Articles | Volume 25, issue 11
https://doi.org/10.5194/hess-25-5717-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-25-5717-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Attributing correlation skill of dynamical GCM precipitation forecasts to statistical ENSO teleconnection using a set-theory-based approach
Tongtiegang Zhao
CORRESPONDING AUTHOR
Center of Water Resources and Environment, Southern Marine Science
and Engineering Guangdong Laboratory (Zhuhai), School of Civil Engineering,
Sun Yat-Sen University, Guangzhou, China
Haoling Chen
Center of Water Resources and Environment, Southern Marine Science
and Engineering Guangdong Laboratory (Zhuhai), School of Civil Engineering,
Sun Yat-Sen University, Guangzhou, China
Quanxi Shao
CSIRO Data61, Australian Resources Research Centre, Bentley, WA,
Australia
Tongbi Tu
Center of Water Resources and Environment, Southern Marine Science
and Engineering Guangdong Laboratory (Zhuhai), School of Civil Engineering,
Sun Yat-Sen University, Guangzhou, China
Yu Tian
Department of Water Resources, China Institute of Water Resources and Hydropower Research, Beijing, China
Xiaohong Chen
Center of Water Resources and Environment, Southern Marine Science
and Engineering Guangdong Laboratory (Zhuhai), School of Civil Engineering,
Sun Yat-Sen University, Guangzhou, China
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Rainfall forecasts from dynamical global climate models (GCMs) require post-processing before use in hydrological models. Existing methods generally lack the sophistication to achieve calibrated forecasts of both daily amounts and seasonal accumulated totals. We develop a new statistical method to post-process Australian GCM rainfall forecasts for 12 perennial and ephemeral catchments. Our method produces reliable forecasts and outperforms the most commonly used statistical method.
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Tongtiegang Zhao, Wei Zhang, Yongyong Zhang, Zhiyong Liu, and Xiaohong Chen
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Tian Lan, Kairong Lin, Xuezhi Tan, Chong-Yu Xu, and Xiaohong Chen
Hydrol. Earth Syst. Sci. Discuss., https://doi.org/10.5194/hess-2019-301, https://doi.org/10.5194/hess-2019-301, 2019
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Xinjun Tu, Yiliang Du, Vijay P. Singh, Xiaohong Chen, Kairong Lin, and Haiou Wu
Hydrol. Earth Syst. Sci., 22, 5175–5189, https://doi.org/10.5194/hess-22-5175-2018, https://doi.org/10.5194/hess-22-5175-2018, 2018
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For given frequencies of precipitation of a large region, design water demands of irrigation of the entire region among three methods, i.e., equalized frequency, typical year and most-likely weight function, slightly differed, but their alterations in sub-regions were complicated. A design procedure using the most-likely weight function in association with a high-dimensional copula, which built a linkage between regional frequency and sub-regional frequency of precipitation, is recommended.
Andrew Schepen, Tongtiegang Zhao, Quan J. Wang, and David E. Robertson
Hydrol. Earth Syst. Sci., 22, 1615–1628, https://doi.org/10.5194/hess-22-1615-2018, https://doi.org/10.5194/hess-22-1615-2018, 2018
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Tongbi Tu, Ali Ercan, and M. Levent Kavvas
Earth Syst. Dynam., 8, 931–949, https://doi.org/10.5194/esd-8-931-2017, https://doi.org/10.5194/esd-8-931-2017, 2017
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Groundwater level fluctuations in confined aquifer wells with long observations exhibit site-specific fractal scaling behavior, and the underlying distribution exhibits either non-Gaussian characteristics, which may be fitted by the Lévy stable distribution, or Gaussian characteristics. The estimated Hurst exponent is highly dependent on the length and the specific time interval of the time series. The MF-DFA and MMA analyses showed that different levels of multifractality exist.
M. Levent Kavvas, Tongbi Tu, Ali Ercan, and James Polsinelli
Earth Syst. Dynam., 8, 921–929, https://doi.org/10.5194/esd-8-921-2017, https://doi.org/10.5194/esd-8-921-2017, 2017
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A dimensionally consistent governing equation of transient, saturated groundwater flow in fractional time in a multi-fractional confined aquifer is developed. First a continuity equation for groundwater flow in fractional time and in a multi-fractional, multidimensional confined aquifer is developed. An equation of water flux is also developed. The governing equation of transient groundwater flow in a multi-fractional, multidimensional confined aquifer in fractional time is then obtained.
Andrew Schepen, Tongtiegang Zhao, Q. J. Wang, Senlin Zhou, and Paul Feikema
Hydrol. Earth Syst. Sci., 20, 4117–4128, https://doi.org/10.5194/hess-20-4117-2016, https://doi.org/10.5194/hess-20-4117-2016, 2016
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Australian seasonal streamflow forecasts are issued by the Bureau of Meteorology with up to two weeks' delay. Timelier forecast release will enhance forecast value and enable sub-seasonal forecasting. The bureau's forecasting approach is modified to allow timelier forecast release, and changes in reliability and skill are quantified. The results are combined with insights into the forecast production process to recommend a more flexible forecasting system to better meet the needs of users.
