ETA JOURNAL REFERENCES

                      Last updated:  20 Oct 1999

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                              General

Black, T., 1994:  The new NMC mesoscale Eta model:  description and 
forecast examples.  Wea. Forecasting, 9, 265--278.

Mesinger, F., Z.I. Janjic, S. Nickovic, D. Gavrilov and D.G. Deaven, 
1988:  The step-mountain coordinate: model description and
performance for cases of alpine lee cyclogenesis and for a case of an 
Appalachian redevelopment.  Mon. Wea. Rev., 116, 1493--1518.

Rogers, E., T. L. Black, D. G. Deaven, G. J. DiMego, Q. Zhao, M. Baldwin,
N. W. Junker and Y. Lin, 1996:  Changes to the operational ``Early'' Eta
analysis/forecast system at the National Centers for Environmental 
Prediction.  Wea. Forecasting, 11, 391--413.

Rogers, E., D. Deaven and G. J. DiMego, 1995:  The regional analysis system
for the operational "early" Eta model: original 80-km configuration and
recent changes.  Wea. Forecasting, 10, 810--825.

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                  Land Surface Physics/Hydrology

Betts, A.K., F. Chen, K.E. Mitchell and Z.I. Janjic, 1997: Assessment of
the land-surface and boundary-layer models in two operational versions
of the NCEP Eta model using FIFE data.  Mon. Wea. Rev., 125, 2896--2916.

Chen, F., K. Mitchell, J. Schaake, Y. Xue, H.-L. Pan, V. Koren, 
Q.Y. Duan, M. Ek and A. Betts, 1996: Modeling of land surface 
evaporation by four schemes and comparison with FIFE observations.
J. Geophy. Research, 101, 7251--7268.

Chen, F., Z. Janjic and K. Mitchell, 1997:  Impact of atmospheric-
surface layer parameterizations in the new land-surface scheme of the
NCEP mesoscale Eta numerical model.  Boundary-Layer Meteorol, 85, 391--421.
(See Appendix B for a summary of Eta land surface physics).

Yucel, I., W.J. Shuttleworth, J. Washburne and F. Chen, 1998: Evaluating
NCEP Eta model-derived data against observations. Mon. Wea. Rev., 126,
1977-1991.

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                            Physics:

Janjic, Z.I., 1990:  The step-mountain coordinate: physical package.
Mon. Wea. Rev., 118, 1429--1443.

Janjic, Z.I., 1994:  The step-mountain Eta coordinate model:  further
developments of the convection, viscous sublayer, and turbulence closure
schemes.  Mon. Wea. Rev., 122, 927--945.

Janjic, Z.I., 1998: Realizability of the Mellor-Yamada Level 2.5 Scheme
and its Implementation in the NCEP Eta model.  Submitted to Mon. Wea. Rev.

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                          Cloud Physics

Zhao, Q., and F.H. Carr, 1997: A prognostic cloud scheme for operational
NWP models.  Mon. Wea. Rev., 125, 1931--1953.

Zhao, Q., T.L. Black and M.E. Baldwin, 1997: Implementation of the cloud
prediction scheme in the Eta model at NCEP.  Wea. Forecasting, 12, 697--711.

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                     Planetary Boundary Layer

Mellor, G.L., and T. Yamada, 1974:  A hierarchy of turbulence closure models
for planetary boundary layers.  J. Atmos. Sci., 31, 1791--1806.

Mellor, G.L., and T. Yamada, 1982:  Development of a turbulence closure
model for geophysical fluid problems.  Rev. Geophys. Space Phys., 
20, 851--875.


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                   Convective Parameterization

Betts, A.K., 1986:  A new convective adjustment scheme.  Part I:  
Observational and theoretical basis.  Quart. J. Roy. Meteor. Soc., 111, 
1306--1335.

Betts, A.K., and M.J. Miller, 1986:  A new convective adjustment scheme.  
Part II:  Single column tests using GATE wave, BOMEX, ATEX and Arctic 
air-mass data sets.  Quart. J. Roy. Meteor. Soc., 112, 693--709.


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                            Radiation

Fels, S.B., and M.D. Schwarztkopf, 1975:  The simplified exchange
approximation:  A new method for radiative transfer calculations.  
J. Atmos. Sci., 32, 1475--1488

Lacis, A.A., and J.E. Hansen, 1974:  A parameterization of the absorption
of solar radiation in the earth's atmosphere.  J. Atmos. Sci., 31, 
118--133.

