A Glossary for Biometeorology
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A Comparison of Precipitation from Maritime and Continental Air
254 BULLETIN AMERICAN METEOROLOGICAL SOCIETY A Comparison of Precipitation from Maritime and Continental Air GEORGE S. BENTON 1 and ROBERT T. BLACKBURN 2 OR many decades, knowledge of atmospheric These 123 periods of precipitation for 1946 were F movements of water vapor has lagged behind grouped as indicated below. Classifications for other phases of meteorological information. In which precipitation was necessarily from maritime recent years, however, the accumulation of upper- air are marked with an asterisk; classifications for air data has stimulated hydrometeorological re- which precipitation was necessarily from contin- search. One interesting problem considered has ental air are marked with a double asterisk. For been the source of precipitation classified accord- all other classifications, precipitation may have ing to air mass. occurred either from maritime or continental air, In 1937 Holzman [2] advanced the hypothesis depending upon the individual circumstances. that the great majority of precipitation comes from maritime air masses. Although meteorologists I. Cold front have generally been willing to accept this hypothe- A. Pre-frontal precipitation sis on the basis of their qualitative familiarity with *1. MT present throughout tropo- atmospheric phenomena, little has been done to sphere determine quantitatively the percentage of pre- **2. cP present throughout tropo- cipitation which can actually be traced to maritime sphere air. Certainly the precipitation from continental 3. MT overriding cP in warm sec- air masses must be measurable and must vary in tor importance from region to region. B. Post-frontal precipitation In the course of an analysis of the role of the 1. MT overriding cP atmosphere in the hydrologic cycle [1], the au- *a. -
Climate Change and Human Health: Risks and Responses
Climate change and human health RISKS AND RESPONSES Editors A.J. McMichael The Australian National University, Canberra, Australia D.H. Campbell-Lendrum London School of Hygiene and Tropical Medicine, London, United Kingdom C.F. Corvalán World Health Organization, Geneva, Switzerland K.L. Ebi World Health Organization Regional Office for Europe, European Centre for Environment and Health, Rome, Italy A.K. Githeko Kenya Medical Research Institute, Kisumu, Kenya J.D. Scheraga US Environmental Protection Agency, Washington, DC, USA A. Woodward University of Otago, Wellington, New Zealand WORLD HEALTH ORGANIZATION GENEVA 2003 WHO Library Cataloguing-in-Publication Data Climate change and human health : risks and responses / editors : A. J. McMichael . [et al.] 1.Climate 2.Greenhouse effect 3.Natural disasters 4.Disease transmission 5.Ultraviolet rays—adverse effects 6.Risk assessment I.McMichael, Anthony J. ISBN 92 4 156248 X (NLM classification: WA 30) ©World Health Organization 2003 All rights reserved. Publications of the World Health Organization can be obtained from Marketing and Dis- semination, World Health Organization, 20 Avenue Appia, 1211 Geneva 27, Switzerland (tel: +41 22 791 2476; fax: +41 22 791 4857; email: [email protected]). Requests for permission to reproduce or translate WHO publications—whether for sale or for noncommercial distribution—should be addressed to Publications, at the above address (fax: +41 22 791 4806; email: [email protected]). The designations employed and the presentation of the material in this publication do not imply the expression of any opinion whatsoever on the part of the World Health Organization concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries. -
Role of the Dew Water on the Ground Surface in HONO Distribution: a Case Measurement in Melpitz
Atmos. Chem. Phys., 20, 13069–13089, 2020 https://doi.org/10.5194/acp-20-13069-2020 © Author(s) 2020. This work is distributed under the Creative Commons Attribution 4.0 License. Role of the dew water on the ground surface in HONO distribution: a case measurement in Melpitz Yangang Ren1, Bastian Stieger2, Gerald Spindler2, Benoit Grosselin1, Abdelwahid Mellouki1, Thomas Tuch2, Alfred Wiedensohler2, and Hartmut Herrmann2 1Institut de Combustion, Aérothermique, Réactivité et Environnement (ICARE), CNRS (UPR 3021), Observatoire des Sciences de l’Univers en région Centre (OSUC), 1C Avenue de la Recherche Scientifique, 45071 Orléans CEDEX 2, France 2Leibniz Institute for