메뉴 건너뛰기




Volumn 21, Issue 1, 2016, Pages

Ensemble combination of seasonal streamflow forecasts

Author keywords

[No Author keywords available]

Indexed keywords

BAYESIAN NETWORKS; CONSTRAINED OPTIMIZATION; MAXIMUM PRINCIPLE; RIVERS; STREAM FLOW; WATERSHEDS;

EID: 84951320469     PISSN: 10840699     EISSN: None     Source Type: Journal    
DOI: 10.1061/(ASCE)HE.1943-5584.0001250     Document Type: Article
Times cited : (70)

References (53)
  • 1
    • 33748942107 scopus 로고    scopus 로고
    • "Multimodel combination techniques for analysis of hydrological simulations: Application to distributed model intercomparison project results"
    • Ajami, N. K., Duan, Q., Gao, X., and Sorooshian, S. (2006). "Multimodel combination techniques for analysis of hydrological simulations: Application to distributed model intercomparison project results". J. Hydrometeorol., 7(4), 755-768.
    • (2006) J. Hydrometeorol , vol.7 , Issue.4 , pp. 755-768
    • Ajami, N.K.1    Duan, Q.2    Gao, X.3    Sorooshian, S.4
  • 2
    • 0014629731 scopus 로고
    • "The combination of forecasts"
    • Bates, J. M., and Granger, C. W. J. (1969). "The combination of forecasts". OR, 20(4), 451-468.
    • (1969) OR , vol.20 , Issue.4 , pp. 451-468
    • Bates, J.M.1    Granger, C.W.J.2
  • 3
    • 77953022252 scopus 로고    scopus 로고
    • "Hydrologic impacts of climate change on the Nile River basin: Implications of the 2007 IPCC scenarios"
    • Beyene, T., Lettenmaier, D. P., and Kabat, P. (2010). "Hydrologic impacts of climate change on the Nile River basin: Implications of the 2007 IPCC scenarios". Clim. Change, 100(3-4), 433-461.
    • (2010) Clim. Change , vol.100 , Issue.3-4 , pp. 433-461
    • Beyene, T.1    Lettenmaier, D.P.2    Kabat, P.3
  • 4
    • 78651464526 scopus 로고    scopus 로고
    • "Seasonal hydrologic forecasting: Do multimodel ensemble averages always yield improvements in forecast skill?"
    • Bohn, T. J., Sonessa, M. Y., and Lettenmaier, D. P. (2010). "Seasonal hydrologic forecasting: Do multimodel ensemble averages always yield improvements in forecast skill?" J. Hydrometeorol., 11(6), 1358-1372.
    • (2010) J. Hydrometeorol , vol.11 , Issue.6 , pp. 1358-1372
    • Bohn, T.J.1    Sonessa, M.Y.2    Lettenmaier, D.P.3
  • 6
    • 78650408190 scopus 로고    scopus 로고
    • "Bayesian multi-model projections of climate: Generalization and application to ENSEMBLES results"
    • Buser, C., Künsch, H., and Schär, C. (2010). "Bayesian multi-model projections of climate: Generalization and application to ENSEMBLES results". Clim. Res., 44(2-3), 227-241.
    • (2010) Clim. Res , vol.44 , Issue.2-3 , pp. 227-241
    • Buser, C.1    Künsch, H.2    Schär, C.3
  • 7
    • 4143079295 scopus 로고    scopus 로고
    • "An evaluation of the impact of model structure on hydrological modelling uncertainty for streamflow simulation"
    • Butts, M. B., Payne, J. T., Kristensen, M., and Madsen, H. (2004). "An evaluation of the impact of model structure on hydrological modelling uncertainty for streamflow simulation". J. Hydrol., 298(1), 242-266.
    • (2004) J. Hydrol , vol.298 , Issue.1 , pp. 242-266
    • Butts, M.B.1    Payne, J.T.2    Kristensen, M.3    Madsen, H.4
  • 9
    • 0022266169 scopus 로고
    • "Extended streamflow forecasting using NWSRFS"
    • Day, G. N. (1985). "Extended streamflow forecasting using NWSRFS". J. Water Resour. Plann. Manage., 10.1061/(ASCE)0733-9496(1985)111:2(157), 157-170.
