8. Interface with ECCO

This chapter describes the interface between MITgcm and the large scale optimization schemes employed in the ECCO project. The interface provides the so-called ``ECCO environment'', which is maintained alongside the kernel MITgcm code.

• 8.1 The ECCO state estimation cost function DRAFT!!!
  • 8.1.1 Sea surface height from TOPEX/Poseidon and ERS-1/2 altimetry
  • 8.1.2 Hydrographic constraints
  
  
• 8.2 The external forcing package exf
  • 8.2.1 Summary
  
  
• 8.3 The calendar package cal
  • 8.3.1 Basic assumptions for the calendar tool
  • 8.3.2 Format of calendar dates
  • 8.3.3 Calendar dates and time intervals
  • 8.3.4 Using the calendar together with MITgcm
  • 8.3.5 The individual calendars
  • 8.3.6 Short routine description
  
  
• 8.4 The line search optimisation algorithm
  • 8.4.1 General features
  • 8.4.2 The online vs. offline version
  • 8.4.3 Number of iterations vs. number of simulations

Copyright © 2002 Massachusetts Institute of Technology