-
1
-
-
0034098290
-
Diagnosis of background errors for radiances and other observable quantities in a variational data assimilation scheme, and the explanation of a case of poor convergence
-
Andersson, E., M. Fisher, R. Munro, and A. McNally, 2000: Diagnosis of background errors for radiances and other observable quantities in a variational data assimilation scheme, and the explanation of a case of poor convergence. Quart. J. Roy. Meteor. Soc., 126, 1455-1472.
-
(2000)
Quart. J. Roy. Meteor. Soc
, vol.126
, pp. 1455-1472
-
-
Andersson, E.1
Fisher, M.2
Munro, R.3
McNally, A.4
-
2
-
-
33749027769
-
The use of an ensemble approach to study the background error covariances in a global NWP model
-
Belo Pereira, M., and L. Berre, 2006: The use of an ensemble approach to study the background error covariances in a global NWP model. Mon. Wea. Rev., 134, 2466-2489.
-
(2006)
Mon. Wea. Rev
, vol.134
, pp. 2466-2489
-
-
Belo Pereira, M.1
Berre, L.2
-
3
-
-
0027835001
-
Tropical cyclone prediction using a barotropic model initialized by a generalized inverse method
-
Bennett, A., L. Leslie, C. Hagelberg, and P. Powers, 1993: Tropical cyclone prediction using a barotropic model initialized by a generalized inverse method. Mon. Wea. Rev., 121, 1714-1729.
-
(1993)
Mon. Wea. Rev
, vol.121
, pp. 1714-1729
-
-
Bennett, A.1
Leslie, L.2
Hagelberg, C.3
Powers, P.4
-
4
-
-
33644871829
-
The representation of analysis effect in three error simulation techniques
-
Berre, L., S. Stefanescu, and M. Belo Pereira, 2006: The representation of analysis effect in three error simulation techniques. Tellus, 58A, 196-209.
-
(2006)
Tellus
, vol.58 A
, pp. 196-209
-
-
Berre, L.1
Stefanescu, S.2
Belo Pereira, M.3
-
5
-
-
48649095150
-
A variational assimilation ensemble and the spatial filtering of its error covariances: Increase of sample size by local spatial averaging
-
Reading, United Kingdom, ECMWF
-
Berre, L., O. Pannekoucke, G. Desroziers, S. E. Stefanescu, B. Chapnik, and L. Raynaud, 2007: A variational assimilation ensemble and the spatial filtering of its error covariances: Increase of sample size by local spatial averaging. Proc. ECMWF Workshop on Recent Developments in Data Assimilation for Atmosphere and Ocean, Reading, United Kingdom, ECMWF, 151-168.
-
(2007)
Proc. ECMWF Workshop on Recent Developments in Data Assimilation for Atmosphere and Ocean
, pp. 151-168
-
-
Berre, L.1
Pannekoucke, O.2
Desroziers, G.3
Stefanescu, S.E.4
Chapnik, B.5
Raynaud, L.6
-
6
-
-
0042320419
-
The spatial structure of observation errors in atmospheric motion vector from geostationary satellite data
-
Bormann, N., S. Saarinen, G. Kelly, and J.-N. Thépaut, 2003: The spatial structure of observation errors in atmospheric motion vector from geostationary satellite data. Mon. Wea. Rev., 131, 706-718.
-
(2003)
Mon. Wea. Rev
, vol.131
, pp. 706-718
-
-
Bormann, N.1
Saarinen, S.2
Kelly, G.3
Thépaut, J.-N.4
-
7
-
-
34250020657
-
Evaluation of new estimates of background- and observation-error covariances for variational assimilation
-
Buehner, M., P. Gauthier, and Z. Liu, 2005: Evaluation of new estimates of background- and observation-error covariances for variational assimilation. Quart. J. Roy. Meteor. Soc., 131, 3373-3383.
-
(2005)
Quart. J. Roy. Meteor. Soc
, vol.131
, pp. 3373-3383
-
-
Buehner, M.1
Gauthier, P.2
Liu, Z.3
-
8
-
-
10944246474
-
Influence matrix diagnostic of a data assimilation system
-
Cardinali, C., S. Pezzuli, and E. Andersson, 2004: Influence matrix diagnostic of a data assimilation system. Quart. J. Roy. Meteor. Soc., 130, 2767-2786.
