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- Mantilla, Ivan, 1984-, et al.
(författare)
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Evaluating the infiltration performance of grassed swales : Comparison between point measurements and a full-scale infiltration method : [Évaluation des performances d'infiltration d'une noue enherbée : Comparaison entre des mesures ponctuelles et une méthode d'infiltration grandeur nature]
- 2023
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Konferensbidrag (refereegranskat)abstract
- Due to large spatial and temporal variations of soil properties that govern swale infiltration capacities, traditional methods for estimating saturated hydraulic conductivity (ksat) values could potentially lead to erroneous estimation of the total system infiltration capacity. To increase the knowledge of grassed swale infiltration performance and the relationship between hydraulic properties related to the spatial variation within the swale, two methods were applied to estimate ksat values: 1) point measurements using the Modified Philip Dunne (MPD) Infiltrometer, and 2) a full-scale infiltration test (FSIT). A large variation in calculated ksat values was found, ranging from 22 to 1382 mm/hr, with lower/higher values at the swale bottom, and right swale slope respectively. Infiltration point measurements, with a geometric mean of 81 mm/hr, showed higher infiltration rates than those obtained from FSIT, which yielded 34 and 22 mm/hr (for test 1 and 2 respectively). Moreover, FSIT results showed an agreement with ksat values obtained from MPD infiltrometer at the swale bottom. In addition, infiltration rates are significantly reduced as the groundwater mound gets closer to the bottom of the grassed swale.
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- Yadav, Agata, et al.
(författare)
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Support Needs Among Older Tenants Living in Public Housing in Sweden : Perspectives of Janitors and Maintenance Staff
- 2023
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Ingår i: Journal of Applied Gerontology. - 1552-4523. ; 42:8, s. 1727-1737
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Tidskriftsartikel (refereegranskat)abstract
- Neighborhood support can improve aging in place for older adults, but research on the role of public housing staff in supporting older tenants is lacking. Twenty-nine participants (janitors, n = 11; maintenance staff, n = 18) collected data about critical situations among older tenants residing in apartments in Sweden. Modifying the Critical Incident Technique (CIT) and applying a mixed-methods design, quantitative and qualitative data were collected and analyzed with descriptive statistics and thematic analysis, integrated through narrative. We found that older tenants asked staff for help with daily tasks. The staff identified CI management dilemmas in meeting older tenants' support needs while following the housing company's regulations, maintaining professional responsibilities, respecting individual work attitudes and preferences, and experienced a lack of competencies in some situations. Staff members were responsive to offering support in simple, practical, and emotional situations and in addressing matters they perceived as deficits in social and health services.
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