Daniel W. Smith

ORCID: 0000-0002-0768-0622
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About
Contact & Profiles
Research Areas
  • Child Abuse and Trauma
  • Water Quality Monitoring and Analysis
  • Water Treatment and Disinfection
  • Hydrology and Watershed Management Studies
  • Advanced oxidation water treatment
  • Intimate Partner and Family Violence
  • Fish Ecology and Management Studies
  • Parasitic Infections and Diagnostics
  • Water Quality and Pollution Assessment
  • Sexual Assault and Victimization Studies
  • Migration, Health and Trauma
  • Hydrological Forecasting Using AI
  • Pharmaceutical and Antibiotic Environmental Impacts
  • Wastewater Treatment and Reuse
  • Membrane Separation Technologies
  • Water Quality Monitoring Technologies
  • Wastewater Treatment and Nitrogen Removal
  • Soil and Water Nutrient Dynamics
  • Fecal contamination and water quality
  • Urban Stormwater Management Solutions
  • Child Nutrition and Water Access
  • Aquatic Ecosystems and Phytoplankton Dynamics
  • Child and Adolescent Psychosocial and Emotional Development
  • Hydrology and Sediment Transport Processes
  • Soil erosion and sediment transport

Medical University of South Carolina
2012-2024

National Center for Victims of Crime
2007-2024

Integrated Statistics (United States)
2024

Stanford University
2021-2023

Palo Alto Institute
2022-2023

University of East Anglia
2023

University of Bristol
2019-2022

University College London
2022

University of Glasgow
2021

Toronto Metropolitan University
2021

The use of conventional water and wastewater treatment processes becomes increasingly challenged with the identification more contaminants, rapid growth population industrial activities, diminishing availability resources. Three emerging technologies, including membrane filtration, advanced oxidation (AOPs), UV irradiation, hold great promise to provide alternatives for better protection public health environment thus are reviewed in this paper. emphasis was placed on their basic principles,...

10.1139/s02-020 article EN Journal of Environmental Engineering and Science 2002-07-01

Abstract Storm water quality can have a significant impact on receiving bodies. Two of the major impacts be to aquatic Ufe in body and downstream users that might use as raw source for drinking water. With increased understanding importance public health recognition protecting sources is an integral component treatment process, there greater need identify possible contaminants found storm quality. Presented literature review quantify contaminant data available The article focuses work...

10.1080/10643389509388476 article EN Critical Reviews in Environmental Science and Technology 1995-05-01

The quantum yields of the UV photolysis free chlorine (OCl – and HOCl) at 254 nm were measured in a series batch reactor experiments from pH 5 to 10 various concentrations. When concentration is low (3.5 mg Cl/L) moderate (70 Cl/L), HOCl OCl are 1.0 ± 0.1 0.9 0.1, respectively. increases higher levels (>70 yield significantly, whereas essentially independent concentration. In addition, based on experimental results obtained this research, mathematic model was developed that can be used...

10.1139/s06-052 article EN Journal of Environmental Engineering and Science 2007-05-01

Although research suggests that witnessed violence is linked to adverse mental health outcomes among adolescents, little known about its prevalence or significance in predicting psychiatric symptoms beyond the contribution of co-occurring risk factors. The purpose this study was identify national parental and community examine these life stressors as independent factors for posttraumatic stress disorder (PTSD) major depressive episode (MDE) adolescents. A secondary aim determine which...

10.1111/j.1469-7610.2008.02004.x article EN Journal of Child Psychology and Psychiatry 2009-02-10

This study explored whether the response of urban adolescents to community violence exposure differs from their family and sexual assault. More specifically, authors desensitization was more common compared with other violence-related stressors. Participants included 1,245 drawn a national probability sample 4,023 youth (aged 12-17 years) who were interviewed about history interpersonal exposure, symptoms posttraumatic stress disorder (PTSD), delinquency. A negative curvilinear effect on...

10.1037/0002-9432.77.3.434 article EN American Journal of Orthopsychiatry 2007-01-01

Clinicians often assert that disclosure of childhood rape is beneficial to victims because it sets the occasion for protective action and can bring them into contact with professionals trained address rape-related mental health needs. Consistent this hypothesis who disclose their victimization soon after occurs are at lower risk later psychosocial difficulties relative those delay or never disclose. We explored issue a nationally representative sample 3,220 adult women; 288 (8.9%) endorsed...

10.1177/1077559503260309 article EN Child Maltreatment 2004-02-01

Child sexual assault is a risk factor for wide range of emotional and behavioral problems. Little known about mental health functioning in relation to victims' decisions tell someone (or not) their assault. This study used data from nationally representative sample 4,023 adolescents examine the between disclosure characteristics outcomes. Results indicated that youth who disclosed within 1 month were at reduced current major depressive episode (MDE) delinquency. No was found latency...

10.1080/15374410701279701 article EN Journal of Clinical Child & Adolescent Psychology 2007-04-10

We observed several freshwater predators, including the odonate larvae Pachydiplax longipennis and Anax junius, hemipterans Notonecta unifasciata Buenoa scimitra, dytiscid larva Acilius semisulcatus, juvenile Gambusia affinis, feeding on a variety of microcrustacean prey determined frequency component parts predator–prey interactions (encounter, attack, capture, ingestion). Encounter rates were most important determinant predator selectivity when predators presented with prey. When only...

10.1139/f85-216 article EN Canadian Journal of Fisheries and Aquatic Sciences 1985-11-01

In Canada, perfluoroalkyl acids (PFAAs) have been the focus of several monitoring programs and research surveillance studies. Here, we integrate recent data perform a multi-media assessment to examine current status ongoing trends PFAAs in Canada. Concentrations perfluorooctane sulfonate (PFOS), perfluorooctanoate (PFOA), other long-chain perfluorocarboxylates (PFCAs) air, water, sediment, fish, birds across Canada are generally related urbanization, with elevated concentrations observed...

10.1016/j.envint.2013.05.008 article EN cc-by-nc-nd Environment International 2013-07-04

Recent investigations of risk factors for adult sexual assault have focused on a varietyof behavioral and cognitive variables, including victim risk-taking behaviors. In this study, appraisals riskyactivities, intentions to engage in behaviors, alcohol use were examined relation future involvement behaviors the incidence sample college women. At Time 1, 50 (26%) participants reported historyof victimization at 2, 16 (12.7%) new victimizations. Discriminant function analysis indicated that...

10.1177/0886260502017002004 article EN Journal of Interpersonal Violence 2002-02-01
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