-
(2004)
Quart. J. Roy. Meteor. Soc
, vol.130
, pp. 2767-2786
-
-
Cardinali, C.1
Pezzuli, S.2
Andersson, E.3
-
10
-
-
4844226689
-
Properties and first application of an error statistics tuning method in variational assimilation
-
Chapnik, B., G. Desroziers, F. Rabier, and O. Talagrand, 2004: Properties and first application of an error statistics tuning method in variational assimilation. Quart. J. Roy. Meteor. Soc., 130, 2253-2275.
-
(2004)
Quart. J. Roy. Meteor. Soc
, vol.130
, pp. 2253-2275
-
-
Chapnik, B.1
Desroziers, G.2
Rabier, F.3
Talagrand, O.4
-
11
-
-
33645500221
-
Diagnosis and tuning of observational error statistics in a quasi operational data assimilation setting
-
Chapnik, B., G. Desroziers, F. Rabier, and O. Talagrand, 2006: Diagnosis and tuning of observational error statistics in a quasi operational data assimilation setting. Quart. J. Roy. Meteor. Soc., 132, 543-565.
-
(2006)
Quart. J. Roy. Meteor. Soc
, vol.132
, pp. 543-565
-
-
Chapnik, B.1
Desroziers, G.2
Rabier, F.3
Talagrand, O.4
-
12
-
-
0028561614
-
A strategy for operational implementation of 4D-Var, using an incremental approach
-
Courtier, P., J.-N. Thépaut, and A. Hollingsworth, 1994: A strategy for operational implementation of 4D-Var, using an incremental approach. Quart. J. Roy. Meteor. Soc., 120, 1367-1387.
-
(1994)
Quart. J. Roy. Meteor. Soc
, vol.120
, pp. 1367-1387
-
-
Courtier, P.1
Thépaut, J.-N.2
Hollingsworth, A.3
-
13
-
-
53249098800
-
On the sensitivity equations of four-dimensional variational (4DVAR) data assimilation
-
Daescu, D., 2008: On the sensitivity equations of four-dimensional variational (4DVAR) data assimilation. Mon. Wea. Rev., 136, 3050-3065.
-
(2008)
Mon. Wea. Rev
, vol.136
, pp. 3050-3065
-
-
Daescu, D.1
-
14
-
-
0000991256
-
On-line estimation of error covariance parameters for atmospheric data assimilation
-
Dee, D. P., 1995: On-line estimation of error covariance parameters for atmospheric data assimilation. Mon. Wea. Rev., 123, 1128-1145.
-
(1995)
Mon. Wea. Rev
, vol.123
, pp. 1128-1145
-
-
Dee, D.P.1
-
15
-
-
0032750664
-
Maximum-likelihood estimation of forecast and observation error covariance parameters. Part I: Methodology
-
Dee, D. P., and A. da Silva, 1999: Maximum-likelihood estimation of forecast and observation error covariance parameters. Part I: Methodology. Mon. Wea. Rev., 127, 1822-1834.
-
(1999)
Mon. Wea. Rev
, vol.127
, pp. 1822-1834
-
-
Dee, D.P.1
da Silva, A.2
-
16
-
-
0032791112
-
A reformulation of the background error covariances in the ECMWF global data assimilation system
-
Derber, J. C., and F. Bouttier, 1999: A reformulation of the background error covariances in the ECMWF global data assimilation system. Tellus, 51A, 195-221.
-
(1999)
Tellus
, vol.51 A
, pp. 195-221
-
-
Derber, J.C.1
Bouttier, F.2
-
17
-
-
0035302097
-
Diagnosis and adaptive tuning of observation-error parameters in a variational assimilation
-
Desroziers, G., and S. Ivanov, 2001: Diagnosis and adaptive tuning of observation-error parameters in a variational assimilation. Quart. J. Roy. Meteor. Soc., 127, 1433-1452.
