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169 Results Found

  • Article
  • Open Access
3 Citations
4,732 Views
19 Pages

On the Dominant Factor Controlling Seasonal Hydrological Forecast Skill in China

  • Xuejun Zhang,
  • Qiuhong Tang,
  • Guoyong Leng,
  • Xingcai Liu,
  • Zhe Li and
  • Zhongwei Huang

20 November 2017

Initial conditions (ICs) and climate forecasts (CFs) are the two primary sources of seasonal hydrological forecast skill. However, their relative contribution to predictive skill remains unclear in China. In this study, we investigate the relative ro...

  • Article
  • Open Access
10 Citations
3,044 Views
20 Pages

Seasonal Streamflow Forecast in the Tocantins River Basin, Brazil: An Evaluation of ECMWF-SEAS5 with Multiple Conceptual Hydrological Models

  • Leandro Ávila,
  • Reinaldo Silveira,
  • André Campos,
  • Nathalli Rogiski,
  • Camila Freitas,
  • Cássia Aver and
  • Fernando Fan

27 April 2023

The assessment of seasonal streamflow forecasting is essential for appropriate water resource management. A suitable seasonal forecasting system requires the evaluation of both numerical weather prediction (NWP) and hydrological models to represent t...

  • Article
  • Open Access
5 Citations
2,436 Views
18 Pages

12 December 2020

Although the annual rainfall in Taiwan is high, water shortages still occasionally occur owing to its nonuniform temporal and spatial distribution. At these times, the groundwater is considered an acceptable alternative water source. Groundwater is o...

  • Article
  • Open Access
32 Citations
8,047 Views
22 Pages

Seasonal River Discharge Forecasting Using Support Vector Regression: A Case Study in the Italian Alps

  • Mattia Callegari,
  • Paolo Mazzoli,
  • Ludovica De Gregorio,
  • Claudia Notarnicola,
  • Luca Pasolli,
  • Marcello Petitta and
  • Alberto Pistocchi

22 May 2015

In this contribution we analyze the performance of a monthly river discharge forecasting model with a Support Vector Regression (SVR) technique in a European alpine area. We considered as predictors the discharges of the antecedent months, snow-cover...

  • Article
  • Open Access
12 Citations
5,282 Views
22 Pages

Citizen Science and the Sustainable Development Goals: Building Social and Technical Capacity through Data Collection in the Upper Blue Nile Basin, Ethiopia

  • Genevieve Rigler,
  • Zoi Dokou,
  • Fahad Khan Khadim,
  • Berhanu G. Sinshaw,
  • Daniel G. Eshete,
  • Muludel Aseres,
  • Wendale Amera,
  • Wangchi Zhou,
  • Xingyu Wang and
  • Emmanouil Anagnostou
  • + 6 authors

20 March 2022

Engaging youth and women in data-scarce, least developed countries (LDCs) is gaining attention in the Sustainable Development Goal (SDG) arena, as is using citizen science as a multi-faceted mechanism for data collection, engendering personal empower...

  • Article
  • Open Access
15 Citations
4,972 Views
16 Pages

Improving Seasonal Forecasts for Basin Scale Hydrological Applications

  • Manolis Grillakis,
  • Aristeidis Koutroulis and
  • Ioannis Tsanis

7 November 2018

Seasonal forecasting is a fast-growing climate prediction application that puts into practice the latest improvements in the climate modeling research. Skillful seasonal forecasts can drastically aid practical applications and productive sectors by r...

  • Review
  • Open Access
1 Citations
2,420 Views
28 Pages

11 October 2025

This Scoping Review methodically synthesizes methodological trends in predictive uncertainty (PU) quantification for short-to-seasonal hydrological modeling-based forecasting. The analysis encompasses 572 studies from 2017 to 2024, with the objective...

  • Proceeding Paper
  • Open Access
1 Citations
2,678 Views
7 Pages

Seasonal Forecast Climate Data and Hydropower Production in the Douro Basin, in Portugal

  • Paulo Alexandre Diogo,
  • Pedro Beça,
  • Sofia Simões,
  • Filipa Amorim and
  • Babar Mujtaba

The project CLIM2POWER aims at developing a climate service including state-of-the art seasonal climate forecasts in the planning of the operation of the power systems. This work presents part of the project, addressing the forecasting of the hydropo...

