Journal of Hydrology-Regional Studies最新文献_第5页

Quantifying propagation effects of climate and vegetation changes on evapotranspiration and streamflow signatures in Yarlung Tsangpo River Basin 量化气候和植被变化对雅鲁藏布江流域蒸散量和溪流特征的传播效应

IF 4.7 2区地球科学

Journal of Hydrology-Regional Studies Pub Date : 2024-10-21 DOI: 10.1016/j.ejrh.2024.102015

Qi Huang , Yongqiang Zhang , Congcong Li , Ning Ma

{"title":"Quantifying propagation effects of climate and vegetation changes on evapotranspiration and streamflow signatures in Yarlung Tsangpo River Basin","authors":"Qi Huang , Yongqiang Zhang , Congcong Li , Ning Ma","doi":"10.1016/j.ejrh.2024.102015","DOIUrl":"10.1016/j.ejrh.2024.102015","url":null,"abstract":"<div><h3>Study region</h3><div>Yarlung Tsangpo River basin (YTRB) went through significant increases in precipitation, temperature and leaf area index (LAI) during 1982–2018.</div></div><div><h3>Study focus</h3><div>This study aims to investigate the propagation effects of climate and vegetation change on actual evapotranspiration (AET) and streamflow signatures with simulation experiments using an improved hydrological model that couples a diagnostic evapotranspiration module.</div></div><div><h3>New hydrological insights</h3><div>The improved hydrological model performs well in simulating streamflow, actual evapotranspiration and most streamflow signatures in six subcatchments of upper Nuxia region of YTRB (e.g. median Nash-Sutcliffe Efficiency of daily streamflow larger than 0.72). Changes in AET and streamflow are dominated by the long-term increase in precipitation (P), followed by considerable influence from the increase in LAI and marginal influence from the increase in temperature. Increases in both P and LAI have increased AET but caused wetting and drying effects on streamflow, respectively. LAI-induced increase in transpiration and interception evaporation is partly offset by the decrease in soil evaporation, resulting in marginal changes in AET. Subsequently, changes in streamflow signatures are amplified when propagating from AET to streamflow signatures, especially for those reflecting frequency and duration. This study advanced the understanding of the propagation effect of climate and vegetation variables on AET and streamflow signatures.</div></div>","PeriodicalId":48620,"journal":{"name":"Journal of Hydrology-Regional Studies","volume":"56 ","pages":"Article 102015"},"PeriodicalIF":4.7,"publicationDate":"2024-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142534501","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Spatiotemporal patterns of pH related to streamflow variability, drought conditions, and bedrock lithology in acid sensitive streams within a humid, subtropical catchment: Mulberry River, Arkansas, USA 亚热带湿润集水区酸敏感溪流中 pH 值与溪流变化、干旱条件和基岩岩性的时空模式：美国阿肯色州桑树河

IF 4.7 2区地球科学

Journal of Hydrology-Regional Studies Pub Date : 2024-10-19 DOI: 10.1016/j.ejrh.2024.101992

Joshua M. Blackstock , Phillip R. Owens , Philip A. Moore , Max C.A. Torbenson , Amanda R. Ashworth , Kelsey R. Anderson , Jason Burgess-Conforti , Chris D. Delhom

