2014
DOI: 10.1016/j.scitotenv.2014.06.099
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Influence of urban land development and subsequent soil rehabilitation on soil aggregates, carbon, and hydraulic conductivity

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Cited by 92 publications
(70 citation statements)
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“…It is likely that many of the contrary findings may be related to alterations in soil properties from anthropogenic land use practices that cause compaction, increased bulk density, and concomitant declines in K SAT . Indeed, numerous studies conducted in diverse geologic and geographic settings have demonstrated reductions in K SAT ranging from 1.8 to 100 times due to agricultural and urban land use practices (Chen, Day, Wick, & McGuire, 2014;Knighton, White, Lennon, & Rajan, 2014;Singleton & Addison, 1999;Wang, McKeague, & Switzer-Howse, 1985). Such declines in K SAT can have profound implications for runoff generating properties and by extension, flooding, soil erosion, and water quality.…”
Section: Uncertainty and Limitationsmentioning
confidence: 99%
“…It is likely that many of the contrary findings may be related to alterations in soil properties from anthropogenic land use practices that cause compaction, increased bulk density, and concomitant declines in K SAT . Indeed, numerous studies conducted in diverse geologic and geographic settings have demonstrated reductions in K SAT ranging from 1.8 to 100 times due to agricultural and urban land use practices (Chen, Day, Wick, & McGuire, 2014;Knighton, White, Lennon, & Rajan, 2014;Singleton & Addison, 1999;Wang, McKeague, & Switzer-Howse, 1985). Such declines in K SAT can have profound implications for runoff generating properties and by extension, flooding, soil erosion, and water quality.…”
Section: Uncertainty and Limitationsmentioning
confidence: 99%
“…This relationship is not surprising because it is well understood that SOM binds soil minerals and builds structural space between aggregates, which typically lowers BD (Heuscher et al, 2005; Celik et al, 2010), increases porosity, and thus improves soil water dynamics (Boyle et al, 1989; Yang and Zhang, 2011). Indeed, experiments that incorporate compost into urban‐compacted soil have verified these interactions (Sloan et al, 2012; Chen et al, 2014). However, the trends between vegetation type in this study, although intriguing, were not statistically significant and were largely confined to the upper 0.15 m. Moreover, studies suggest it may take decades before these marginal shifts in soil properties beneath the prairie gardens yield significant change in soil function at depth (Matamala et al, 2008; Brye and Riley, 2009).…”
Section: Discussionmentioning
confidence: 93%
“…Few studies examine K sat in urban subsoil, except for where physical remediation techniques have been implemented to improve soil permeability at depth. For example, a study of loamy soils in Montgomery, VA, showed subsoil tillage to result in K sat at a depth of 0.25 to 0.40 m of 1.8 × 10 −5 m s −1 , a twofold increase compared with K sat in compacted soil that lacked the remediation treatment (Chen et al, 2014). Our measured rates of K sat at a depth of 0.30 to 0.45 m were substantially less (often <2.8 × 10 −6 m s −1 ) by comparison and concur with BD and PR at this depth that demonstrate a moderate degree of compaction.…”
Section: Discussionmentioning
confidence: 99%
“…Many factors, including texture, organic content, soil aggregation, pH, moisture and the overall soil structure, can affect the hydraulic conductivity and the pathway of pollutants in a soil-water system. [18][19][20][21][22] Soils with a different texture indicate the distribution of different particle sizes, which in turn, influences the hydraulic conductivity by forming different microporous and mesoporous structures. [19,23] It has been reported that coarsely-structured soil with low clay content easily results in a higher hydraulic conductivity and lower capacity to hold nutrients.…”
Section: Further Researchmentioning
confidence: 99%