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You searched for: Journal Hydrological sciences journal Remove constraint Journal: Hydrological sciences journal Publication Year 2021 Remove constraint Publication Year: 2021 Source 2021 v.66 no.4 Remove constraint Source: 2021 v.66 no.4
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1. A comparison between generalized least squares regression and top-kriging for homogeneous cross-correlated flood regions

Author:
Persiano, Simone; Salinas, Jose Luis; Stedinger, Jery Russell; Farmer, William H.; Lun, David; Viglione, Alberto; Blöschl, Günter; Castellarin, Attilio
Source:
Hydrological sciences journal 2021 v.66 no.4 pp. 565-579
ISSN:
2150-3435
Subject:
Monte Carlo method; data collection; hydrology; uncertainty; watersheds
Abstract:
... Spatial cross-correlation among flood sequences impacts the accuracy of regional predictors. Our study investigates this impact for two regionalization procedures, generalized least squares (GLS) regression and top-kriging (TK), which deal with cross-correlation in two fundamentally different ways and therefore might be associated with different accuracy and uncertainty of predicted flood quantile ...
DOI:
10.1080/02626667.2021.1879389

2. A methodology to downscale water demand data with application to the Andean region (Ecuador, Peru, Bolivia, Chile)

Author:
Zogheib, Charles; Ochoa-Tocachi, Boris F.; Moulds, Simon; Ossa-Moreno, Juan; Villacis, Marcos; Verano, Carlos; Buytaert, Wouter
Source:
Hydrological sciences journal 2021 v.66 no.4 pp. 630-639
ISSN:
2150-3435
Subject:
anthropogenic activities; climate; data collection; decision making; mountains; surface water; uncertainty; water management; water power; water shortages; Andes region; Bolivia; Chile; Ecuador; Peru
Abstract:
... Mountainous regions are a hotspot for water scarcity and anthropogenic pressure on water resources. Substantial uncertainty surrounds projections of future climate and water availability. Furthermore, quantitative and distributed data on water demand are generally scarce, dispersed, and highly heterogeneous. This forms a major bottleneck to studying water resources issues and developing strategies ...
DOI:
10.1080/02626667.2021.1890749

3. A multi-tracer approach for understanding the functioning of heterogeneous phreatic coastal aquifers in humid tropical zones

Author:
Campillo, Ana; Taupin, J. D.; Betancur, T.; Patris, N.; Vergnaud, V.; Paredes, V.; Villegas, P.
Source:
Hydrological sciences journal 2021 v.66 no.4 pp. 600-621
ISSN:
2150-3435
Subject:
aquifers; chlorofluorocarbons; dissolved carbon dioxide; groundwater; hydrodynamics; hydrogeochemistry; hydrolysis; saltwater intrusion; silicates; surface water; Colombia
Abstract:
... In many areas around the world, phreatic coastal aquifers are vulnerable to contamination and saltwater intrusion. This study aims to explore the hydrodynamic functioning of the coastal phreatic aquifer of the Urabá region, Colombia, based on the identification of hydrogeochemical processes and groundwater residence and transit times. Hydrodynamic data showed a fast response of the piezometric lev ...
DOI:
10.1080/02626667.2021.1882679

4. Benchmarking seasonal forecasting skill using river flow persistence in Irish catchments

Author:
Foran Quinn, Dáire; Murphy, Conor; Wilby, Robert L.; Matthews, Tom; Broderick, Ciaran; Golian, Saeed; Donegan, Seán; Harrigan, Shaun
Source:
Hydrological sciences journal 2021 v.66 no.4 pp. 672-688
ISSN:
2150-3435
Subject:
base flow; climatology; river flow; summer; watersheds; Ireland
Abstract:
... This study assesses the seasonal forecast skill of river flow persistence in 46 catchments representing a range of hydrogeological conditions across Ireland. Skill is evaluated against a climatology benchmark forecast and by examining correlations between predicted and observed flow anomalies. Forecasts perform best when initialized in drier summer months, 87% of which show greater skill relative ...
DOI:
10.1080/02626667.2021.1874612

5. Estimation of hydrogeological parameters using physically based hydrological modelling and lithology data in ungauged creek catchments of southern Taiwan

Author:
Hussain, Fiaz; Yu, Kai-Chun; Wu, Ray-Shyan
Source:
Hydrological sciences journal 2021 v.66 no.4 pp. 703-728
ISSN:
2150-3435
Subject:
aquifers; digital elevation models; hydraulic conductivity; lithology; stream flow; streams; Taiwan
Abstract:
... Streamflow recession analysis is widely used for estimating catchment-scale hydrogeological parameters in gauged catchments because of its low cost, ease of use, and efficiency in terms of results. In this work, however, the same methodology was applied to ungauged creek catchments, where low recession flows were simulated using physically based, semi-distributed, continuous hydrological modelling ...
DOI:
10.1080/02626667.2021.1889558

6. Generalized storage-reliability-yield framework for hydroelectric reservoirs

Author:
Efstratiadis, Andreas; Tsoukalas, Ioannis; Koutsoyiannis, Demetris
Source:
Hydrological sciences journal 2021 v.66 no.4 pp. 580-599
ISSN:
2150-3435
Subject:
energy; geometry; hydroelectric power; hydrology; rivers; water supply; Greece
Abstract:
... Although storage-reliability-yield (SRY) relationships have been widely used in the design and planning of water supply reservoirs, their application in hydroelectricity is practically nil. Here, we revisit the SRY analysis and seek its generic configuration for hydroelectric reservoirs, following a stochastic simulation approach. After defining key concepts and tools of conventional SRY studies, ...
DOI:
10.1080/02626667.2021.1886299

