--- manual/s_ecco/text/top_section.tex	2001/08/08 16:16:26	1.1
+++ manual/s_ecco/text/top_section.tex	2003/05/13 21:09:43	1.4
@@ -1,4 +1,15 @@
-% $Header: /home/ubuntu/mnt/e9_copy/manual/s_ecco/text/top_section.tex,v 1.1 2001/08/08 16:16:26 adcroft Exp $
+% $Header: /home/ubuntu/mnt/e9_copy/manual/s_ecco/text/top_section.tex,v 1.4 2003/05/13 21:09:43 heimbach Exp $
 % $Name:  $
 
 \chapter{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.
+
+\input{part8/ecco_env.tex}
+
+\input{part8/exf.tex}
+
+\input{part8/optim.tex}