Pub Date : 2023-03-28DOI: 10.1080/02626667.2023.2195558
K. Panjabi, R. Rudra, Rituraj Shukla, N. Shrestha, P. Goel, P. Daggupati, Bahram Gharabaghi
ABSTRACT Past studies described several dominant factors responsible for minimum runoff-generating areas (MRGAs) which are seldom backed by field observations. Here, soil moisture and runoff data for 45 rainfall events were collected from a small (21.62 ha) agricultural watershed in Ontario, Canada, using a remotely operated wireless sensor network system. The relationship developed between MRGA and basin moisture index (M) indicated that MRGAs are insensitive up to the threshold M value of 25 cm. A higher M leads to an exponential increase in the MRGA. Various factors (e.g. rainfall amount) affecting the spatiotemporal variability of MRGA were then identified. Statistical analyses (e.g. F-test) indicated a strong seasonal influence and showed that MRGA during spring, summer, and fall seasons was 34.3%, 8.0%, and 13.6%, respectively. The relationship of MRGA with rainfall amount, initial soil moisture content and rainfall intensity was the strongest for the summer season followed by fall and then spring.
{"title":"Spatiotemporal variability of minimum runoff generating areas: a field investigation","authors":"K. Panjabi, R. Rudra, Rituraj Shukla, N. Shrestha, P. Goel, P. Daggupati, Bahram Gharabaghi","doi":"10.1080/02626667.2023.2195558","DOIUrl":"https://doi.org/10.1080/02626667.2023.2195558","url":null,"abstract":"ABSTRACT Past studies described several dominant factors responsible for minimum runoff-generating areas (MRGAs) which are seldom backed by field observations. Here, soil moisture and runoff data for 45 rainfall events were collected from a small (21.62 ha) agricultural watershed in Ontario, Canada, using a remotely operated wireless sensor network system. The relationship developed between MRGA and basin moisture index (M) indicated that MRGAs are insensitive up to the threshold M value of 25 cm. A higher M leads to an exponential increase in the MRGA. Various factors (e.g. rainfall amount) affecting the spatiotemporal variability of MRGA were then identified. Statistical analyses (e.g. F-test) indicated a strong seasonal influence and showed that MRGA during spring, summer, and fall seasons was 34.3%, 8.0%, and 13.6%, respectively. The relationship of MRGA with rainfall amount, initial soil moisture content and rainfall intensity was the strongest for the summer season followed by fall and then spring.","PeriodicalId":55042,"journal":{"name":"Hydrological Sciences Journal-Journal Des Sciences Hydrologiques","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2023-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47189726","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-03-23DOI: 10.1080/02626667.2023.2193297
A. Jahanshahi, M. Booij
ABSTRACT This study investigates the controls that influence the spatial variability of event runoff coefficients (RCs) based on the comparative hydrology concept. We analysed 18 468 storm events in 963 Iranian catchments ranging in size from 101 to 8467 km2. The mean RCs vary spatially due to long-term hydro-climate conditions and other catchment descriptors (CDs). The controls on spatial variability of RCs are investigated using a correlation analysis of the statistical moments of the RCs and CDs. The results indicate (1) catchment elevation is the most important control on RCs at the country scale, and hydro-climatic attributes such as mean annual precipitation, ratio of actual evaporation to precipitation, and the ratio of potential evaporation to precipitation are other important controls on RCs; and (2) at the regional scale, catchment area is a major control on RCs, although it is not as important as hydro-climatic controls at the national scale.
