Journal of Hydrology-Regional Studies最新文献_第8页

Modeling present and future flows in a tailings pile at the former Le Cellier uranium mine (France) 模拟前 Le Cellier 铀矿尾矿堆（法国）目前和未来的流动情况

IF 4.7 2区地球科学

Journal of Hydrology-Regional Studies Pub Date : 2024-10-09 DOI: 10.1016/j.ejrh.2024.101984

Pierre L’Hermite , Anne Jost , Valérie Plagnes , Yifan Wang , Isabelle Blanc-Potard , Damien Regnier , Michael Descostes

{"title":"Modeling present and future flows in a tailings pile at the former Le Cellier uranium mine (France)","authors":"Pierre L’Hermite , Anne Jost , Valérie Plagnes , Yifan Wang , Isabelle Blanc-Potard , Damien Regnier , Michael Descostes","doi":"10.1016/j.ejrh.2024.101984","DOIUrl":"10.1016/j.ejrh.2024.101984","url":null,"abstract":"<div><h3>Study region</h3><div>The former uranium mine near Le Cellier, France represents an opportunity to investigate unsaturated flow in real conditions through a tailings pile resulting from heap leaching. Sustainable water management requires the understanding of its flows, to limit chemical reactions and avoid the migration of contaminants into the environment.</div></div><div><h3>Study focus</h3><div>Daily monitoring of drain discharge and monthly monitoring of physicochemical parameters at the pile outlet provide reliable information on how fast the pile reacts to precipitation. A two-dimensional dual-porosity model was developed with HYDRUS 2D at a daily time step. The model integrates a simple representation of material heterogeneity, based on a sieve analysis, and the vegetation transpiration due to the presence of bushes and coniferous trees on the surface of the pile. Climate change may affect the recharge and discharge over the next 100 years with median annual discharge varying between +4.4 % and −12 % depending on greenhouse gas emission scenarios.</div></div><div><h3>New hydrological insights of the region</h3><div><em>:</em> The calibrated model correctly simulates water discharge at the pile outlet and allows its simulation under climate change. Discharge simulations show that effluents generated during events below the 200-year return period rainfall events could be stored in a buffer basin to avoid any environmental contamination. These simulations are essential to ensure sustainable future water management at this former mining site.</div></div>","PeriodicalId":48620,"journal":{"name":"Journal of Hydrology-Regional Studies","volume":"56 ","pages":"Article 101984"},"PeriodicalIF":4.7,"publicationDate":"2024-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142419079","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

Whether higher risk indicates severe loss in the flood disaster assessment: A comparative analysis in the Hubei province of central China 在洪水灾害评估中，风险越高是否意味着损失越严重：中国中部湖北省的比较分析

IF 4.7 2区地球科学

Journal of Hydrology-Regional Studies Pub Date : 2024-10-09 DOI: 10.1016/j.ejrh.2024.102002

Guizhen Guo , Yang Gao , Kun Sun

{"title":"Whether higher risk indicates severe loss in the flood disaster assessment: A comparative analysis in the Hubei province of central China","authors":"Guizhen Guo , Yang Gao , Kun Sun","doi":"10.1016/j.ejrh.2024.102002","DOIUrl":"10.1016/j.ejrh.2024.102002","url":null,"abstract":"<div><h3>Study region</h3><div>Hubei province, Yangtze River Basin, Central China</div></div><div><h3>Study focus</h3><div>Risk and loss analysis constitutes a critical element of flood disaster management. Nevertheless, the relationship between risk and loss has been infrequently examined in the literature. Here we developed a comparative analysis framework for assessing flood risk and loss in Hubei Province. The risk model incorporates 22 indicators in terms of hazard, exposure, vulnerability and emergency response & recovery capability. Indicator weights were determined through a combination of objective and subjective weighting methods based on the game theory. Flood risk and loss levels were classified using fuzzy comprehensive evaluation and grey correlation analysis respectively.</div></div><div><h3>New hydrological insights</h3><div>Annual risk and loss maps exhibit a spatial pattern of higher levels in the eastern regions and lower levels in the western regions. However, the relationship between risk and loss was not as well as expected during designated flood periods. While regions impacted by disasters typically demonstrated higher risk levels, the risk in the regions unaffected by flood disasters appeared to be overestimated. By analyzing flood risk and loss across various temporal scales, this research contributes a novel perspective for the evaluation of flood risk models.</div></div>","PeriodicalId":48620,"journal":{"name":"Journal of Hydrology-Regional Studies","volume":"56 ","pages":"Article 102002"},"PeriodicalIF":4.7,"publicationDate":"2024-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142419080","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