  • Perspective
  • Open Access
30 Citations
6,322 Views
12 Pages

A Vision for Hydrological Prediction

  • David A. Lavers,
  • Maria-Helena Ramos,
  • Linus Magnusson,
  • Ilias Pechlivanidis,
  • Bastian Klein,
  • Christel Prudhomme,
  • Louise Arnal,
  • Louise Crochemore,
  • Bart Van Den Hurk and
  • Florian Pappenberger
  • + 4 authors

28 February 2020

IMproving PRedictions and management of hydrological EXtremes (IMPREX) was a European Union Horizon 2020 project that ran from September 2015 to September 2019. IMPREX aimed to improve society’s ability to anticipate and respond to future extre...

  • Article
  • Open Access
21 Citations
3,073 Views
25 Pages

Impact of Geology on Seasonal Hydrological Predictability in Alpine Regions by a Sensitivity Analysis Framework

  • Maria Stergiadi,
  • Nicola Di Marco,
  • Diego Avesani,
  • Maurizio Righetti and
  • Marco Borga

11 August 2020

Catchment geology has a major influence on the relative impact of the main seasonal hydrological predictability sources (initial conditions (IC), climate forcing (CF)) on the forecast skill as it defines the system’s persistence. A quantificati...

  • Article
  • Open Access
463 Views
36 Pages

11 December 2025

Accurate daily runoff forecasting is essential for flood control and water resource management, yet existing models struggle with the seasonal non-stationarity and inter-basin variability of runoff sequences. This paper proposes a Season-Aware Ensemb...

  • Article
  • Open Access
3 Citations
2,007 Views
16 Pages

18 July 2024

Operational forecasters desire information about how their reservoir and riverine systems will evolve over monthly to seasonal timescales. Seasonal traces of hydrometeorological variables at a daily or sub-daily resolution are needed to drive hydrolo...

  • Article
  • Open Access
13 Citations
3,039 Views
15 Pages

9 November 2020

In the process of hydrological forecasting, there are uncertainties in data input, model parameters, and model structure, which cause a deterministic forecasting to fail to provide useful risk information to decision-makers. Therefore, the study of e...

  • Article
  • Open Access
6 Citations
3,203 Views
14 Pages

12 January 2021

Accurate seasonal streamflow forecasting is important in reservoir operation, watershed planning, and water resource management, and streamflow forecasting is often based on hydrological models driven by coupled global climate models (CGCMs). To unde...

  • Article
  • Open Access
9 Citations
3,121 Views
15 Pages

6 October 2020

This study developed a hydrological drought forecasting framework linked to the meteorological model and land surface model (LSM) considering hydrologic facilities and evaluated the feasibility of the Modified Surface Water Supply Index (MSWSI) for d...

  • Review
  • Open Access
24 Citations
4,809 Views
29 Pages

16 January 2024

Accurate forecasting in hydrologic modeling is crucial for sustainable water resource management across various sectors, where predicting extreme flow phases holds particular significance due to their severe impact on the territory. Due to the inhere...

  • Feature Paper
  • Article
  • Open Access
2,064 Views
20 Pages

18 August 2025

This study evaluates and corrects ECMWF precipitation forecasts (Set VI-ENS extended) over the confluence of Asian monsoons and westerlies, deriving a time series of correction factors for medium- and long-term hydrological forecasting. Based on a 15...

  • Article
  • Open Access
9 Citations
3,431 Views
15 Pages

The Value of Hydrologic Information in Reservoir Outflow Decision-Making

  • Kebing Chen,
  • Shenglian Guo,
  • Shaokun He,
  • Tao Xu,
  • Yixuan Zhong and
  • Sirui Sun

1 October 2018

The controlled outflows from a reservoir are highly dependent on the decisions made by the reservoir operators who mainly rely on available hydrologic information, such as past outflows, reservoir water level and forecasted inflows. In this study, Ra...

  • Article
  • Open Access
4 Citations
6,592 Views
23 Pages

9 September 2022

Hydrologic extreme events such as flooding impact people and the environment and delay sustainable development in flood-prone areas when it is excessive. The present study developed a seasonal floodwater forecast system for the Awash and Omo-Gibe bas...

  • Article
  • Open Access
22 Citations
7,298 Views
21 Pages

24 March 2023

Accurate precipitation forecasting is challenging, especially on the sub-seasonal to seasonal scale (14–90 days) which mandates the bias correction. Quantile mapping (QM) has been employed as a universal method of precipitation bias correction as it...

  • Article
  • Open Access
4 Citations
4,446 Views
15 Pages

Hydrological Forecasting under Climate Variability Using Modeling and Earth Observations in the Naryn River Basin, Kyrgyzstan

  • Merim Pamirbek kyzy,
  • Xi Chen,
  • Tie Liu,
  • Eldiiar Duulatov,
  • Akmal Gafurov,
  • Elvira Omorova and
  • Abror Gafurov

1 September 2022

The availability of water resources in Central Asia depends greatly on snow accumulation in the mountains of Tien-Shan and Pamir. It is important to precisely forecast water availability as it is shared by several countries and has a transboundary co...