Y. Y. Zhang, Q. X. Shao, A. Z. Ye, H. T. Xing, and J. Xia
Hydrol. Earth Syst. Sci., 20, 529–553, https://doi.org/10.5194/hess-20-529-2016, https://doi.org/10.5194/hess-20-529-2016, 2016
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We developed an integrated water system model by coupling multiple water-related processes in hydrology, biogeochemistry, water quality and ecology, and considering the interference of human activities. The parameter sensitivity and autocalibration modules were also developed to improve the simulation efficiency. The proposed model was applied in the Shaying River catchment, which is a highly regulated and heavily polluted region in China.
Z. Luo, E. Wang, H. Zheng, J. A. Baldock, O. J. Sun, and Q. Shao
Biogeosciences, 12, 4373–4383, https://doi.org/10.5194/bg-12-4373-2015, https://doi.org/10.5194/bg-12-4373-2015, 2015
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Soil carbon models are primary tools for projecting soil carbon balance under changing environment and management. This study shows that the carbon model produces divergent projections but accurate reproduction of measured soil carbon. This projection uncertainty is mainly due to an insufficient understanding of microbial processes and soil carbon composition. Climate conditions and land management in terms of carbon input also have significant effects.
Y. Y. Zhang, Q. X. Shao, A. Z. Ye, and H. T. Xing
Hydrol. Earth Syst. Sci. Discuss., https://doi.org/10.5194/hessd-11-9219-2014, https://doi.org/10.5194/hessd-11-9219-2014, 2014
Revised manuscript not accepted
Related subject area
Subject: Global hydrology | Techniques and Approaches: Mathematical applications
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Paul H. Whitfield, Philip D. A. Kraaijenbrink, Kevin R. Shook, and John W. Pomeroy
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Evapotranspiration (ET) is the largest flux from the land to the atmosphere and thus contributes to Earth's energy and water balance. Due to its impact on atmospheric dynamics, ET is a key driver of droughts and heatwaves. In this paper, we demonstrate how averaging over land surface heterogeneity contributes to substantial overestimates of ET fluxes. We also demonstrate how one can correct for the effects of small-scale heterogeneity without explicitly representing it in land surface models.
Steefan Contractor, Markus G. Donat, Lisa V. Alexander, Markus Ziese, Anja Meyer-Christoffer, Udo Schneider, Elke Rustemeier, Andreas Becker, Imke Durre, and Russell S. Vose
Hydrol. Earth Syst. Sci., 24, 919–943, https://doi.org/10.5194/hess-24-919-2020, https://doi.org/10.5194/hess-24-919-2020, 2020
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This paper provides the documentation of the REGEN dataset, a global land-based daily observational precipitation dataset from 1950 to 2016 at a gridded resolution of 1° × 1°. REGEN is currently the longest-running global dataset of daily precipitation and is expected to facilitate studies looking at changes and variability in several aspects of daily precipitation distributions, extremes and measures of hydrological intensity.
Helena Gerdener, Olga Engels, and Jürgen Kusche
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GRACE-derived drought indicators enable us to detect hydrological droughts based on changes observed in all storages. By performing synthetic experiments, we find that droughts identified by existing and modified indicators are biased by trends and GRACE-based spatial noise. A modified version of the Zhao et al. (2017) indicator is found to be particularly robust against spatial noise and is therefore applied to real GRACE data over South Africa.
Jianyu Liu, Qiang Zhang, Vijay P. Singh, Changqing Song, Yongqiang Zhang, Peng Sun, and Xihui Gu
Hydrol. Earth Syst. Sci., 22, 4047–4060, https://doi.org/10.5194/hess-22-4047-2018, https://doi.org/10.5194/hess-22-4047-2018, 2018
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Considering effective precipitation (Pe), the Budyko framework was extended to the annual water balance analysis. To reflect the mismatch between water supply (precipitation, P) and energy (potential evapotranspiration,
E0), a climate seasonality and asynchrony index (SAI) were proposed in terms of both phase and amplitude mismatch between P and E0.
Julia Hall and Günter Blöschl
Hydrol. Earth Syst. Sci., 22, 3883–3901, https://doi.org/10.5194/hess-22-3883-2018, https://doi.org/10.5194/hess-22-3883-2018, 2018
Sanaa Hobeichi, Gab Abramowitz, Jason Evans, and Anna Ukkola
Hydrol. Earth Syst. Sci., 22, 1317–1336, https://doi.org/10.5194/hess-22-1317-2018, https://doi.org/10.5194/hess-22-1317-2018, 2018
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We present a new global ET dataset and associated uncertainty with monthly temporal resolution for 2000–2009 and 0.5 grid cell size. Six existing gridded ET products are combined using a weighting approach trained by observational datasets from 159 FLUXNET sites. We confirm that point-based estimates of flux towers provide information at the grid scale of these products. We also show that the weighted product performs better than 10 different existing global ET datasets in a range of metrics.
