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Frontiers of Agricultural Science and Engineering

ISSN 2095-7505

ISSN 2095-977X(Online)

CN 10-1204/S

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Front. Agr. Sci. Eng.    0, Vol. Issue () : 420-431    https://doi.org/10.15302/J-FASE-2018243
REVIEW
Suitability of common models to estimate hydrology and diffuse water pollution in North-eastern German lowland catchments with intensive agricultural land use
Muhammad WASEEM(), Frauke KACHHOLZ, Jens TRÄNCKNER
Faculty of Agriculture and Environmental Sciences, University of Rostock, 18059 Rostock, Germany
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Abstract

Various process-based models are extensively being used to analyze and forecast catchment hydrology and water quality. However, it is always important to select the appropriate hydrological and water quality modeling tools to predict and analyze the watershed and also consider their strengths and weaknesses. Different factors such as data availability, hydrological, hydraulic, and water quality processes and their desired level of complexity are crucial for selecting a plausible modeling tool. This review is focused on suitable model selection with a focus on desired hydrological, hydraulic and water quality processes (nitrogen fate and transport in surface, subsurface and groundwater bodies) by keeping in view the typical lowland catchments with intensive agricultural land use, higher groundwater tables, and decreased retention times due to the provision of artificial drainage. In this study, four different physically based, partially and fully distributed integrated water modeling tools, SWAT (soil and water assessment tool), SWIM (soil and water integrated model), HSPF (hydrological simulation program– FORTRAN) and a combination of tools from DHI (MIKE SHE coupled with MIKE 11 and ECO Lab), have been reviewed particularly for the Tollense River catchment located in North-eastern Germany. DHI combined tools and SWAT were more suitable for simulating the desired hydrological processes, but in the case of river hydraulics and water quality, the DHI family of tools has an edge due to their integrated coupling between MIKE SHE, MIKE 11 and ECO Lab. In case of SWAT, it needs to be coupled with another tool to model the hydraulics in the Tollense River as SWAT does not include backwater effects and provision of control structures. However, both SWAT and DHI tools are more data demanding in comparison to SWIM and HSPF. For studying nitrogen fate and transport in unsaturated, saturated, and river zone, HSPF was a better model to simulate the desired nitrogen transformation and transport processes. However, for nitrogen dynamics and transformations in shallow streams, ECO Lab had an edge due its flexibility for inclusion of user-desired water quality parameters and processes. In the case of SWIM, most of the input data and governing equations are similar to SWAT but it does not include water bodies (ponds and lakes), wetlands and drainage systems. In this review, only the processes that were needed to simulate the Tollense River catchment were considered, however the resulted model selection criteria can be generalized to other lowland catchments in Australia, North-western Europe and North America with similar complexity.

