Toward Construction of an Efficient, Lead-Resolving PIPS Model
Abstract
Developed an ADI method to efficiently solve the ice momentum equations associated with a lead-based viscous plastic rheology. Implemented the ADI solver in a dynamic thermodynamic sea-ice model in spherical coordinates. Also developed mathematical formulations for viscous plastic rheologies using teardrop and parabolic lens yield curves with or without incorporating tensile stress. These rheologies, together with the elliptical yield curve, have been numerically implemented in a 10 km. high-resolution 12 category thickness and enthalpy distribution (TED) model for the Arctic Ocean. Did three model runs with these 3 yield curves, driven by atmospheric forcing from 1987-1999. Conducted model runs with a corresponding 40 km resolution model using 4 plastic yield curves. Incorporated an optimal interpolation data assimilation procedure in a TED sea-ice model. Investigated effects of assimilating buoy drift data and satellite ice motion data on modeling Arctic sea ice.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jun 25, 2002
- Accession Number
- ADA403568
Entities
People
- Jinlun Zhang
Organizations
- University of Washington