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Articles 1 - 13 of 13
Full-Text Articles in Physical Sciences and Mathematics
Water Quality Monitoring And Constituent Load Estimation In The Kings River Near Berryville, Arkansas, 2009, L.B. Massey, B.E. Haggard
Water Quality Monitoring And Constituent Load Estimation In The Kings River Near Berryville, Arkansas, 2009, L.B. Massey, B.E. Haggard
Technical Reports
The Arkansas Water Resources Center monitored water quality at the Kings River near Berryville, Arkansas, during base flow conditions and storm events from July 1, 2009 through June 30, 2010. Water samples were collected manually with an alpha or Kemmerer style sampler and analyzed for nitrate‐nitrogen (NO₃‐N), sulfate (SO₄), chloride (Cl), soluble reactive phosphorus (SRP), total phosphorus (TP), dissolved ammonia (NH₃‐N), total N (TN), total suspended solids (TSS), and turbidity. Physico‐chemical parameters were measured in field including pH, conductivity, water temperature, and dissolved oxygen concentration. The selected site was at an established discharge monitoring station maintained by the US Geological …
Water Quality Monitoring And Constituent Load Estimation In The Upper White River Basin, 2009, L.B. Massey, B.E. Haggard, R.S. Avery, R.A. Morgan
Water Quality Monitoring And Constituent Load Estimation In The Upper White River Basin, 2009, L.B. Massey, B.E. Haggard, R.S. Avery, R.A. Morgan
Technical Reports
The Arkansas Water Resources Center monitored water quality at seven sites in the Upper White River Basin during base flow conditions and storm events from July 1, 2009 through June 30, 2010. Water samples were collected manually with an alpha or Kemmerer style sampler and analyzed for nitrate‐nitrogen (NO₃‐N), sulfate (SO₄), chloride (Cl‐), soluble reactive phosphorus (SRP), total phosphorus (TP), dissolved ammonia (NH₃‐N), total N (TN), total suspended solids (TSS), and turbidity. Physico‐chemical parameters were measured in field including pH, conductivity, water temperature, and dissolved oxygen concentration. The selected sites were all at established discharge monitoring stations maintained by the …
Water Quality Monitoring And Constituent Load Estimation In The Upper Illinois River Watershed, 2009, L.B. Massey, B.E. Haggard
Water Quality Monitoring And Constituent Load Estimation In The Upper Illinois River Watershed, 2009, L.B. Massey, B.E. Haggard
Technical Reports
The Arkansas Water Resources Center (AWRC) monitored water quality at eight sites in the Upper Illinois River Watershed (UIRW) during base flow conditions and storm events from July 1, 2009 through June 30, 2010. Water samples were collected manually with an alpha or Kemmerer style sampler and analyzed for nitrate-nitrogen (NO₃-N), sulfate (SO₄), chloride (Cl), soluble reactive phosphorus (SRP), total phosphorus (TP), dissolved ammonia (NH₃-N), total N (TN), total suspended solids (TSS), and turbidity. Physico-chemical parameters were measured in the field including pH, conductivity, water temperature, and dissolved oxygen concentration. The selected sites were at established discharge monitoring stations maintained …
Water Quality Outreach And Education Strategies For Northwest Arkansas And Regional Watersheds, Katie Teague, John Pennington
Water Quality Outreach And Education Strategies For Northwest Arkansas And Regional Watersheds, Katie Teague, John Pennington
Technical Reports
Stakeholders impact water quality and have a responsibility to protect, maintain, and improve water quality throughout northwest Arkansas and watersheds everywhere. But unless the roles of responsibility and stewardship among all stakeholders is communicated clearly and repetitively, there will be little progress made towards maintaining and improving water quality, while lawsuits, blame, and inaction will persist. Thus, the overall goal of water quality education and outreach is to improve the ability of stakeholders to take care of their watershed by teaching them what actions are or are not beneficial for water quality protection, maintenance, or improvements. Specific outreach and education …
Regulatory Drivers For The Upper Illinois River And Other Regional Watersheds, Ray Weida
Regulatory Drivers For The Upper Illinois River And Other Regional Watersheds, Ray Weida
Technical Reports
Environmental regulations are put in place to protect the air, water and land from threat of pollution. Regulatory programs establish pollution limits, determine compliance, and enforce environmental laws and regulations for waterbodies within the watershed based on the designated uses for the individual waterbody. These established regulations make sure that the state’s mandatory standards for clean water and the minimum federal standards are being achieved. Environmental regulations are established on both the federal and state levels. On the federal level, Congress has authorized the U.S. Environmental Protection Agency and other governmental agencies to create and enforce regulations. The EPA delegates …
Handbook Of Best Management Practices For The Upper Illinois River Watershed And Other Regional Watersheds, B.E. Haggard, Andrew Sharpley, Leslie Massey
Handbook Of Best Management Practices For The Upper Illinois River Watershed And Other Regional Watersheds, B.E. Haggard, Andrew Sharpley, Leslie Massey
Technical Reports
Management actions are strategies carried out by stakeholders that are designed to implement water quality protection and restoration activities with a watershed. This publication presents a range of beneficial management actions from simple to complex that address the pollutant potential that is common across the watershed landscape of northwest Arkansas. Some management actions can be undertaken by any watershed stakeholder at any time, while others need to be carefully planned or lobbied to local and state government. The following chapters address potential management actions that can be taken by individuals or groups at households, businesses, institutions, municipalities, industrial facilities, farms, …
Water Quality And Watershed Conditions In The Upper Illinois River Watershed, Brian Haggard, Andrew Sharpley, Leslie Massey
Water Quality And Watershed Conditions In The Upper Illinois River Watershed, Brian Haggard, Andrew Sharpley, Leslie Massey
Technical Reports
