检索结果-内蒙古大学图书馆

Extra constraint on actual evaporation in a semi-distributed conceptual model to improve model physical realism

HYDROLOGICAL SCIENCES JOURNAL 2025年

作者： Hsu, Shu-Chen de Lavenne, Alban Perrin, Charles Andreassian, Vazken Univ Paris Saclay HYCAR Res Unit INRAE Antony France

When evaluating the calibration of hydrological models, in some discharge-only calibration cases, we sometimes find that the selected parameter sets succeed in discharge estimation, while producing unreasonable simulations of other fluxes. In this paper, we hypothesize that the realism of the unmeasurable intercatchment groundwater flow (IGF) may be improved by introducing a constraint on the actual evaporation (AE). This paper evaluates three multi-objective calibration cases in which an extra constraint on AE is added to the classical objective function, which only focus on discharge efficiency. The results show that for the multi-objective cases (1) the discharge efficiency is not significantly compromised;(2) the spatial efficiency (SPAEF) metric with the reference AE data on the annual scale improves considerably;(3) an agreement with each other for the partition of annual water balance components, especially AE and IGF, is reached. These results support the improved realism of the AE and thus the IGF estimation.

关键词： multi-objective calibration evaporation semi-distributed model spatial pattern

来源：评论

学校读者我要写书评

暂无评论

A Simple semi-distributed Hydrologic model to Estimate Groundwater Recharge in a Humid Tropical Basin

引用

WATER RESOURCES MANAGEMENT 2013年第5期27卷 1517-1532页

作者： Raneesh, K. Y. Thampi, Santosh G. Natl Inst Technol Dept Civil Engn Calicut 673601 Kerala India

A semi-distributed groundwater recharge model that can be used to estimate the daily water-table fluctuations on a daily basis is presented. The model is based on the water-balance concept and links atmospheric and hydrogeologic parameters to different water uses. It is calibrated and validated using 10 years of data;data for the first 6 years - from 2000 to 2005 - is used for model calibration, whereas data for the remaining 4 years - from 2006 to 2009 - is used for validation. Goodness-of-fit measures such as the Nash-Sutcliffe Efficiency (E-NS) and the coefficient of determination (R-2) were evaluated to assess the performance of the model. This model can serve as a powerful tool to help engineers and decision makers in controlling excessive groundwater usage and preventing drastic depletion of groundwater resources. This is of considerable significance in basins of this type which are densely populated and the draft is reasonably high. This model demonstrated that with a reliable and detailed input database, the accuracy of predictions can be improved considerably.

关键词： Groundwater recharge Water balance semi-distributed model Humid tropics Validation

来源：评论

学校读者我要写书评

暂无评论

Examining runoff generation processes in the Selke catchment in central Germany: Insights from data and semi-distributed numerical model

引用

JOURNAL OF HYDROLOGY-REGIONAL STUDIES 2016年 7卷 38-54页

作者： Sinha, Sumit Rode, Michael Borchardt, Dietrich Univ Durham Dept Geog Sci Site Durham DH1 3LE England UFZ Helmholtz Ctr Environm Res Dept Aquat Ecosyst Anal Bruckstr 3a D-39114 Magdeburg Germany

Study region: Our study is focussed on a mesoscale catchment, Selke, in central Germany having an area of 463 km(2) with spatially diverse land-use from upland to the low-lying areas in the vicinity of the catchment outlet. Study focus: This study used rainfall-runoff data available on daily time step to examine the spatio-temporal variation of runoff coefficients. We then applied a validated semi distributed hydrological model, HYPE, for examining the spatio-temporal variation of runoff generating mechanisms. HYPE model was modified in a minor fashion and simulations were conducted again to find out the portion of discharge originating from different runoff generation mechanisms. New hydrological insights for the region: We examined the spatio-temporal variation of runoff generating mechanisms on the sub-basin level on seasonal basis. Our analysis reveals that the runoff generation in the Selke catchment is primarily dominated by shallow sub-surface flow and very rarely the contribution from Dunne overland flow exceeds sub-surface flow. Runoff generated by Hortonian mechanism is very infrequent and almost negligible. We also examined the spatio-temporal variation of runoff coefficients on seasonal basis as well as for individual storms. Due to higher precipitation and topographic relief in the upland catchment of Silberhutte, the runoff coefficients were consistently higher and its peak was found in winter months due to lower evapotranspiration. (C) 2016 Published by Elsevier B.V.