7. Hydrological responses to human-induced land use/land cover changes in the Gidabo River basin, Ethiopia

Author:
Aragaw, Henok Mekonnen; Goel, Manmohan Kumar; Mishra, Surendra Kumar
Source:
Hydrological sciences journal 2021 v.66 no.4 pp. 640-655
ISSN:
2150-3435
Subject:
Soil and Water Assessment Tool model; agricultural land; agroforestry; base flow; basins; evapotranspiration; grasslands; hydrologic cycle; land cover; land use; land use and land cover maps; rain; runoff; watersheds; Ethiopia
Abstract:
... Land-use/land-cover (LULC) changes in the Gidabo basin, Rift Valley, Ethiopia, have greatly affected the hydrology of the basin. This study integrates hydrological modelling with statistical analysis to evaluate the hydrological response of LULC changes during the period 1988–2018. Using the Soil and Water Assessment Tool (SWAT) and partial least squares regression (PLSR) models, the influences of ...
DOI:
10.1080/02626667.2021.1890328

8. Scaling lognormal water retention curves for dissimilar soils

Author:
Lakzaianpour, Gholam Hosian; Chari, Mohammad Mahdi; Tabatabaei, Seyed Mahmood; Afrasiab, Peyman
Source:
Hydrological sciences journal 2021 v.66 no.4 pp. 622-629
ISSN:
2150-3435
Subject:
hydrology; models; soil; system optimization; water content
Abstract:
... The main objective of the present research is scaling lognormal water retention curves for dissimilar soils. This method requires a reference curve and the amount of water content in a particular suction. The scaling factor in this method equals the log amount of moisture in a particular suction (e.g.) in the reference soil to the log amount of water content in the same suction in the soil. The pr ...
DOI:
10.1080/02626667.2021.1890750

9. Socio-hydrological agent-based modelling for analysing the impacts of supply enhancement strategies on the cap-and-trade scheme

Author:
Aghaie, Vahid; Afshar, Abbas; Alizadeh, Hosein
Source:
Hydrological sciences journal 2021 v.66 no.4 pp. 555-564
ISSN:
2150-3435
Subject:
basins; collective action; environmental markets; farmers; hydrologic models; issues and policy; society; socioeconomics; water shortages; Iran
Abstract:
... An agent-based model (ABM) is developed to explore the socio-hydrological and economic impacts of a water transfer project, as a supply enhancement strategy, on the cap-and-trade scheme, as a demand-side management practice, in Rafsanjan Plain, Iran. The modelling scheme benefits from a distributed groundwater model coupled with a socio-economic ABM to explore the social and economic impacts of th ...
DOI:
10.1080/02626667.2021.1888954

10. Stationary vs non-stationary modelling of flood frequency distribution across northwest England

Author:
Hesarkazzazi, Sina; Arabzadeh, Rezgar; Hajibabaei, Mohsen; Rauch, Wolfgang; Kjeldsen, Thomas R.; Prosdocimi, Ilaria; Castellarin, Attilio; Sitzenfrei, Robert
Source:
Hydrological sciences journal 2021 v.66 no.4 pp. 729-744
ISSN:
2150-3435
Subject:
climate; frequency distribution; rain; rivers; temperature; England
Abstract:
... Extraordinary flood events occurred recently in northwest England, with several severe floods in Cumbria, Lancashire and the Manchester area in 2004, 2009 and 2015. These clustered extraordinary events have raised the question of whether any changes in the magnitude and frequency of river flows in the region can be detected. For this purpose, the annual maximum series of 39 river gauging stations ...
DOI:
10.1080/02626667.2021.1884685

11. Streamflow estimation using satellite-retrieved water fluxes and machine learning technique over monsoon-dominated catchments of India

Author:
Dayal, Deen; Gupta, Praveen K.; Pandey, Ashish
Source:
Hydrological sciences journal 2021 v.66 no.4 pp. 656-671
ISSN:
2150-3435
Subject:
basins; evapotranspiration; hydrologic models; model validation; prediction; rivers; satellites; soil water; stream flow; time series analysis; India
Abstract:
... In this study, advanced scatterometer (ASCAT) soil moisture data is employed to compute the basin water index (BWI) over six river basins of India for 10 years (2007–2016). The BWI time series is assessed for the development of its relationship with observed streamflow. Further, a popular ensemble learning technique, random forest, is employed to compute the 10-d streamflow using the BWI time seri ...
DOI:
10.1080/02626667.2021.1889557

12. Uncertainty of potential evapotranspiration modelling in climate change impact studies on low flows in North America

Author:
Dallaire, Gabrielle; Poulin, Annie; Arsenault, Richard; Brissette, François
Source:
Hydrological sciences journal 2021 v.66 no.4 pp. 689-702
ISSN:
2150-3435
Subject:
climate; climate change; evapotranspiration; uncertainty; watersheds; Canada; Mexico
Abstract:
... This study investigates the uncertainty in hydroclimatic modelling chain components on future changes in potential evapotranspiration, specially on low flows, at the watershed scale. A large domain covering 2080 watersheds located in Canada, the United States and Mexico is studied. The outputs from eight global climate models are post-processed using two methods to produce climate scenarios that d ...
DOI:
10.1080/02626667.2021.1888955