PPT-Ozone and nitrogen deposition from Colorado’s Craig

powerstation NOx from Craig The Craig powerstation is the largest uncontrolled NOx source in the state 18k tons yr NPS is lobbying EPA for stricter controls ie SCR on all three boilers. Natalya Kramarova, Paul Newman, Eric Nash, PK Bhartia, Richard . McPeters. , Didier Rault, Colin Seftor, Gordon Labow. OMPS meeting, June 6, 2013. Objectives. Can OMPS . reasonably . represent the Antarctic ozone hole?. State what is meant by the term acid deposition and outline its origins.. Discuss . the environmental effects of acid deposition and possible methods to counteract them.. . acid deposition. Acid deposition refers to the process by which acidic particles, gases and precipitation leave the atmosphere . How the Overuse of Fertilizer has Created . M. ultiple . E. cosystem . T. oxins . Significance of this Topic. There has been a growing consensus among the mainstream population that global warming and increased carbon dioxide levels are a serious global threat. . 3. , NO. 2. , NH. 4. +. and NO. 3. -. to dry deposition of Nitrogen at an agricultural site in the Indo-. Gangetic. Plain of India. Saumya. Singh. , . Anshu. Sharma and U.C. . Kulshrestha. School of Environmental Sciences. Sam J. Silva. , Colette l. . heald. . Civil and Environmental Engineering, Massachusetts Institute of Technology. IGC8, 2017. samsilva@mit.edu. Funding from:. Dry Deposition: An important . loss . process. Acidic Deposition. The deposition of acidic or acid-forming pollutants from the atmosphere onto Earth’s surface. Often takes place as acid rain, but includes acid snow, sleet, hail, fog, or gases. Acid Deposition. Lecture Presentation. © 2015 Pearson Education, Inc.. Atmosphere. The atmosphere consists of the . troposphere. , . stratosphere. (combined 99.9 mass %), . mesosphere. ,. . and . thermosphere. .. Temperature varies greatly with altitude. Within the troposphere (where we live), as altitude increases, temperature increases.. 1. AOSC . 637. Tropospheric . Ozone. Ozone is a major pollutant. It does billions of dollars worth of damage to agricultural crops each year and is the principal culprit in photochemical smog. Ozone, however, exists throughout the troposphere and, as a major OH source and a greenhouse gas, plays a central role in many biogeochemical cycles. That photochemical processes produce and destroy . – . what . else besides climate change. Daniel J. Jacob. Group photo (2013). Range of tropospheric chemistry problems. LOCAL . < 100 km. REGIONAL. 100-1000 km. GLOBAL. > 1000 km. Urban smog. Version 1.0 – 11/06/18. Source and Reference for Presentation. This presentation was produced by the National Atmospheric Deposition (NADP)–Critical Loads of Atmospheric Deposition (CLAD) Science Committee Executive Team as a source of information and slides for presentations that include critical loads.. professor . Dr.HUDA. FAROOQ ZAKI. INTRODUCTION TO ENVIRONMENTAL POLLUTION. Pollution : is the addition to the ecosystem of something which has a detrimental effect on it .. Pollution : is the presence in or introduction into the environment of a substance or thing that has harmful or poisonous effects. . Lecture . Five: Air . Pollution. Department of Environmental Engineering. OUTLINE. Atmosphere as a Resource. Types and Sources of Air Pollution. Major Classes of Air Pollutants. Urban . Air Pollution. Austria. Long-term effects of N and S deposition on ecosystems and biodiversity. Thomas . Dirnböck. 1. CLRTAP-WGE . activities. in Austria. 2. University . of. Innsbruck. Emissions. follow . the. Air Resources Laboratory. June 22, 2016. Relevance. Under the . Clean Air Act Amendments of . 1990, NOAA is charged . to . Identify . and assess the extent of deposition of atmospheric pollutants to Great Lakes and coastal waters .