  • Article
  • Open Access
873 Views
25 Pages

12 November 2025

The 2011 Great Flood in Thailand exposed critical deficiencies in water management across the Chao Phraya River Basin, particularly in controlling inflows and discharges from major reservoirs such as Sirikit and Bhumibol. Inadequate rainfall monitori...

  • Article
  • Open Access
11 Citations
3,229 Views
16 Pages

On the Operational Flood Forecasting Practices Using Low-Quality Data Input of a Distributed Hydrological Model

  • Binquan Li,
  • Zhongmin Liang,
  • Qingrui Chang,
  • Wei Zhou,
  • Huan Wang,
  • Jun Wang and
  • Yiming Hu

8 October 2020

Low-quality input data (such as sparse rainfall gauges, low spatial resolution soil type and land use maps) have limited the application of physically-based distributed hydrological models in operational practices in many data-sparse regions. It is n...

  • Article
  • Open Access
272 Views
25 Pages

Integrating Regressive and Probabilistic Streamflow Forecasting via a Hybrid Hydrological Forecasting System: Application to the Paraíba do Sul River Basin

  • Gutemberg Borges França,
  • Vinicius Albuquerque de Almeida,
  • Mônica Carneiro Alves Senna,
  • Enio Pereira de Souza,
  • Madson Tavares Silva,
  • Thaís Regina Benevides Trigueiro Aranha,
  • Maurício Soares da Silva,
  • Afonso Augusto Magalhães de Araujo,
  • Manoel Valdonel de Almeida and
  • Lude Quieto Viana
  • + 4 authors

13 January 2026

This study introduces the Hybrid Hydrological Forecast System (HHFS), a dual-stage, data-driven framework for monthly streamflow forecasting at the Santa Branca outlet in the upper Paraíba do Sul River Basin, Brazil. The system combines two no...

  • Article
  • Open Access
16 Citations
3,445 Views
18 Pages

Short-Term River Flow Forecasting Framework and Its Application in Cold Climatic Regions

  • Chiara Belvederesi,
  • John Albino Dominic,
  • Quazi K. Hassan,
  • Anil Gupta and
  • Gopal Achari

30 October 2020

Catchments located in cold weather regions are highly influenced by the natural seasonality that dictates all hydrological processes. This represents a challenge in the development of river flow forecasting models, which often require complex softwar...

  • Article
  • Open Access
39 Citations
5,836 Views
18 Pages

8 November 2018

Hydrologic models are an approximation of reality, and thus, are not able to perfectly simulate observed streamflow because of various sources of uncertainty. On the other hand, skillful operational hydrologic forecasts are vital in water resources e...

  • Article
  • Open Access
6 Citations
8,657 Views
20 Pages

13 March 2018

Accurate and timely precipitation forecasts are a key factor for improving hydrological forecasts. Therefore, it is fundamental to evaluate the skill of Numerical Weather Prediction (NWP) for precipitation forecasting. In this study, the Global Envir...

  • Article
  • Open Access
1 Citations
3,578 Views
17 Pages

25 July 2019

Reliable streamflow and flood-affected area forecasting is vital for flood control and risk assessment in the Brahmaputra River basin. Based on the satellite remote sensing from four observation sites and ground observation at the Bahadurabad station...

  • Article
  • Open Access
25 Views
46 Pages

22 January 2026

This paper reports the findings of the first initiative of developing a year-round streamflow forecasting system using the HBV hydrologic model in a data-scarce Ruvu catchment in Tanzania. Considering the importance of the Ruvu catchment as the main...

  • Article
  • Open Access
18 Citations
4,996 Views
27 Pages

29 August 2018

This study provides high-resolution modeling of daily water budget components at Hydrologic Unit Code (HUC)-12 resolution for 50 watersheds of the South Atlantic Gulf (SAG) region in the southeastern U.S. (SEUS) by implementing the Soil and Water Ass...

  • Article
  • Open Access
5 Citations
3,575 Views
13 Pages

Application of Entropy Spectral Method for Streamflow Forecasting in Northwest China

  • Gengxi Zhang,
  • Zhenghong Zhou,
  • Xiaoling Su and
  • Olusola O. Ayantobo

1 February 2019

Streamflow forecasting is vital for reservoir operation, flood control, power generation, river ecological restoration, irrigation and navigation. Although monthly streamflow time series are statistic, they also exhibit seasonal and periodic patterns...