{"title":"Spatiotemporal patterns of pH related to streamflow variability, drought conditions, and bedrock lithology in acid sensitive streams within a humid, subtropical catchment: Mulberry River, Arkansas, USA","authors":"Joshua M. Blackstock , Phillip R. Owens , Philip A. Moore , Max C.A. Torbenson , Amanda R. Ashworth , Kelsey R. Anderson , Jason Burgess-Conforti , Chris D. Delhom","doi":"10.1016/j.ejrh.2024.101992","DOIUrl":"10.1016/j.ejrh.2024.101992","url":null,"abstract":"<div><h3>Study region</h3><div>Mulberry River, Arkansas, USA</div></div><div><h3>Study focus</h3><div>Low alkalinity streams within siliciclastic dominated catchments like the Mulberry River in the south-central United States experience episodic acidification. Since 2009, reaches of the Mulberry River have been classified as impaired due to low pH. We hypothesize that if pH time series patterns are similar among tributaries, external watershed factors like seasonal weather may be related to low stream pH. We investigated pH variability in the Mulberry River watershed including changepoint detection analysis. Patterns of pH and changepoints were compared with streamflow variability and drought conditions using Palmer Drought Severity Index (PDSI).</div></div><div><h3>New hydrological insights for the region</h3><div>Changes in pH were near synchronous and similar magnitude across the study area, despite observed increases in median tributary pH from east to west. From the comparison of pH time series and PDSI, low pH values tended to occur during more negative PDSI, i.e. drier periods. The specific mechanisms driving low pH variability remain elusive, but we infer low stream pH is influenced, in part, by seasonal weather variability leading to drier watershed conditions and lower pH. The spatial variability of median pH values from east to west, though, are more related to spatial variability in bedrock lithology. We hypothesize other acid-sensitive streams in the region likely share similar pH behavior and with low pH occurring during drier periods.</div></div>","PeriodicalId":48620,"journal":{"name":"Journal of Hydrology-Regional Studies","volume":"56 ","pages":"Article 101992"},"PeriodicalIF":4.7,"publicationDate":"2024-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142534610","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Assessing the influences of future water development projects in Tekeze-Atbara-Setit basin on the Nile River inflow at Aswan, Egypt 评估 Tekeze-Atbara-Setit 流域未来水利开发项目对埃及阿斯旺尼罗河流入量的影响

IF 4.7 2区地球科学

Journal of Hydrology-Regional Studies Pub Date : 2024-10-19 DOI: 10.1016/j.ejrh.2024.102007

Ahmed M. Hafez, Mohammed Haggag, Ahmad Wagdy, Hany G. Radwan

{"title":"Assessing the influences of future water development projects in Tekeze-Atbara-Setit basin on the Nile River inflow at Aswan, Egypt","authors":"Ahmed M. Hafez, Mohammed Haggag, Ahmad Wagdy, Hany G. Radwan","doi":"10.1016/j.ejrh.2024.102007","DOIUrl":"10.1016/j.ejrh.2024.102007","url":null,"abstract":"<div><h3>Study region</h3><div>The Tekeze-Atbara-Setit (TAS) basin as a portion of the Eastern Nile Basin (ENB) in Africa.</div></div><div><h3>Study focus</h3><div>ENB consists of four sub-basins; one of them is the Tekeze-Atbara-Setit basin. TAS basin is subject to future water development projects, including irrigation projects and hydropower dams. Potential impacts of these projects need to be assessed regarding the inflow and hydroelectric generation at Egypt's High Aswan Dam (HAD).</div></div><div><h3>New hydrological insights for the region</h3><div>Two models are coupled offline; The Soil Water Assessment Tool (SWAT) model and HEC-Reservoir Simulation Model (HEC-ResSim). Base-case scenario is created without the expected future projects, in addition to five additional scenarios representing hydropower and irrigation projects. The maximum annual inflow at HAD declines by 1.6 km<sup>3</sup> in the hydropower scenarios, while the produced power at HAD descends by 9.5 %. The maximum reduction in the annual inflow for hydropower and irrigation projects scenario at HAD is 4.63 km<sup>3</sup> and 35.2 % for power reduction. Finally, the proposed future development project in TAS basin will have negative impacts on the flow, and generated hydropower at HAD in Egypt.</div></div>","PeriodicalId":48620,"journal":{"name":"Journal of Hydrology-Regional Studies","volume":"56 ","pages":"Article 102007"},"PeriodicalIF":4.7,"publicationDate":"2024-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142535148","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Impacts of external factors in salinity patterns via numerical modeling along the Scheldt Estuary, Belgium 通过数值建模研究外部因素对比利时斯海尔德河口盐度模式的影响

IF 4.7 2区地球科学

Journal of Hydrology-Regional Studies Pub Date : 2024-10-19 DOI: 10.1016/j.ejrh.2024.102026

