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Articles 31 - 42 of 42
Full-Text Articles in Physical Sciences and Mathematics
Water Quality Of Seneca Lake 1991-1998, Joseph Makarewicz, Roger Ward, Theodore Lewis
Water Quality Of Seneca Lake 1991-1998, Joseph Makarewicz, Roger Ward, Theodore Lewis
Joseph C Makarewicz
The water quality of Seneca Lake has been studied since the early 1900's when secchi disk readings were first taken. At that time, the trophic state of Seneca Lake was classified as oligotrophic; that is, nutrient concentrations and primary production were low and transparency high. Water clarity remained approximately the same up through the early 1930s. In general, by the late 1970s water clarity had decreased, indicating the lake’s trophic status was mesotrophic. Total phosphorus concentrations from the 1970s were into the mesotrophic range. Chlolophyll-a concentrations also illustrate the trend toward more productive waters in Seneca Lake in the early …
Lake Ontario Coastal Initiative Action Agenda 2004, Betsy Landre, Stephen Lewandowski, Joseph Makarewicz, John Terninko, Elizabeth Thorndike
Lake Ontario Coastal Initiative Action Agenda 2004, Betsy Landre, Stephen Lewandowski, Joseph Makarewicz, John Terninko, Elizabeth Thorndike
Joseph C Makarewicz
The mission of the Lake Ontario Coastal Initiative (LOCI), encompassing all New York State North Coast stakeholders from the Niagara River to the St. Lawrence River, is to enlist and retain broad public commitment for remediation, restoration, protection, conservation and sustainable use of the coastal region. This mission will be accomplished by securing funds and resources to achieve scientific understanding, educate citizens, and implement locally supported priorities, programs and projects as identified through this Initiative.
Oswego River Oswego County, New York, Joseph Makarewicz, Matthew Nowak
Oswego River Oswego County, New York, Joseph Makarewicz, Matthew Nowak
Joseph C Makarewicz
The Oswego River is the second largest river flowing into Lake Ontario, draining 5,100 square miles of land. The watershed includes all of Seneca County, most of Onondaga, Cayuga, Tompkins, Schuyler, Yates and Ontario Counties, and large portions of Oswego, Oneida, Madison and Wayne Counties in New York State. Most of the New York Finger Lakes are in the drainage basin of the Oswego River, and land use ranges from heavy agriculture in the Finger Lakes region to urban development in Oswego. The Oswego River Harbor is the largest Oswego County embayment and is vital to the shipping industry due …
Long Pond Monroe County, New York, Joseph Makarewicz, Matthew Nowak
Long Pond Monroe County, New York, Joseph Makarewicz, Matthew Nowak
Joseph C Makarewicz
Long Pond, located on Lake Ontario near Rochester, New York, is surrounded by a mix of residential development, state park, and protected wildlife areas. Land use within the watershed is a mix of suburbia, including the Village of Spencerport, and agriculture. The waters of Long Pond are considered hypereutrophic, meaning it is very productive due to high nutrient loading. This productivity is likely due to nonpoint sources and the point source represented by the Spencerport Sewage Treatment Plant which releases advanced secondary sewage effluent into a tributary of Long Pond (Makarewicz 2000). Nuisance algae, bacterial abundance, and algal mat development …
Water Quality Of Cayuga Lake 1991-1998, Joseph C. Makarewicz, Roger W. Ward Jr., Theodore W. Lewis
Water Quality Of Cayuga Lake 1991-1998, Joseph C. Makarewicz, Roger W. Ward Jr., Theodore W. Lewis
Joseph C Makarewicz
Cayuga and Seneca Lakes represent a major water resource of central New York State of considerable economic, recreational and aesthetic value. Maintenance of water quality, prevention of further deterioration of water quality and restoration of a lake’s health are major concerns of the public. Monitoring the water quality of Cayuga Lake has continued periodically from the early 1900's to the present. This report reviews data collected by the Seneca County Soil and Water Conservation District during the 1991- 1998 period from the north end of Cayuga Lake. The water quality data presented are the result of a new strategy to …
Oak Orchard Creek Watershed : The Location Of Sources Of Pollution, Annual Loss Of Nutrients And Soil To Lake Ontario, And A Test Of Effectiveness Of Zone Tillage As A Best Management Practice, Joseph Makarewicz, Theodore Lewis
Oak Orchard Creek Watershed : The Location Of Sources Of Pollution, Annual Loss Of Nutrients And Soil To Lake Ontario, And A Test Of Effectiveness Of Zone Tillage As A Best Management Practice, Joseph Makarewicz, Theodore Lewis
Joseph C Makarewicz
Oak Orchard Creek watershed : the location of sources of pollution, annual loss of nutrients and soil to Lake Ontario, and a test of effectiveness of zone tillage as a best management practice. May 2009
A report to the Environmental Protection Agency and the Orleans County Soil and Water Conservation District.