  • Article
  • Open Access
45 Citations
11,099 Views
12 Pages

11 November 2017

A combined hydrological and hydraulic model is presented for flood prediction in Vietnam. This model is applied to the Huong river basin as a test case study. Observed flood flows and water surface levels of the 2002–2005 flood seasons are used for m...

  • Communication
  • Open Access
3 Citations
3,369 Views
12 Pages

GRACE Satellites Enable Long-Lead Forecasts of Mountain Contributions to Streamflow in the Low-Flow Season

  • Xingcai Liu,
  • Qiuhong Tang,
  • Seyed-Mohammad Hosseini-Moghari,
  • Xiaogang Shi,
  • Min-Hui Lo and
  • Bridget Scanlon

19 May 2021

Terrestrial water storage (TWS) in high mountain areas contributes large runoff volumes to nearby lowlands during the low-flow season when streamflow is critical to downstream water supplies. The potential for TWS from GRACE (Gravity Recovery and Cli...

  • Article
  • Open Access
6 Citations
5,647 Views
19 Pages

A Hybrid Method for the Run-Of-The-River Hydroelectric Power Plant Energy Forecast: HYPE Hydrological Model and Neural Network

  • Emanuele Ogliari,
  • Alfredo Nespoli,
  • Marco Mussetta,
  • Silvia Pretto,
  • Andrea Zimbardo,
  • Nicholas Bonfanti and
  • Manuele Aufiero

15 October 2020

The increasing penetration of non-programmable renewable energy sources (RES) is enforcing the need for accurate power production forecasts. In the category of hydroelectric plants, Run of the River (RoR) plants belong to the class of non-programmabl...

  • Article
  • Open Access
6 Citations
3,037 Views
24 Pages

Downscaling and Evaluation of Seasonal Climate Data for the European Power Sector

  • Jennifer Ostermöller,
  • Philip Lorenz,
  • Kristina Fröhlich,
  • Frank Kreienkamp and
  • Barbara Früh

26 February 2021

Within the Clim2Power project, two case studies focus on seasonal variations of the hydropower production in the river basins of the Danube (Germany/Austria) and the Douro (Portugal). To deliver spatially highly resolved climate data as an input for...

  • Article
  • Open Access
1 Citations
1,773 Views
17 Pages

Investigation of an Ensemble Inflow-Prediction System for Upstream Reservoirs in Sai River, Japan

  • Katsunori Tamakawa,
  • Shigeru Nakamura,
  • Cho Thanda Nyunt,
  • Tomoki Ushiyama,
  • Mohamed Rasmy,
  • Keijiro Kubota,
  • Asif Naseer,
  • Eiji Ikoma,
  • Toshihiro Nemoto and
  • Toshio Koike
  • + 1 author

11 September 2024

In this study, an ensemble inflow-prediction system was developed for a hydropower-generation dam in the upper Sai River basin, and the accuracy of ensemble inflow prediction, which is important for efficient dam operation, was investigated. First, t...

  • Article
  • Open Access
1 Citations
1,892 Views
25 Pages

Projected Hydrological Regime Shifts in Kazakh Rivers Under CMIP6 Climate Scenarios: Integrated Modeling and Seasonal Flow Analysis

  • Aliya Nurbatsina,
  • Aisulu Tursunova,
  • Lyazzat Makhmudova,
  • Zhanat Salavatova and
  • Fredrik Huthoff

29 August 2025

The article presents an analysis of current (during the period 1985–2022) and projected (during the period 2025–2099) changes in the hydrological regime of the Buktyrma, Yesil, and Zhaiyk river basins in Kazakhstan under the conditions of...

  • Article
  • Open Access
17 Citations
5,944 Views
24 Pages

28 March 2020

The complex terrain, seasonality, and cold region hydrology of the Nelson Churchill River Basin (NCRB) presents a formidable challenge for hydrological modeling, which complicates the calibration of model parameters. Seasonality leads to different hy...

  • Article
  • Open Access
26 Citations
5,123 Views
26 Pages

Research on the Data-Driven Quality Control Method of Hydrological Time Series Data

  • Qun Zhao,
  • Yuelong Zhu,
  • Dingsheng Wan,
  • Yufeng Yu and
  • Xifeng Cheng

23 November 2018

Ensuring the quality of hydrological data has become a key issue in the field of hydrology. Based on the characteristics of hydrological data, this paper proposes a data-driven quality control method for hydrological data. For continuous hydrological...

  • Article
  • Open Access
1 Citations
4,247 Views
8 Pages

15 August 2017

Agricultural non-point source (NPS) pollution is a source of water quality impairment, and demonstrates widely varying spatial and temporal pollution potential. Many efforts to protect water quality are based on seasonal and annual estimates of pollu...