    • (1985) J. Water Resour. Plann. Manage , pp. 157-170
    • Day, G.N.1
  • 10
    • 79451473599 scopus 로고    scopus 로고
    • "Radiance data assimilation for operational snow and streamflow forecasting"
    • Dechant, C., and Moradkhani, H. (2011). "Radiance data assimilation for operational snow and streamflow forecasting". Adv. Water Resour., 34(3), 351-364.
    • (2011) Adv. Water Resour , vol.34 , Issue.3 , pp. 351-364
    • Dechant, C.1    Moradkhani, H.2
  • 12
    • 84918841653 scopus 로고    scopus 로고
    • "Toward a reliable prediction of seasonal forecast uncertainty: Addressing model and initial condition uncertainty with ensemble data assimilation and sequential Bayesian combination"
    • DeChant, C. M., and Moradkhani, H. (2014). "Toward a reliable prediction of seasonal forecast uncertainty: Addressing model and initial condition uncertainty with ensemble data assimilation and sequential Bayesian combination". J. Hydrol., 519, 2967-2977.
    • (2014) J. Hydrol , vol.519 , pp. 2967-2977
    • DeChant, C.M.1    Moradkhani, H.2
  • 13
    • 0015634118 scopus 로고
    • "Some statistical results in the combination of forecasts"
    • Dickinson, J. (1973). "Some statistical results in the combination of forecasts". J. Oper. Res. Soc., 24(2), 253-260.
    • (1973) J. Oper. Res. Soc , vol.24 , Issue.2 , pp. 253-260
    • Dickinson, J.1
  • 14
    • 0016497303 scopus 로고
    • "Some comments on the combination of forecasts"
    • Dickinson, J. (1975). "Some comments on the combination of forecasts". Oper. Res. Q., 26(1), 205-210.
    • (1975) Oper. Res. Q , vol.26 , Issue.1 , pp. 205-210
    • Dickinson, J.1
  • 15
    • 77954425477 scopus 로고    scopus 로고
    • "Comparison of point forecast accuracy of model averaging methods in hydrologic applications"
    • Diks, C. G., and Vrugt, J. A. (2010). "Comparison of point forecast accuracy of model averaging methods in hydrologic applications". Stochastic Environ. Res. Risk Assess., 24(6), 809-820.
    • (2010) Stochastic Environ. Res. Risk Assess , vol.24 , Issue.6 , pp. 809-820
    • Diks, C.G.1    Vrugt, J.A.2
  • 16
    • 33847274843 scopus 로고    scopus 로고
    • "Multi-model ensemble hydrologic prediction using Bayesian model averaging"
    • Duan, Q., Ajami, N. K., Gao, X., and Sorooshian, S. (2007). "Multi-model ensemble hydrologic prediction using Bayesian model averaging". Adv. Water Resour., 30(5), 1371-1386.
    • (2007) Adv. Water Resour , vol.30 , Issue.5 , pp. 1371-1386
    • Duan, Q.1    Ajami, N.K.2    Gao, X.3    Sorooshian, S.4
  • 17
    • 4143139874 scopus 로고    scopus 로고
    • "Towards the characterization of streamflow simulation uncertainty through multimodel ensembles"
    • Georgakakos, K. P., Seo, D.-J., Gupta, H., Schaake, J., and Butts, M. B. (2004). "Towards the characterization of streamflow simulation uncertainty through multimodel ensembles". J. Hydrol., 298(1), 222-241.
    • (2004) J. Hydrol , vol.298 , Issue.1 , pp. 222-241
    • Georgakakos, K.P.1    Seo, D.-J.2    Gupta, H.3    Schaake, J.4    Butts, M.B.5
  • 18
    • 70349272865 scopus 로고    scopus 로고
    • "Decomposition of the mean squared error and NSE performance criteria: Implications for improving hydrological modelling"
    • Gupta, H. V., Kling, H., Yilmaz, K. K., and Martinez, G. F. (2009). "Decomposition of the mean squared error and NSE performance criteria: Implications for improving hydrological modelling". J. Hydrol., 377(1), 80-91.
