Regional hydrological modeling in ungauged regions has attracted growing attention in water resources research.
Mingyong Cai, Shengtian Yang, Changsen Zhao, Qiuwen Zhou, Lipeng Hou 2017, 'Insight into runoff characteristics using hydrological modeling in the data-scarcesouthern Tibetan Plateau: Past, present, and future', PLOS ONE10.1371/journal.pone.0176813. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The uncertainty of the model for ungauged sites was quantified through an extensive cross-validation.
G. Di Baldassarre, A. Castellarin, A. Brath 2006, 'Relationships between statistics of rainfall extremes and mean annual precipitation:an application for design-storm estimation in northern central Italy', Hydrology and Earth System Scienceshttp://www.hydrol-earth-syst-sci.net/10/589/2006/hess-10-589-2006.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The analysis highlights interesting perspectives for the application of spatially distributed models to ungauged catchments.
G. Moretti, A. Montanari 2008, 'Inferring the flood frequency distribution for an ungauged basin using a spatiallydistributed rainfall-runoff model', Hydrology and Earth System Scienceshttp://www.hydrol-earth-syst-sci.net/12/1141/2008/hess-12-1141-2008.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
In recent years, geostatistical methods have proven valuable for estimating hydrological variables in ungauged catchments.
Mei Hong, Ren Zhang, Dong Wang, Longxia Qian, Zhenghua Hu 2017, 'Spatial Interpolation of Annual Runoff in Ungauged Basins Based on the Improved InformationDiffusion Model Using a Genetic Algorithm', Discrete Dynamics in Nature and Societyhttp://dx.doi.org/10.1155/2017/4293731. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Ungauged watersheds were generally given the same parameter sets as their neighbouring calibrated watersheds.
H. C. Winsemius, H. H. G. Savenije, A. M. J. Gerrits, E. A. Zapreeva, R. Klees 2006, 'Comparison of two model approaches in the Zambezi river basin with regard to modelreliability and identifiability', Hydrology and Earth System Scienceshttp://www.hydrol-earth-syst-sci.net/10/339/2006/hess-10-339-2006.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Hydrological predictions in ungauged lakes are one of the most important issues in hydrological sciences.
Kang Liang 2017, 'Quantifying Streamflow Variations in Ungauged Lake Basins by Integrating Remote Sensingand Water Balance Modelling: A Case Study of the Erdos Larus relictus National NatureReserve, China', Remote Sensinghttp://www.mdpi.com/2072-4292/9/6/588. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The results show that the approach used can be replicated at other similar ungauged watersheds.
Alemu O. Aga, Assefa M. Melesse, Bayou Chane 2018, 'Estimating the Sediment Flux and Budget for a Data Limited Rift Valley Lake in Ethiopia',Hydrologyhttp://www.mdpi.com/2306-5338/6/1/1. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
This study offers a method to obtain soil moisture data at ungauged sites.
Yi-Fang Chang, Hua-Xing Bi, Qing-Fu Ren, Hua-Sen Xu, Zhi-Cai Cai, Dan Wang, Wen-ChaoLiao 2017, 'Soil Moisture Stochastic Model in Pinus tabuliformis Forestland on the Loess Plateau,China', Waterhttp://www.mdpi.com/2073-4441/9/5/354. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
There are two types of studies that use regionalisation techniques for ungauged catchments.
Y. He, A. Bárdossy, E. Zehe 2011, 'A review of regionalisation for continuous streamflow simulation', Hydrology and Earth System Scienceshttp://www.hydrol-earth-syst-sci.net/15/3539/2011/hess-15-3539-2011.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)