Boli Zhu, Danitza Salazar, Patrick Willems

{"title":"Impacts of external factors in salinity patterns via numerical modeling along the Scheldt Estuary, Belgium","authors":"Boli Zhu, Danitza Salazar, Patrick Willems","doi":"10.1016/j.ejrh.2024.102026","DOIUrl":"10.1016/j.ejrh.2024.102026","url":null,"abstract":"<div><h3>Study region:</h3><div>The Scheldt Estuary in Belgium</div></div><div><h3>Study focus:</h3><div>Understanding the mechanisms that control salt intrusion in estuaries is crucial due to its significant impact on the ecological environment and the water resource potential of estuaries. This study utilizes the Mike11 model to perform discharge (Q), water level (WL), and salinity (S) simulations in the reference and three future scenarios with sea level (SL) rise and Q reduction. A comparative analysis is conducted to evaluate the impact of individual and combined external factors (Q and WL) in the high-risk scenario S2.</div></div><div><h3>New hydrological insights for the regions:</h3><div>Results demonstrate that the midstream S is more sensitive to climate change compared to the upstream, leading to a transition of dominance from the freshwater zone to the mesohaline zone. The temporal evolution of S longitudinal structure exhibits significant variations throughout the year, showing increasing saltwater intrusion distance as the scenario intensify, particularly in seasonally low river flow period. It is also found that the combined effects of external factors on variable S demonstrate complex interactions, yielding varying sensitivities across different regions, rather than simply being the sum of individual factor impacts. Additionally, the correlations analysis indicates robust negative associations between upstream Q and S, and intricate and weak positive relationships between downstream WL and S.</div></div>","PeriodicalId":48620,"journal":{"name":"Journal of Hydrology-Regional Studies","volume":"56 ","pages":"Article 102026"},"PeriodicalIF":4.7,"publicationDate":"2024-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142535147","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The influence of astronomical tide phases on urban flooding during rainstorms: Application to Macau 天文潮汐相位对暴雨期间城市内涝的影响：在澳门的应用

IF 4.7 2区地球科学

Journal of Hydrology-Regional Studies Pub Date : 2024-10-19 DOI: 10.1016/j.ejrh.2024.101998

Lirong Dong , Jiahong Liu , Jinjun Zhou , Chao Mei , Hao Wang , Jia Wang , Hongyuan Shi , Sana Nazli

{"title":"The influence of astronomical tide phases on urban flooding during rainstorms: Application to Macau","authors":"Lirong Dong , Jiahong Liu , Jinjun Zhou , Chao Mei , Hao Wang , Jia Wang , Hongyuan Shi , Sana Nazli","doi":"10.1016/j.ejrh.2024.101998","DOIUrl":"10.1016/j.ejrh.2024.101998","url":null,"abstract":"<div><h3>Study region</h3><div>The study area is the western part of the Macau Peninsula in China, with an area of 4.06 km<sup>2</sup>.</div></div><div><h3>Study focus</h3><div>This study developed a coupled hydrological-hydraulic model that simulates the two-dimensional (2D) surface flow and one-dimensional (1D) drain pipe flow of compound inundation. The model was applied to Macau, China, as a study area, and the typhoon Mangkhut in 2018 was used as a case study to validate the model’s performance. Simulating compound inundation scenarios of extreme rainfall and astronomical tide and exploring the influence of astronomical tide on coastal urban inundation.</div></div><div><h3>New hydrological insights for the region</h3><div>Urban flood disasters are profoundly influenced by tidal levels, albeit the height of tides alone does not solely exacerbate the phenomenon. Rather, the phase of astronomical tides during rainfall also plays a crucial role in determining the severity of urban flooding. This research has revealed that when rainfall synchronizes with the recession phase of the spring tide, urban flooding conditions become acute, 17.66 % increase in total surface water volume for the scenario with the highest tidal level impact compared to the scenario with the lowest tidal level impact. This paper presents the response of coastal cities to the flooding process under different combined rainstorm-astronomical tide scenarios, to provide scientific guidance for disaster preparedness planning in coastal areas, and to improve the resilience of disasters.</div></div>","PeriodicalId":48620,"journal":{"name":"Journal of Hydrology-Regional Studies","volume":"56 ","pages":"Article 101998"},"PeriodicalIF":4.7,"publicationDate":"2024-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142534613","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Enhancing water management in Northern European lowland chalk streams: A parsimonious, high-resolution hydrological model using groundwater level as a proxy for baseflow 加强北欧低地白垩溪流的水资源管理：使用地下水位作为基流替代物的简易高分辨率水文模型