{"title":"Exploring controls on rainfall–runoff events: spatial dynamics of event runoff coefficients in Iran","authors":"A. Jahanshahi, M. Booij","doi":"10.1080/02626667.2023.2193297","DOIUrl":"https://doi.org/10.1080/02626667.2023.2193297","url":null,"abstract":"ABSTRACT This study investigates the controls that influence the spatial variability of event runoff coefficients (RCs) based on the comparative hydrology concept. We analysed 18 468 storm events in 963 Iranian catchments ranging in size from 101 to 8467 km2. The mean RCs vary spatially due to long-term hydro-climate conditions and other catchment descriptors (CDs). The controls on spatial variability of RCs are investigated using a correlation analysis of the statistical moments of the RCs and CDs. The results indicate (1) catchment elevation is the most important control on RCs at the country scale, and hydro-climatic attributes such as mean annual precipitation, ratio of actual evaporation to precipitation, and the ratio of potential evaporation to precipitation are other important controls on RCs; and (2) at the regional scale, catchment area is a major control on RCs, although it is not as important as hydro-climatic controls at the national scale.","PeriodicalId":55042,"journal":{"name":"Hydrological Sciences Journal-Journal Des Sciences Hydrologiques","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2023-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45556959","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-03-21DOI: 10.1080/02626667.2023.2192874
Anelim Bernal-Mujica, Miguel A. Lovino, G. Müller, M. J. Pierrestegui
ABSTRACT This study reassesses the spatiotemporal variability of and changes in extreme precipitation events (EPEs) and examines the response of soil moisture and water table depth to EPEs in Argentina’s core crop region. Standardized nonparametric indices are applied to precipitation, soil moisture, and groundwater. The temporal variability of EPEs exhibits a decadal cycle and inter-annual modes with dominant frequencies between 2.5 and 4 years related to El Niño Southern Oscillation periodicities. The soil moisture and water table depth respond to precipitation variability replicating both decadal and inter-annual EPE variability. The response of soil moisture to EPEs attenuates in time as soil depth increases. Water table depth responds to EPEs with an average delay of 10 months. In recent decades, soil moisture increases (water table depth becomes shallower) rapidly when reacting to excess precipitation, while soil moisture decreases (water table depth deepens) slowly during and after drought events.
{"title":"Spatiotemporal variability of extreme precipitation events and their impacts on soil moisture and water table depth in Argentina’s core crop region","authors":"Anelim Bernal-Mujica, Miguel A. Lovino, G. Müller, M. J. Pierrestegui","doi":"10.1080/02626667.2023.2192874","DOIUrl":"https://doi.org/10.1080/02626667.2023.2192874","url":null,"abstract":"ABSTRACT This study reassesses the spatiotemporal variability of and changes in extreme precipitation events (EPEs) and examines the response of soil moisture and water table depth to EPEs in Argentina’s core crop region. Standardized nonparametric indices are applied to precipitation, soil moisture, and groundwater. The temporal variability of EPEs exhibits a decadal cycle and inter-annual modes with dominant frequencies between 2.5 and 4 years related to El Niño Southern Oscillation periodicities. The soil moisture and water table depth respond to precipitation variability replicating both decadal and inter-annual EPE variability. The response of soil moisture to EPEs attenuates in time as soil depth increases. Water table depth responds to EPEs with an average delay of 10 months. In recent decades, soil moisture increases (water table depth becomes shallower) rapidly when reacting to excess precipitation, while soil moisture decreases (water table depth deepens) slowly during and after drought events.","PeriodicalId":55042,"journal":{"name":"Hydrological Sciences Journal-Journal Des Sciences Hydrologiques","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2023-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45142194","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-03-21DOI: 10.1080/02626667.2023.2192352
Thang V. Le, D. D. Do, B. Nguyen
ABSTRACT Surface water quality in coastal regions may be degraded due to various pollution sources, including seawater intrusion, dependent on season and distance from the coastline. This study aimed to fractionate and quantify pollution sources affecting surface water quality in a coastal region of Vietnam. Between 2016 and 2020, 400 surface water samples were collected from 40 sites during dry and rainy seasons and analysed for 15 parameters. The results showed that four primary pollution sources – seawater intrusion, agricultural production, residential activities, and human activities impacting the hydrological system – may contribute to the degradation of water quality. Seawater intrusion contributed approximately 83.3% to the determination of water quality in dry seasons and 35.3% in rainy seasons. Water quality was more degraded in areas within 20 km of the coastline than in more distant areas. A management strategy should be developed and implemented to improve surface water quality for sustainable development.
