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Articles 1 - 10 of 10
Full-Text Articles in Physical Sciences and Mathematics
How To Collect Your Water Sample And Interpret The Results For The Livestock Analytical Package, Bradley J. Austin, Dirk Philipp, Mike Daniels, Brian E. Haggard
How To Collect Your Water Sample And Interpret The Results For The Livestock Analytical Package, Bradley J. Austin, Dirk Philipp, Mike Daniels, Brian E. Haggard
Fact Sheets
A plentiful supply of clean water is crucial for livestock health and productivity. To determine the quality of your livestock’s water resources, periodic sampling and analysis is needed. The Arkansas Water Resources Center (AWRC) in cooperation with the UA Cooperative Extension Service offers several analytical packages to assess the quality of your water resources. This document is intended to provide guidance to livestock owners on collecting water samples for analysis and understanding the results on your report provided by the AWRC’s Water Quality Laboratory (Lab). The information contained within this fact sheet should be used as general guidance, and the …
How To Collect Your Water Sample And Interpret The Results For The Fish Pond Analytical Package, Bradley J. Austin, Amit Sinha, Nathan Stone, W. Reed Green, Mike Daniels, Brian E. Haggard
How To Collect Your Water Sample And Interpret The Results For The Fish Pond Analytical Package, Bradley J. Austin, Amit Sinha, Nathan Stone, W. Reed Green, Mike Daniels, Brian E. Haggard
Fact Sheets
The Arkansas Water Resources Center (AWRC) in cooperation with the Cooperative Extension Service offers several analytical packages to assess the quality of your water resources. This document is intended to provide guidance to aquaculture producers and pond owners on the “Fish Pond Report” provided by the AWRC’s water quality laboratory. The information contained within this fact sheet should be used as general guidance, and the reader is encouraged to seek advice from Extension specialists regarding the interpretation of individual reports and water testing results that may be of concern. The Aquaculture Center for Excellence is at the University of Arkansas …
Water Quality Reporting Limits, Method Detection Limits, And Censored Values: What Does It All Mean?, Bradley J. Austin, J. Thad Scott, Mike Daniels, Brian E. Haggard
Water Quality Reporting Limits, Method Detection Limits, And Censored Values: What Does It All Mean?, Bradley J. Austin, J. Thad Scott, Mike Daniels, Brian E. Haggard
Fact Sheets
The Arkansas Water Resources Center (AWRC) maintains a fee-based water-quality lab that is certified by the Arkansas Department of Environmental Quality (ADEQ). The AWRC Water Quality Lab analyzes water samples for a variety of constituents, using standard methods for the analysis of water samples (APHA 2012). The lab generates a report on the analysis, which is provided to clientele, and reports the concentrations or values as measured. Often times the concentrations or values might be very small, even zero as reported by the lab – what does this mean? How should we use this information? This document is intended to …
Beaver Lake Numeric Chlorophyll-A And Secchi Transparency Standards, Phases Ii And Iii: Uncertainty And Trend Analysis, J. Thad Scott, Brian E. Haggard, Zachary Simpson, Matthew Rich
Beaver Lake Numeric Chlorophyll-A And Secchi Transparency Standards, Phases Ii And Iii: Uncertainty And Trend Analysis, J. Thad Scott, Brian E. Haggard, Zachary Simpson, Matthew Rich
Technical Reports
The objective of Phases II and III of this study were to 1) assess the variation in chl‐a and ST across multiple spatial and temporal scales in Beaver Lake in order to validate the assessment method, and 2) quantify trends in chl‐a, ST, and nutrient (total phosphorus and total nitrogen) concentrations in Beaver Lake and the major inflowing rivers to verify any potential water quality impairment.