Myoung-Jin Um, Yeonjoo Kim, Daeryong Park, and Jeongbin Kim
Hydrol. Earth Syst. Sci., 21, 4989–5007, https://doi.org/10.5194/hess-21-4989-2017, https://doi.org/10.5194/hess-21-4989-2017, 2017
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This study aims to understand how different reference periods (i.e., calibration periods) of climate data for estimating the drought index influence regional drought assessments. Specifically, we investigate the influence of different reference periods on historical drought characteristics such as trends, frequency, intensity and spatial extents using the Standard Precipitation Evapotranspiration Index (SPEI) estimated from the two widely used global datasets.
Lorenzo Mentaschi, Michalis Vousdoukas, Evangelos Voukouvalas, Ludovica Sartini, Luc Feyen, Giovanni Besio, and Lorenzo Alfieri
Hydrol. Earth Syst. Sci., 20, 3527–3547, https://doi.org/10.5194/hess-20-3527-2016, https://doi.org/10.5194/hess-20-3527-2016, 2016
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The climate is subject to variations which must be considered
studying the intensity and frequency of extreme events.
We introduce in this paper a new methodology
for the study of variable extremes, which consists in detecting
the pattern of variability of a time series, and applying these patterns
to the analysis of the extreme events.
This technique comes with advantages with respect to the previous ones
in terms of accuracy, simplicity, and robustness.
B. Asadieh and N. Y. Krakauer
Hydrol. Earth Syst. Sci., 19, 877–891, https://doi.org/10.5194/hess-19-877-2015, https://doi.org/10.5194/hess-19-877-2015, 2015
Short summary
Short summary
We present a systematic comparison of changes in historical extreme precipitation in station observations (HadEX2) and 15 climate models from the CMIP5 (as the largest and most recent sets of available observational and modeled data sets), on global and continental scales for 1901-2010, using both parametric (linear regression) and non-parametric (the Mann-Kendall as well as Sen’s slope estimator) methods, taking care to sample observations and models spatially and temporally in comparable ways.
A. I. J. M. van Dijk, L. J. Renzullo, Y. Wada, and P. Tregoning
Hydrol. Earth Syst. Sci., 18, 2955–2973, https://doi.org/10.5194/hess-18-2955-2014, https://doi.org/10.5194/hess-18-2955-2014, 2014
M. H. J. van Huijgevoort, P. Hazenberg, H. A. J. van Lanen, and R. Uijlenhoet
Hydrol. Earth Syst. Sci., 16, 2437–2451, https://doi.org/10.5194/hess-16-2437-2012, https://doi.org/10.5194/hess-16-2437-2012, 2012
D. Brochero, F. Anctil, and C. Gagné
Hydrol. Earth Syst. Sci., 15, 3307–3325, https://doi.org/10.5194/hess-15-3307-2011, https://doi.org/10.5194/hess-15-3307-2011, 2011
D. Brochero, F. Anctil, and C. Gagné
Hydrol. Earth Syst. Sci., 15, 3327–3341, https://doi.org/10.5194/hess-15-3327-2011, https://doi.org/10.5194/hess-15-3327-2011, 2011
Cited articles
Beck, H. E., Pan, M., Roy, T., Weedon, G. P., Pappenberger, F., van Dijk, A. I. J. M., Huffman, G. J., Adler, R. F., and Wood, E. F.: Daily evaluation of 26 precipitation datasets using Stage-IV gauge-radar data for the CONUS,
Hydrol. Earth Syst. Sci., 23, 207–224, https://doi.org/10.5194/hess-23-207-2019, 2019.
Becker, E., Kirtman, Ben P., and Pegion, K.: Evolution of the North American
Multi-Model Ensemble, Geophys. Res. Lett., 47, e2020GL087408, https://doi.org/10.1029/2020GL087408, 2020.
Butler, A. H., Polvani, L. M., and Deser, C.: Separating the stratospheric
and tropospheric pathways of El Niño–Southern Oscillation teleconnections, Environ. Res. Lett., 9, 024014, https://doi.org/10.1088/1748-9326/9/2/024014, 2014.
Cai, W. and Weller, E.: Asymmetry in the IOD and ENSO Teleconnection in a
CMIP5 Model Ensemble and Its Relevance to Regional Rainfall, J. Climate, 26,
5139–5149, https://doi.org/10.1175/JCLI-D-12-00789.1, 2013.
Cai, W., Sullivan, A., and Cowan, T.: Rainfall Teleconnections with Indo-Pacific Variability in the WCRP CMIP3 Models, J. Climate, 22, 5046–5071, https://doi.org/10.1175/2009JCLI2694.1, 2009.
Cai, W., McPhaden, M. J., Grimm, A. M., Rodrigues, R. R., Taschetto, A. S.,
Garreaud, R. D., Dewitte, B., Poveda, G., Ham, Y.-G., Santoso, A., Ng, B.,
Anderson, W., Wang, G., Geng, T., Jo, H.-S., Marengo, J. A., Alves, L. M.,
Osman, M., Li, S., Wu, L., Karamperidou, C., Takahashi, K., and Vera, C.:
Climate impacts of the El Niño–Southern Oscillation on South America,
Nat. Rev. Earth Environ., 1, 215–231, https://doi.org/10.1038/s43017-020-0040-3, 2020.
Chen, M. and Kumar, A.: The utility of seasonal hindcast database for the
analysis of climate variability: an example, Clim. Dynam., 48, 265–279,
https://doi.org/10.1007/s00382-016-3073-z, 2016.