 
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                   ETA NCEP INTERNAL REFERENCES

Black, T. L., 1988:  The step-mountain, Eta coordinate Regional Model:
A documentation.  NWS/NMC Washington, 47pp [Available from NCEP, 5200
Auth Road, Washington D.C. 20233].

Black, T.L., D. Deaven and G. DiMego, 1993:  The step-mountain Eta
coordinate model: 80-km 'early' version and objective verifications.
Technical Procedures Bulletin, No. 412, NOAA/NWS, 31 pp [National
Weather Service, Office of Meteorology, 1325 East-West Highway, Silver
Spring, MD 20910]. 

Black,T, M. Baldwin, K. Brill, F. Chen, G. DiMego, Z. Janjic,
G. Manikin, F. Mesinger, K. Mitchell, E. Rogers, and Q. Zhao, 1997:
Changes to the Eta forecast systems.  Technical Procedures Bulletin, 
No. 441, NOAA/NWS, [National Weather Service, Office of Meteorology, 
1325 East-West Highway, Silver Spring, MD 20910]. On-line version

Gerrity, J., T. Black, M. Baldwin, L. Lobocki and M. Pecnick, 1992:
Report on the parallel test of the 46-layer version of the ETA model:  
23 Mar - 1 Apr 92.

Lazic, L and B. Telenta, 1988:  UB/NMC Eta model (documentation).

Lobocki, L., 1993: Ducumentation of the subroutine TRIDI.

Lobocki, L., 1993: Calculation of fluxes in the MRF and ETA models.

Lobocki, L., 1993:  Supplementary explanation of the code of the
routines profq2 and profs.

Mesinger, F., T.L. Black and Z.I. Janjic, 199?: Sigma system 
contribution to systematic errors in models of the atmosphere.

Mesinger, F., T.L. Black and Z.I. Janjic, 1992:  The NMC's ``ETA''
coordinate model: Summary and convection scheme experiments. 

Mesinger, F. and Z.I. Janjic, 199?:  Finite-difference schemes for
the pressure gradient force and for the hydrostatic equation.

Mesinger, F., 1991:  ``Etay'' parallel (``land convection''), running 
through September-October '91 ("Version 3" running starting 12z 
18 September).  Office memo.

Mesinger, F., 1992:  Turbulence closure fluxes in the Eta model: 
A synopsis of the Valentine '91 case.  Office memo.

Rogers, E., T. Black, D. Deaven, G. DiMego, Q. Zhao, Y. Lin, 
N. W. Junker, and M. Baldwin, 1995: Changes to the NMC operational 
Eta model analysis/forecast system.  Technical Procedures 
Bulletin No. 423, NOAA/NWS, 60 pp. [ National Weather Service, 
Office of Meteorology, 1325 East-West Highway, Silver Spring, 
MD 20910 ]

Rogers, E.,  M. Baldwin, T. Black, K. Brill, F. Chen, G. DiMego, 
J. Gerrity, G. Manikin, F. Mesinger, K. Mitchell, D. Parrish, Q. Zhao,
1997: Changes to the NCEP Operational "Early" Eta Analysis/Forecast 
System.  Technical Procedures Bulletin No. 447, NOAA/NWS. 
[ National Weather Service, Office of Meteorology, 1325 East-West 
Highway, Silver Spring, MD 20910 ].  On-line version

Rogers, E., D. Parris and G. DiMego, 1999: Changes to the NCEP operational 
Eta Analysis.  Technical Procedures Bulletin, No.*** (not yet numbered), 
NOAA/NWS. [ National Weather Service, Office of Meteorology, 1325 East-West 
Highway, Silver Spring, MD 20910 ].  On-line version

Treadon, R.E., 1993:  The NMC Eta Model post processor:  A
documentation.  NMC Office Note 394, NOAA/NWS, 44 pp.  [Available from
the National Centers for Environmental Prediction, NOAA Science Center, 
Room 101, 5200 Auth Road, Camp Springs, MD 20746.]


For the latest on-line Eta-related Technical Procedures Bulletins, go here, look for the entry "ETA Model" in the "subject" column.