scholarly journals Assessing Anthracene and Arsenic Contamination within Buffalo River Sediments

2012 ◽  
Vol 2012 ◽  
pp. 1-9 ◽  
Author(s):  
Adrian Gawedzki ◽  
K. Wayne Forsythe
Keyword(s):  
Water Quality ◽  
Spatial Interpolation ◽  
River Sediments ◽  
The United States ◽  
Arsenic Contamination ◽  
Industrial Activity ◽  
Interpolation Technique ◽  
History Of ◽  
Buffalo River ◽  
Area Of Concern

Anthracene and arsenic contamination concentrations at various depths in the Buffalo River were analyzed in this study. Anthracene is known to cause damage to human skin and arsenic has been linked to lung and liver cancer. The Buffalo River is labelled as an Area of Concern defined by the Great Lakes Water Quality Agreement between Canada and the United States. It has a long history of industrial activity located in its near vicinity that has contributed to its pollution. An ordinary kriging spatial interpolation technique was used to calculate estimates between sample locations for anthracene and arsenic at various depths. The results show that both anthracene and arsenic surface sediment (0–30 cm) is less contaminated than all subsurface depths. There is variability of pollution within the different subsurface levels (30–60 cm, 60–90 cm, 90–120 cm, 120–150 cm) and along the river course, but major clusters are identified throughout all depths for both anthracene and arsenic.

scholarly journals "Grass" By Any Other Name - Xeriscaping And Sustainability

2014 ◽  
Vol 2 (1) ◽  
pp. 9-22
Author(s):  
C. Kenneth Meyer ◽  
Richard B. Strong ◽  
Jeffrey A. Geerts ◽  
Doug Bennett
Keyword(s):  
Water Quality ◽  
Water Conservation ◽  
Water Policy ◽  
Management Practices ◽  
Final Analysis ◽  
The United States ◽  
Structured Interview ◽  
Professional Literature ◽  
Southern Nevada ◽  
History Of

With water conservation and use policy considered to be among the greatest challenges facing contemporary society, this case takes on the enduring issues associated with water and how it impacts urban planning, land use, water conservation, economic development, and sustainability. Conflicted on the uses of natural and artificial turf, Jerard Leon, director of Blue Havens Planning Commission recommends that Joseph Teaberry, landscape architect, contact a premier program on xeriscape in the United States the Southern Nevada Water Authority (SNWA). Teaberry prepares for an in-depth, structured interview with Doug Bennett, conservation manager of SNWA. He reviews the relevant academic and professional literature on the hydrologic cycle, and the economics and geological concerns that affect water use policy, including the meaning of Water quality, Watershed, and the sundry metrics used to assess water quality under the Clean Water Act, 1972. As the structured interview reveals, Teaberry learns about the history of water policy in the Colorado Basin, the multiple uses and costs associated with water consumption in the SNWA, and the conservation practices and water policy pricing policies and how they impact water utilization. In the final analysis, Teaberry discusses the various strategic management practices employed by SNWA and their attendant efficacies, successes/failures pertaining to water policy education, pricing, inducement, enforcement, and the future water policy concerns. The case has several take-away points associated with xeriscape policy, followed by six poignant questions that stimulate broad discussion on the general areas of water resource policy.

scholarly journals A Hybrid Neural Network–Particle Swarm Optimization Informed Spatial Interpolation Technique for Groundwater Quality Mapping in a Small Island Province of the Philippines

Toxics ◽  
2021 ◽  
Vol 9 (11) ◽  
pp. 273
Author(s):  
Kevin Lawrence M. De De Jesus ◽  
Delia B. Senoro ◽  
Jennifer C. Dela Dela Cruz ◽  
Eduardo B. Chan
Keyword(s):  
Neural Network ◽  
Water Quality ◽  
Heavy Metal ◽  
Particle Swarm Optimization ◽  
Spatial Interpolation ◽  
Swarm Optimization ◽  
Heavy Metal Concentrations ◽  
Interpolation Methods ◽  
Interpolation Technique ◽  
Spatial Interpolation Methods

Water quality monitoring demands the use of spatial interpolation techniques due to on-ground challenges. The implementation of various spatial interpolation methods results in significant variations from the true spatial distribution of water quality in a specific location. The aim of this research is to improve mapping prediction capabilities of spatial interpolation algorithms by using a neural network with the particle swarm optimization (NN-PSO) technique. Hybrid interpolation approaches were evaluated and compared by cross-validation using mean absolute error (MAE) and Pearson's correlation coefficient (R). The governing interpolation techniques for the physicochemical parameters of groundwater (GW) and heavy metal concentrations were the geostatistical approaches combined with NN-PSO. The best methods for physicochemical characteristics and heavy metal concentrations were observed to have the least MAE and R values, ranging from 1.7 to 4.3 times and 1.2 to 5.6 times higher than the interpolation technique without the NN-PSO for the dry and wet season, respectively. The hybrid interpolation methods exhibit an improved performance as compared to the non-hybrid methods. The application of NN-PSO technique to spatial interpolation methods was found to be a promising approach for improving the accuracy of spatial maps for GW quality.