Chen, M. and Kumar, A.: Understanding Skill of Seasonal Mean Precipitation
Prediction over California during Boreal Winter and Role of Predictability
Limits, J. Climate, 33, 6141–6163, https://doi.org/10.1175/jcli-d-19-0275.1, 2020.
Chen, M., Shi, W., Xie, P., Silva, V. B. S., Kousky, V. E., Wayne Higgins,
R., and Janowiak, J. E.: Assessing objective techniques for gauge-based
analyses of global daily precipitation, J. Geophys. Res., 113, D04110, https://doi.org/10.1029/2007jd009132, 2008.
Delworth, T. L., Cooke, W. F., Adcroft, A., Bushuk, M., Chen, J. H., Dunne,
K. A., Ginoux, P., Gudgel, R., Hallberg, R. W., Harris, L., Harrison, M. J.,
Johnson, N., Kapnick, S. B., Lin, S. J., Lu, F., Malyshev, S., Milly, P. C.,
Murakami, H., Naik, V., Pascale, S., Paynter, D., Rosati, A., Schwarzkopf,
M. D., Shevliakova, E., Underwood, S., Wittenberg, A. T., Xiang, B., Yang,
X., Zeng, F., Zhang, H., Zhang, L., and Zhao, M.: SPEAR: The Next Generation
GFDL Modeling System for Seasonal to Multidecadal Prediction and Projection,
J. Adv. Model. Earth Syst., 12, e2019MS001895, https://doi.org/10.1029/2019ms001895, 2020.
Demargne, J., Wu, L., Regonda, S. K., Brown, J. D., Lee, H., He, M., Seo, D.-J., Hartman, R., Herr, H. D., Fresch, M., Schaake, J., and Zhu, Y.: The
Science of NOAA's Operational Hydrologic Ensemble Forecast Service, B. Am. Meteorol. Soc., 95, 79-98, https://doi.org/10.1175/BAMS-D-12-00081.1, 2014.
Doblas-Reyes, F. J., García-Serrano, J., Lienert, F., Biescas, A. P., and Rodrigues, L. R. L.: Seasonal climate predictability and forecasting: status and prospects, Wiley Interdisciplin. Rev. Clim. Change, 4, 245–268,
https://doi.org/10.1002/wcc.217, 2013.
Feng, S. and Hao, Z.: Quantitative contribution of ENSO to precipitation-temperature dependence and associated compound dry and hot
events, Atmos. Res., 260, 105695, https://doi.org/10.1016/j.atmosres.2021.105695, 2021.
Fu, R., Dickinson, R. E., and Newkirk, B.: Response of the upper tropospheric humidity and moisture transport to changes of tropical convection. A comparison between observations and a GCM over an ENSO cycle, Geophys. Res. Lett., 24, 2371-2374, https://doi.org/10.1029/97GL02505, 1997.
Gong, H., Wang, L., Chen, W., Nath, D., Huang, G., and Tao, W.: Diverse
Influences of ENSO on the East Asian–Western Pacific Winter Climate Tied to
Different ENSO Properties in CMIP5 Models, J. Climate, 28, 2187–2202,
https://doi.org/10.1175/JCLI-D-14-00405.1, 2015.
Greuell, W., Franssen, W. H. P., Biemans, H., and Hutjes, R. W. A.: Seasonal
streamflow forecasts for Europe – Part I: Hindcast verification with
pseudo- and real observations, Hydrol. Earth Syst. Sci., 22, 3453–3472,
https://doi.org/10.5194/hess-22-3453-2018, 2018.
Howard, E., Washington, R., and Hodges, K. I.: Tropical Lows in Southern Africa: Tracks, Rainfall Contributions, and the Role of ENSO, J. Geophys.
Res.-Atmos., 124, 11009–11032, https://doi.org/10.1029/2019jd030803, 2019.
Huffman, G. J., Bolvin, D. T., Nelkin, E. J., Wolff, D. B., Adler, R. F., Gu, G., Hong, Y., Bowman, K. P., and Stocker, E. F.: The TRMM Multisatellite
Precipitation Analysis (TMPA): Quasi-Global, Multiyear, Combined-Sensor
Precipitation Estimates at Fine Scales, J. Hydrometeorol., 8, 38–55,
https://doi.org/10.1175/jhm560.1, 2007.
Infanti, J. M. and Kirtman, B. P.: North American rainfall and temperature
prediction response to the diversity of ENSO, Clim. Dynam., 46, 3007–3023,
https://doi.org/10.1007/s00382-015-2749-0, 2015.
IRI: Models NMME, IRI [code], https://iridl.ldeo.columbia.edu/SOURCES/.Models/.NMME/, last access: 1 November 2021.
Jha, B., Kumar, A., and Hu, Z.-Z.: An update on the estimate of predictability of seasonal mean atmospheric variability using North American
Multi-Model Ensemble, Clim. Dynam., 53, 7397–7409, https://doi.org/10.1007/s00382-016-3217-1, 2016.