Includes bibliographical references (leaves 53-56).
Braddock Bay Monroe County, New York, Joseph Makarewicz, Matthew Nowak
Braddock Bay Monroe County, New York, Joseph Makarewicz, Matthew Nowak
Joseph C Makarewicz
Braddock Bay, located just west of Rochester, NY, is one of Lake Ontario’s larger embayments. The bay is open to wave action from Lake Ontario, differentiating it from several other embayments such as Port and Sodus Bays. Braddock Bay is located in the 2,500-acre Braddock Bay Fish and Wildlife Management Area; is a major waterfowl and migratory bird nesting, resting, and feeding habitat; has 541 boat slips; and is a major access point to the lake from the southern shore. The Braddock Bay watershed contains a mix of residential development, state park, and protected wildlife areas. Nuisance algae, bacterial abundance, …
Evaluating Alternatives For Augmented Water Quality Improvement Utilizing Oyster Restoration As Best Management Practice (Bmp), Stephanie Roberts Long
Evaluating Alternatives For Augmented Water Quality Improvement Utilizing Oyster Restoration As Best Management Practice (Bmp), Stephanie Roberts Long
Civil & Environmental Engineering Theses & Dissertations
Due to several anthropogenic influences, the Chesapeake Bay has experienced a marked decrease in water quality since the colonists arrived at the Jamestown settlement in Virginia during the 1600s. Higher concentrations of nitrogen and phosphorus have enriched the estuaries and coastal waters via point sources (sewage treatment plants and industrial wastes), nonpoint sources (agricultural run-off and septic tank discharges) and the atmosphere (Newell et al., 2005). Restoring oyster beds is considered a Best Management Practice (BMP) to improve water quality as well as provide physical habitat for aquatic species and a healthier estuarine system (USACE Native Oyster Restoration Master …
Water Supply, Demand, And Quality Indicators For Assessing The Spatial Distribution Of Water Resource Vulnerability In The Columbia River Basin, Heejun Chang, Il-Won Jung, Angela L. Strecker, Daniel Wise, Martin Lafrenz, Vivek Shandas, Hamid Moradkhani, J. Alan Yeakley, Yangdong Pan, Robert Allen Bean, Gunnar Johnson, Mike Psaris
Water Supply, Demand, And Quality Indicators For Assessing The Spatial Distribution Of Water Resource Vulnerability In The Columbia River Basin, Heejun Chang, Il-Won Jung, Angela L. Strecker, Daniel Wise, Martin Lafrenz, Vivek Shandas, Hamid Moradkhani, J. Alan Yeakley, Yangdong Pan, Robert Allen Bean, Gunnar Johnson, Mike Psaris
Geography Faculty Publications and Presentations
We investigated water resource vulnerability in the US portion of the Columbia River basin (CRB) using multiple indicators representing water supply, water demand, and water quality. Based on the US county scale, spatial analysis was conducted using various biophysical and socio-economic indicators that control water vulnerability. Water supply vulnerability and water demand vulnerability exhibited a similar spatial clustering of hotspots in areas where agricultural lands and variability of precipitation were high but dam storage capacity was low. The hotspots of water quality vulnerability were clustered around the main stem of the Columbia River where major population and agricultural centres are …