-
(2001)
Quart. J. Roy. Meteor. Soc
, vol.127
, pp. 1433-1452
-
-
Desroziers, G.1
Ivanov, S.2
-
18
-
-
69749084907
-
Diagnosis of observation, background and analysis-error statistics in observation space
-
Desroziers, G., L. Berre, B. Chapnik, and P. Poli, 2005a: Diagnosis of observation, background and analysis-error statistics in observation space. Quart. J. Roy. Meteor. Soc., 131, 3385-3396.
-
(2005)
Quart. J. Roy. Meteor. Soc
, vol.131
, pp. 3385-3396
-
-
Desroziers, G.1
Berre, L.2
Chapnik, B.3
Poli, P.4
-
19
-
-
28144446419
-
Use of randomization to diagnose the impact of observations on analyses and forecasts
-
Desroziers, G., P. Brousseau, and B. Chapnik, 2005b: Use of randomization to diagnose the impact of observations on analyses and forecasts. Quart. J. Roy. Meteor. Soc., 131, 2821-2837.
-
(2005)
Quart. J. Roy. Meteor. Soc
, vol.131
, pp. 2821-2837
-
-
Desroziers, G.1
Brousseau, P.2
Chapnik, B.3
-
20
-
-
0028193070
-
Sequential data assimilation with a nonlinear quasi-geostrophic model using Monte Carlo methods to forecast error statistics
-
Evensen, G., 1994: Sequential data assimilation with a nonlinear quasi-geostrophic model using Monte Carlo methods to forecast error statistics. J. Geophys. Res., 99 (C5), 3104-3127.
-
(1994)
J. Geophys. Res
, vol.99
, Issue.C5
, pp. 3104-3127
-
-
Evensen, G.1
-
21
-
-
2442612436
-
Background error covariance modelling
-
Reading, United Kingdom, ECMWF
-
Fisher, M., 2003a: Background error covariance modelling. Proc. ECMWF Workshop on Recent Developments in Data Assimilation for Atmosphere and Ocean, Reading, United Kingdom, ECMWF, 97-123.
-
(2003)
Proc. ECMWF Workshop on Recent Developments in Data Assimilation for Atmosphere and Ocean
, pp. 97-123
-
-
Fisher, M.1
-
22
-
-
2442550220
-
Estimation of entropy reduction and degrees of freedom for signal for large variational analysis systems
-
Tech. Rep. 397, ECMWF, 20 pp
-
Fisher, M., 2003b: Estimation of entropy reduction and degrees of freedom for signal for large variational analysis systems. Tech. Rep. 397, ECMWF, 20 pp.
-
(2003)
-
-
Fisher, M.1
-
23
-
-
70449107584
-
-
Developments in 4D-Var and Kalman filtering. Tech. Rep. 347, ECMWF, 38 pp
-
Fisher, M., and E. Andersson, 2001: Developments in 4D-Var and Kalman filtering. Tech. Rep. 347, ECMWF, 38 pp.
-
(2001)
-
-
Fisher, M.1
Andersson, E.2
-
24
-
-
0004776854
-
A fast Monte Carlo cross-validation procedure for large least squares problems with noisy data
-
Tech. Rep. 687-M, IMAG, Grenoble, France, 22 pp
-
Girard, D., 1987: A fast Monte Carlo cross-validation procedure for large least squares problems with noisy data. Tech. Rep. 687-M, IMAG, Grenoble, France, 22 pp.
-
(1987)
-
-
Girard, D.1
-
25
-
-
0022842583
-
The statistical structure of short-range forecast errors as determined from radiosonde data. Part I: The wind field
-
Hollingsworth, A., and P. Lönnberg, 1986: The statistical structure of short-range forecast errors as determined from radiosonde data. Part I: The wind field. Tellus, 38A, 111-136.
-
(1986)
Tellus
, vol.38 A
, pp. 111-136
-
-
Hollingsworth, A.1
Lönnberg, P.2
-
26
-
-
0001209566
-
A system simulation approach to ensemble prediction
-
Houtekamer, P., L. Lefaivre, J. Derome, H. Ritchie, and H. Mitchell, 1996: A system simulation approach to ensemble prediction. Mon. Wea. Rev., 124, 1225-1242.