Rising lake levels in central East Africa are driven by increasing rainfall and land-use intensification 东非中部湖泊水位上升的原因是降雨量增加和土地使用集约化

IF 4.7 2区地球科学

Journal of Hydrology-Regional Studies Pub Date : 2024-10-08 DOI: 10.1016/j.ejrh.2024.101999

Aidan Byrne , Ken Norris , Michael A. Chadwick , Sean Avery , Lydia Olaka , Emma J. Tebbs

{"title":"Rising lake levels in central East Africa are driven by increasing rainfall and land-use intensification","authors":"Aidan Byrne , Ken Norris , Michael A. Chadwick , Sean Avery , Lydia Olaka , Emma J. Tebbs","doi":"10.1016/j.ejrh.2024.101999","DOIUrl":"10.1016/j.ejrh.2024.101999","url":null,"abstract":"<div><h3>Study region</h3><div>375 lakes across the East African Rift System</div></div><div><h3>Study focus</h3><div>East African Rift System lakes provide a critical region of freshwater biodiversity and support the livelihoods of millions of people. Since 2010, water levels have risen at many Kenyan Rift System lakes flooding settlements, destroying infrastructure and impacting biodiversity, whereas several Ethiopian lakes experienced declining water levels, threatening water availability. However, water storage changes have not been quantified and the drivers of hydrological change have not been assessed on a regional scale. Here, we used satellite Earth observation and open-access data products to quantify changes in lake water volumes, total catchment water storage anomalies and environmental drivers for 375 lakes across the East African Rift System from 2000 to 2023.</div></div><div><h3>New hydrological insights for the region</h3><div>Water storage increased across central East Africa and declined in the south of the Rift System, with lake surface areas increasing by a total of 71,822 km<sup>2</sup> and water volumes increasing by 1375.2 km<sup>3</sup>. Increasing rainfall (Coef = 1.775, SE = 0.571, p = 0.002) and urban development (Coef = 6.270, SE = 2.260, p = 0.006) caused expanding lake surface areas, whereas population growth within catchments reduced both lake surface areas (Coef = −7.023, SE = 2.210, p = 0.002) and water volumes (Coef = −8.735, SE = 3.578, p = 0.020). Increasing rainfall trends (Coef = 4.454, SE = 1.733, p = 0.020) and the expansion of catchment forest cover (Coef = 11.284, SE = 5.263, p = 0.047) facilitated greater water storage within lake basins. With more extreme wet seasons and longer dry seasons predicted for East Africa under climate change, sustainable catchment management is required to mitigate both future flooding and drought events.</div></div>","PeriodicalId":48620,"journal":{"name":"Journal of Hydrology-Regional Studies","volume":"56 ","pages":"Article 101999"},"PeriodicalIF":4.7,"publicationDate":"2024-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142419084","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

Baseflow characteristics and drivers in headwater catchment of the Yellow River, Tibetan Plateau 青藏高原黄河源头流域的基流特征和驱动因素

IF 4.7 2区地球科学

Journal of Hydrology-Regional Studies Pub Date : 2024-10-07 DOI: 10.1016/j.ejrh.2024.101991

Jiao Zhang , Yu Lan , Xinsen Chen , Yuhua Tan , Tong Wu , Shixuan Lyu , Yuyan Zhou , Yongqiang Zhang , Lei Cheng , Yun Chen , Junlong Zhang