IF 4.7 2区地球科学

Journal of Hydrology-Regional Studies Pub Date : 2024-10-19 DOI: 10.1016/j.ejrh.2024.102022

Thomas Homan , Nicholas J.K. Howden , Ruth Barden , Barbara Kasprzyk-Hordern , Jan Hofman

{"title":"Enhancing water management in Northern European lowland chalk streams: A parsimonious, high-resolution hydrological model using groundwater level as a proxy for baseflow","authors":"Thomas Homan , Nicholas J.K. Howden , Ruth Barden , Barbara Kasprzyk-Hordern , Jan Hofman","doi":"10.1016/j.ejrh.2024.102022","DOIUrl":"10.1016/j.ejrh.2024.102022","url":null,"abstract":"<div><h3>Study region</h3><div>The River Frome, a chalk stream in West Dorset, UK.</div></div><div><h3>Study focus</h3><div>High-resolution hydrological models are required to integrate with the current wave of high-frequency data and advance our understanding of pollutant sources, pathways, and sinks. This presents several challenges in chalk streams, as their high-permeability and unique hydrogeological characteristics often leads to complex models that are overparameterized and computationally burdensome. In this article, we develop a novel and parsimonious modelling approach to describe the surface hydrology for a chalk stream in high resolution (15-minute frequency, ≤ 100 m cross-section spacing), using groundwater levels as a proxy for spring discharges.</div></div><div><h3>New hydrological insights for the region</h3><div>Our results show that chalk stream dry-weather flows can be simulated accurately and parsimoniously at high-resolution (Nash-Sutcliffe efficiency = 0.97, mean relative error = 2.86 %, for a five-year period). We also show that spring discharges are the dominant form of flow accretion in all seasons and are critical to dilute sewage treatment inputs during the ecological growing season, whilst runoff and quick-flow pathways in the river valley corridor contribute a small proportion to annual flow accretion (< 5.2 %). Due to its simplicity and few parameters to calibrate, this modelling approach has broad applicability in lowland permeable catchments. Management implications include expeditious investigations of high-resolution freshwater quality responses to pollution and informing abstraction limits to sustain robust ecological conditions.</div></div>","PeriodicalId":48620,"journal":{"name":"Journal of Hydrology-Regional Studies","volume":"56 ","pages":"Article 102022"},"PeriodicalIF":4.7,"publicationDate":"2024-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142534500","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Accuracy evaluation and comparison of GSMaP series for retrieving precipitation on the eastern edge of the Qinghai-Tibet Plateau 用于青藏高原东部边缘降水量检索的全球降水测绘卫星系列的精度评估和比较

IF 4.7 2区地球科学

Journal of Hydrology-Regional Studies Pub Date : 2024-10-19 DOI: 10.1016/j.ejrh.2024.102017