-
(1996)
Mon. Wea. Rev
, vol.124
, pp. 1225-1242
-
-
Houtekamer, P.1
Lefaivre, L.2
Derome, J.3
Ritchie, H.4
Mitchell, H.5
-
27
-
-
0000462797
-
A stochastic estimator for the trace of the influence matrix for Laplacian smoothing splines
-
Hutchinson, M., 1989: A stochastic estimator for the trace of the influence matrix for Laplacian smoothing splines. Commun. Stat. Simul., 18, 1059-1076.
-
(1989)
Commun. Stat. Simul
, vol.18
, pp. 1059-1076
-
-
Hutchinson, M.1
-
28
-
-
58049217667
-
Use of analysis ensembles in estimating flow-dependent background error variance
-
Reading, United Kingdom, ECMWF
-
Isaksen, L., M. Fisher, and J. Berner, 2007: Use of analysis ensembles in estimating flow-dependent background error variance. Proc. ECMWF Workshop on Flow-Dependent Aspects of Data Assimilation, Reading, United Kingdom, ECMWF, 65-86.
-
(2007)
Proc. ECMWF Workshop on Flow-Dependent Aspects of Data Assimilation
, pp. 65-86
-
-
Isaksen, L.1
Fisher, M.2
Berner, J.3
-
29
-
-
2042467553
-
Estimation of observation impact using the NRL atmospheric variational data assimilation adjoint system
-
Langland, R., and N. Baker, 2004: Estimation of observation impact using the NRL atmospheric variational data assimilation adjoint system. Tellus, 56A, 189-201.
-
(2004)
Tellus
, vol.56 A
, pp. 189-201
-
-
Langland, R.1
Baker, N.2
-
30
-
-
84977708932
-
The use of adjoint equations to solve a variational adjustment problem with advective constraints
-
Lewis, J. M., and J. C. Derber, 1985: The use of adjoint equations to solve a variational adjustment problem with advective constraints. Tellus, 37A, 309-322.
-
(1985)
Tellus
, vol.37 A
, pp. 309-322
-
-
Lewis, J.M.1
Derber, J.C.2
-
31
-
-
4844224846
-
Assimilation of Meteosat radiance data within the 4D-Var system at ECMWF: Data quality monitoring, bias correction and single-cycle experiments
-
Munro, R., C. Köpken, G. Kelly, J.-N. Thépaut, and R. Saunders, 2004: Assimilation of Meteosat radiance data within the 4D-Var system at ECMWF: Data quality monitoring, bias correction and single-cycle experiments. Quart. J. Roy. Meteor. Soc., 130, 2293-2313.
-
(2004)
Quart. J. Roy. Meteor. Soc
, vol.130
, pp. 2293-2313
-
-
Munro, R.1
Köpken, C.2
Kelly, G.3
Thépaut, J.-N.4
Saunders, R.5
-
32
-
-
34247246183
-
Filtering properties of wavelets for the local background error correlations
-
Pannekoucke, O., L. Berre, and G. Desroziers, 2007: Filtering properties of wavelets for the local background error correlations. Quart. J. Roy. Meteor. Soc., 133, 363-379.
-
(2007)
Quart. J. Roy. Meteor. Soc
, vol.133
, pp. 363-379
-
-
Pannekoucke, O.1
Berre, L.2
Desroziers, G.3
-
33
-
-
0342804504
-
The ECMWF operational implementation of four-dimensional variational assimilation. I: Experimental results with simplified physics
-
Rabier, F., H. Järvinen, E. Klinker, J.-F. Mahfouf, and A. Simmons, 2000: The ECMWF operational implementation of four-dimensional variational assimilation. I: Experimental results with simplified physics. Quart. J. Roy. Meteor. Soc., 126, 1143-1170.
-
(2000)
Quart. J. Roy. Meteor. Soc
, vol.126
, pp. 1143-1170
-
-
Rabier, F.1
Järvinen, H.2
Klinker, E.3
Mahfouf, J.-F.4
Simmons, A.5
-
34
-
-
0036540999
-
Channel selection method for infrared atmospheric sounding interferometer radiances
-
Rabier, F., N. Fourri, D. Chafa, and P. Prunet, 2002: Channel selection method for infrared atmospheric sounding interferometer radiances. Quart. J. Roy. Meteor. Soc., 128, 1011-1032.