{"title":"Baseflow characteristics and drivers in headwater catchment of the Yellow River, Tibetan Plateau","authors":"Jiao Zhang , Yu Lan , Xinsen Chen , Yuhua Tan , Tong Wu , Shixuan Lyu , Yuyan Zhou , Yongqiang Zhang , Lei Cheng , Yun Chen , Junlong Zhang","doi":"10.1016/j.ejrh.2024.101991","DOIUrl":"10.1016/j.ejrh.2024.101991","url":null,"abstract":"<div><h3>Study area</h3><div>The headwater catchment of the Yellow River (HCYR) (95°90′–103°42′E, 32°16′–36°13′N) is located on the northeast of the Tibetan Plateau, a presentative high-cold region catchment, China.</div></div><div><h3>Study focus</h3><div>HCYR serves as the primary water supply during the dry season in downstream of the Yellow River Basin. Herein, we applied linear regression and the Bernaola-Galvan heuristic segmentation algorithm to identify the baseflow trends and abrupt changes. Four baseflow signatures (baseflow index (<em>BFI</em>), seasonal ratio (<em>SR</em>), concave index (<em>CI</em>), and slope of baseflow duration curve (<em>S</em><sub><em>BDC</em></sub>)) were used to investigate the characteristics of baseflow changes and the drivers quantitatively.</div></div><div><h3>New hydrological insights for the region</h3><div>The main findings are: (1) the baseflow generally exhibited an increasing trend (R<sup>2</sup> > 0.35, <em>p</em> < 0.1), (2) baseflow variation has an apparent spatiality, and it shows a more pronounced change in the middle part than the upper and lower parts, and (3) precipitation, sunshine hours, soil moisture and evapotranspiration were the controlling factors on the baseflow characteristics. These findings provide a deeper insight into baseflow behavior and drivers in high-cold regions, which are vital for ecosystem health, water resource safety and management in critical headwater catchments.</div></div>","PeriodicalId":48620,"journal":{"name":"Journal of Hydrology-Regional Studies","volume":"56 ","pages":"Article 101991"},"PeriodicalIF":4.7,"publicationDate":"2024-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142418969","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

GRACE observes the natural and irrigation-induced regional redistribution of water storage in Central Asia GRACE 观测中亚蓄水的自然和灌溉引起的区域再分布情况

IF 4.7 2区地球科学

Journal of Hydrology-Regional Studies Pub Date : 2024-10-07 DOI: 10.1016/j.ejrh.2024.101994

Abror Gafurov , Valeria Selyuzhenok , Milena Latinovic , Heiko Apel , Adkham Mamaraimov , Abdulkhakim Salokhiddinov , Eva Boergens , Andreas Güntner

{"title":"GRACE observes the natural and irrigation-induced regional redistribution of water storage in Central Asia","authors":"Abror Gafurov , Valeria Selyuzhenok , Milena Latinovic , Heiko Apel , Adkham Mamaraimov , Abdulkhakim Salokhiddinov , Eva Boergens , Andreas Güntner","doi":"10.1016/j.ejrh.2024.101994","DOIUrl":"10.1016/j.ejrh.2024.101994","url":null,"abstract":"<div><h3>Study Region</h3><div>Central Asia region, where snow and glacier covered Tian Shan and Pamir mountains serve as “Water Tower” to supply populated areas downstream with essential freshwater resources, predominantly for agricultural production in summer and for energy production in winter.</div></div><div><h3>Study Focus</h3><div>To identify the impact of irrigation practices on large-scale water storage by analyzing the spatial dynamics of water storage in Central Asia from sink to source using satellite-based Terrestrial Water Storage (TWS) variations from six GRACE(-FO) solutions and snow cover from MODIS.</div></div><div><h3>New Hydrological Insights for the Region</h3><div>Snow Cover Index (SCI), a new proxy index for snow accumulation shows that GRACE-based TWS dynamics agree very well with snow accumulation and melt for seasonal and inter-annual variations. The spatial patterns of seasonal TWS variations show water re-distribution from the mountain region to the downstream parts, where agricultural fields are irrigated. In these areas, the maximum storage in summer observed with the majority of GRACE solutions can be attributed to the diversion of water inflow from the mountain ranges into vast areas of agricultural land. The ability of GRACE to observe both natural and human-induced water re-distribution in Central Asia indicates its potential for regional-scale monitoring applications in water resources management.</div></div>","PeriodicalId":48620,"journal":{"name":"Journal of Hydrology-Regional Studies","volume":"56 ","pages":"Article 101994"},"PeriodicalIF":4.7,"publicationDate":"2024-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142418975","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

