ThinkNature / Nature-Based Solutions Handbook

Thinknature,; Mesimäki, Marja; Lehvävirta, Susanna

doi:10.26225/jerv-w202

Cited by 40 publications

(18 citation statements)

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“…Heavy rainfall in cities can lead to flood volumes that are 2–9 times higher than in rural areas (Hamdi et al., 2011 ; Paul & Meyer, 2001 ; Zhou et al., 2019 ), often causing considerable damage (Tingsanchali, 2012 ). Solutions to problems related to the urban water and energy balance have been proposed under various names such as Water Sensitive Urban Design (Wong, 2006 ), Low Impact Development (Qin et al., 2013 ), Sustainable Drainage Systems (Zhou, 2014 ), Sponge Cities (Gaines, 2016 ), and Nature Based Solutions (Somarakis et al., 2019 ). All these concepts promote increasing infiltration and effective storage capacity, of which the latter is crucial for their performance (Graham et al., 2004 ; Qin et al., 2013 ).…”

Section: Introductionmentioning

confidence: 99%

Urban Water Storage Capacity Inferred From Observed Evapotranspiration Recession

Jongen

Steeneveld

Beringer

et al. 2022

Geophysical Research Letters

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With a large and growing share of the world population living in cities (United Nations, 2018), the impact weather-related risks magnified by climate change, such as heatwaves and flooding (Wilby, 2007), also increases. In cities, air temperatures are typically higher than in the rural surroundings due to the Urban Heat Island effect (UHI; Oke, 1982;Oke et al., 2017;Santamouris, 2014). The UHI originates from the difference between the rural and urban energy balances due to lower albedo, radiation trapping, less vegetation, higher heat storage capacity and anthropogenic heat release (Oke, 1982). Because of its positive effect on evaporative cooling that is complemented by shading, urban vegetation is often given a central role in attempts to improve thermal comfort (Ennos, 2010). Indeed, higher vegetation fractions are associated with lower urban air and canopy temperatures (e.g., Gallo et al., 1993;Theeuwes et al., 2017;Weng et al., 2004), although in specific situations vegetation can cause higher temperatures (Meili et al., 2021). Wei and Shu (2020) showed that expanding the vegetation fraction

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Section: Introductionmentioning

confidence: 99%

Urban Water Storage Capacity Inferred From Observed Evapotranspiration Recession

Jongen

Steeneveld

Beringer

et al. 2022

Geophysical Research Letters

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show abstract

“…Heavy rainfall in cities can lead to flood volumes that are 2-9 times higher than in rural areas (Hamdi et al, 2011;Paul & Meyer, 2001;Zhou et al, 2019), often causing considerable damage (Tingsanchali, 2012). Solutions to problems related to the urban water and energy balance have been proposed under various names such as Water Sensitive Urban Design (Wong, 2006), Low Impact Development (Qin et al, 2013), Sustainable Drainage Systems (Zhou, 2014), Sponge Cities (Gaines, 2016), and Nature Based Solutions (Somarakis et al, 2019). All these concepts promote increasing infiltration and effective storage capacity, of which the latter is crucial for their performance (Graham et al, 2004;Qin et al, 2013).…”

Section: Supporting Informationmentioning

confidence: 99%

Urban water storage capacity inferred from observed evapotranspiration recession 

Jongen

Steeneveld

Beringer

et al. 2021

Preprint

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<p>The amount and dynamics of urban water storage play an important role in mitigating urban flooding and heat. Assessment of the capacity of cities to store water remains challenging due to the extreme heterogeneity of the urban surface. Evapotranspiration (ET) recession after rainfall events during the period without precipitation, over which the amount of stored water gradually decreases, can provide insight on the water storage capacity of urban surfaces. Assuming ET is the only outgoing flux, the water storage capacity can be estimated based on the timescale and intercept of its recession. In this paper, we test the proposed approach to estimate the water storage capacity at neighborhood scale with latent heat flux data collected by eddy covariance flux towers in eleven contrasting urban sites with different local climate zones, vegetation cover and characteristics and background climates (Amsterdam, Arnhem, Basel, Berlin, Helsinki, &#321;&#243;d&#378;, Melbourne, Mexico City, Seoul, Singapore, Vancouver). Water storage capacities ranging between 1 and 12 mm were found. These values correspond to e-folding timescales lasting from 2 to 10 days, which translate to half-lives of 1.5 to 7 days. We find ET at the start of a drydown to be positively related to vegetation fraction, and long timescales and large storage capacities to be associated with higher vegetation fractions. According to our results, urban water storage capacity is at least one order of magnitude smaller than the known water storage capacity in natural forests and grassland.</p>

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“…In recent years the idea of nature-based solutions (NBS) has gained significant attention for storm water mitigation (Dolman, 2020, Kalsnes, 2019. Naturebased solutions are blue-green infrastructures implemented at the human habitats (Somarakis, 2019). The main goal of NBS is to support sustainable and resilient city growth, mitigate climate change and restore the local ecosystem.…”

Section: Introductionmentioning

confidence: 99%

“…There are many types of NBS dedicated to support surface water regulation function in the city areas. The most effective are arboretums, residential parks, green roofs (intensive/smart), detention ponds (dry), retention ponds (wet), biofilters and mounds (Somarakis, 2019, Eisenberg, 2018. Recently, green roofs have been implemented at Fossum Terrasse in Baerum.…”

Section: Introductionmentioning

confidence: 99%

A Screening Method for Urban Drainage Zones

Komulainen¹,

Mørk²,

Al-Shiblawi³

et al. 2022

Linköping Electronic Conference Proceedings

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ThinkNature / Nature-Based Solutions Handbook

Cited by 40 publications

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Urban Water Storage Capacity Inferred From Observed Evapotranspiration Recession

Urban Water Storage Capacity Inferred From Observed Evapotranspiration Recession

Urban water storage capacity inferred from observed evapotranspiration recession

A Screening Method for Urban Drainage Zones

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ThinkNature / Nature-Based Solutions Handbook

Cited by 40 publications

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Urban Water Storage Capacity Inferred From Observed Evapotranspiration Recession

Urban Water Storage Capacity Inferred From Observed Evapotranspiration Recession

Urban water storage capacity inferred from observed evapotranspiration recession&#160;

A Screening Method for Urban Drainage Zones

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Urban water storage capacity inferred from observed evapotranspiration recession