Database Analysis To Support Nutrient Criteria Development (Phase Ii), B. E. Haggard, M.A. Evans-White, L.B. Massey, E.M. Grantz
Database Analysis To Support Nutrient Criteria Development (Phase Ii), B. E. Haggard, M.A. Evans-White, L.B. Massey, E.M. Grantz
Technical Reports
The intent of this publication of the Arkansas Water Resources Center is to provide a location whereby a final report on water research to a funding agency can be archived. The Texas Commission on Environmental Quality (TCEQ) contracted with University of Arkansas researchers for a multiple year project titled “Database Analysis to Support Nutrient Criteria Development”. This publication covers the second of three phases of that project and has maintained the original format of the report as submitted to TCEQ. This report can be cited either as an AWRC publication (see below) or directly as the final report to TCEQ.
Database Analysis To Support Nutrient Criteria Development (Phase I), B. E. Haggard, J.T. Scott, M.A. Evans-White
Database Analysis To Support Nutrient Criteria Development (Phase I), B. E. Haggard, J.T. Scott, M.A. Evans-White
Technical Reports
The intent of this publication of the Arkansas Water Resources Center is to provide a location whereby a final report on water research to a funding agency can be archived. The Texas Commission on Environmental Quality (TCEQ) contracted with University of Arkansas researchers for a multiple year project titled “Database Analysis to Support Nutrient Criteria Development”. This publication covers the first of three phases of that project and has maintained the original format of the report as submitted to TCEQ. This report can be cited either as an AWRC publication (see below) or directly as the final report to TCEQ.
Database Analysis To Support Nutrient Criteria Development (Phase Iii), J. T. Scott, E.M. Grantz
Database Analysis To Support Nutrient Criteria Development (Phase Iii), J. T. Scott, E.M. Grantz
Technical Reports
The intent of this publication of the Arkansas Water Resources Center is to provide a location whereby a final report on water research to a funding agency can be archived. The Texas Commission on Environmental Quality (TCEQ) contracted with University of Arkansas researchers for a multiple year project titled “Database Analysis to Support Nutrient Criteria Development”. This publication covers the third of three phases of that project and has maintained the original format of the report as submitted to TCEQ. This report can be cited either as an AWRC publication (see below) or directly as the final report to TCEQ.
Bella Vista Lakes Project: Fertility Management, J. Thad Scott
Bella Vista Lakes Project: Fertility Management, J. Thad Scott
Technical Reports
No abstract provided.
Dissolved Oxygen Monitoring In Kings River And Leatherwood Creek, Eric Cummings, Erin E. Scott, Marty Matlock, Brian E. Haggard
Dissolved Oxygen Monitoring In Kings River And Leatherwood Creek, Eric Cummings, Erin E. Scott, Marty Matlock, Brian E. Haggard
Technical Reports
The Clean Water Act (CWA) establishes the basic structure used to regulate water quality. Under the CWA, States are required to assess water bodies relative to water‐quality standards and designated beneficial uses and then to submit lists of impaired bodies every other year to the US Environmental Protection Agency (USEPA). In 2015, at least 4,800 water bodies were listed as impaired by dissolved oxygen across the US (USEPA, 2015). Aquatic species like fish and macroinvertebrates depend on adequate dissolved oxygen for survival. Low dissolved oxygen can lead to fish kills, reduced aquatic diversity, and nuisance smells from anaerobic conditions – …
Constituent Loads And Trends In The Upper Illinois River Watershed And Upper White River Basin, Erin E. Scott, Zach P. Simpson, Brian E. Haggard
Constituent Loads And Trends In The Upper Illinois River Watershed And Upper White River Basin, Erin E. Scott, Zach P. Simpson, Brian E. Haggard
Technical Reports
Water chemistry can greatly influence the quality of surface waters and affect the ability for streams and rivers to meet their designated use(s). In Arkansas, many streams and rivers were placed on the 2008 303(d) list of impaired water bodies due to excess levels of nutrients, chlorides, sulfates, and sediments (ADEQ, 2008). These constituents continue to be listed as the potential cause for water‐quality impairments through the most recent draft 303(d) list (ADEQ, 2014). The Arkansas Non‐Point Source (NPS) Management Program wants to reduce poll‐ utant loading from the landscape and improve water quality, where funding for projects is targeted …