Jia, L., Yang, X., Vecchi, G. A., Gudgel, R. G., Delworth, T. L., Rosati, A., Stern, W. F., Wittenberg, A. T., Krishnamurthy, L., Zhang, S., Msadek, R., Kapnick, S., Underwood, S., Zeng, F., Anderson, W. G., Balaji, V., and Dixon, K.: Improved Seasonal Prediction of Temperature and Precipitation over Land in a High-Resolution GFDL Climate Model, J. Climate, 28, 2044–2062, https://doi.org/10.1175/jcli-d-14-00112.1, 2015.
Jiang, L. and Li, T.: Why rainfall response to El Niño over Maritime
Continent is weaker and non-uniform in boreal winter than in boreal summer,
Clim. Dynam., 51, 1465–1483, https://doi.org/10.1007/s00382-017-3965-6, 2017.
Johnson, S. J., Stockdale, T. N., Ferranti, L., Balmaseda, M. A., Molteni, F., Magnusson, L., Tietsche, S., Decremer, D., Weisheimer, A., Balsamo, G., Keeley, S. P. E., Mogensen, K., Zuo, H., and Monge-Sanz, B. M.: SEAS5: the
new ECMWF seasonal forecast system, Geosci. Model Dev., 12, 1087–1117,
https://doi.org/10.5194/gmd-12-1087-2019, 2019.
Jong, B.-T., Ting, M., and Seager, R.: Assessing ENSO Summer Teleconnections, Impacts, and Predictability in North America, J. Climate, 34, 3629–3643, https://doi.org/10.1175/jcli-d-20-0761.1, 2021.
Kayano, M. T. and Andreoli, R. V.: Relationships between rainfall anomalies
over northeastern Brazil and the El Niño–Southern Oscillation, J. Geophys. Res., 111, D13101, https://doi.org/10.1029/2005JD006142, 2006.
Kim, H.-M., Webster, P. J., and Curry, J. A.: Seasonal prediction skill of
ECMWF System 4 and NCEP CFSv2 retrospective forecast for the Northern Hemisphere Winter, Clim. Dynam., 39, 2957–2973, https://doi.org/10.1007/s00382-012-1364-6, 2012.
Kim, S. and Kug, J. S.: What Controls ENSO Teleconnection to East Asia? Role
of Western North Pacific Precipitation in ENSO Teleconnection to East Asia,
J. Geophys. Res.-Atmos., 123, 10406–10422, https://doi.org/10.1029/2018JD028935, 2018.
Kim, S., Son, H.-Y., and Kug, J.-S.: How well do climate models simulate
atmospheric teleconnctions over the North Pacific and East Asia associated
with ENSO?, Clim. Dynam., 48, 971–985, https://doi.org/10.1007/s00382-016-3121-8, 2016.
Kirtman, B. P., Min, D., Infanti, J. M., Kinter, J. L., Paolino, D. A., Zhang, Q., van den Dool, H., Saha, S., Mendez, M. P., Becker, E., Peng, P.,
Tripp, P., Huang, J., DeWitt, D. G., Tippett, M. K., Barnston, A. G., Li, S., Rosati, A., Schubert, S. D., Rienecker, M., Suarez, M., Li, Z. E., Marshak, J., Lim, Y.-K., Tribbia, J., Pegion, K., Merryfield, W. J., Denis, B., and Wood, E. F.: The North American Multimodel Ensemble: Phase-1 Seasonal-to-Interannual Prediction; Phase-2 toward Developing Intraseasonal
Prediction, B. Am. Meteorol. Soc., 95, 585–601, https://doi.org/10.1175/BAMS-D-12-00050.1, 2014.
Koster, R. D., Mahanama, S. P. P., Yamada, T. J., Balsamo, G., Berg, A. A.,
Boisserie, M., Dirmeyer, P. A., Doblas-Reyes, F. J., Drewitt, G., Gordon, C.
T., Guo, Z., Jeong, J.-H., Lawrence, D. M., Lee, W.-S., Li, Z., Luo, L.,
Malyshev, S., Merryfield, W. J., Seneviratne, S. I., Stanelle, T., van den
Hurk, B. J. J. M., Vitart, F., and Wood, E. F.: Contribution of land surface
initialization to subseasonal forecast skill: First results from a
multi-model experiment, Geophys. Res. Lett., 37, L02402, https://doi.org/10.1029/2009GL041677, 2010.
Krause, P., Boyle, D. P., and Bäse, F.: Comparison of different efficiency criteria for hydrological model assessment, Adv. Geosci., 5, 89–97, https://doi.org/10.5194/adgeo-5-89-2005, 2005.
Lakshmi, D. D. and Satyanarayana, A. N. V.: Influence of atmospheric rivers
in the occurrence of devastating flood associated with extreme precipitation
events over Chennai using different reanalysis data sets, Atmos. Res., 215,
12–36, https://doi.org/10.1016/j.atmosres.2018.08.016, 2019.
Lima, C. H. R. and Lall, U.: Climate informed monthly streamflow forecasts
for the Brazilian hydropower network using a periodic ridge regression model, J. Hydrol., 380, 438–449, https://doi.org/10.1016/j.jhydrol.2009.11.016, 2010.