-
(2002)
Quart. J. Roy. Meteor. Soc
, vol.128
, pp. 1011-1032
-
-
Rabier, F.1
Fourri, N.2
Chafa, D.3
Prunet, P.4
-
35
-
-
48649095711
-
Spatial averaging of ensemble-based background-error variances
-
Raynaud, L., L. Berre, and G. Desroziers, 2008: Spatial averaging of ensemble-based background-error variances. Quart. J. Roy. Meteor. Soc., 134, 1003-1014.
-
(2008)
Quart. J. Roy. Meteor. Soc
, vol.134
, pp. 1003-1014
-
-
Raynaud, L.1
Berre, L.2
Desroziers, G.3
-
37
-
-
0000097719
-
Assimilation of observations, an introduction
-
Talagrand, O., 1997: Assimilation of observations, an introduction. J. Meteor. Soc. Japan, 75, 191-209.
-
(1997)
J. Meteor. Soc. Japan
, vol.75
, pp. 191-209
-
-
Talagrand, O.1
-
38
-
-
0002435388
-
A posteriori verification of analysis and assimilation algorithms
-
Reading, United Kingdom, ECMWF
-
Talagrand, O., 1999: A posteriori verification of analysis and assimilation algorithms. Proc. ECMWF Workshop on Diagnosis of Data Assimilation Systems, Reading, United Kingdom, ECMWF, 17-28.
-
(1999)
Proc. ECMWF Workshop on Diagnosis of Data Assimilation Systems
, pp. 17-28
-
-
Talagrand, O.1
-
39
-
-
0023128058
-
Variational assimilation of meteorological observations with the adjoint vorticity equation. I: Theory
-
Talagrand, O., and P. Courtier, 1987: Variational assimilation of meteorological observations with the adjoint vorticity equation. I: Theory. Quart. J. Roy. Meteor. Soc., 113, 1311-1328.
-
(1987)
Quart. J. Roy. Meteor. Soc
, vol.113
, pp. 1311-1328
-
-
Talagrand, O.1
Courtier, P.2
-
40
-
-
52949123309
-
Computation of observation sensitivity and observation impact in incremental variational data assimilation
-
Trémolet, Y., 2008: Computation of observation sensitivity and observation impact in incremental variational data assimilation. Tellus, 60A, 964-978.
-
(2008)
Tellus
, vol.60 A
, pp. 964-978
-
-
Trémolet, Y.1
-
41
-
-
0001759261
-
Adaptative tuning of numerical weather prediction models: Randomized GCV in three- and four-dimensional data assimilation
-
Wahba, G., D. Johnson, F. Gao, and J. Gong, 1995: Adaptative tuning of numerical weather prediction models: Randomized GCV in three- and four-dimensional data assimilation. Mon. Wea. Rev., 123, 3358-3369.
-
(1995)
Mon. Wea. Rev
, vol.123
, pp. 3358-3369
-
-
Wahba, G.1
Johnson, D.2
Gao, F.3
Gong, J.4
-
42
-
-
27644461361
-
Balanced tropical data assimilation based on a study of equatorial waves in ECMWF short-range forecast errors
-
Zagar, N., E. Andersson, and M. Fisher, 2005: Balanced tropical data assimilation based on a study of equatorial waves in ECMWF short-range forecast errors. Quart. J. Roy. Meteor. Soc., 131, 987-1011.
-
(2005)
Quart. J. Roy. Meteor. Soc
, vol.131
, pp. 987-1011
-
-
Zagar, N.1
Andersson, E.2
Fisher, M.3
-
43
-
-
39549118477
-
Observation sensitivity calculations using the adjoint of the gridpoint statistical interpolation (GSI) analysis system
-
Zhu, Y., and R. Gelaro, 2008: Observation sensitivity calculations using the adjoint of the gridpoint statistical interpolation (GSI) analysis system. Mon. Wea. Rev., 136, 335-351.
-
(2008)
Mon. Wea. Rev
, vol.136
, pp. 335-351
-
-
Zhu, Y.1
Gelaro, R.2
|