional time-evolving circulation estimates will be more reliable than either the model or the observations considered in isolation. The circulation estimates are expected to span the period 2015-2018 and will provide a valuable and seamless multi-year and multi-scale ocean data set that will be used to explore the dynamics of shelf-break processes in the region including seasonal variability in cross-shelf fluxes associated with stratification, eddy fluxes, the formation of boundary layers, and the occurrence of episodic exchange events across the shelf-break. The ability of the moored and mobile components of the Pioneer Array to address specific science questions will be evaluated using a suite of sophisticated analysis tools that quantify the impact of individual observations and assets on specific circulation metrics that target the aforementioned physical processes. The complimentary suite of tools used will include observation impact and observation sensitivity calculations, identification of the array modes, and observing system simulation experiments
Project Terms:
3-Dimensional; Address; Arts; Assimilations; base; Biological Models; Blood Circulation; career; Characteristics; Communities; Data; data modeling; Data Set; design; Event; Foundations; Four-dimensional; Future; Goals; graduate student; Individual; International; Internet; lectures; Light; Methods; Modeling; ocean currents; Oceans; physical process; Process; Relative (related person); Research; research study; Resources; Role; Schools; Science; Scientist; Shapes; simulation; Stratification; Surface; System; Time; tool; Training; Universities; Weather

Details

Contact PI / Project Leader Information:
Name:  WILKIN, JOHN L
Other PI Information:
ARANGO, HERNAN
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: 2015
Award Notice Date: 18-Feb-2015
DUNS Number: 001912864
Project Start Date: 01-Mar-2015
Budget Start Date:
CFDA Code: 47.050
Project End Date: 28-Feb-2018
Budget End Date:
Agency: ?

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National Science Foundation
Project Funding Information for 2015:
Year Agency

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FY Total Cost
2015 NSF

National Science Foundation

$386,691

Results

i

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