Tropospheric Research (TROPOS), Permoserstraße 15, 04318 Leipzig, Germany Correspondence: Abdelwahid Mellouki ([email protected]) and Hartmut Herrmann ([email protected]) Received: 25 November 2019 – Discussion started: 30 January 2020 Revised: 27 August 2020 – Accepted: 13 September 2020 – Published: 9 November 2020 Abstract. To characterize the role of dew water for the eas that provide a large amount of ground surface based on ground surface HONO distribution, nitrous acid (HONO) the OH production rate calculation. measurements with a Monitor for AeRosols and Gases in am- bient Air (MARGA) and a LOng Path Absorption Photome- ter (LOPAP) instrument were performed at the Leibniz In- 1 Introduction stitute for Tropospheric Research (TROPOS) research site in Melpitz, Germany, from 19 to 29 April 2018. The dew water Nitrous acid (HONO) is important in atmospheric chemistry was also collected and analyzed from 8 to 14 May 2019 using as its photolysis (Reaction R1) is an important source of OH a glass sampler. The high time resolution of HONO measure- radicals. -
Air Masses and Fronts
CHAPTER 4 AIR MASSES AND FRONTS Temperature, in the form of heating and cooling, contrasts and produces a homogeneous mass of air. The plays a key roll in our atmosphere’s circulation. energy supplied to Earth’s surface from the Sun is Heating and cooling is also the key in the formation of distributed to the air mass by convection, radiation, and various air masses. These air masses, because of conduction. temperature contrast, ultimately result in the formation Another condition necessary for air mass formation of frontal systems. The air masses and frontal systems, is equilibrium between ground and air. This is however, could not move significantly without the established by a combination of the following interplay of low-pressure systems (cyclones). processes: (1) turbulent-convective transport of heat Some regions of Earth have weak pressure upward into the higher levels of the air; (2) cooling of gradients at times that allow for little air movement. air by radiation loss of heat; and (3) transport of heat by Therefore, the air lying over these regions eventually evaporation and condensation processes. takes on the certain characteristics of temperature and The fastest and most effective process involved in moisture normal to that region. Ultimately, air masses establishing equilibrium is the turbulent-convective with these specific characteristics (warm, cold, moist, transport of heat upwards. The slowest and least or dry) develop. Because of the existence of cyclones effective process is radiation. and other factors aloft, these air masses are eventually subject to some movement that forces them together. During radiation and turbulent-convective When these air masses are forced together, fronts processes, evaporation and condensation contribute in develop between them. -
Aristotle University of Thessaloniki School of Geology Department of Meteorology and Climatology
1 ARISTOTLE UNIVERSITY OF THESSALONIKI SCHOOL OF GEOLOGY DEPARTMENT OF METEOROLOGY AND CLIMATOLOGY School of Geology 541 24 – Thessaloniki Greece Tel: 2310-998240 Fax:2310995392 e-mail: [email protected] 25 August 2020 Dear Editor We have submitted our revised manuscript with title “Fast responses on pre- industrial climate from present-day aerosols in a CMIP6 multi-model study” for potential publication in Atmospheric Chemistry and Physics. We considered all the comments of the reviewers and there is a detailed response on their comments point by point (see below). I would like to mention that after uncovering an error in the set- up of the atmosphere-only configuration of UKESM1, the piClim simulations of UKESM1-0-LL were redone and uploaded on ESGF (O'Connor, 2019a,b). Hence all ensemble calculations and Figures were redone using the new UKESM1-0-LL simulations. Furthermore, a new co-author (Konstantinos Tsigaridis), who has contributed in the simulations of GISS-E2-1-G used in this work, was added in the manuscript. Yours sincerely Prodromos Zanis Professor 2 Reply to Reviewer #1 We would like to thank Reviewer #1 for the constructive and helpful comments. Reviewer’s contribution is recognized in the acknowledgments of the revised manuscript. It follows our response point by point. 1) The Reviewer notes: “Section 1: Fast response vs. slow response discussion. I understand the use of these concepts, especially in view of intercomparing models. Imagine you have to talk to a wider audience interested in the “effective response” of climate to aerosol forcing in a naturally coupled climate system. -
