Volume 11, Issue 4 (2015) | American Journal of Environmental Sciences

Future Water Budgets and Water Supply Stress under Climate Change and Urbanization in the Upper Neuse River Basin, North Carolina, USA

Michelle Tong Sun — 2015-06-30

American Journal of Environmental Sciences, Published online: 30 June 2015; doi:10.3844/ajessp.2015.175.185

Urbanization and climate change are the two major threats to watersheds and the environment in the United States. It is imperative to understand the sensitivity of hydrologic responses to climate and ...

Effects of Land Cover on Streamflow Variability in a Small Iowa Watershed: Assessing Future Vulnerabilities

Keith Schilling — 2015-07-06

American Journal of Environmental Sciences, Published online: 6 July 2015; doi:10.3844/ajessp.2015.186.198

Agricultural expansion and urbanization, coupled with climate change represent major threats to the sustainability of river ecosystems and infrastructure. In this study, we evaluated how subbasins wit...

Hydrologic Modeling to Evaluate the Impact of Hydraulic Fracturing on Stream Low Flows: Challenges and Opportunities for a Simulation Study

Suresh Sharma — 2015-08-07

American Journal of Environmental Sciences, Published online: 7 August 2015; doi:10.3844/ajessp.2015.199.215

Hydraulic fracturing (fracking) has been increasing in the eastern part of Ohio for the last few years leading to the increased stress on water resources, particularly on the hydrological low flows. Y...

Preliminary Evaluation of a Permeable Reactive Barrier for Reducing Groundwater Nitrate Transport from a Large Onsite Wastewater System

Charles Humphrey — 2015-08-25

American Journal of Environmental Sciences, Published online: 25 August 2015; doi:10.3844/ajessp.2015.216.226

A permeable reactive barrier was installed between a large Onsite Wastewater System (OWS) and a monitoring well located down-gradient from the OWS. Groundwater samples from the well had shown elevated...

Evaluation of Alternative Cropping and Nutrient Management Systems with Soil and Water Assessment Tool for the Raccoon River Watershed Master Plan

Philip Gassman — 2015-09-09

American Journal of Environmental Sciences, Published online: 9 September 2015; doi:10.3844/ajessp.2015.227.244

The Soil and Water Assessment Tool (SWAT) ecohydrological model was used to assess a suite of adaptive nutrient management, alternative cropping system and combination scenarios in support of a Master...

Identification of Erosion Hotspot Area using GIS and MCE Technique for Koga Watershed in the Upper Blue Nile Basin, Ethiopia

Tewodros T. Assefa — 2015-09-10

American Journal of Environmental Sciences, Published online: 10 September 2015; doi:10.3844/ajessp.2015.245.255

Soil erosion is a serious threat in Ethiopian highlands. Continuous land degradation resulted in loss of fertile top soil leading to low agricultural productivity. In addition, excessive soil erosion ...

Evaluating Rainwater Harvesting System for School Buildings

Manoj K. Jha — 2015-09-22

American Journal of Environmental Sciences, Published online: 22 September 2015; doi:10.3844/ajessp.2015.256.261

Freshwater is becoming limited as our climate and weather pattern changes. In this study, a rainwater harvesting system was evaluated for collecting and utilizing rainwater for uses in non-potable pur...

Local Climate Trends and Farmers’ Perceptions in Southern Tigray, Northern Ethiopia

M. G. Abrha — 2015-10-08

American Journal of Environmental Sciences, Published online: 8 October 2015; doi:10.3844/ajessp.2015.262.277

This study aimed to investigate changes in local climate, farmers’ perception to the change and factors affecting perception of farmers to climate change. For trend analysis, we gathered station bas...

Impacts of Large-Scale Stormwater Green Infrastructure Implementation and Climate Variability on Receiving Water Response in the Salt Lake City Area

Chris York — 2015-10-20

American Journal of Environmental Sciences, Published online: 20 October 2015; doi:10.3844/ajessp.2015.278.292

This study evaluated impacts of Green Infrastructure (GI) as a stormwater management practice on return flows and the further Implications of climate variability. The goal was to create a model to exp...

Fresh Water Savings Through the Use of Municipal Effluents in Concrete Pavement

Benard Chola — 2015-11-03

American Journal of Environmental Sciences, Published online: 3 November 2015; doi:10.3844/ajessp.2015.293.312

Wastewater reuse presents a promising solution to the growing pressure on the world’s water resources. The use of municipal wastewater effluents for concrete production in the construction industry ...

Identifying Nutrient Contributors in North Carolina’s Coastal Plain Blackwater Rivers

Narayan B. Rajbhandari — 2015-11-05

American Journal of Environmental Sciences, Published online: 5 November 2015; doi:10.3844/ajessp.2015.313.324

The goal of this study was to assess potential nitrogen and phosphorus contribution from point sources and non-point sources in North East Cape Fear River (NECFR) watershed in North Carolina. A waters...