关键词： Horton runoff Dunne runoff Runoff generation semi-distributed model HYPE model

来源：评论

学校读者我要写书评

暂无评论

A semi-distributed drainage model for monthly drainage water and salinity simulation in a large irrigation district in arid region

引用

AGRICULTURAL WATER MANAGEMENT 2020年 230卷

作者： Wen, Yeqiang Shang, Songhao Rahman, Khalil Ur Xia, Yuhong Ren, Dongyang Tsinghua Univ Dept Hydraul Engn State Key Lab Hydrosci & Engn Beijing 100084 Peoples R China Bayannur Inst Water Conservancy Res Bayannur 015000 Inner Mongolia Peoples R China China Agr Univ Ctr Agr Water Res China Beijing 100083 Peoples R China

The complex and dense irrigation and drainage networks and diverse irrigation scheduling result in uncertainties and complexities in the simulation of drainage water and salinity at different regional scales. We propose a semidistributed model to simulate monthly drainage water and salinity, considering both the surface return flow and groundwater drainage to drainage ditches. The model uses sub-drainage command areas (SDCAs) controlled by main irrigation canals and drainage ditches as simulation units and uses a conceptual model to estimate monthly drainage water and salinity from each SDCA. The proposed model is applied in the Hetao Irrigation District (HID) in North China with 19 SDCAs, and calibrated and validated using monitoring data during 2008-2010 and 2012-2013, respectively. The results reveal better model performance in estimating the drainage water and salinity at SDCA, sub-irrigation district and irrigation district scales. The average annual drainage is 47,021 * 10(4)m(3) in HID, accounting for 10.5 % of the annual irrigation water amount. The surface return flow and groundwater drainage account for 32.7 % and 67.3 % of total drainage, respectively. The ratio of surface return flow to groundwater drainage is higher in the upstream area and lower in the downstream area. Higher surface return flow ratio ( > 5 %) is observed in the western Wulanbuhe, middle and southern Jiefangzha, and northern Wulate sub-irrigation areas, indicating the necessity to improve irrigation water management in these areas. Lower groundwater drainage capability is observed in western and southern HID, while enhanced groundwater drainage capability is observed in northern HID. Average annual salt leaching through the drainage system is 126.5 * 10(4) t, which is only 43 % of the total salt introduced from irrigation. The Wulate sub-irrigation district performs best on salt leaching, while other sub-irrigation district should improve the drainage system and irrigation water use ef

关键词： Drainage semi-distributed model Surface return flow Groundwater drainage Irrigation district

来源：评论

学校读者我要写书评

暂无评论

Applicability of a Spatially semi-distributed Hydrological model for Watershed Scale Runoff Estimation in Northwest Ethiopia

引用

WATER 2018年第7期10卷 923页

作者： Zelelew, Demlie G. Melesse, Assefa M. Sirinka Agr Res Ctr Amhara Agr Res Inst POB 74 North Wollo Woldia Ethiopia Florida Int Univ Dept Earth & Environm Miami FL 33199 USA

Estimation of runoff is vital forplanning activities in relation to integrated watershed management and flood protection measures. This research was conducted at one of the catchments in Abbay River (upper Blue Nile River) basin to assess the applicabilityof the Hydrologic Engineering Centre Hydrological modelling Software (HEC-HMS) modelfor simulation of runoff. It was aimed at selecting the best loss and transform methods in the model, as well as testing the applicability of the calibrated model to ungauged watersheds. Two loss methods such as soil conservation service (SCS) and initial and constant methods with two transform methods including SCS and Clark unit hydrographs were considered in the study for selecting the best combinations applicable in the area. While comparing the simulation results of each combination, better results were obtained in the model set containing the initial and constant loss method and SCS unit hydrograph with a Nash-Sutcliff Efficiency (NSE) of 82.8%, R-2 of 0.83, and 10.71% of relative bias errors, followed by initial and constant with Clarks unit hydrograph, and it can be used for similar ungauged watersheds.