Weather and Climate: Changing Human Exposures K
CHAPTER 2 Weather and climate: changing human exposures K. L. Ebi,1 L. O. Mearns,2 B. Nyenzi3 Introduction Research on the potential health effects of weather, climate variability and climate change requires understanding of the exposure of interest. Although often the terms weather and climate are used interchangeably, they actually represent different parts of the same spectrum. Weather is the complex and continuously changing condition of the atmosphere usually considered on a time-scale from minutes to weeks. The atmospheric variables that characterize weather include temperature, precipitation, humidity, pressure, and wind speed and direction. Climate is the average state of the atmosphere, and the associated characteristics of the underlying land or water, in a particular region over a par- ticular time-scale, usually considered over multiple years. Climate variability is the variation around the average climate, including seasonal variations as well as large-scale variations in atmospheric and ocean circulation such as the El Niño/Southern Oscillation (ENSO) or the North Atlantic Oscillation (NAO). Climate change operates over decades or longer time-scales. Research on the health impacts of climate variability and change aims to increase understanding of the potential risks and to identify effective adaptation options. Understanding the potential health consequences of climate change requires the development of empirical knowledge in three areas (1): 1. historical analogue studies to estimate, for specified populations, the risks of climate-sensitive diseases (including understanding the mechanism of effect) and to forecast the potential health effects of comparable exposures either in different geographical regions or in the future; 2. studies seeking early evidence of changes, in either health risk indicators or health status, occurring in response to actual climate change; 3. -
Electricity Demand Reduction in Sydney and Darwin with Local Climate Mitigation
P. Rajagopalan and M.M Andamon (eds.), Engaging Architectural Science: Meeting the Challenges of Higher Density: 52nd 285 International Conference of the Architectural Science Association 2018, pp.285–293. ©2018, The Architectural Science Association and RMIT University, Australia. Electricity demand reduction in Sydney and Darwin with local climate mitigation Riccardo Paolini UNSW Built Environment, UNSW Sydney, Australia [email protected] Shamila Haddad UNSW Built Environment, UNSW Sydney, Australia [email protected] Afroditi Synnefa UNSW Built Environment, UNSW Sydney, Australia [email protected] Samira Garshasbi UNSW Built Environment, UNSW Sydney, Australia [email protected] Mattheos Santamouris UNSW Built Environment, UNSW Sydney, Australia [email protected] Abstract: Urban overheating in synergy with global climate change will be enhanced by the increasing population density and increased land use in Australian Capital Cities, boosting the total and peak electricity demand. Here we assess the relation between ambient conditions and electricity demand in Sydney and Darwin and the impact of local climate mitigation strategies including greenery, cool materials, water and their combined use at precinct scale. By means of a genetic algorithm, we produced two site-specific surrogate models, for New South Wales and Darwin CBD, to compute the electricity demand as a function of air temperature, humidity and incoming solar radiation. For Western Sydney, the total electricity savings computed under the different mitigation scenarios range between 0.52 and 0.91 TWh for the summer of 2016/2017, namely 4.5 % of the total, with the most relevant saving concerning the peak demand, equal to 9 % with cool materials and water sprinkling. -
Geography and Atmospheric Science 1
