{"id":65,"date":"2015-05-24T17:23:12","date_gmt":"2015-05-24T21:23:12","guid":{"rendered":"https:\/\/sites.temple.edu\/geotoran\/?page_id=65"},"modified":"2025-09-18T14:19:32","modified_gmt":"2025-09-18T18:19:32","slug":"urban-streams","status":"publish","type":"page","link":"https:\/\/sites.temple.edu\/geotoran\/research\/urban-streams\/","title":{"rendered":"Urban Streams"},"content":{"rendered":"

The goal of these projects is to add to our understanding of urban hydrology through assessments of stream health and monitoring stormwater control measures to improve stream health.\u00a0 For publications, see the bottom of the page.\u00a0 <\/strong>See also the Stormwater Control Monitoring tab<\/a> for related publications.<\/p>\n

FUNDING SOURCES: <\/em><\/p>\n

William Penn Foundation<\/em>\u00a0 Our project in the suburbs of Philadelphia is part of a larger effort called the Delaware River Watershed Initiative<\/a> with groups working in different parts of the watershed.\u00a0 Our cluster works in suburban Philadelphia streams.<\/p>\n

National Science Foundation<\/em> for work on the Urban Critical Zone Network<\/a>, along with colleagues from University of Maryland Baltimore County and others.<\/p>\n\n\n\n\n\n
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PUBLICATIONS:<\/p>\n

Be sure to see Groundwater-surface water interaction tab<\/a> for more publications related to this topic and Grad Students tab for theses on this topic.<\/em><\/p>\n

Toran, L., Bain, D., Hopkins, K., Moore, J., and O\u2019Donnell, E., 2025. Evaluating Trends Using Total Impervious Cover as a Metric for Degree of Urbanization, Hydrological Processes, http:\/\/dx.doi.org\/10.1002\/hyp.70219<\/p>\n

Kirker, A. N., Cushman, E., & Toran, L., 2024. Disconnect between Capture Areas and Stormwater Runoff: A Pre-and Postinstallation Model of Two Stormwater Control Measures. Journal of Sustainable Water in the Built Environment<\/em>, 10<\/em>(3), 04024006.<\/p>\n

Kirker, A.N. and Toran, L., 2023. When impervious cover doesn’t predict urban runoff: Lessons from distributed overland flow modeling. Journal of Hydrology<\/em>, 621<\/em>, p.129539. DOI: 10.1016\/j.jhydrol.2023.129539<\/p>\n

Oswald, C.J., Kelleher, C., Ledford, S.H., Hopkins, K.G., Sytsma, A., Tetzlaff, D., Toran, L., Voter, C., 2023.\u00a0 Integrating urban water fluxes and moving beyond impervious surface cover: A review.\u00a0 Journal of Hydrology, 618: doi.org\/10.1016\/j.jhydrol.2023.129188<\/p>\n

Kirker, A.N. and Toran, L. 2023.\u00a0 Dual isotopes of nitrate reveal varying flow paths to stormwater retention basins.\u00a0 Catena<\/em> 220: 106681.<\/p>\n

Ledford, S.H. Diamond, J.S., and Toran, L. 2021. Large spatiotemporal variability in metabolic regimes for an urban stream draining four wastewater treatment plants with implications for dissolved oxygen monitoring. PLOS ONE.<\/em> 16(8) e0256292 https:\/\/doi.org\/10.1371\/journal.pone.0256292 pdf<\/a><\/p>\n

Beganskas, S., and Toran, L. 2021. Urban stream temperature patterns: Spatial and temporal heterogeneity in the Philadelphia region, Pennsylvania, USA.\u00a0 Accepted in Hydrological Processes. <\/em>pdf<\/a>
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Beganskas et al.,\u00a0 2021. Coupling PCSWMM and WASP to evaluate green stormwater infrastructure impacts to storm sediment loads in an urban watershed.\u00a0 Journal of the American Water Resources Association. 57 (1): 134-153 pdf<\/a>.<\/p>\n

Ledford, S.H., Kurz, M., and Toran, L. 2021.\u00a0 Contrasting Raz-Rru stream metabolism and nutirent uptake downstream of urban wastewater effluent sites.\u00a0 Freshwater Science. 40:\u00a0 pdf<\/a>.<\/p>\n