    • (2009) J. Hydrol , vol.377 , Issue.1 , pp. 80-91
    • Gupta, H.V.1    Kling, H.2    Yilmaz, K.K.3    Martinez, G.F.4
  • 19
    • 18544371178 scopus 로고    scopus 로고
    • "The rationale behind the success of multi-model ensembles in seasonal forecasting-I. Basic concept"
    • Hagedorn, R., Doblas-Reyes, F. J., and Palmer, T. (2005). "The rationale behind the success of multi-model ensembles in seasonal forecasting-I. Basic concept". Tellus A, 57(3), 219-233.
    • (2005) Tellus A , vol.57 , Issue.3 , pp. 219-233
    • Hagedorn, R.1    Doblas-Reyes, F.J.2    Palmer, T.3
  • 20
    • 84881026147 scopus 로고    scopus 로고
    • "Analysis of precipitation extremes with the assessment of regional climate models over the Willamette River basin, USA"
    • Halmstad, A., Najafi, M. R., and Moradkhani, H. (2013). "Analysis of precipitation extremes with the assessment of regional climate models over the Willamette River basin, USA". Hydrol. Process., 27(18), 2579-2590.
    • (2013) Hydrol. Process , vol.27 , Issue.18 , pp. 2579-2590
    • Halmstad, A.1    Najafi, M.R.2    Moradkhani, H.3
  • 21
    • 29144499022 scopus 로고    scopus 로고
    • "Effects of temperature and precipitation variability on snowpack trends in the western United States"
    • Hamlet, A. F., Mote, P. W., Clark, M. P., and Lettenmaier, D. P. (2005). "Effects of temperature and precipitation variability on snowpack trends in the western United States". J. Clim., 18(21), 4545-4561.
    • (2005) J. Clim , vol.18 , Issue.21 , pp. 4545-4561
    • Hamlet, A.F.1    Mote, P.W.2    Clark, M.P.3    Lettenmaier, D.P.4
  • 22
    • 70349119250 scopus 로고
    • "Regression and time series model selection in small samples"
    • Hurvich, C. M., and Tsai, C.-L. (1989). "Regression and time series model selection in small samples". Biometrika, 76(2), 297-307.
    • (1989) Biometrika , vol.76 , Issue.2 , pp. 297-307
    • Hurvich, C.M.1    Tsai, C.-L.2
  • 23
    • 37349009294 scopus 로고    scopus 로고
    • "A comparison of bootstrap methods and an adjusted bootstrap approach for estimating the prediction error in microarray classification"
    • Jiang, W., and Simon, R. (2007). "A comparison of bootstrap methods and an adjusted bootstrap approach for estimating the prediction error in microarray classification". Stat. Med., 26(29), 5320-5334.
    • (2007) Stat. Med , vol.26 , Issue.29 , pp. 5320-5334
    • Jiang, W.1    Simon, R.2
  • 24
    • 66149166054 scopus 로고    scopus 로고
    • "The role of initial conditions and forcing uncertainties in seasonal hydrologic forecasting"
    • Li, H., Luo, L., Wood, E. F., and Schaake, J. (2009). "The role of initial conditions and forcing uncertainties in seasonal hydrologic forecasting". J. Geophys. Res. Atmos., 114(D4), 1984-2012.
    • (2009) J. Geophys. Res. Atmos , vol.114 , Issue.D4 , pp. 1984-2012
    • Li, H.1    Luo, L.2    Wood, E.F.3    Schaake, J.4
  • 26
    • 85027932033 scopus 로고    scopus 로고
    • "Improved Bayesian multimodeling: Integration of copulas and Bayesian model averaging"
    • Madadgar, S., and Moradkhani, H. (2014). "Improved Bayesian multimodeling: Integration of copulas and Bayesian model averaging". Water Resour. Res., 50(12), 9586-9603.
    • (2014) Water Resour. Res , vol.50 , Issue.12 , pp. 9586-9603
    • Madadgar, S.1    Moradkhani, H.2
  • 27
    • 84952082933 scopus 로고
    • "More comments on CP"
    • Mallows, C. L. (1995). "More comments on CP". Technometrics, 37(4), 362-372.
    • (1995) Technometrics , vol.37 , Issue.4 , pp. 362-372
    • Mallows, C.L.1
  • 28
    • 77956807997 scopus 로고    scopus 로고
    • "Long-lead water supply forecast using large-scale climate predictors and independent component analysis"
    • Moradkhani, H., and Meier, M. (2010). "Long-lead water supply forecast using large-scale climate predictors and independent component analysis". J. Hydrol. Eng., 10.1061/(ASCE)HE.1943-5584.0000246, 744-762.