Keywords diffuse pollution      ECO Lab      HSPF      lowland catchment      MIKE 11      MIKE SHE      modeling tools      SWAT      SWIM      Tollense River      water quality     
Corresponding Author(s): Muhammad WASEEM   
Online First Date: 02 November 2018    Issue Date: 19 November 2018
 Cite this article:   
Muhammad WASEEM,Frauke KACHHOLZ,Jens TRÄNCKNER. Suitability of common models to estimate hydrology and diffuse water pollution in North-eastern German lowland catchments with intensive agricultural land use[J]. Front. Agr. Sci. Eng. , 0, (): 420-431.
 URL:  
https://academic.hep.com.cn/fase/EN/10.15302/J-FASE-2018243
https://academic.hep.com.cn/fase/EN/Y0/V/I/420
Fig.1  Tollense area of investigation (Tollense River catchment from Klempenow to Demmin). Source: Rivers, lakes, and land use data was kindly provided by LUNG-MV (Landesamt für Umwelt, Naturschutz und Geologie Mecklenburg Vorpommern).
Fig.2  Relationship between precipitation, measured surface and estimated base flow with NO3-N concentrations in Gehmkow Augraben at surface water quality monitoring station (MS) Lindenburg[20]
Fig.3  Desired hydrological and hydraulic processes in the study area of the Tollense River catchment
Desired hydrological processes Relevant models
SWAT HSPF MIKE SHE SWIM
Surface runoff
Evapotranspiration
Infiltration
Interflow
Base flow
Pump flow
Drainage
Urban drainage
Tab.1  Ability to model the desired hydrological processes by selected modeling tools
Resolution Governing equation
SWAT
Spatial: flexible,
Temporal: continuous[38,53]
• Runoff volume (Modified SCS-curve number or G&A infiltration method)
• Peak runoff rate (modified rational formula or the SCS TR-55 method)
• Lateral subsurface flow and percolation (kinematic storage routine)[54]
• Potential evapotranspiration (Hargreaves, Priestley-Taylor and Penman-Monteith equations)
• Sediment yield (modified universal soil loss equation)
• Water routing (variable storage coefficient method or Muskingum routing method and Manning’s equation to define flow)
HSPF
Spatial: flexible,
Temporal: flexible or user-defined time step[53]
• HSPF uses basic continuity to model water flow through the channel[55] (otherwise known as storage routing or kinematic wave)
SWIM
Spatial: flexible,
Temporal: daily[56]
• Surface runoff volume (modified SCS-curve number technique)
• Peak runoff rate (modified rational formula)
• Storage routing technique[57]
• Lateral subsurface flow kinematic storage routine[54]
• Potential evapotranspiration[58]
• Soil evaporation and plant transpiration[59]
• Groundwater flow[60]
• Transmission losses[61]
MIKE SHE
Spatial: flexible,
Temporal: event based & continuous[38]
• Runoff on overland (2D diffusive wave equations)
• Runoff in channels (1D diffusive wave equations solved by implicit fine-difference method)
• Vertical flow (Richards equations)
• Actual evapotranspiration[62]
• Subsurface flow (3D groundwater flow equations solved using numerical finite-difference method and simulated river ground water exchange)
• Chemical simulations (numerically solved advection-dispersion equation)
Tab.2  Governing equations, spatial and temporal resolution of selected modeling tools
Tool Category Parameters
SWAT Climate (6) Rainfall, air temperature, solar radiation, wind speed, evapotranspiration and humidity/dew point
Hydrology and hydrogeology (7) Water table height, hydraulic conductivity, groundwater extraction, initial shallow aquifer storage, recharge water, drain spacing, and irrigation
Soil data (7) Layer thickness, bulk density, initial soil water content, field capacity*, wilting point*, hydraulic conductivity, and porosity
Land use and vegetation (7) Land use, vegetation type, vegetation height, leaf area index, root depth, fertilizing rate, and crop management
Topography (6) Area, elevation, land surface slope length, land surface slope steepness, hill slope length, and hill slope steepness
MIKE SHE Climate (5) Rainfall, air temperature, solar radiation, wind speed, and grass reference evaporation
Hydrology and hydrogeology (9) Water table height, hydraulic conductivity (x-, y- and z-directions), specific yield, specific storage, groundwater extraction, initial shallow aquifer storage, recharge water, drain spacing, and irrigation
Soil data (6) Layer thickness, bulk density, initial soil water content, field capacity, wilting point, and hydraulic conductivity
Land use and vegetation (5) Land use, vegetation type, leaf area index, root depth, and fertilizer application rates
Topography (1) Digital elevation model
HSPF Climate (6) Rainfall, air temperature, solar radiation, wind speed, evapotranspiration, and humidity/dew point
Hydrology and hydrogeology (3) Active groundwater storage, interflow storage, and lower zone storage
Soil data (3) Layer thickness, bulk density, and initial soil water content
Land use and vegetation (2) Land use, and vegetation type
Topography (4) Area, elevation, land surface slope length, land surface slope steepness
SWIM Climate (6) Rainfall, air temperature, solar radiation, wind speed, evapotranspiration, and humidity/dew point
Hydrology and hydrogeology (6) Water table height, hydraulic conductivity, specific yield, groundwater extraction, drain spacing, Irrigation
Soil data (7) Layer thickness, bulk density, initial soil water content, field capacity, wilting point, hydraulic conductivity, and porosity
Land use and vegetation (5) Land use, vegetation type, leaf area index, root depth, and fertilizer application rates
Topography (7) Area, elevation, land surface slope length, land surface slope steepness, hill slope length, hill slope steepness, and hill slope width
Tab.3  Input data required by the selected hydrological and water quality models [22,23,37,38,5355,6367]
Item Relevant models
SWAT SWIM ECO Lab* HSPF
Initial soil nitrogen
Organic N
NO3
NH4+
Point sources
Organic N
NO3
NO2
NH4+
Fertilizer nitrogen (crop-specific)
Organic N
Active organic N
Inorganic N
NH4+
In-stream nitrogen
Organic N
NO3
NO2
NH4+
Atmospheric deposition
NO3 in rain
NH4+ in rain
Tab.4  Input required for predicting nitrogen transformations and transport in surface and subsurface water [39,5355,6267]
Fig.4  Summary of minimum input parameters required by the selected models
Item Relevant models
SWAT SWIM ECO Lab HSPF
Soil nitrogen
Organic N
NO3
N H4+
Transport through surface runoff
NO3 in water
N H4+ in water
Transport through interflow
NO3
N H4+
Inorganic N
Transport through subsurface drainage flow
Inorganic N
Transport through groundwater flow
NO3
N H4+
Transformation
Fixation
Nitrification
Ammonia volatilization
Denitrification SWIM
Adsorption and desorption
Total N
Tab.5  Prediction of nitrogen transformations and transport in surface and subsurface waters by the selected models [5962]
Item SWAT HSPF SWIM DHI tools
Model type Physically based and distributed Physically based and distributed Physically based and semi-distributed Physically based and distributed
Flexibility to grid structure Sub-basin structure but can be operated on grids Sub-basin structure but can be operated on grids Sub-basin structure but can be operated on grids Flexible
Flexibility in resolution Depends on the definition of sub-basins Depends on the definition of sub-basin Depends on the definition of sub-basins and hydrotopes Flexible
Possibility of calibration Automatic and manual Tools available Tools available Automatic and manual
Tools availability SWAT (The Soil & Water Assessment Tool) website, TAMU, USA EPA (United States Environmental Protection Agency) website, USA Potsdam Institute for Climate Impact Research, Potsdam, Germany MIKE powered by DHI, Denmark
License agreement Open source Open Provided on request License required
Tab.6  Openness, availability of graphical user interface and online support for selected models [5367]
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