Ledford, S.H. and Toran, L. 2020. Downstream evolution of wastewater treatment plan nutrient signals using high-temporal monitoring.\u00a0 Hydrological Processes<\/em> 34: 852-864. pdf<\/a><\/p>\n

Rossi, R.J. and Toran, L. 2019. Exploring the potential for groundwater inundation in coastal US cities due to interactions between sewer infrastructure and global change. Environmental Earth Sciences<\/em> 78: 258. https:\/\/doi.org\/10.1007\/s12665-019-8261-9 pdf<\/a><\/p>\n

Arnold, E., & Toran, L. (2018). Effects of Bank Vegetation and Incision on Erosion Rates in an Urban Stream. Water<\/em>, 10<\/em>(4), 482. pdf<\/a><\/p>\n

Price, J. R., Ledford, S. H., Ryan, M. O., Toran, L., & Sales, C. M. (2018). Wastewater treatment plant effluent introduces recoverable shifts in microbial community composition in receiving streams. Science of the Total Environment<\/em>, 613<\/em>, 1104-1116. pdf<\/a><\/p>\n

Toran, L. and Jedrzejczyk , C. 2017.\u00a0 Water level monitoring to assess the effectiveness of stormwater infiltration trenches.\u00a0 Environmental and Engineering Geosciences<\/em>. 23(2): 113-124. pdf<\/a><\/p>\n

Toran, L.\u00a0 2016.\u00a0 Water level loggers as a low-cost tool for monitoring of stormwater control measures. Water. 8, 346; doi:10.3390\/w8080346 (10 pp) pdf<\/a><\/p>\n

Klein, T and Toran, L.\u00a0 2016.\u00a0 Collocation of hydrologic and biological attenuation of nitrate in an urban stream.\u00a0 Hydrological Processes.\u00a0 in press DOI: 10.1002\/hyp.10821 pdf<\/a><\/p>\n

Toran, L, Hughes, B., Nyquist, J.E. Ryan, R. 2012. Using hydrogeophysics to monitor change in hyporheic flow around stream restoration structures. Environmental & Engineering Geoscience, 18, 83-97.<\/p>\n

Toran, L., Gross, K., and Yang, Y. Effects of restricted recharge in an urban karst system. Environmental Geology, 58: 131-139.\u00a0 Be sure to see Karst tab for more publications on this topic.<\/em><\/p>\n

Toran, L. and Grandstaff, D. 2007. Variation of nitrogen concentrations in stormpipe discharge in a residential watershed. Journal of the American Water Resources Association. 43(3): 630-641.<\/p>\n

Ham, Jeffrey, Toran, Laura, and Cruz, Jay, 2006. Effect of upstream ponds on stream temperature. Environmental Geology. DOI: 10.1007\/s00254-006-0186-4<\/p>\n","protected":false},"excerpt":{"rendered":"

The goal of these projects is to add to our understanding of urban hydrology through assessments of stream health and monitoring stormwater control measures to improve stream health.\u00a0 For publications, see the bottom of the page.\u00a0 See also the Stormwater … Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":4114,"featured_media":0,"parent":61,"menu_order":1,"comment_status":"open","ping_status":"closed","template":"onecolumn-page.php","meta":{"footnotes":""},"class_list":["post-65","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/sites.temple.edu\/geotoran\/wp-json\/wp\/v2\/pages\/65","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sites.temple.edu\/geotoran\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sites.temple.edu\/geotoran\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sites.temple.edu\/geotoran\/wp-json\/wp\/v2\/users\/4114"}],"replies":[{"embeddable":true,"href":"https:\/\/sites.temple.edu\/geotoran\/wp-json\/wp\/v2\/comments?post=65"}],"version-history":[{"count":4,"href":"https:\/\/sites.temple.edu\/geotoran\/wp-json\/wp\/v2\/pages\/65\/revisions"}],"predecessor-version":[{"id":1486,"href":"https:\/\/sites.temple.edu\/geotoran\/wp-json\/wp\/v2\/pages\/65\/revisions\/1486"}],"up":[{"embeddable":true,"href":"https:\/\/sites.temple.edu\/geotoran\/wp-json\/wp\/v2\/pages\/61"}],"wp:attachment":[{"href":"https:\/\/sites.temple.edu\/geotoran\/wp-json\/wp\/v2\/media?parent=65"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}