Manzanas, R., Frías, M. D., Cofiño, A. S., and Gutiérrez, J. M.: Validation of 40 year multimodel seasonal precipitation forecasts: The role of ENSO on the global skill, J. Geophys. Res.-Atmos., 119, 1708–1719,
https://doi.org/10.1002/2013JD020680, 2014.
Mariotti, A.: How ENSO impacts precipitation in southwest central Asia,
Geophys. Res. Lett., 34, L16706, https://doi.org/10.1029/2007GL030078, 2007.
Mason, S. J. and Goddard, L.: Probabilistic precipitation anomalies
associated with ENSO, B. Am. Meteorol. Soc., 82, 619–638, https://doi.org/10.1175/1520-0477(2001)082<0619:PPAAWE>2.3.CO;2, 2001.
Mendoza, P. A., Wood, A. W., Clark, E., Rothwell, E., Clark, M. P., Nijssen,
B., Brekke, L. D., and Arnold, J. R.: An intercomparison of approaches for
improving operational seasonal streamflow forecasts, Hydrol. Earth Syst.
Sci., 21, 3915–3935, https://doi.org/10.5194/hess-21-3915-2017, 2017.
Merryfield, W. J., Lee, W.-S., Boer, G. J., Kharin, V. V., Scinocca, J. F.,
Flato, G. M., Ajayamohan, R. S., Fyfe, J. C., Tang, Y., and Polavarapu, S.:
The Canadian Seasonal to Interannual Prediction System. Part I: Models and
Initialization, Mon. Weather Rev., 141, 2910–2945, https://doi.org/10.1175/mwr-d-12-00216.1, 2013.
Minami, A. and Takaya, Y.: Enhanced Northern Hemisphere Correlation Skill of
Subseasonal Predictions in the Strong Negative Phase of the Arctic Oscillation, J. Geophys. Res.-Atmos., 125, e2019JD031268, https://doi.org/10.1029/2019JD031268, 2020.
Molod, A., Hackert, E., Vikhliaev, Y., Zhao, B., Barahona, D., Vernieres,
G., Borovikov, A., Kovach, R. M., Marshak, J., Schubert, S., Li, Z., Lim, Y.
K., Andrews, L. C., Cullather, R., Koster, R., Achuthavarier, D., Carton,
J., Coy, L., Friere, J. L. M., Longo, K. M., Nakada, K., and Pawson, S.:
GEOS-S2S Version 2: The GMAO High-Resolution Coupled Model and Assimilation
System for Seasonal Prediction, J. Geophys. Res.-Atmos., 125, e2019JD031767, https://doi.org/10.1029/2019JD031767, 2020.
Molteni, F., Stockdale, T., Balmaseda, M., Balsamo, G., Buizza, R., Ferranti, L., Magnusson, L., Mogensen, K., Palmer, T., and Vitart, F.: The new ECMWF seasonal forecast system (System 4), European Centre for Medium-Range Weather Forecasts, Reading, 2011.
Mortensen, E., Wu, S., Notaro, M., Vavrus, S., Montgomery, R., De Piérola, J., Sánchez, C., and Block, P.: Regression-based
season-ahead drought prediction for southern Peru conditioned on large-scale
climate variables, Hydrol. Earth Syst. Sci., 22, 287–303, https://doi.org/10.5194/hess-22-287-2018, 2018.
Neelin, J. D. and Langenbrunner, B.: Analyzing ENSO Teleconnections in CMIP
Models as a Measure of Model Fidelity in Simulating Precipitation, J. Climate, 26, 4431–4446, https://doi.org/10.1175/jcli-d-12-00542.1, 2013.
NOAA: Climate Indices: Monthly Atmospheric and Ocean Time-Series, NOAA [data set], https://psl.noaa.gov/data/climateindices/list/, last access: 1 November 2021.
Pegion, K. and Kumar, A.: Does An ENSO-Conditional Skill Mask Improve Seasonal Predictions?, Mon. Weather Rev., 141, 4515–4533, https://doi.org/10.1175/mwr-d-12-00317.1, 2013.
Peng, B., Guan, K., Pan, M., and Li, Y.: Benefits of Seasonal Climate
Prediction and Satellite Data for Forecasting U.S. Maize Yield, Geophys. Res. Lett., 45, 9662–9671, https://doi.org/10.1029/2018gl079291, 2018.
Peng, Z., Wang, Q. J., Bennett, J. C., Pokhrel, P., and Wang, Z.: Seasonal
precipitation forecasts over China using monthly large-scale oceanic-atmospheric indices, J. Hydrol., 519, 792–802, https://doi.org/10.1016/j.jhydrol.2014.08.012, 2014.
Quan, X., Hoerling, M., Whitaker, J., Bates, G., and Xu, T.: Diagnosing
Sources of U.S. Seasonal Forecast Skill, J. Climate, 19, 3279–3293, https://doi.org/10.1175/JCLI3789.1, 2006.
Rivera, J. A. and Arnould, G.: Evaluation of the ability of CMIP6 models to
simulate precipitation over Southwestern South America: Climatic features
and long-term trends (1901–2014), Atmos. Res., 241, 104953, https://doi.org/10.1016/j.atmosres.2020.104953, 2020.