    • (2010) J. Hydrol. Eng , pp. 744-762
    • Moradkhani, H.1    Meier, M.2
  • 29
    • 77956879312 scopus 로고    scopus 로고
    • "Future climate in the Pacific Northwest"
    • Mote, P. W., and Salathe, E. P., Jr. (2010). "Future climate in the Pacific Northwest". Clim. Change, 102(1-2), 29-50.
    • (2010) Clim. Change , vol.102 , Issue.1-2 , pp. 29-50
    • Mote, P.W.1    Salathe, E.P.2
  • 30
    • 80051577111 scopus 로고    scopus 로고
    • "Assessing the uncertainties of hydrologic model selection in climate change impact studies"
    • Najafi, M., Moradkhani, H., and Jung, I. (2011). "Assessing the uncertainties of hydrologic model selection in climate change impact studies". Hydrol. Processes, 25(18), 2814-2826.
    • (2011) Hydrol. Processes , vol.25 , Issue.18 , pp. 2814-2826
    • Najafi, M.1    Moradkhani, H.2    Jung, I.3
  • 31
    • 84861207428 scopus 로고    scopus 로고
    • "Air demand in gated tunnels-A Bayesian approach to merge various predictions"
    • Najafi, M. R., Kavianpour, Z., Najafi, B., Kavianpour, M. R., and Moradkhani, H. (2011). "Air demand in gated tunnels-A Bayesian approach to merge various predictions". J. Hydroinf., 14(1), 152-166.
    • (2011) J. Hydroinf , vol.14 , Issue.1 , pp. 152-166
    • Najafi, M.R.1    Kavianpour, Z.2    Najafi, B.3    Kavianpour, M.R.4    Moradkhani, H.5
  • 32
    • 84885533219 scopus 로고    scopus 로고
    • "Analysis of runoffextremes using spatial hierarchical Bayesian modeling"
    • Najafi, M. R., and Moradkhani, H. (2013). "Analysis of runoffextremes using spatial hierarchical Bayesian modeling". Water Resour. Res., 49(10), 6656-6670.
    • (2013) Water Resour. Res , vol.49 , Issue.10 , pp. 6656-6670
    • Najafi, M.R.1    Moradkhani, H.2
  • 33
    • 84916908812 scopus 로고    scopus 로고
    • "A hierarchical Bayesian approach for the analysis of climate change impact on runoffextremes"
    • Najafi, M. R., and Moradkhani, H. (2014). "A hierarchical Bayesian approach for the analysis of climate change impact on runoffextremes". Hydrol. Processes, 28(26), 6292-6308.
    • (2014) Hydrol. Processes , vol.28 , Issue.26 , pp. 6292-6308
    • Najafi, M.R.1    Moradkhani, H.2
  • 34
    • 84927640926 scopus 로고    scopus 로고
    • "Multi-model ensemble analysis of runoffextremes for climate change impact assessments"
    • Najafi, M. R., and Moradkhani, H. (2015). "Multi-model ensemble analysis of runoffextremes for climate change impact assessments". J. Hydrol., 525, 352-361.
    • (2015) J. Hydrol , vol.525 , pp. 352-361
    • Najafi, M.R.1    Moradkhani, H.2
  • 35
    • 84861210595 scopus 로고    scopus 로고
    • "Ensemble streamflow prediction: Climate signal weighting methods vs. climate forecast system reanalysis"
    • Najafi, M. R., Moradkhani, H., and Piechota, T. C. (2012). "Ensemble streamflow prediction: Climate signal weighting methods vs. climate forecast system reanalysis". J. Hydrol., 442, 105-116.
    • (2012) J. Hydrol , vol.442 , pp. 105-116
    • Najafi, M.R.1    Moradkhani, H.2    Piechota, T.C.3
  • 36
    • 79961099571 scopus 로고    scopus 로고
    • "Statistical downscaling of precipitation using machine learning with optimal predictor selection"
    • Najafi, M. R., Moradkhani, H., and Wherry, S. A. (2010). "Statistical downscaling of precipitation using machine learning with optimal predictor selection". J. Hydrol. Eng., 10.1061/(ASCE)HE.1943-5584.0000355, 650-664.