  • Article
  • Open Access
10 Citations
3,934 Views
23 Pages

Hybrid Deep Learning and S2S Model for Improved Sub-Seasonal Surface and Root-Zone Soil Moisture Forecasting

  • Lei Xu,
  • Hongchu Yu,
  • Zeqiang Chen,
  • Wenying Du,
  • Nengcheng Chen and
  • Min Huang

5 July 2023

Surface soil moisture (SSM) and root-zone soil moisture (RZSM) are key hydrological variables for the agricultural water cycle and vegetation growth. Accurate SSM and RZSM forecasting at sub-seasonal scales would be valuable for agricultural water ma...

  • Feature Paper
  • Article
  • Open Access
14 Citations
5,181 Views
17 Pages

Reference Evapotranspiration Retrievals from a Mesoscale Model Based Weather Variables for Soil Moisture Deficit Estimation

  • Prashant K. Srivastava,
  • Dawei Han,
  • Aradhana Yaduvanshi,
  • George P. Petropoulos,
  • Sudhir Kumar Singh,
  • Rajesh Kumar Mall and
  • Rajendra Prasad

28 October 2017

Reference Evapotranspiration (ETo) and soil moisture deficit (SMD) are vital for understanding the hydrological processes, particularly in the context of sustainable water use efficiency in the globe. Precise estimation of ETo and SMD are required fo...

  • Article
  • Open Access
13 Citations
4,627 Views
31 Pages

15 October 2019

An implementation of bias correction and data assimilation using the ensemble Kalman filter (EnKF) as a procedure, dynamically coupled with the conceptual rainfall-runoff Hydrologiska Byråns Vattenbalansavdelning (HBV) model, was assessed for t...

  • Article
  • Open Access
22 Citations
3,845 Views
27 Pages

7 November 2024

Seasonal precipitation forecasting (SPF) is critical for effective water resource management and risk mitigation. Large-scale climate drivers significantly influence regional climatic patterns and forecast accuracy. This study establishes relationshi...

  • Article
  • Open Access
9 Citations
4,426 Views
27 Pages

Numerical Modeling of Flash Flood Risk Mitigation and Operational Warning in Urban Areas

  • Zhengyang Cheng,
  • Konstantine P. Georgakakos,
  • Cristopher R. Spencer and
  • Randall Banks

13 August 2022

This paper aims to demonstrate the research-to-application and operational use of numerical hydrologic and hydraulic modeling to (a) quantify potential flash flood risks in small urban communities with high spatial resolution; (b) assess the effectiv...

  • Article
  • Open Access
74 Citations
10,824 Views
21 Pages

A pair of hydro-meteorological modeling systems were calibrated and evaluated for the Ayalon basin in central Israel to assess the advantages and limitations of one-way versus two-way coupled modeling systems for flood prediction. The models used inc...

  • Article
  • Open Access
10 Citations
2,844 Views
27 Pages

Flood Modelling of the Zhabay River Basin Under Climate Change Conditions

  • Aliya Nurbatsina,
  • Zhanat Salavatova,
  • Aisulu Tursunova,
  • Iulii Didovets,
  • Fredrik Huthoff,
  • María-Elena Rodrigo-Clavero and
  • Javier Rodrigo-Ilarri

15 February 2025

Flood modelling in snow-fed river basins is critical for understanding the impacts of climate change on hydrological extremes. The Zhabay River in northern Kazakhstan exemplifies a basin highly vulnerable to seasonal floods, which pose significant ri...

  • Article
  • Open Access
21 Citations
8,121 Views
19 Pages

14 February 2019

Rainfall prediction is a fundamental process in providing inputs for climate impact studies and hydrological process assessments. Rainfall events are, however, a complicated phenomenon and continues to be a challenge in forecasting. This paper introd...

  • Article
  • Open Access
56 Citations
8,827 Views
27 Pages

11 February 2020

Projecting future hydrology for the mountainous, highly glaciated upper Indus basin (UIB) is a challenging task because of uncertainties in future climate projections and issues with the coverage and quality of available reference climatic data and h...

  • Article
  • Open Access
11 Citations
4,595 Views
17 Pages

Comparison of Precipitation and Streamflow Correcting for Ensemble Streamflow Forecasts

  • Yilu Li,
  • Yunzhong Jiang,
  • Xiaohui Lei,
  • Fuqiang Tian,
  • Hao Duan and
  • Hui Lu

9 February 2018

Meteorological centers constantly make efforts to provide more skillful seasonal climate forecast, which has the potential to improve streamflow forecasts. A common approach is to bias-correct the general circulation model (GCM) forecasts prior to ge...

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