Performance Of Human Fecal Anaerobe-Associated Pcr-Based Assays In A Multi-Laboratory Method Evaluation Study, Blythe A. Layton, Yiping Cao, Darcy L. Ebentier, Kaitlyn Hanley, Elisenda Balleste, Joao Brandao, Muruleedhara Byappanahalli, Reagan Converse, Andreas H. Farnleitner, Jennifer Gentry-Shields, Maribeth L. Gidley, Michele Gourmelon, Chang Soo Lee, Jiyoung Lee, Solen Lozach, Tania Madi, Wim G. Meijer, Rachel Noble, Lindsay Peed, Georg H. Reischer, Raquel Rodrigues, Joan B. Rose, Alexander Schriewer, Chris Sinigalliano, Sangeetha Srinivasan, Jill Stewart, Laurie C. Van De Werfhorst, Dan Wang, Richard Whitman, Stefan Wuertz, Jenny Jay, Patricia A. Holden, Alexandria B. Boehm, Orin Shanks, John F. Griffith
Performance Of Human Fecal Anaerobe-Associated Pcr-Based Assays In A Multi-Laboratory Method Evaluation Study, Blythe A. Layton, Yiping Cao, Darcy L. Ebentier, Kaitlyn Hanley, Elisenda Balleste, Joao Brandao, Muruleedhara Byappanahalli, Reagan Converse, Andreas H. Farnleitner, Jennifer Gentry-Shields, Maribeth L. Gidley, Michele Gourmelon, Chang Soo Lee, Jiyoung Lee, Solen Lozach, Tania Madi, Wim G. Meijer, Rachel Noble, Lindsay Peed, Georg H. Reischer, Raquel Rodrigues, Joan B. Rose, Alexander Schriewer, Chris Sinigalliano, Sangeetha Srinivasan, Jill Stewart, Laurie C. Van De Werfhorst, Dan Wang, Richard Whitman, Stefan Wuertz, Jenny Jay, Patricia A. Holden, Alexandria B. Boehm, Orin Shanks, John F. Griffith
United States Geological Survey: Staff Publications
A number of PCR-based methods for detecting human fecal material in environmental waters have been developed over the past decade, but these methods have rarely received independent comparative testing in large multi-laboratory studies. Here, we evaluated ten of these methods (BacH, BacHum-UCD, Bacteroides thetaiotaomicron (BtH), BsteriF1, gyrB, HF183 endpoint, HF183 SYBR, HF183 Taqman®, HumM2, and Methanobrevibacter smithii nifH (Mnif)) using 64 blind samples prepared in one laboratory. The blind samples contained either one or two fecal sources from human, wastewater or non-human sources. The assay results were assessed for presence/absence of the human markers and also quantitatively while …
A Review Of Environmental Impacts Of Salts From Produced Waters On Aquatic Resources, Aida M. Farag, David D. Harper
A Review Of Environmental Impacts Of Salts From Produced Waters On Aquatic Resources, Aida M. Farag, David D. Harper
United States Geological Survey: Staff Publications
Salts are frequently amajor constituent ofwastewaters produced during oil and gas production. These produced waters or brines must be treated and/or disposed and provide a daily challenge for operators and resourcemanagers. Some elements of salts are regulated with water quality criteria established for the protection of aquatic wildlife, e.g. chloride (Cl−), which has an acute standard of 860 mg/L and a chronic standard of 230 mg/L. However, data for establishing such standards has only recently been studied for other components of produced water, such as bicarbonate (HCO3 −), which has acute median lethal concentrations (LC50s) ranging from …
Urban Impact Of Dissolved Metals In The Paso Del Norte Segment Of The Rio Grande, Sumayeh Ahmad Freiwan
Urban Impact Of Dissolved Metals In The Paso Del Norte Segment Of The Rio Grande, Sumayeh Ahmad Freiwan
Open Access Theses & Dissertations
The Paso del Norte segment of the Rio Grande experiences two seasons per year; the (wet) irrigation season and the (dry) non-irrigation season. The goal of this study was to improve the understanding of occurrence and contribution of dissolved metals in this region during the non-irrigation season. The objectives of this study were to (1) evaluate the impact of anthropogenic sources of metals on the Rio Grande water quality during the non-irrigation season, and (2) estimate the metal loads carried by the flow to the downstream region of El Paso. In order to evaluate the surface water quality of the …