{"title":"Spatiotemporal assessment and pollution-source identification and quantification of the surface water system in a coastal region of Vietnam","authors":"Thang V. Le, D. D. Do, B. Nguyen","doi":"10.1080/02626667.2023.2192352","DOIUrl":"https://doi.org/10.1080/02626667.2023.2192352","url":null,"abstract":"ABSTRACT Surface water quality in coastal regions may be degraded due to various pollution sources, including seawater intrusion, dependent on season and distance from the coastline. This study aimed to fractionate and quantify pollution sources affecting surface water quality in a coastal region of Vietnam. Between 2016 and 2020, 400 surface water samples were collected from 40 sites during dry and rainy seasons and analysed for 15 parameters. The results showed that four primary pollution sources – seawater intrusion, agricultural production, residential activities, and human activities impacting the hydrological system – may contribute to the degradation of water quality. Seawater intrusion contributed approximately 83.3% to the determination of water quality in dry seasons and 35.3% in rainy seasons. Water quality was more degraded in areas within 20 km of the coastline than in more distant areas. A management strategy should be developed and implemented to improve surface water quality for sustainable development.","PeriodicalId":55042,"journal":{"name":"Hydrological Sciences Journal-Journal Des Sciences Hydrologiques","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2023-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48077973","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-03-16DOI: 10.1080/02626667.2023.2190896
Xuefei Cui, Zhaocai Wang, Renlin Pei
ABSTRACT Accurate prediction of regional precipitation plays an important role in preventing natural disasters and protection of human life and property. In this study, non-linear monthly precipitation data are decomposed into multiple subsignal intrinsic mode functions (IMFs) with different central frequencies based on variational modal decomposition (VMD) to mine multi-scale features. Then, a hybrid model built with long short-term memory (LSTM) and the autoregressive integrated moving average model (ARIMA) is used to predict the residuals and IMFs. The hyperparameters of LSTM are optimized using the modified slime mould algorithm (MSMA) based on the adaptive strategy and spiral search. This study also utilizes the model to predict precipitation in two regions. The empirical results show the VMD-MSMA-LSTM-ARIMA model performs better and its prediction is more accurate compared with others. The deep learning model established in this study can provide some reference for the accurate prediction of future precipitation in different regions.
{"title":"A VMD-MSMA-LSTM-ARIMA model for precipitation prediction","authors":"Xuefei Cui, Zhaocai Wang, Renlin Pei","doi":"10.1080/02626667.2023.2190896","DOIUrl":"https://doi.org/10.1080/02626667.2023.2190896","url":null,"abstract":"ABSTRACT Accurate prediction of regional precipitation plays an important role in preventing natural disasters and protection of human life and property. In this study, non-linear monthly precipitation data are decomposed into multiple subsignal intrinsic mode functions (IMFs) with different central frequencies based on variational modal decomposition (VMD) to mine multi-scale features. Then, a hybrid model built with long short-term memory (LSTM) and the autoregressive integrated moving average model (ARIMA) is used to predict the residuals and IMFs. The hyperparameters of LSTM are optimized using the modified slime mould algorithm (MSMA) based on the adaptive strategy and spiral search. This study also utilizes the model to predict precipitation in two regions. The empirical results show the VMD-MSMA-LSTM-ARIMA model performs better and its prediction is more accurate compared with others. The deep learning model established in this study can provide some reference for the accurate prediction of future precipitation in different regions.","PeriodicalId":55042,"journal":{"name":"Hydrological Sciences Journal-Journal Des Sciences Hydrologiques","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2023-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43517909","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-03-09DOI: 10.1080/02626667.2023.2189522
Araya Hagos, B. Grum, Fiseha Gebru, Shishay Yemane, Solomon Berhane, M. Berhe, Sesen Tekleyohannes, Tesfahunegn Abera, Ashenafi Aregawi, B. Abebe
ABSTRACT This study investigated the effect of gravel and cobblestone road surfaces on runoff responses and sediment yield in semi-arid northern Ethiopia. A field experiment was set up with six treatments of gravel and cobblestone road surfaces at 1, 3 and 7% slope gradients. Cobblestone road surface produced significantly lower runoff than gravel. Slope gradient had a significant effect on the runoff amount from gravel and cobblestone road surfaces. Runoff reductions by cobblestone road surface compared to gravel at 1, 3 and 7% slopes were 27, 30 and 31%, respectively. Runoff coefficients for gravel road surface at 1, 3, and 7% slopes were 0.60, 0.65 and 0.68, respectively. Runoff coefficients for cobblestone at 1, 3 and 7% slopes were 0.41, 0.45 and 0.47, respectively. Slope gradient had a significant effect on sediment yield for a gravel road surface. Sediment yield from cobblestone, however, was insignificant compared to gravel.