The Illinois River and its tributaries have many uses that have been designated by the Arkansas Department of Environmental Quality including fisheries, aquatic life, primary contact waters, secondary contact waters, drinking water supply, and agricultural and industrial water supply, and water quality affects whether these uses can be supported. Since water quality can be quite complex, many types of measurements can be used as water quality indicators; some common water quality measurements include pH, dissolved oxygen concentration, and conductivity. More complicated measurements include determining nutrients, sediment and bacteria in the water, as well as assessing the aquatic life—aquatic insects, fish, …
Final Report To The Illinois River Watershed Partnership: Recommended Watershed Based Strategy For The Upper Illinois River Watershed, Northwest Arkansas, B.E. Haggard, Andrew Sharpley, Leslie Massey, Katie Teague
Final Report To The Illinois River Watershed Partnership: Recommended Watershed Based Strategy For The Upper Illinois River Watershed, Northwest Arkansas, B.E. Haggard, Andrew Sharpley, Leslie Massey, Katie Teague
Technical Reports
This publication serves as the final report to the Illinois River Watershed Partnership (IRWP) regarding the project entitled “Development of the Watershed Management Plan for the Upper Illinois River”. This document was intended to provide this stakeholder based organization guidance in the development of a watershed management plan for the Illinois River drainage area (i.e., the Upper Illinois River Watershed, UIRW) in Arkansas. This document represents the final report from the Arkansas Water Resources Center (AWRC) and affiliated project investigators, and the IRWP may alter this document before the final submission of its watershed management plan to the Arkansas Natural …
A Vision For The Upper Illinois River Watershed, Kent Thornton
A Vision For The Upper Illinois River Watershed, Kent Thornton
Technical Reports
The Upper Illinois River Watershed is a special place where the threads of private, public and non‐profit partnerships are woven into the regional fabric of economic vitality; environmental stability, and social responsibility. Through its cultural heritage, the legacy of land stewardship, integrated with respect for personal property rights, continues. Natural resources are restored and sustained within a healthy mosaic of fields, forests, farms, woodlands, wetland prairies, pastures, cities, and naturally flowing streams. It is an incubator for green energy, entrepreneurial, educational and environmental initiatives.
Sediment Phosphorus Flux In Beaver Lake In Northwest Arkansas, Taraf Abu Hamdan, Thad Scott, Duane Wolf, Brian E. Haggard
Sediment Phosphorus Flux In Beaver Lake In Northwest Arkansas, Taraf Abu Hamdan, Thad Scott, Duane Wolf, Brian E. Haggard
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
Internal phosphorus (P) loading may influence primary production in lakes, but the influence of sediment-derived P has not been well studied in Beaver Lake of Northwest Arkansas. Soluble reactive phosphorus (SRP), dissolved organic P (DOP), and total dissolved P (TDP) sediment-water fluxes were determined using intact sediment cores collected from deepwater environments in the riverine, transition zone, and lacustrine zones of Beaver Lake. The SRP, DOP, and TDP fluxes were also estimated from cores collected from shallow locations in the transition zone. There was a net positive SRP (0.001 – 0.005 µg P cm-2 h-1), DOP (0.005 – 0.01 µg …
Assessment Of Total Organic Carbon Concentrations In Two Streams Of Northwest Arkansas: Town Branch And Brush Creek, Abigail N. Washispack, Jason A. Mcginnis, Brian E. Haggard
Assessment Of Total Organic Carbon Concentrations In Two Streams Of Northwest Arkansas: Town Branch And Brush Creek, Abigail N. Washispack, Jason A. Mcginnis, Brian E. Haggard
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
Within a stream, changes in flow rate and local environment can affect the total organic content (TOC) concentrations in the stream water and TOC delivery downstream to water supply reservoirs. Disinfection by-products (DBPs) result from various chemical reactions between chlorine, bromine, and organic carbon in raw water during the drinking water treatment process; DBPs are potential carcinogens and are regulated by the U.S. Environmental Protection Agency. In this project, we measured the TOC concentrations in two streams in the Beaver Lake Watershed: Town Branch and Brush Creek. We then compared TOC concentrations between the two streams and to that observed …
Multimedia And Ultrafiltration For Reverse Osmosis Pretreatment Aboard Naval Vessels, Angela C. Mehner
Multimedia And Ultrafiltration For Reverse Osmosis Pretreatment Aboard Naval Vessels, Angela C. Mehner
Inquiry: The University of Arkansas Undergraduate Research Journal
The US Navy is interested in improving the pretreatment for shipboard Reverse Osmosis potable water systems. To investigate this problem, the Navy prepared a Task for the 2010 WERC (http://www.werc.net) competition. The research described in this paper was performed to compete in this WERC Task and ultimately received a 1st place award. Several technologies were considered as options for improving the current pretreatment process. Multi-media filtration followed by ultrafiltration was chosen as the most economical solution. This paper presents the final design for a full-scale shipboard system that incorporates multimedia filtration and ultrafiltration yet requires minimal space and optimal power …
Tributary Contribution To The Spring River, Ar As Determined By Water Quality Analyses, T. R. Brueggen, C. B. Dowling, Jennifer L. Bouldin
Tributary Contribution To The Spring River, Ar As Determined By Water Quality Analyses, T. R. Brueggen, C. B. Dowling, Jennifer L. Bouldin
Journal of the Arkansas Academy of Science
Tributaries often play an important role in the chemical properties, productivity and species diversity in a river channel. The objective of this study was to analyze the effect of tributaries on the water quality of the Spring River, AR. The Spring River has an approximate length of 92 km and has been divided into four zones according to the water source(s) that feed that segment of river. In this study approximately 30 km of the upstream river segment were sampled, which included nine tributaries contributing to the main river channel and incorporated the upper three previously defined zones. Samples were …