[MITgcm-support] what's the difference between _RL and _RS when definite parameters?

[Chun-Yan Zhou]

Hi all,
 The _RL and _RS seem to be related to parallel system, right? But what's the difference between _RL and _RS?
 By the way,
 in the file mom_u_bottomdrag.F as follows, there is "_"in front of the recip_hFacW(i,j,k,bi,bj), what is this signal for? And there is also a minus sign"-" in front of _recip_hFacW, but the formula in 2.14.6 of manual does not have "-". Can anyone help me out? Thanks in advance.
 
        uDragTerms(i,j)=
     &   -_recip_hFacW(i,j,k,bi,bj)*recip_drF(k)
     &   *(
     &      2.*KappaRU(i,j,kDownC)*rdrckp1*viscFac
#ifdef ALLOW_BOTTOMDRAG_CONTROL
     &     + bottomdragfld(i,j,bi,bj)*dragFac
#else
     &     + bottomDragLinear*dragFac
#endif
     &    )*(1.-maskDown)*uFld(i,j)
 
 
Chunyan Zhou
Division of Civil Engineering
School of Engineering, Physics and Mathematics
College of Art, Science and Engineering
Fulton Building
University of Dundee
Dundee DD1 4HN
The University of Dundee is a registered Scottish charity, No: SC015096
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