Martin Rygaard
Technical University of Denmark
Publications 87
#1Ryle Nørskov GejlH-Index: 1
#2Martin RygaardH-Index: 10
Last.Poul Løgstrup BjergH-Index: 44
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Abstract It is vital to understand long-term trends in water quality parameters when assessing the sustainability of groundwater abstraction. Withdrawal-to-availability analysis is still used widely in groundwater management considering quantities and utilization rates based on in- and outflows. In this study, we took a step further than the water balance approach and carried out a detailed investigation of trends in long-term time series of groundwater quality, in order to analyze the sustainab...
#1Sarah Brudler (DTU: Technical University of Denmark)H-Index: 2
#2Karsten Arnbjerg-Nielsen (DTU: Technical University of Denmark)H-Index: 23
Last.Martin Rygaard (DTU: Technical University of Denmark)H-Index: 10
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Abstract The implementation, operation and decommissioning of stormwater management systems causes environmental damage, while at the same time reducing pollutant loads in receiving waters by treating stormwater. The focus in research has been either on assessing impacts caused by stormwater infrastructure, or risks associated with stormwater discharges, but rarely have these two sources of environmental impacts been combined to allow a comprehensive environmental evaluation of stormwater manage...
#1Sarah Brudler (DTU: Technical University of Denmark)H-Index: 2
#2Martin Rygaard (DTU: Technical University of Denmark)H-Index: 10
Last.Luca Vezzaro (DTU: Technical University of Denmark)H-Index: 10
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Abstract Stormwater carries pollutants that potentially cause negative environmental impacts to receiving water bodies, which can be quantified using life cycle impact assessment (LCIA). We compiled a list of 20 metals, almost 300 organic compounds, and nutrients potentially present in stormwater, and measured concentrations reported in literature. We calculated mean pollutant concentrations, which we then translated to generic impacts per litre of stormwater discharged, using existing LCIA char...
#1Maria Faragò (DTU: Technical University of Denmark)H-Index: 1
Last.Martin Rygaard (DTU: Technical University of Denmark)H-Index: 10
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Abstract Urban areas in Denmark are currently challenged by the increase in extreme precipitation events, resulting in heightened flood risk, and higher water stress caused by population growth. Therefore, we need to diversify water resources and reshape stormwater management. Our study evaluated the potential for increasing economic value while reducing the environmental impacts of implementing new concepts for non-potable rainwater use in a new urban development. We analysed five alternatives:...
#1Jonas Kjeld Kirstein (DTU: Technical University of Denmark)H-Index: 1
#2Klavs Høgh (NIRAS)
Last.Morten Borup (DTU: Technical University of Denmark)H-Index: 6
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ABSTRACTWe propose a method for quality assurance of raw data from water distribution networks in near real-time. Well-known and novel data analysis methods, including a timestamp drift test, are combined to produce a malfunction indicator database for diagnosing anomalies within data acquisition practices. The method was applied to 112 flow and 111 pressure data sets, covering on average 32 months, located throughout the distribution networks of three Danish utilities. Around 10% of measurement...
#1Berit GodskesenH-Index: 6
#2D. D. Sundaram (DTU: Technical University of Denmark)
Last.Martin RygaardH-Index: 10
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