Robertson, D. E., Shrestha, D. L., and Wang, Q. J.: Post-processing rainfall
forecasts from numerical weather prediction models for short-term streamflow
forecasting, Hydrol. Earth Syst. Sci., 17, 3587–3603, https://doi.org/10.5194/hess-17-3587-2013, 2013.
Saha, S., Moorthi, S., Pan, H.-L., Wu, X., Wang, J., Nadiga, S., Tripp, P.,
Kistler, R., Woollen, J., Behringer, D., Liu, H., Stokes, D., Grumbine, R.,
Gayno, G., Wang, J., Hou, Y.-T., Chuang, H.-y., Juang, H.-M. H., Sela, J.,
Iredell, M., Treadon, R., Kleist, D., Delst, P. V., Keyser, D., Derber, J.,
Ek, M., Meng, J., Wei, H., Yang, R., Lord, S., Dool, H. v. d., Kumar, A.,
Wang, W., Long, C., Chelliah, M., Xue, Y., Huang, B., Schemm, J.-K., Ebisuzaki, W., Lin, R., Xie, P., Chen, M., Zhou, S., Higgins, W., Zou, C.-Z., Liu, Q., Chen, Y., Han, Y., Cucurull, L., Reynolds, R. W., Rutledge, G., and Goldberg, M.: The NCEP Climate Forecast System Reanalysis, B. Am. Meteorol. Soc., 91, 1015–1058, https://doi.org/10.1175/2010bams3001.1, 2010.
Saha, S., Moorthi, S., Wu, X., Wang, J., Nadiga, S., Tripp, P., Behringer, D., Hou, Y.-T., Chuang, H.-y., Iredell, M., Ek, M., Meng, J., Yang, R., Mendez, M. P., Dool, H. v. d., Zhang, Q., Wang, W., Chen, M., and Becker, E.: The NCEP Climate Forecast System Version 2, J. Climate, 27, 2185–2208,
https://doi.org/10.1175/jcli-d-12-00823.1, 2014.
Schepen, A., Wang, Q. J., and Robertson, D.: Evidence for Using Lagged Climate Indices to Forecast Australian Seasonal Rainfall, J. Climate, 25,
1230–1246, https://doi.org/10.1175/jcli-d-11-00156.1, 2012.
Schepen, A., Everingham, Y., and Wang, Q. J.: On the Joint Calibration of
Multivariate Seasonal Climate Forecasts from GCMs, Mon. Weather Rev., 148,
437–456, https://doi.org/10.1175/mwr-d-19-0046.1, 2020.
Schneider, U., Ziese, M., Meyer-Christoffer, A., Finger, P., Rustemeier, E.,
and Becker, A.: The new portfolio of global precipitation data products of the Global Precipitation Climatology Centre suitable to assess and quantify
the global water cycle and resources, Proc. Int. Assoc. Hydrol. Sci., 374,
29–34, https://doi.org/10.5194/piahs-374-29-2016, 2016.
Scofield, R. A. and Kuligowski, R. J.: Status and Outlook of Operational
Satellite Precipitation Algorithms for Extreme-Precipitation Events, Weather
Forecasting, 18, 1037-1051, https://doi.org/10.1175/1520-0434(2003)018<1037:Saooos>2.0.Co;2, 2003.
Shin, C.-S., Huang, B., and Kumar, A.: Predictive Skill and Predictable
Patterns of the U.S. Seasonal Precipitation in CFSv2 Reforecasts of 60 Years (1958–2017), J. Climate, 32, 8603–8637, https://doi.org/10.1175/jcli-d-19-0230.1, 2019.
Steinschneider, S. and Lall, U.: El Niño and the U.S. precipitation and
floods: What was expected for the January–March 2016 winter hydroclimate that is now unfolding?, Water Resour. Res., 52, 1498–1501, https://doi.org/10.1002/2015WR018470, 2016.
Steptoe, H., Jones, S. E. O., and Fox, H.: Correlations Between Extreme
Atmospheric Hazards and Global Teleconnections: Implications for Multihazard
Resilience, Rev. Geophys., 56, 50–78, https://doi.org/10.1002/2017rg000567, 2018.
Strazzo, S., Collins, D. C., Schepen, A., Wang, Q. J., Becker, E., and Jia,
L.: Application of a Hybrid Statistical–Dynamical System to Seasonal Prediction of North American Temperature and Precipitation, Mon. Weather Rev., 147, 607–625, https://doi.org/10.1175/mwr-d-18-0156.1, 2019.
Tesfa, T. K., Leung, L. R., and Ghan, S. J.: Exploring Topography-Based Methods for Downscaling Subgrid Precipitation for Use in Earth System Models, J. Geophys. Res.-Atmos., 125, e2019JD031456, https://doi.org/10.1029/2019JD031456, 2020.
Ushio, T., Sasashige, K., Kubota, T., Shige, S., Okamoto, K. i., Aonashi, K., Inoue, T., Takahashi, N., Iguchi, T., Kachi, M., Oki, R., Morimoto, T., and Kawasaki, Z.-I.: A Kalman Filter Approach to the Global Satellite Mapping of Precipitation (GSMaP) from Combined Passive Microwave and Infrared Radiometric Data, J. Meteorol. Soc. Jpn., 87A, 137–151,
https://doi.org/10.2151/jmsj.87A.137, 2009.