关键词： HEC-HMS semi-distributed model loss methods transform methods Abbay River Basin

来源：评论

学校读者我要写书评

暂无评论

Assessment of interbasin groundwater flows between catchments using a semi-distributed water balance model

引用

JOURNAL OF HYDROLOGY 2014年第PartB期519卷 1848-1858页

作者： Pellicer-Martinez, Francisco Miguel Martinez-Paz, Jose Univ Murcia Water & Environm Inst E-30100 Murcia Spain

In hydrological modeling it is often assumed that the aquifers boundaries are formed by the geographical demarcation of the catchment. However, this assumption is rarely met, given the existence of groundwater flows going beyond the catchment limits. The assessment of interbasin groundwater flows is crucial when managing water resources in areas where baseflows are mainly formed by groundwater, especially when catchments are managed separately. Aiming at estimating the volume and direction of the main groundwater flows, this work presents a new methodological approach for hydrological modeling. This approach employs a semi-distributed water balance model created with lumped models. This model is formulated in such a way that a part of the groundwater discharge of a specific catchment can become baseflows in other catchments, which helps characterize interbasin groundwater flows. This methodology is applied in the headwater of the Segura River Basin (southeast of Spain), where groundwater plays an important role in surface hydrology. The catchments are modeled with a high goodness of fit, and the main interbasin groundwater flows between them is evaluated, proving its importance in the characterization of hydrological modeling. (C) 2014 Elsevier B.V. All rights reserved.

关键词： Lumped water balance model Interbasin flow Groundwater exchange Hydrogeology semi-distributed model

来源：评论

学校读者我要写书评

暂无评论

Studying the hydrological response of urban catchments using a semi-distributed linear non-linear model

引用

JOURNAL OF HYDROLOGY 2000年第1-2期238卷 35-43页

作者： Aronica, G Cannarozzo, M Univ Palermo Dipartimento Ingn Idraul Applicaz Ambientali I-90128 Palermo Italy

A conceptual rainfall-runoff model for urban catchment, which incorporates, semi-distributed modelling concepts has been developed. In the proposed model, the catchment is divided in external sub-catchments connected to the drainage network. Each external sub-catchment is modelled as two separate conceptual linear elements, a reservoir and a channel, one for the pervious part, the other for the impervious part of the drainage area. The drainage network is schematised as a cascade of non-linear cells and the flood routing is simplified in the form of kinematic wave and represented as a flux transfer between adjacent cells. Tests carried out using data from the Parco d'Orleans experimental catchment located in the University Campus of Palermo, allowed to focus relative results due to changes the spatial representation of the input rainfall and to changes in the spatial discretisation of the sub-catchments. The results of the simulations have pointed out how both the variation in the spatial representation of the rainfall and the variation in the spatial discretisation of the catchment has a definite influence on the outlet hydrographs, especially fur high intensity events. (C) 2000 Published by Elsevier Science B.V.

关键词： conceptual rainfall-runoff model unit hydrograph semi-distributed model catchment response urban systems

来源：评论

学校读者我要写书评

暂无评论

Determining the spatial distribution of percolation for winter wheat based on system dynamics and semi-distributed modelling^†

引用

IRRIGATION AND DRAINAGE 2020年第Sup2期69卷 171-186页

作者： Chen, Haorui Zeng, Wenzhi Chen, Weilin Dai, Wei Mi, Boyu Liu, Jing Lei, Guoqing China Inst Water Resources & Hydropower Res State Key Lab Simulat & Regulat Water Cycle River Beijing 100038 Peoples R China Wuhan Univ State Key Lab Water Resources & Hydropower Engn Wuhan Peoples R China China Inst Water Resources & Hydropower Res Natl Ctr Efficient Irrigat Engn & Technol Res Beijing Peoples R China Changjiang Water Resources Commiss Changjiang River Sci Res Inst Wuhan Peoples R China Guangzhou Water Conservancy & Hydropower Stn Cons Guangzhou Peoples R China Univ Arizona Sch Earth & Environm Sci Soil Water & Environm Sci Dept Tucson AZ USA

Percolation is one of the important factors in the field water cycle, which affects designing irrigation schedules and increasing water productivity. However, the measurement of percolation is both costly and time-consuming. This study established a point-scaled system dynamic model (SDM) for water movement in the root zone of winter wheat in Shijin Irrigation District (SID) and proposed a semi-distributed method to extend the SDM from the point to regional scales (SM). Observations of soil moisture of the root zone (0-2 in) of winter wheat from 2007 to 2009 were used to evaluate the SDM and SM. Both could accurately simulate soil water movement during the winter wheat growth period (R-2 > 0.6, RMSE < 0.032). Meanwhile, three extreme scenarios and sensitivity analysis were also applied to ensure the stability and plausibility of the SDM. The distribution of percolation indicated that irrigation was the main reason for percolation. Furthermore, well irrigation reduced the percolation when compared with canal irrigation. Meanwhile, wells were the main water source (563%) for the SID and percolation consumed about 22.1% income water. Future study should focus on improving simulation accuracy for spatial variability and consider the lateral exchange of soil water for regions with hills and mountains.

