PPT-Investigating Dry Deposition of Ozone to Vegetation

Sam J Silva Colette l heald Civil and Environmental Engineering Massachusetts Institute of Technology IGC8 2017 samsilvamitedu Funding from Dry Deposition An important loss process. (PVD and CVD). 1. Plan of presentation. Deposition methods. . CVD(. . Chemical . Vapor . Deposition) . . PVD ( Physical . Vapor . Deposition. ). Principles, processes on . the surface . . 2. Min Huang. (. min.huang@jpl.nasa.gov. ), . K. W. Bowman (JPL), G. R. Carmichael (U Iowa), . M. Lee (JPL), D. K. . Henze. (CU-Boulder), T. Chai (NOAA/ARL) . A. J. . Weinheimer. (NCAR), R. C. Cohen (UC Berkeley). 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?. Tuesday, January 5. th. , 2015. Good up high, bad nearby. Troposphere:. Thinnest layer of atmosphere, 80% mass, almost all H. 2. O. 0.04 ppm O. 3. Stratosphere: 10 ppm O. 3. Characteristics of O. 3. Highly poisonous, strong odor, irritant, colorless gas. 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. 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 Is An . Ecoregion. ?. Ecoregion. - . a major ecosystem with distinctive geography, characteristic plants and animals, ecosystems, and receiving uniform solar radiation and moisture . Sometimes called an ecological region or bioregion. Wildlife. Natural . Vegetation & . . Wild Life. . in. Karnataka. Natural . Vegetation in Karnataka. Natural . vegetation. is plants that have not been grown by humans. It doesn’t need help from humans and gets whatever it needs from its natural environment. – . 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. 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 (i.e., SCR on all three boilers). you can getTechnical BulletinPlenumRGFs RD Testing of New PHI REME Cell02 ppm at 3 from The . ozone layer or ozone shield . is a region of Earth's stratosphere that absorbs most of the Sun's UV radiation. . It contains high concentration of ozone (O3).. It is a pale blue gas at room temperature.. found?. The . ozone layer . is the layer of the atmosphere at an altitude of 15 to 40 km (stratosphere) . What is Ozone?. Ozone. . is a molecule made of three oxygen atoms. What is the function of the ozone layer. Objectives. T. h. e. . p. u. r. p. o. s. e. . o. f. . a. n. . i. n. v. e. s. t. i. g. a. t. i. o. n. T. h. e. . p. r. i. n. c. i. p. le. s. . o. f. . a. n. . e. ffe. c. t. iv. e. . i. n. v. e.