Geography and Atmospheric Science 1 Undergraduate Research Center is another great resource. The center Geography and aids undergraduates interested in doing research, offers funding opportunities, and provides step-by-step workshops which provide Atmospheric Science students the skills necessary to explore, investigate, and excel. Atmospheric Science labs include a Meteorology and Climate Hub Geography as an academic discipline studies the spatial dimensions of, (MACH) with state-of-the-art AWIPS II software used by the National and links between, culture, society, and environmental processes. The Weather Service and computer lab and collaborative space dedicated study of Atmospheric Science involves weather and climate and how to students doing research. Students also get hands-on experience, those affect human activity and life on earth. At the University of Kansas, from forecasting and providing reports to university radio (KJHK 90.7 our department's programs work to understand human activity and the FM) and television (KUJH-TV) to research project opportunities through physical world. our department and the University of Kansas Undergraduate Research Center. Why study geography? . Because people, places, and environments interact and evolve in a changing world. From conservation to soil science to the power of Undergraduate Programs geographic information science data and more, the study of geography at the University of Kansas prepares future leaders. The study of geography Geography encompasses landscape and physical features of the planet and human activity, the environment and resources, migration, and more. Our Geography integrates information from a variety of sources to study program (http://geog.ku.edu/degrees/) has a unique cross-disciplinary the nature of culture areas, the emergence of physical and human nature with pathway options (http://geog.ku.edu/geography-pathways/) landscapes, and problems of interaction between people and the and diverse faculty (http://geog.ku.edu/faculty/) who are passionate about environment. -
Welcome to Biometeorology. I Am a Professor of Biometeorology. I Have Worked at Cal Since 1999
Welcome to Biometeorology. I am a professor of Biometeorology. I have worked at Cal since 1999. I received my BS in Atmospheric Science from UC Davis, a PhD in Bioenvironmental Engineering from the University of Nebraska, Lincoln. I then spent 17 years at the NOAA Atmospheric Turbulence and Diffusion Division in Oak Ridge, TN working as a Biometeorologist and Physical Scientist. Those interested in the work of my lab, you can get information on our research and publications at nature.berkeley.edu/biometlab 1 2 The field of Biometeorology can be very broad, including roles of weather on: 1) human health; 2) outbreaks of insects and pathogens, 3) the health and production of dairy, cattle, pigs and chickens, 4) frost prevention, 5) irrigation management, 6) modeling of crop growth, yield and crop management, 7) study of phenological growth stages, 8) integrated assessments with remote sensing and 9) future change in these systems with global warming and land use change 3 List of topics that hopefully relate with and engage with the diverse background of students taking this course. I hope it serves as a motivation for your interest and need to take biometeorology as it serves the many multifaceted goals of these other fields. In short many of these fields need to predict the rate of fluxes given the state of the environment. Our job is to translate information from distance weather stations to the site of the organism to better assess these fluxes. 4 There is a two connection between the atmosphere and underlying biosphere. Meteorological conditions affect the activity of life in the soil and plants. -
Air Quality in North America's Most Populous City
Atmos. Chem. Phys., 7, 2447–2473, 2007 www.atmos-chem-phys.net/7/2447/2007/ Atmospheric © Author(s) 2007. This work is licensed Chemistry under a Creative Commons License. and Physics Air quality in North America’s most populous city – overview of the MCMA-2003 campaign L. T. Molina1,2, C. E. Kolb3, B. de Foy1,2,4, B. K. Lamb5, W. H. Brune6, J. L. Jimenez7,8, R. Ramos-Villegas9, J. Sarmiento9, V. H. Paramo-Figueroa9, B. Cardenas10, V. Gutierrez-Avedoy10, and M. J. Molina1,11 1Department of Earth, Atmospheric and Planetary Science, Massachusetts Institute of Technology, Cambridge, MA, USA 2Molina Center for Energy and Environment, La Jolla, CA, USA 3Aerodyne Research, Inc., Billerica, MA, USA 4Saint Louis University, St. Louis, MO, USA 5Laboratory for Atmospheric Research, Department of Civil and Environmental Engineering, Washington State University, Pullman, WA, USA 6Department of Meteorology, Pennsylvania State University, University Park, PA, USA 7Department of Chemistry and Biochemistry, University of Colorado at Boulder, Boulder, CO, USA 8Cooperative Institute for Research in the Environmental Sciences (CIRES), Univ. of Colorado at