Spatio-temporal characteristics of heavy precipitation events observed over the last decade on the eastern French Mediterranean coastal area 过去十年在法国地中海东部沿海地区观测到的强降水事件的时空特征

IF 4.7 2区地球科学

Journal of Hydrology-Regional Studies Pub Date : 2024-10-03 DOI: 10.1016/j.ejrh.2024.101988

Sarah Vigoureux , Pierre Brigode , Maria-Helena Ramos , Julie Poggio , Raphaëlle Dreyfus , Emmanuel Moreau , Christophe Laroche , Emmanuel Tric

{"title":"Spatio-temporal characteristics of heavy precipitation events observed over the last decade on the eastern French Mediterranean coastal area","authors":"Sarah Vigoureux , Pierre Brigode , Maria-Helena Ramos , Julie Poggio , Raphaëlle Dreyfus , Emmanuel Moreau , Christophe Laroche , Emmanuel Tric","doi":"10.1016/j.ejrh.2024.101988","DOIUrl":"10.1016/j.ejrh.2024.101988","url":null,"abstract":"<div><h3>Study region</h3><div>eastern part of the French Mediterranean coastal area.</div></div><div><h3>Study focus</h3><div>This work focuses on the heavy precipitation events that have affected the eastern part of the French Mediterranean coastal area over the last decade and the river discharges associated with these events. The aim is to make a throughout analysis of the spatio-temporal characteristics of heavy precipitation events, and to evaluate whether a high flow event is associated with them when looking at river discharges on affected catchments.</div></div><div><h3>New hydrological insights for the region</h3><div>Based on radar-based precipitation grids, 158 heavy precipitation events (HPEs) affected the study area over the period 2007–2020. In addition, 65 % of HPEs were associated with a high flow event (HFE) on one or more gauged catchments. Results show that HPEs were more frequent during the beginning of summer and autumn. A large portion of autumn and winter HPEs were associated with a HFE. Looking at the spatio-temporal characteristics of the HPEs, their mean duration was 20 hours, with 42 % of the events lasting less than 6 hours. Some common characteristics among the HPEs that caused HFEs were identified: all HPEs lasting more than 30 hours and all HPEs with catchment precipitation accumulation above 150 mm were associated with a HFE.</div></div>","PeriodicalId":48620,"journal":{"name":"Journal of Hydrology-Regional Studies","volume":"56 ","pages":"Article 101988"},"PeriodicalIF":4.7,"publicationDate":"2024-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142418973","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

Detection of flood trends and drivers in the Taihu Basin, China 中国太湖流域洪水趋势和驱动因素探测

IF 4.7 2区地球科学

Journal of Hydrology-Regional Studies Pub Date : 2024-10-03 DOI: 10.1016/j.ejrh.2024.101990

Yu Xu , Yulu Zhang , Kaixin Liu , Yanjuan Wu , Chao Gao

{"title":"Detection of flood trends and drivers in the Taihu Basin, China","authors":"Yu Xu , Yulu Zhang , Kaixin Liu , Yanjuan Wu , Chao Gao","doi":"10.1016/j.ejrh.2024.101990","DOIUrl":"10.1016/j.ejrh.2024.101990","url":null,"abstract":"<div><h3>Study region</h3><div>Taihu Basin, China</div></div><div><h3>Study focus</h3><div>Floods threaten humans, the environment, economic activity, and infrastructure. In this study, a new trend test and flood-frequency methods were adopted to detect extreme floods and their distributions based on flood-event identification. To fully understand the phased process of the influence of human activities on extreme hydrological processes, 12 copula functions were employed creatively in combined static and dynamic time-varying correlation aspects between extreme precipitation and floods.</div></div><div><h3>New hydrological insights for the region</h3><div>Although both significant and insignificant increasing trends of the annual maximum water level in all three hydrological districts were examined, the periodic oscillations of all the stations were similar. Thus, it was significant to fully detect the periodical variation of floods. Extreme floods occurred mainly in the 1990s, as measured by frequency estimates. Generally, the nonstationary response relationship between heavy rain and an extreme water level was gradually strengthened; that is, a certain magnitude precipitation seemed to induce a greater-intensity flood event as time passed. Through the identification of historical flood events and the analysis of the rise and fall processes of floods, we found that the main reason for variation in the response relationship was the increase in the water level before the rising stage, rather than the water level rising in the Taihu Basin. Our study findings further existing knowledge on the regional flood-control design standard and can ensure the coexistence of humans and water systems in the future.</div></div>","PeriodicalId":48620,"journal":{"name":"Journal of Hydrology-Regional Studies","volume":"56 ","pages":"Article 101990"},"PeriodicalIF":4.7,"publicationDate":"2024-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142418974","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