Chun Zhou , Li Zhou , Juan Du , JiaJia Yue , Tianqi Ao

{"title":"Accuracy evaluation and comparison of GSMaP series for retrieving precipitation on the eastern edge of the Qinghai-Tibet Plateau","authors":"Chun Zhou , Li Zhou , Juan Du , JiaJia Yue , Tianqi Ao","doi":"10.1016/j.ejrh.2024.102017","DOIUrl":"10.1016/j.ejrh.2024.102017","url":null,"abstract":"<div><h3>Study Region</h3><div>Min River Basin on the eastern Qinghai-Tibet Plateau.</div></div><div><h3>Study Focus</h3><div>Precipitation is critical for hydrological processes, making accurate data essential for water management and flood forecasting. Satellite precipitation products offer valuable high-resolution spatiotemporal information, with the GSMaP series being widely used. However, comprehensive evaluations of different versions are limited. This study assesses the accuracy of Gauge and MVK products (versions 06, 07, and 08) across spatial and temporal scales and evaluates their performance in detecting precipitation events of varying intensities.</div></div><div><h3>New Hydrological Insights for the Study Region</h3><div>(1) GSMaP versions 06 and 07 exhibit higher detection rates for precipitation events, with POD values exceeding 0.8, while version 08 has a lower false alarm rate, with FAR values below 0.15. (2) GSMaP products are more successful in capturing precipitation events during the rainy season than the dry season. (3) With increasing elevation, the Gauge product consistently maintains a high hit rate and reduced false alarm rate, whereas the MVK product's hit rates improve. (4) For different rainfall intensities, GSMaP products more accurately detect moderate and heavy rain events, with the Gauge product outperforming the MVK product in terms of accuracy. These insights enhance the understanding of GSMaP product performance on eastern edge of the Qinghai-Tibet Plateau, aiding in improved water management practices.</div></div>","PeriodicalId":48620,"journal":{"name":"Journal of Hydrology-Regional Studies","volume":"56 ","pages":"Article 102017"},"PeriodicalIF":4.7,"publicationDate":"2024-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142534499","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Using reanalysis precipitation data for developing intensity-duration-frequency curves in a poorly gauged city 利用再分析降水量数据绘制一个测量条件较差城市的降水强度-持续时间-频率曲线

IF 4.7 2区地球科学

Journal of Hydrology-Regional Studies Pub Date : 2024-10-19 DOI: 10.1016/j.ejrh.2024.102005

Frank Joseph Wambura

{"title":"Using reanalysis precipitation data for developing intensity-duration-frequency curves in a poorly gauged city","authors":"Frank Joseph Wambura","doi":"10.1016/j.ejrh.2024.102005","DOIUrl":"10.1016/j.ejrh.2024.102005","url":null,"abstract":"<div><h3>Study region</h3><div>The Msimbazi River catchment traversing Dar es Salaam city in east-central Tanzania.</div></div><div><h3>Study focus</h3><div>The lack of high-resolution rainfall data in cities in developing countries hinders the development of suitable intensity–duration–frequency (IDF) curves for designing and evaluating hydraulic structures. Thus, this study investigated the potential of relatively high-resolution reanalysis precipitation data for developing IDF curves in the poorly gauged Msimbazi River catchment in Dar es Salaam city. The time series of hourly ERA5-Land reanalysis precipitation data were used to generate the annual maximum series at four selected points in the river catchment. These were subsequently bias-corrected using parameters derived from limited observed rainfall data. The bias-corrected annual maximum series of reanalysis precipitation (AMSRP) data were fitted with the best probability distribution functions, which were then used to estimate quantiles of IDF curves for various annual exceedance probabilities.</div></div><div><h3>New hydrological insights</h3><div>The findings revealed that uncorrected AMSRP data would have underestimated rainfall intensities in this region by a factor of two to six. Different areas in the Msimbazi River catchment have different rainfall distributions and IDF curves. Thus, no single set of IDF curves can represent rainfall intensities in the entire river catchment. Due to the potential of relatively high-resolution reanalysis precipitation data, designs and evaluations of hydraulic structures in poorly gauged cities are encouraged to use bias-corrected and location-specific IDF curves.</div></div>","PeriodicalId":48620,"journal":{"name":"Journal of Hydrology-Regional Studies","volume":"56 ","pages":"Article 102005"},"PeriodicalIF":4.7,"publicationDate":"2024-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142534609","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A parsimonious model for springs discharge reconstruction and forecast for drought management: Lessons from a case study in Central Italy 为干旱管理重建和预测泉水排放的简易模型：意大利中部案例研究的启示

IF 4.7 2区地球科学

Journal of Hydrology-Regional Studies Pub Date : 2024-10-18 DOI: 10.1016/j.ejrh.2024.102021