{"title":"Runoff response and sediment yield from urban road surfaces: an experimental study in semi-arid northern Ethiopia","authors":"Araya Hagos, B. Grum, Fiseha Gebru, Shishay Yemane, Solomon Berhane, M. Berhe, Sesen Tekleyohannes, Tesfahunegn Abera, Ashenafi Aregawi, B. Abebe","doi":"10.1080/02626667.2023.2189522","DOIUrl":"https://doi.org/10.1080/02626667.2023.2189522","url":null,"abstract":"ABSTRACT This study investigated the effect of gravel and cobblestone road surfaces on runoff responses and sediment yield in semi-arid northern Ethiopia. A field experiment was set up with six treatments of gravel and cobblestone road surfaces at 1, 3 and 7% slope gradients. Cobblestone road surface produced significantly lower runoff than gravel. Slope gradient had a significant effect on the runoff amount from gravel and cobblestone road surfaces. Runoff reductions by cobblestone road surface compared to gravel at 1, 3 and 7% slopes were 27, 30 and 31%, respectively. Runoff coefficients for gravel road surface at 1, 3, and 7% slopes were 0.60, 0.65 and 0.68, respectively. Runoff coefficients for cobblestone at 1, 3 and 7% slopes were 0.41, 0.45 and 0.47, respectively. Slope gradient had a significant effect on sediment yield for a gravel road surface. Sediment yield from cobblestone, however, was insignificant compared to gravel.","PeriodicalId":55042,"journal":{"name":"Hydrological Sciences Journal-Journal Des Sciences Hydrologiques","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2023-03-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43611162","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-03-07DOI: 10.1080/02626667.2023.2185524
S. Deb Barma, A. Mahesha
ABSTRACT The research paper by Akçay et al. applied innovative polygon trend analysis (IPTA) to derive trend length/volume and trend slope between two consecutive months for rainfall/streamflow in the eastern Black Sea basin, Turkey. Although the trend length/volume equation is correct, the trend slope equation is fundamentally incorrect. A brief discussion is presented to apprise the research community of the correct trend slope equation.