150-year daily data (1870–2021) in lakes and rivers reveals intensifying surface water warming and heatwaves in the Pannonian Ecoregion (Hungary) 湖泊和河流 150 年的每日数据（1870-2021 年）显示潘诺尼亚生态区（匈牙利）地表水变暖和热浪加剧

IF 4.7 2区地球科学

Journal of Hydrology-Regional Studies Pub Date : 2024-10-02 DOI: 10.1016/j.ejrh.2024.101985

Huan Li , Jiang Sun , Quan Zhou , Mariusz Sojka , Mariusz Ptak , Yi Luo , Sirui Wu , Senlin Zhu , Viktor R. Tóth

{"title":"150-year daily data (1870–2021) in lakes and rivers reveals intensifying surface water warming and heatwaves in the Pannonian Ecoregion (Hungary)","authors":"Huan Li , Jiang Sun , Quan Zhou , Mariusz Sojka , Mariusz Ptak , Yi Luo , Sirui Wu , Senlin Zhu , Viktor R. Tóth","doi":"10.1016/j.ejrh.2024.101985","DOIUrl":"10.1016/j.ejrh.2024.101985","url":null,"abstract":"<div><h3>Study region</h3><div>Pannonian Ecoregion, Hungary.</div></div><div><h3>Study focus</h3><div>Bridging the gap between atmospheric influences and aquatic environments, this study embarked on a comprehensive reconstruction of daily surface water temperatures across lakes and rivers within the Pannonian Ecoregion over an extensive period of 150 years (1870–2021).</div></div><div><h3>New hydrological insights for the region</h3><div>The analysis revealed a clear warming trend in waters over the past 150 years, and majority of this warming occurred in recent three to four decades (average warming rate: 0.317 °C/decade). Seasonal patterns indicated that winter and spring exhibited faster warming rates, followed by autumn and summer. There has been a significant increase in the number, duration, and intensity of heatwaves in both lakes and rivers, particularly pronounced in the last 30–40 years, and with the rise of air temperatures, river and lake heatwaves tend to intensity. These findings underscore the escalating impact of climate change on freshwater systems in the Pannonian Ecoregion, emphasizing the urgent need for mitigation measures. As the first study on river and lake heatwaves in Hungary and one of the few studies on river heatwaves worldwide, this study will provide reference for analysing extreme thermal events in aquatic systems.</div></div>","PeriodicalId":48620,"journal":{"name":"Journal of Hydrology-Regional Studies","volume":"56 ","pages":"Article 101985"},"PeriodicalIF":4.7,"publicationDate":"2024-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142419076","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 drought conditions in Northeast Brazil: A comparative analysis of soil moisture, groundwater, and total water storage 评估巴西东北部的干旱状况：土壤水分、地下水和总蓄水量的比较分析

IF 4.7 2区地球科学

Journal of Hydrology-Regional Studies Pub Date : 2024-10-02 DOI: 10.1016/j.ejrh.2024.101983

Mayara Silva de Oliveira , Alfredo Ribeiro Neto , Luiz Antonio Candido , Peyman Saemian