Vano, J. A., Udall, B., Cayan, D. R., Overpeck, J. T., Brekke, L. D., Das,
T., Hartmann, H. C., Hidalgo, H. G., Hoerling, M., McCabe, G. J., Morino,
K., Webb, R. S., Werner, K., and Lettenmaier, D. P.: Understanding Uncertainties in Future Colorado River Streamflow, B. Am. Meteorol. Soc., 95, 59–78, https://doi.org/10.1175/bams-d-12-00228.1, 2014.
Vashisht, A., Zaitchik, B., and Gnanadesikan, A.: ENSO Teleconnection to Eastern African Summer Rainfall in Global Climate Models: Role of the
Tropical Easterly Jet, J. Climate, 34, 293–312, https://doi.org/10.1175/jcli-d-20-0222.1, 2021.
Wang, H.-M., Chen, J., Xu, C.-Y., Chen, H., Guo, S., Xie, P., and Li, X.:
Does the weighting of climate simulations result in a better quantification of hydrological impacts?, Hydrol. Earth Syst. Sci., 23, 4033–4050,
https://doi.org/10.5194/hess-23-4033-2019, 2019.
Wang, J., Wang, X., Lei, X. h., Wang, H., Zhang, X. h., You, J. j., Tan, Q.
f., and Liu, X. l.: Teleconnection analysis of monthly streamflow using
ensemble empirical mode decomposition, J. Hydrol., 582, 124411, https://doi.org/10.1016/j.jhydrol.2019.124411, 2020.
Wang, P.-H., Minnis, P., Wielicki, B. A., Wong, T., Cess, R. D., Zhang, M.,
Vann, L. B., and Kent, G. S.: Characteristics of the 1997/1998 El Niño
cloud distributions from SAGE II observations, J. Geophys. Res.-Atmos., 108, AAC 5-1–AAC 5-11, https://doi.org/10.1029/2002JD002501, 2003.
Wu, H., Adler, R. F., Tian, Y., Huffman, G. J., Li, H., and Wang, J.: Real-time global flood estimation using satellite-based precipitation and a
coupled land surface and routing model, Water Resour. Res., 50, 2693–2717,
https://doi.org/10.1002/2013wr014710, 2014.
Xie, P., Arkin, P. A., and Janowiak, J. E.: CMAP: The CPC Merged Analysis of
Precipitation, in: Measuring Precipitation From Space, Advances In Global
Change Research, Springer, Dordrecht, 319–328, https://doi.org/10.1007/978-1-4020-5835-6_25, 2007.
Yang, S. and Jiang, X.: Prediction of Eastern and Central Pacific ENSO Events and Their Impacts on East Asian Climate by the NCEP Climate Forecast System, J. Climate, 27, 4451–4472, https://doi.org/10.1175/JCLI-D-13-00471.1, 2014.
Yang, S., Li, Z., Yu, J.-Y., Hu, X., Dong, W., and He, S.: El Niño–Southern Oscillation and its impact in the changing climate, Natl. Sci. Rev., 5, 840–857, https://doi.org/10.1093/nsr/nwy046, 2018.
Yuan, X., Wood, E. F., Luo, L., and Pan, M.: A first look at Climate Forecast System version 2 (CFSv2) for hydrological seasonal prediction, Geophys. Res. Lett., 38, L13402, https://doi.org/10.1029/2011GL047792, 2011.
Yuan, X., Wood, E. F., and Liang, M.: Integrating weather and climate prediction: Toward seamless hydrologic forecasting, Geophys. Res. Lett., 41,
5891–5896, https://doi.org/10.1002/2014gl061076, 2014.
Zhao, T., Zhang, Y., and Chen, X.: Predictive performance of NMME seasonal
forecasts of global precipitation: A spatial-temporal perspective, J. Hydrol., 570, 17–25, https://doi.org/10.1016/j.jhydrol.2018.12.036, 2019.
Zhao, T., Zhang, W., Zhang, Y., Liu, Z., and Chen, X.: Significant spatial
patterns from the GCM seasonal forecasts of global precipitation, Hydrol.
Earth Syst. Sci., 24, 1–16, https://doi.org/10.5194/hess-24-1-2020, 2020a.
Zhao, T., Chen, H., Xu, W., Cai, H., Yan, D., and Chen, X.: Spatial
association of anomaly correlation for GCM seasonal forecasts of global
precipitation, Clim. Dynam., 55, 2273–2286, https://doi.org/10.1007/s00382-020-05384-2, 2020b.
Short summary
This paper develops a novel approach to attributing correlation skill of dynamical GCM forecasts to statistical El Niño–Southern Oscillation (ENSO) teleconnection using the coefficient of determination. Three cases of attribution are effectively facilitated, which are significantly positive anomaly correlation attributable to positive ENSO teleconnection, attributable to negative ENSO teleconnection and not attributable to ENSO teleconnection.
This paper develops a novel approach to attributing correlation skill of dynamical GCM forecasts...