{"title":"Discussion of “Innovative approaches to the trend assessment of streamflows in the Eastern Black Sea basin,Turkey”*","authors":"S. Deb Barma, A. Mahesha","doi":"10.1080/02626667.2023.2185524","DOIUrl":"https://doi.org/10.1080/02626667.2023.2185524","url":null,"abstract":"ABSTRACT The research paper by Akçay et al. applied innovative polygon trend analysis (IPTA) to derive trend length/volume and trend slope between two consecutive months for rainfall/streamflow in the eastern Black Sea basin, Turkey. Although the trend length/volume equation is correct, the trend slope equation is fundamentally incorrect. A brief discussion is presented to apprise the research community of the correct trend slope equation.","PeriodicalId":55042,"journal":{"name":"Hydrological Sciences Journal-Journal Des Sciences Hydrologiques","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2023-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43394563","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-03-07DOI: 10.1080/02626667.2023.2187296
Paul Voit, T. Francke, A. Bronstert
ABSTRACT Agricultural irrigation practices can account for a substantial proportion of the water budget in dryland environments. As the pressure on freshwater resources is growing in such environments, sustainable management of these resources is vital. Key issues need to be addressed: How does withdrawal for irrigation purposes alter a river’s flow regime and water yield? How can publicly available irrigation data help to improve the performance of hydrological models? A novel irrigation module was introduced to improve the performance of a mesoscale hydrological model Water Availability in Semi-Arid environments and Sediment transport (WASA-SED) and was tested on the hydrological upper mesoscale, as well as on a smaller sub-basin in a semi-arid catchment in the Rio São Francisco basin. We show that including irrigation practices into the modelling process especially helps to improve the quality of the modelled low flows during the dry season, where we achieved an improvement in the Root Mean Square Error (RMSE) of up to 19%.
在旱地环境中，农业灌溉可以占相当大的比例。由于这种环境对淡水资源的压力越来越大，对这些资源的可持续管理至关重要。需要解决的关键问题是:为了灌溉目的而取水是如何改变河流的流量和水量的?公开可用的灌溉数据如何有助于改善水文模型的性能?为了提高半干旱环境中水分有效性和泥沙运移(WASA-SED)的中尺度水文模型的性能，引入了一种新型灌溉模块，并在水文中尺度上层以及里约热内卢 o Francisco流域半干旱集水区的较小子流域进行了测试。我们表明，将灌溉实践纳入建模过程尤其有助于提高旱季低流量模型的质量，我们在均方根误差(RMSE)方面取得了高达19%的改进。
{"title":"Accounting for operational irrigation options in mesoscale hydrological modelling of dryland environments","authors":"Paul Voit, T. Francke, A. Bronstert","doi":"10.1080/02626667.2023.2187296","DOIUrl":"https://doi.org/10.1080/02626667.2023.2187296","url":null,"abstract":"ABSTRACT Agricultural irrigation practices can account for a substantial proportion of the water budget in dryland environments. As the pressure on freshwater resources is growing in such environments, sustainable management of these resources is vital. Key issues need to be addressed: How does withdrawal for irrigation purposes alter a river’s flow regime and water yield? How can publicly available irrigation data help to improve the performance of hydrological models? A novel irrigation module was introduced to improve the performance of a mesoscale hydrological model Water Availability in Semi-Arid environments and Sediment transport (WASA-SED) and was tested on the hydrological upper mesoscale, as well as on a smaller sub-basin in a semi-arid catchment in the Rio São Francisco basin. We show that including irrigation practices into the modelling process especially helps to improve the quality of the modelled low flows during the dry season, where we achieved an improvement in the Root Mean Square Error (RMSE) of up to 19%.","PeriodicalId":55042,"journal":{"name":"Hydrological Sciences Journal-Journal Des Sciences Hydrologiques","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2023-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46080659","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-03-07DOI: 10.1080/02626667.2023.2187298
J. Sedlacek, Z. Lenďáková, O. Bábek, J. Mirijovský, Ondřej Kielar, M. Žídek
ABSTRACT This article focuses on the need to improve current knowledge of sedimentation and erosion processes in small reservoirs using the example of the Pocheň reservoir (Czech Republic). We combined data from sediment cores with unmanned aerial vehicle imaging and ground-penetrating radar survey data. The results show a distinct sediment distribution, grain-size gradient, petrophysical properties, and geochemistry. Sediment thickness increases in the proximal-to-distal direction (from the inflow to the dam) with frequent erosion near the inflow, especially during floods. This contributed to the sediment relocation towards distal sites with a tendency towards downstream accretion. After reservoir flushing, sedimentation processes were replaced by drawdown-enhanced erosion. Considerable erosion occurred along a temporary drawdown channel, resulting in headward erosion and channel incision. Lateral erosion resulted in drawdown-channel widening. The most extensive lateral erosion took place in the middle part of the reservoir, where the channel created a complex multichannel-branched system.