{"title":"Assessing drought conditions in Northeast Brazil: A comparative analysis of soil moisture, groundwater, and total water storage","authors":"Mayara Silva de Oliveira , Alfredo Ribeiro Neto , Luiz Antonio Candido , Peyman Saemian","doi":"10.1016/j.ejrh.2024.101983","DOIUrl":"10.1016/j.ejrh.2024.101983","url":null,"abstract":"<div><h3>Study region</h3><div>Northeast Brazil (NEB).</div></div><div><h3>Study focus</h3><div>Over the past few decades, there has been a noticeable surge in the applications of drought indices centered around Total Water Storage (TWS) and its components. This study aims to evaluate the dynamics of continental water storage and its components in Northeast Brazil (NEB), utilizing drought indices based on soil moisture (SMI), groundwater (GWI) and TWS (WSDI) for the period 2003–2022. Four types of data were employed: remote sensing (ESA CCI SM and GRACE), in-situ data (SM and GW storage), land surface model simulations, and global Standardized Precipitation Evapotranspiration Index (SPEI). The first two served as the reference for comparison with the SM, GW, and TWS simulated by the Catchment Land Surface Model (CLSM).</div><div>New hydrological insights for the region: Drought indices based on CLSM data from the Global Land Data Assimilation System (GLDAS) can be considered reliable after comparison with SPEI and analysis of their patterns using continuous wavelet transformation (CWT). The SMI is more correlated with the SPEI-3 (3-month time scale), and the GWI presented better correlations with the time scales between 12 and 36 months of the SPEI. Changes in the trend of the indices were detected in the hydrographic regions localized in the south of the study area, indicating an increase in drought occurrence. The calculation of the TWS (doing the sum of SM and GW from the CLSM) fitted well with the GRACE data.</div></div>","PeriodicalId":48620,"journal":{"name":"Journal of Hydrology-Regional Studies","volume":"56 ","pages":"Article 101983"},"PeriodicalIF":4.7,"publicationDate":"2024-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142418970","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

Assessment of climate change effect on environmental flows for macroinvertebrates using an integrated hydrological-hydraulic-habitat modelling 利用水文-水力-生境综合模型评估气候变化对大型无脊椎动物环境流量的影响

IF 4.7 2区地球科学

Journal of Hydrology-Regional Studies Pub Date : 2024-10-02 DOI: 10.1016/j.ejrh.2024.101982

Somsubhra Chattopadhyay , Ewelina Szałkiewicz , Paweł Marcinkowski , Dorota Mirosław-Świątek , Mikołaj Piniewski

{"title":"Assessment of climate change effect on environmental flows for macroinvertebrates using an integrated hydrological-hydraulic-habitat modelling","authors":"Somsubhra Chattopadhyay , Ewelina Szałkiewicz , Paweł Marcinkowski , Dorota Mirosław-Świątek , Mikołaj Piniewski","doi":"10.1016/j.ejrh.2024.101982","DOIUrl":"10.1016/j.ejrh.2024.101982","url":null,"abstract":"<div><h3>Study region</h3><div>A short reach of the Jeziorka river and its upstream catchment in central Poland</div></div><div><h3>Study focus</h3><div>Climate change is expected to have significant impacts on freshwater ecosystems, particularly on temperate region streams resulting often in changes to spatiotemporal distribution of macroinvertebrate species, as well as losses in richness and aquatic biodiversity due to the loss of suitable habitat. This study aimed to evaluate the impact of climate change on the habitat suitability and environmental flow violations for the filter feeder functional group of macroinvertebrate communities in a temperate lowland river in central Poland. To achieve this, we have successfully integrated hydrological (SWAT+), hydraulic (HEC-RAS 1D and SRH-2D), and habitat (CASiMiR) models. We have forced the model cascade with GCM/RCM projections to determine changes in future habitat conditions for a selected reach of the Jeziorka river.</div></div><div><h3>New hydrological insights for the region</h3><div>Future habitat conditions may deteriorate, as reflected in overwhelmingly negative trends in the hydraulic habitat suitability (HHS) index. According to the projections, there will be fewer days with the necessary environmental flows for filter feeders in the future. The frequency and duration of environmental flow violations, caused by too low or too high flows, depend on the climate model scenarios and timeframes. Our findings will aid water resource planners in achieving sustainable water resource management and meeting environmental flow requirements in the face of a changing climate.</div></div>","PeriodicalId":48620,"journal":{"name":"Journal of Hydrology-Regional Studies","volume":"56 ","pages":"Article 101982"},"PeriodicalIF":4.7,"publicationDate":"2024-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142418972","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