    • (2010) J. Hydrol. Eng , pp. 650-664
    • Najafi, M.R.1    Moradkhani, H.2    Wherry, S.A.3
  • 37
    • 84923858133 scopus 로고    scopus 로고
    • "Attribution of Arctic temperature change to greenhouse-gas and aerosol influences"
    • Najafi, M. R., Zwiers, F. P., and Gillett, N. P. (2015). "Attribution of Arctic temperature change to greenhouse-gas and aerosol influences". Nat. Clim. Change, 5, 246-249.
    • (2015) Nat. Clim. Change , vol.5 , pp. 246-249
    • Najafi, M.R.1    Zwiers, F.P.2    Gillett, N.P.3
  • 38
    • 0000209313 scopus 로고
    • "Experience with forecasting univariate time series and the combination of forecasts"
    • Newbold, P., and Granger, C. W. (1974). "Experience with forecasting univariate time series and the combination of forecasts". J. R. Stat. Soc. Ser. A (General), 137(2), 131-165.
    • (1974) J. R. Stat. Soc. Ser. A (General) , vol.137 , Issue.2 , pp. 131-165
    • Newbold, P.1    Granger, C.W.2
  • 39
    • 84858823339 scopus 로고    scopus 로고
    • "Toward reduction of model uncertainty: Integration of Bayesian model averaging and data assimilation"
    • Parrish, M. A., Moradkhani, H., and DeChant, C. M. (2012). "Toward reduction of model uncertainty: Integration of Bayesian model averaging and data assimilation". Water Resour. Res., 48(3), W03519.
    • (2012) Water Resour. Res , vol.48 , Issue.3
    • Parrish, M.A.1    Moradkhani, H.2    DeChant, C.M.3
  • 40
    • 0001201909 scopus 로고
    • "Bayesian model selection in social research"
    • Raftery, A. E. (1995). "Bayesian model selection in social research". Sociological Method., 25, 111-164.
    • (1995) Sociological Method , vol.25 , pp. 111-164
    • Raftery, A.E.1
  • 41
    • 20444497873 scopus 로고    scopus 로고
    • "Using Bayesian model averaging to calibrate forecast ensembles"
    • Raftery, A. E., Gneiting, T., Balabdaoui, F., and Polakowski, M. (2005). "Using Bayesian model averaging to calibrate forecast ensembles". Mon. Weather Rev., 133(5), 1155-1174.
    • (2005) Mon. Weather Rev , vol.133 , Issue.5 , pp. 1155-1174
    • Raftery, A.E.1    Gneiting, T.2    Balabdaoui, F.3    Polakowski, M.4
  • 42
    • 0031506560 scopus 로고    scopus 로고
    • "Bayesian model averaging for linear regression models"
    • Raftery, A. E., Madigan, D., and Hoeting, J. A. (1997). "Bayesian model averaging for linear regression models". J. Am. Stat. Assoc., 92(437), 179-191.
    • (1997) J. Am. Stat. Assoc , vol.92 , Issue.437 , pp. 179-191
    • Raftery, A.E.1    Madigan, D.2    Hoeting, J.A.3
  • 43
    • 0000411467 scopus 로고
    • "Combining three estimates of gross domestic product"
    • Reid, D. J. (1968). "Combining three estimates of gross domestic product". Economica, 35(140), 431-444.
    • (1968) Economica , vol.35 , Issue.140 , pp. 431-444
    • Reid, D.J.1
  • 44
    • 0031259688 scopus 로고    scopus 로고
    • "Methods for combining the outputs of different rainfall-runoffmodels"
    • Shamseldin, A. Y., O'Connor, K. M., and Liang, G. (1997). "Methods for combining the outputs of different rainfall-runoffmodels". J. Hydrol., 197(1-4), 203-229.
    • (1997) J. Hydrol , vol.197 , Issue.1-4 , pp. 203-229
    • Shamseldin, A.Y.1    O'Connor, K.M.2    Liang, G.3
  • 45
    • 34547177691 scopus 로고    scopus 로고
    • "The use of the multi-model ensemble in probabilistic climate projections"
    • Tebaldi, C., and Knutti, R. (2007). "The use of the multi-model ensemble in probabilistic climate projections". Philos. Trans. R. Soc. London, Ser. A, 365(1857), 2053-2075.