Special Considerations for Evaluation and Treatment of Spanish-Speaking Patients with Cleft Palate

2016 ◽  
Vol 1 (5) ◽  
pp. 41-49
Author(s):  
Ellen Moore
Keyword(s):  
Cleft Palate ◽  
The United States ◽  
Culturally Competent ◽  
Speech Language Pathology ◽  
Spanish Speaking ◽  
Appropriate Treatment ◽  
Oral Pressure ◽  
Language Pathology ◽  
History Of ◽  
Spanish Speaking Population

As the Spanish-speaking population in the United States continues to grow, there is increasing need for culturally competent and linguistically appropriate treatment across the field of speech-language pathology. This paper reviews information relevant to the evaluation and treatment of Spanish-speaking and Spanish-English bilingual children with a history of cleft palate. The phonetics and phonology of Spanish are reviewed and contrasted with English, with a focus on oral pressure consonants. Cultural factors and bilingualism are discussed briefly. Finally, practical strategies for evaluation and treatment are presented. Information is presented for monolingual and bilingual speech-language pathologists, both in the community and on cleft palate teams.

State-by-State Use of AMA Guides

2019 ◽  
Vol 24 (5) ◽  
pp. 3-7, 16
Keyword(s):  
Expert Testimony ◽  
Narrow Range ◽  
The United States ◽  
Workers Compensation ◽  
Federal Employees ◽  
Permanent Disability ◽  
Sixth Edition ◽  
History Of ◽  
Canadian Provinces

Abstract This article presents a history of the origins and development of the AMA Guides to the Evaluation of Permanent Impairment (AMA Guides), from the publication of an article titled “A Guide to the Evaluation of Permanent Impairment of the Extremities and Back” (1958) until a compendium of thirteen guides was published in book form in 1971. The most recent, sixth edition, appeared in 2008. Over time, the AMA Guides has been widely used by US states for workers’ compensation and also by the Federal Employees Compensation Act, the Longshore and Harbor Workers’ Compensation Act, as well as by Canadian provinces and other jurisdictions around the world. In the United States, almost twenty states have developed some form of their own impairment rating system, but some have a narrow range and scope and advise evaluators to consult the AMA Guides for a final determination of permanent disability. An evaluator's impairment evaluation report should clearly document the rater's review of prior medical and treatment records, clinical evaluation, analysis of the findings, and a discussion of how the final impairment rating was calculated. The resulting report is the rating physician's expert testimony to help adjudicate the claim. A table shows the edition of the AMA Guides used in each state and the enabling statute/code, with comments.

Review of A brief history of the United States.

1919 ◽  
Vol 10 (8) ◽  
pp. 414-414
Author(s):  
No authorship indicated
Keyword(s):  
United States ◽  
The United States ◽  
History Of

The Role of the Mongolian People’s Republic in the Korean War

2018 ◽  
pp. 97-130
Author(s):  
Denzenlkham Ulambayar
Keyword(s):  
Soviet Union ◽  
Korean War ◽  
World Order ◽  
The United States ◽  
Central Intelligence Agency ◽  
Intelligence Agency ◽  
The Soviet Union ◽  
Archival Documents ◽  
The Korean War ◽  
History Of

Since the 1990s, when previously classified and top secret Russian archival documents on the Korean War became open and accessible, it has become clear for post-communist countries that Kim Il Sung, Stalin and Mao Zedong were the primary organizers of the war. It is now equally certain that tensions arising from Soviet and American struggle generated the origins of the Korean War, namely the Soviet Union’s occupation of the northern half of the Korean peninsula and the United States’ occupation of the southern half to the 38th parallel after 1945 as well as the emerging bipolar world order of international relations and Cold War. Newly available Russian archival documents produced much in the way of new energies and opportunities for international study and research into the Korean War.2 However, within this research few documents connected to Mongolia have so far been found, and little specific research has yet been done regarding why and how Mongolia participated in the Korean War. At the same time, it is becoming today more evident that both Soviet guidance and U.S. information reports (evaluated and unevaluated) regarding Mongolia were far different from the situation and developments of that period. New examples of this tendency are documents declassified in the early 2000s and released publicly from the American Central Intelligence Agency (CIA) in December 2016 which contain inaccurate information. The original, uncorrupted sources about why, how and to what degree the Mongolian People’s Republic (MPR) became a participant in the Korean War are in fact in documents held within the Mongolian Central Archives of Foreign Affairs. These archives contain multiple documents in relation to North Korea. Prior to the 1990s Mongolian scholars Dr. B. Lkhamsuren,3 Dr. B. Ligden,4 Dr. Sh. Sandag,5 junior scholar J. Sukhee,6 and A. A. Osipov7 mention briefly in their writings the history of relations between the MPR and the DPRK during the Korean War. Since the 1990s the Korean War has also briefly been touched upon in the writings of B. Lkhamsuren,8 D. Ulambayar (the author of this paper),9 Ts. Batbayar,10 J. Battur,11 K. Demberel,12 Balảzs Szalontai,13 Sergey Radchenko14 and Li Narangoa.15 There have also been significant collections of documents about the two countries and a collection of memoirs published in 200716 and 2008.17 The author intends within this paper to discuss particularly about why, how and to what degree Mongolia participated in the Korean War, the rumors and realities of the war and its consequences for the MPR’s membership in the United Nations. The MPR was the second socialist country following the Soviet Union (the Union of the Soviet Socialist Republics) to recognize the DPRK (Democratic People’s Republic of Korea) and establish diplomatic ties. That was part of the initial stage of socialist system formation comprising the Soviet Union, nations in Eastern Europe, the MPR, the PRC (People’s Republic of China) and the DPRK. Accordingly between the MPR and the DPRK fraternal friendship and a framework of cooperation based on the principles of proletarian and socialist internationalism had been developed.18 In light of and as part of this framework, The Korean War has left its deep traces in the history of the MPR’s external diplomatic environment and state sovereignty

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