N. Guyennon , S. Passaretti , C. Mineo , E. Boscariol , A.B. Petrangeli , A. Varriale , E. Romano

{"title":"A parsimonious model for springs discharge reconstruction and forecast for drought management: Lessons from a case study in Central Italy","authors":"N. Guyennon , S. Passaretti , C. Mineo , E. Boscariol , A.B. Petrangeli , A. Varriale , E. Romano","doi":"10.1016/j.ejrh.2024.102021","DOIUrl":"10.1016/j.ejrh.2024.102021","url":null,"abstract":"<div><h3>Study region</h3><div>Karst springs located in Central Apennine ridge (Central Italy), in the Tiber River basin.</div></div><div><h3>Study focus</h3><div>The assessment of water availability is a key issue in a water supply system because of increasing drought and water scarcity events. Analysing and predicting the dynamic behaviour of groundwater resources is challenging to conceptualize and model, especially in poorly-monitored systems. A parsimonious model based on linear regression between the monthly spring discharge time series and Standardized Precipitation Index is proposed. The model is conceived for management purposes and suitable for users with a limited background in modelling techniques, who can take advantage from an initial knowledge of the aquifers hydrological regime.</div></div><div><h3>New hydrological insights for the region</h3><div>The model developed for long-term monitored springs is used to reconstruct the historical groundwater hydrographs and to make predictions for poorly-monitored springs with similar properties, exploiting the “similarity principle”. Results highlight the notable performance of this approach, which represents a useful tool for overcoming the limitations in spring discharge monitoring networks. Moreover, the tool is used to test forecast performance enabling water managers to develop a monthly early-warning system fostering a sustainable water resource exploitation and limiting the critical issues of the water supply system, especially during drought periods. Results are discussed from the perspective of the water utilities entrusted to manage their resources in the study region.</div></div>","PeriodicalId":48620,"journal":{"name":"Journal of Hydrology-Regional Studies","volume":"56 ","pages":"Article 102021"},"PeriodicalIF":4.7,"publicationDate":"2024-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142534612","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Changes of blue and green water in arid inland dissipation area based on coupled surface water and groundwater model 基于地表水和地下水耦合模型的干旱内陆消落区蓝水和绿水的变化

IF 4.7 2区地球科学

Journal of Hydrology-Regional Studies Pub Date : 2024-10-18 DOI: 10.1016/j.ejrh.2024.102010

Lu Wang , Feilong Jie , Bing He

{"title":"Changes of blue and green water in arid inland dissipation area based on coupled surface water and groundwater model","authors":"Lu Wang , Feilong Jie , Bing He","doi":"10.1016/j.ejrh.2024.102010","DOIUrl":"10.1016/j.ejrh.2024.102010","url":null,"abstract":"<div><h3>Study region</h3><div>The Mainstream in the Tarim River Basin, Southern Xinjiang, China</div></div><div><h3>Study focus</h3><div>Climate change and human activities have significantly altered the water cycle, and water security evaluation and management are urgent. In arid and semi-arid areas, the assessment of blue and green water is particularly important. In this study, the MIKE SHE model is used to simulate the spatial and temporal changes of blue and green water resources in the mainstream of the Tarim River Basin (TRB) from 1990 to 2050 under land use and climate change conditions. The scarcity and vulnerability of blue-green water are introduced to evaluate the water security of the basin. The impacts of different land uses on blue-green water resources were also calculated according to the model zoning.</div></div><div><h3>New hydrological insights for the region</h3><div>The results indicate that from 1990 to 2050, blue water resources show a spatial pattern of gradual decrease from upstream to downstream. Compared to blue water, green water is dispersed more evenly over space. Future climatic scenarios will impact water security, as will changes in blue and green water security in terms of time and space. By comparing the influence of ecological water transport on the change of blue and green water before and after 2000, it was found that environmental water transport plays a certain role in improving the blue water scarcity in downstream of the TRB. The study is significant in maintaining regional water security and ecosystem stability.</div></div>","PeriodicalId":48620,"journal":{"name":"Journal of Hydrology-Regional Studies","volume":"56 ","pages":"Article 102010"},"PeriodicalIF":4.7,"publicationDate":"2024-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142444930","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0