Boulder, Boulder, CO, USA 9Secretary of Environment, Government of the Federal District, Mexico, DF, Mexico 10National Center for Environmental Research and Training, National Institute of Ecology, Mexico, DF, Mexico 11Department of Chemistry and Biochemistry, University of California at San Diego, San Diego, CA, USA Received: 22 February 2007 – Published in Atmos. Chem. Phys. Discuss.: 27 February 2007 Revised: 10 May 2007 – Accepted: 10 May 2007 – Published: 14 May 2007 Abstract. Exploratory field measurements in the Mexico 1 Introduction City Metropolitan Area (MCMA) in February 2002 set the stage for a major air quality field measurement campaign in 1.1 Air pollution in megacities the spring of 2003 (MCMA-2003). -
Evapotranspiration Estimation: a Study of Methods in the Western United States
Utah State University DigitalCommons@USU All Graduate Theses and Dissertations Graduate Studies 5-2016 Evapotranspiration Estimation: A Study of Methods in the Western United States Clayton S. Lewis Utah State University Follow this and additional works at: https://digitalcommons.usu.edu/etd Part of the Civil Engineering Commons Recommended Citation Lewis, Clayton S., "Evapotranspiration Estimation: A Study of Methods in the Western United States" (2016). All Graduate Theses and Dissertations. 4683. https://digitalcommons.usu.edu/etd/4683 This Dissertation is brought to you for free and open access by the Graduate Studies at DigitalCommons@USU. It has been accepted for inclusion in All Graduate Theses and Dissertations by an authorized administrator of DigitalCommons@USU. For more information, please contact [email protected]. EVAPOTRANSPIRATION ESTIMATION: A STUDY OF METHODS IN THE WESTERN UNITED STATES by Clayton S. Lewis A dissertation submitted in partial fulfillment of the requirements of the degree of DOCTOR OF PHILOSOPHY in Civil Engineering Approved: _________________________ _________________________ Christopher M. U. Neale Gilberto E. Urroz Major Professor Committee Member _________________________ _________________________ Robert W. Hill Joanna Endter-Wada Committee Member Committee Member _________________________ _________________________ Jagath J. Kaluarachchi Mark McLellan Committee Member Vice President for Research and Dean of the School of Graduate Studies UTAH STATE UNIVERSITY Logan, Utah 2016 ii Copyright © Clayton S. Lewis 2016 All Rights Reserved iii ABSTRACT Evapotranspiration Estimation: A Study of Methods in the Western United States by Clayton S. Lewis, Doctor of Philosophy Utah State University, 2016 Major Professor: Dr. Christopher M. U. Neale Department: Civil and Environmental Engineering This research focused on estimating evapotranspiration (i.e., the amount of water vaporizing into the atmosphere through processes of surface evaporation and plant transpiration) under both theoretical and actual conditions. -
Hurricane Response Annex Overview Introduction
TABLE OF CONTENTS SECTION I – HURICANE RESPONSE ANNEX OVERVIEW ............................................................... 2 INTRODUCTION .................................................................................................................................................. 3 PLANNING ASSUMPTIONS ................................................................................................................................... 4 COMMUNITY IMPACTS ........................................................................................................................................ 4 SECTION II – CONCEPT OF OPERATIONS ........................................................................................ 5 DEFINING THE HAZARD ...................................................................................................................................... 5 Tropical Cyclones ..................................................................................................................................................... 5 TIMELINES ........................................................................................................................................................... 6 HURRICANE SEASON ...................................................................................................................................... 6 RESPONDER REENTRY HOUR ......................................................................................................................... 7 SECTION III – ROLES & RESPONSIBILITIES