{"title":"A comprehensive view of sedimentation and erosion processes in small reservoirs: a case study of the Pocheň reservoir, Czech Republic","authors":"J. Sedlacek, Z. Lenďáková, O. Bábek, J. Mirijovský, Ondřej Kielar, M. Žídek","doi":"10.1080/02626667.2023.2187298","DOIUrl":"https://doi.org/10.1080/02626667.2023.2187298","url":null,"abstract":"ABSTRACT This article focuses on the need to improve current knowledge of sedimentation and erosion processes in small reservoirs using the example of the Pocheň reservoir (Czech Republic). We combined data from sediment cores with unmanned aerial vehicle imaging and ground-penetrating radar survey data. The results show a distinct sediment distribution, grain-size gradient, petrophysical properties, and geochemistry. Sediment thickness increases in the proximal-to-distal direction (from the inflow to the dam) with frequent erosion near the inflow, especially during floods. This contributed to the sediment relocation towards distal sites with a tendency towards downstream accretion. After reservoir flushing, sedimentation processes were replaced by drawdown-enhanced erosion. Considerable erosion occurred along a temporary drawdown channel, resulting in headward erosion and channel incision. Lateral erosion resulted in drawdown-channel widening. The most extensive lateral erosion took place in the middle part of the reservoir, where the channel created a complex multichannel-branched system.","PeriodicalId":55042,"journal":{"name":"Hydrological Sciences Journal-Journal Des Sciences Hydrologiques","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2023-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47830286","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-03-07DOI: 10.1080/02626667.2023.2187297
T. Senbeta, Emila Karamuz, K. Kochanek, Jarosław Jan Napiórkowski, R. Romanowicz
ABSTRACT The spatiotemporal variations in the water balance caused by environmental changes lead to unsteady-state conditions with long- and short-term implications for social and economic conditions. The aim of this study is to extend the current knowledge of the Budyko approach in unsteady-state conditions and the importance of model structural uncertainties. We used three Budyko-based models (Turc-Pike, Zhang, Fu) with and without the concept of effective precipitation scenarios. The effective precipitation and model parameters were determined together during the calibration processes. The effective precipitation-based approach improved the model performance in predicting the annual water balance in most of the River Vistula catchment. We also discuss the importance of considering structural uncertainties in water balance modelling. Climate change is the main driver for the changes in the water balance of the River Vistula. The estimation of water balance dynamics, considering environmental changes, is essential to understand the changes in hydrological processes.
{"title":"Budyko-based approach for modelling water balance dynamics considering environmental change drivers in the Vistula River basin, Poland","authors":"T. Senbeta, Emila Karamuz, K. Kochanek, Jarosław Jan Napiórkowski, R. Romanowicz","doi":"10.1080/02626667.2023.2187297","DOIUrl":"https://doi.org/10.1080/02626667.2023.2187297","url":null,"abstract":"ABSTRACT The spatiotemporal variations in the water balance caused by environmental changes lead to unsteady-state conditions with long- and short-term implications for social and economic conditions. The aim of this study is to extend the current knowledge of the Budyko approach in unsteady-state conditions and the importance of model structural uncertainties. We used three Budyko-based models (Turc-Pike, Zhang, Fu) with and without the concept of effective precipitation scenarios. The effective precipitation and model parameters were determined together during the calibration processes. The effective precipitation-based approach improved the model performance in predicting the annual water balance in most of the River Vistula catchment. We also discuss the importance of considering structural uncertainties in water balance modelling. Climate change is the main driver for the changes in the water balance of the River Vistula. The estimation of water balance dynamics, considering environmental changes, is essential to understand the changes in hydrological processes.","PeriodicalId":55042,"journal":{"name":"Hydrological Sciences Journal-Journal Des Sciences Hydrologiques","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2023-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48619913","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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