    • (2007) Philos. Trans. R. Soc. London, Ser. A , vol.365 , Issue.1857 , pp. 2053-2075
    • Tebaldi, C.1    Knutti, R.2
  • 47
    • 79952767316 scopus 로고    scopus 로고
    • "Climate change impacts on the hydrology of a snowmelt driven basin in semiarid Chile"
    • Vicuña, S., Garreaud, R. D., and McPhee, J. (2011). "Climate change impacts on the hydrology of a snowmelt driven basin in semiarid Chile". Clim. Change, 105(3-4), 469-488.
    • (2011) Clim. Change , vol.105 , Issue.3-4 , pp. 469-488
    • Vicuña, S.1    Garreaud, R.D.2    McPhee, J.3
  • 48
    • 63649143437 scopus 로고    scopus 로고
    • "Assessing the impact of land use change on hydrology by ensemble modelling (LUCHEM) II: Ensemble combinations and predictions"
    • Viney, N. R., et al. (2009). "Assessing the impact of land use change on hydrology by ensemble modelling (LUCHEM) II: Ensemble combinations and predictions". Adv. Water Resour., 32(2), 147-158.
    • (2009) Adv. Water Resour , vol.32 , Issue.2 , pp. 147-158
    • Viney, N.R.1
  • 49
    • 65349141143 scopus 로고    scopus 로고
    • "Accelerating Markov chain Monte Carlo simulation by differential evolution with self-adaptive randomized subspace sampling"
    • Vrugt, J. A., Ter Braak, C., Diks, C., Robinson, B. A., Hyman, J. M., and Higdon, D. (2009). "Accelerating Markov chain Monte Carlo simulation by differential evolution with self-adaptive randomized subspace sampling". Int. J. Nonlinear Sci. Numer. Simul., 10(3), 273-290.
    • (2009) Int. J. Nonlinear Sci. Numer. Simul , vol.10 , Issue.3 , pp. 273-290
    • Vrugt, J.A.1    Ter Braak, C.2    Diks, C.3    Robinson, B.A.4    Hyman, J.M.5    Higdon, D.6
  • 50
    • 41949124639 scopus 로고    scopus 로고
    • "Can multi-model combination really enhance the prediction skill of probabilistic ensemble forecasts?"
    • Weigel, A., Liniger, M., and Appenzeller, C. (2008). "Can multi-model combination really enhance the prediction skill of probabilistic ensemble forecasts?" Q. J. R. Meteorolog. Soc., 134(630), 241-260.
    • (2008) Q. J. R. Meteorolog. Soc , vol.134 , Issue.630 , pp. 241-260
    • Weigel, A.1    Liniger, M.2    Appenzeller, C.3
  • 51
    • 33846531715 scopus 로고    scopus 로고
    • "A test bed for new seasonal hydrologic forecasting approaches in the western United States"
    • Wood, A. W., and Lettenmaier, D. P. (2006). "A test bed for new seasonal hydrologic forecasting approaches in the western United States". Bull. Am. Meteorolog. Soc., 87(12), 1699-1712.
    • (2006) Bull. Am. Meteorolog. Soc , vol.87 , Issue.12 , pp. 1699-1712
    • Wood, A.W.1    Lettenmaier, D.P.2
  • 52
    • 40349089754 scopus 로고    scopus 로고
    • "Correcting errors in streamflow forecast ensemble mean and spread"
    • Wood, A. W., and Schaake, J. C. (2008). "Correcting errors in streamflow forecast ensemble mean and spread". J. Hydrometeorol., 9(1), 132-148.
    • (2008) J. Hydrometeorol , vol.9 , Issue.1 , pp. 132-148
    • Wood, A.W.1    Schaake, J.C.2
  • 53
    • 0035340544 scopus 로고    scopus 로고
    • "A non-linear combination of the forecasts of rainfall-runoffmodels by the first-order Takagi-Sugeno fuzzy system"
    • Xiong, L., Shamseldin, A. Y., and O'connor, K. M. (2001). "A non-linear combination of the forecasts of rainfall-runoffmodels by the first-order Takagi-Sugeno fuzzy system". J. Hydrol., 245(1), 196-217.
    • (2001) J. Hydrol , vol.245 , Issue.1 , pp. 196-217
    • Xiong, L.1    Shamseldin, A.Y.2    O'connor, K.M.3


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.