关键词： percolation spatial distribution system dynamic model semi-distributed model irrigation

来源：评论

学校读者我要写书评

暂无评论

Development of the ecohydrological model SWIM for regional impact studies and vulnerability assessment

引用

HYDROLOGICAL PROCESSES 2005年第3期19卷 763-783页

作者： Krysanova, V Hattermann, F Wechsung, F Potsdam Inst Climate Impack Res Global Change & Nat Syst Dept D-14412 Potsdam Germany

In this paper the ecohydrological model SWIM developed for regional impact assessment is presented, and examples of approaches to climate and land use change impact studies are described. SWIM is a continuous-time semi-distributed ecohydrological model, integrating hydrological processes, vegetation, nutrients (nitrogen and phosphorus) and sediment transport at the river basin scale. Its spatial disaggregation scheme has three levels: (1) basin, (2) sub-basins and (3) hydrotopes within sub-basins. The model was extensively tested and validated for hydrological processes, nitrogen dynamics, crop yield and erosion (mainly in mesoscale sub-basins of the German part of the Elbe River basin). After appropriate validation in representative sub-basins, the model can be applied at the regional scale for impact studies. Particular interest in the global change impact studies is given to effects of expected changes in climate and land use on hydrological processes and agro-ecosystems, including water balance components, water quality and crop yield. This paper (a) introduces the reader to the class of process-based ecohydrological catchment scale models, (b) introduces SWIM as one such model, and (c) presents two examples of impact studies performed with SWIM for the federal state of Brandenburg (Germany), which overlaps with the lowland part of the Elbe drainage area. The impact studies provide a better understanding of the complex interactions between climate, hydrological processes and vegetation, and improve our potential adaptation to the expected changes. Copyright (C) 2005 John Wiley Sons, Ltd.

关键词： ecohydrological modelling catchment model process-based model semi-distributed model hydrological processes crop yield climate change land use change vulnerability assessment

来源：评论

学校读者我要写书评

暂无评论

Investigating the appropriate model structure for simulation of a karst catchment from the aspect of spatial complexity

引用

ENVIRONMENTAL EARTH SCIENCES 2019年第1期78卷 13页

作者： Chang, Yong Wu, Jichun Jiang, Guanghui Zhao, Xiaoer Zhang, Qiang Nanjing Univ Minist Educ Sch Earth Sci & Engn Key Lab Surficial GeochemDept Hydrosci Nanjing 210093 Jiangsu Peoples R China Minist Land & Resources & Guangxi Inst Karst Geol Key Lab Karst Dynam Guilin 541004 Peoples R China Int Karst Res Ctr Guilin 541004 Peoples R China

Multi-model frameworks are widely used to identify the appropriate model structure for the study catchment. However, most frameworks mainly consider the process complexity of the model, and few of them consider the spatial complexity. In this paper, we investigated the appropriate model structure for a karst catchment from the aspect of spatial complexity. The purpose is twofold: (1) to investigate whether the spatial complexity is needed to simulate the spring discharge of this karst catchment and (2) to investigate whether the increase of model's spatial complexity can make up its deficiency on the process complexity. Three simple lumped models with different process complexities were chosen to gradually increase the spatial heterogeneity of their parameters to investigate the appropriate model structure for simulating the discharge of a karst spring. The results show that the performances of three lumped models highly improve when adding the routing function to them. However, further considering the spatial parameter heterogeneity, only one model shows obvious performance improvement and other two models show limited improvement. Moreover, this model with relatively complex spatial parameter heterogeneity still shows worse performance than another lumped model. This indicates an increase of models' spatial complexity cannot always make up their process deficiencies. The final comparison results indicated that the lumped model or their semi-lumped version with flexible process complexity is enough to simulate the discharge of this karst spring and no extra spatial complexity is needed. Our studies also indicated that the increase in spatial complexity of the model cannot always fully compensate its deficiency in process complexity.

关键词： Lumped model semi-distributed model Process complexity Spatial complexity Karst catchment

来源：评论

学校读者我要写书评

暂无评论

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案：

请选择收藏分类：

通借通还

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：