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Long-Term Trends in Reactive Nitrogen Deposition in the United States. 美国活性氮沉积的长期趋势。
EM (Pittsburgh, Pa.) Pub Date : 2019-07-19
G M Beachley, C M Rogers, T F Lavery, J T Walker, M A Puchalski
{"title":"Long-Term Trends in Reactive Nitrogen Deposition in the United States.","authors":"G M Beachley, C M Rogers, T F Lavery, J T Walker, M A Puchalski","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":72892,"journal":{"name":"EM (Pittsburgh, Pa.)","volume":"1 ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-07-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7784191/pdf/nihms-1579446.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39137435","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Need for Improved Monitoring of Spatial and Temporal Trends of Reduced Nitrogen. 需要改进对减少的氮的空间和时间趋势的监测。
EM (Pittsburgh, Pa.) Pub Date : 2019-07-01
Melissa A Puchalski, John T Walker, Gregory M Beachley, Mark A Zondlo, Katherine B Benedict, Richard H Grant, Bret A Schichtel, Christopher M Rogers, April B Leytem, Joann Rice, Kristi Morris, James J Schauer, Rui Wang
{"title":"Need for Improved Monitoring of Spatial and Temporal Trends of Reduced Nitrogen.","authors":"Melissa A Puchalski, John T Walker, Gregory M Beachley, Mark A Zondlo, Katherine B Benedict, Richard H Grant, Bret A Schichtel, Christopher M Rogers, April B Leytem, Joann Rice, Kristi Morris, James J Schauer, Rui Wang","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":72892,"journal":{"name":"EM (Pittsburgh, Pa.)","volume":"2019 ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10032039/pdf/nihms-1579444.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9187973","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ongoing US-Canada collaborations on nitrogen and sulfur deposition. 正在进行的美国和加拿大在氮和硫沉积方面的合作。
EM (Pittsburgh, Pa.) Pub Date : 2019-06-01
Donna Schwede, Amanda Cole, Robert Vet, Gary Lear
{"title":"Ongoing US-Canada collaborations on nitrogen and sulfur deposition.","authors":"Donna Schwede, Amanda Cole, Robert Vet, Gary Lear","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":72892,"journal":{"name":"EM (Pittsburgh, Pa.)","volume":"June ","pages":"1-5"},"PeriodicalIF":0.0,"publicationDate":"2019-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7923747/pdf/nihms-1655451.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25434743","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Controlling Biogenic Particle Mass with NOx and SOx. 利用NOx和SOx控制生物源粒子质量。
EM (Pittsburgh, Pa.) Pub Date : 2019-05-01
Annmarie G Carlton, Sherri W Hunt
{"title":"Controlling Biogenic Particle Mass with NOx and SOx.","authors":"Annmarie G Carlton, Sherri W Hunt","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Models that accurately predict atmospheric composition and correctly respond to tested policy scenarios aid air quality managers in the development of effective strategies to protect human health. Controllable emissions from human activity interact with natural emissions from plants and trees from the biosphere through complex chemistry to form ozone (O<sub>3</sub>) and organic fine particulate matter (PM<sub>2.5</sub>), criteria air pollutants that induce a variety of adverse health effects. While organic gases emitted from plants and trees are natural, some fraction of the subsequent O<sub>3</sub> and PM<sub>2.5</sub> is not. Accurate assessment of the extent to which human activity and natural emissions interact to form pollution can be achieved when models are constructed from first principle chemical and physical laws, and tested and evaluated with laboratory and field observations. In the summer of 2013, hundreds of scientists descended on the southeast U.S. to coordinate an atmospheric chemistry campaign with the ultimate goal of understanding complex biosphere-atmosphere interactions, the subsequent formation of O<sub>3</sub> and PM<sub>2.5</sub>, and accurate incorporation of the chemistry into atmospheric models. A main finding from the campaign is that anthropogenic emissions facilitate formation of organic PM<sub>2.5</sub> derived from biogenic VOCs. This fraction of PM<sub>2.5</sub> is controllable pollution. Mechanistic insight from that campaign was recently incorporated into EPA's air quality model, improving the model representation of the atmospheric modeling and informing air quality management strategies for PM<sub>2.5</sub>. Emission reductions in SO<sub>2</sub> and NOx in the southeast U.S. are found to reduce non-fossil, presumably biogenic, organic PM<sub>2.5</sub> mass concentrations, suggesting existing Federal rules have been more successful than anticipated. Additional potential feedback mechanisms may become important as emissions reductions bring the atmosphere into new chemical regimes.</p>","PeriodicalId":72892,"journal":{"name":"EM (Pittsburgh, Pa.)","volume":"null null","pages":"9-13"},"PeriodicalIF":0.0,"publicationDate":"2019-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7008308/pdf/nihms-1546617.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"37630859","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Lightning NOx Emissions and the Implications for Surface Air Quality over the Contiguous United States. 闪电氮氧化物排放及其对美国周边地区地表空气质量的影响。
EM (Pittsburgh, Pa.) Pub Date : 2018-01-11
Daiwen Kang, Kenneth Pickering
{"title":"Lightning NO<sub>x</sub> Emissions and the Implications for Surface Air Quality over the Contiguous United States.","authors":"Daiwen Kang, Kenneth Pickering","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":72892,"journal":{"name":"EM (Pittsburgh, Pa.)","volume":"11 ","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"2018-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6559371/pdf/nihms-1529443.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"37323227","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The New Generation of Air Quality Modeling Systems. 新一代空气质量模拟系统。
EM (Pittsburgh, Pa.) Pub Date : 2018-01-01
Jonathan Pleim, David Wong, Robert Gilliam, Jerry Herwehe, Russell Bullock, Christian Hogrefe, George Pouliot, Limei Ran, Ben Murphy, Daiwen Kang, Wyat Appel, Rohit Mathur, Elaine Hubal
{"title":"The New Generation of Air Quality Modeling Systems.","authors":"Jonathan Pleim, David Wong, Robert Gilliam, Jerry Herwehe, Russell Bullock, Christian Hogrefe, George Pouliot, Limei Ran, Ben Murphy, Daiwen Kang, Wyat Appel, Rohit Mathur, Elaine Hubal","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":72892,"journal":{"name":"EM (Pittsburgh, Pa.)","volume":"1 ","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8312636/pdf/nihms-1539422.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39229503","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Characterizing Air Quality in a Rapidly Changing World. 在快速变化的世界中表征空气质量。
EM (Pittsburgh, Pa.) Pub Date : 2017-11-01
Kristen J Benedict, Richard A Wayland, Gayle Hager
{"title":"Characterizing Air Quality in a Rapidly Changing World.","authors":"Kristen J Benedict, Richard A Wayland, Gayle Hager","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":72892,"journal":{"name":"EM (Pittsburgh, Pa.)","volume":"Nov ","pages":"1-5"},"PeriodicalIF":0.0,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7887703/pdf/nihms-1051370.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25387227","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Continuous, Near Real-Time Evaluation of Air Quality Models: An Approach for the Rapid Scientific Evolution of Modeling Systems. 连续的、接近实时的空气质量模型评估：建模系统快速科学进化的一种方法。
EM (Pittsburgh, Pa.) Pub Date : 2017-07-01
Brian Eder, Robert Gilliam, George Pouliot, Rohit Mathur, Jonathan Pleim
{"title":"Continuous, Near Real-Time Evaluation of Air Quality Models: An Approach for the Rapid Scientific Evolution of Modeling Systems.","authors":"Brian Eder, Robert Gilliam, George Pouliot, Rohit Mathur, Jonathan Pleim","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":72892,"journal":{"name":"EM (Pittsburgh, Pa.)","volume":"0 ","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"2017-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8597933/pdf/nihms-1051476.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39637269","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Role of Anaerobic Digestion in Wastewater Management. 厌氧消化在废水处理中的作用。
EM (Pittsburgh, Pa.) Pub Date : 2016-09-01
Vincent Vutai, Xin Cissy Ma, Mingming Lu
{"title":"The Role of Anaerobic Digestion in Wastewater Management.","authors":"Vincent Vutai, Xin Cissy Ma, Mingming Lu","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":72892,"journal":{"name":"EM (Pittsburgh, Pa.)","volume":"0 September 2016","pages":"12-16"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5884444/pdf/nihms950660.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"35986864","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Near-Road Ambient Monitoring Network and Exposure Estimates for Health Studies. 道路附近环境监测网络和健康研究的暴露评估。
EM (Pittsburgh, Pa.) Pub Date : 2013-07-01
Stuart Batterman
{"title":"The Near-Road Ambient Monitoring Network and Exposure Estimates for Health Studies.","authors":"Stuart Batterman","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The transport sector is the largest source of NO<sub>x</sub> and CO emissions, and among the largest sources of PM<sub>2.5</sub> and VOCs. As a result of EPA's new near-road monitoring requirements, high-quality measurements of ambient NO<sub>2</sub>, CO, and PM<sub>2.5</sub> concentrations will be available from more than 120 sites adjacent to major roads in over 100 cities nationwide in the next few years. This article discusses how data from the new network will provide opportunities to further develop, calibrate, and verify exposure assessment methods and models.</p>","PeriodicalId":72892,"journal":{"name":"EM (Pittsburgh, Pa.)","volume":"2013 7","pages":"24-30"},"PeriodicalIF":0.0,"publicationDate":"2013-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4335686/pdf/nihms661697.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"33074818","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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