DOCSLIB.ORG

19670030539.Pdf

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
19670030539.Pdf / RSIC--657 MARSTHERMOPHYSlCS by GPO PRICE $ __-_-_----- W+P. McNutt BarbaraMaye CFSTI PRICE(S) $ Nancy McHugh ,LlaFd coDy (HC) .... ,-.J Microfiche (MFt _ f _53 JuW 185 September1967 THIS DOCUMENT HAS BEEN APPROVED FOR PUBLIC RELEASE AND SALE; ITS DISTRIBUTION IS UNLIMITED. REDSTONESCIENTIFICINFORMATIONCENTER REDSTONEARSENAL,ALABAMA JOINTLYSUPPORTEDBY _ U.S. ARMY MISSILE COMMAND J GEORGE C. MARSHALL SPACE FLIGHT CENTER ....,-,c_(_ _: _._ ____/ (AC / __o_ FORM AMSMI-R-78, 1 NOV 65 28 September1967 RSIC-657 MARS THERMOPHYSICS by W.P. McNutt BarbaraMaye Nancy McHugh THIS DOCUMENT HAS BEEN APPROVED FOR PUBLIC RELEASE AND SALE; ITS DISTRIBUTION IS UNLIMITED. ResearchBranch Redstone Scientific Infcrmation Center Researchand DevelopmentDirectorate U. S. Army Missile Command RedstoneArsenal, Alabama 35809 ABSTRACT This bibliography contains approximately 500 annotated citations on the planet Mars published from the latter part of the nineteenth century through early 1967. The selected references are concerned only with the thermophysics of Mars and, specifically, with the results of experiments and analyses in those regions of the electromagnetic spectrum which relate to thermophysics. Refer- ences concerning the possibility of life on Mars and space vehicle design and performance have been excluded. ii FOREWORD This bibliography, prepared for the Thermophysics Division, Space Sciences Laboratory of the George C. Marshall Space Flight Center, contains approximately 500 references on material published from the latter part of the nineteenth century to approximately April 1967. The primary sources searched to obtain these references were: Astronomischer Jahresbericht Defense Documentation Center holdings Bibliographies from NASA magnetic tapes which contains information from Scientific & Technical Aerospace Reports and International Aerospace Abstracts Science Abstracts Geophysical Abstracts JPL Space l>rogram Summaries RSIC document holdings Titles and abstracts of many papers are changed when published in two or more journals, and duplication is difficult to locate; however, a careful screening was conducted to eliminate as much duplication as possible. Only those references which appeared to have made a significant contribution toward the determination of the thermophysics, thermophysical characteristics, or thermal conditions on Mars were selected for inclusion in this report. Citations have been arranged alphabetically by author into eight subject sections. Since some authors discussed material applicable to more than one section, these citations were placed in the section which appeared to be most pertinent to the overall subject matter. iii ..... ,,,,_, PAGE _LAN_<: NOT FILM_), CONTENTS Page INTRODUCTION • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • 1 Section I. MARTIAN ATMOSPHERE ..................... Z A. CURRE NTS • • • , • ° . • • • • • • o • ° , • • ° • • • • • • • ° • . • • • o • Z B• C OM POSITION I 0 • • • • , • , • • • • • • • , • • • • • • , • • • • • • • • • , • C. DENSITY ..................................... 59 D. SCATTERING 68 • • • • , • • • • . • • • . • • • • • • • • • • • • • . • • • , • E IONOSPHERE 73 • • • • • • o • • , • • • . • • • • • . • • • • • • • • • • , • . • Section II. COMBINED GENERAL REFERENCES ............. 74 A. BIBLIOGRAPHIES, PROCEEDINGS, AND REVIEWS ....... 74 B. BOOKS • • • • • • • • • • • • • • . • • • • • • • • • • • • • • • • • • • • • • • 8 Z Section III. MARTIAN SURFACE ........................ 88 A. COMPOSITION ................................ 88 B. CANALS ..................................... 103 C. POLAR CAPS ................................. 115 Section IV. MARTIAN PHOTOGRAPHIC STUDIES iZ 5 • • • • • • • • • • ° • • Section V. ELECTROMAGNETIC SPECTRAL OBSERVATIONS 143 • • ° A. COLOR (VISIBLE) .............................. 143 B. ULTRAVIOLET (0.036 to 0.4 p) ..................... 161 C. POLARIZATION ( 0.22 to 1.6 p) ..................... 164 D. REFLECTION (0.22 to 1.6 p) ....................... 169 E. INFRARED (1 to 100 #) ........................... 177 F. RADIO EMISSION ( 0.1 to 20 cm) ..................... 191 G. RADAR REFLECTION (12.5 to 125 cm) ................ 195 H. TEMPERATURE ............................... 197 V INTRODUCTION This bibliography on Mars covers a particular region of the literature designated as thermophysics. Thermophysics includes that part of the physics of the planet which enters into a thermal energy balance at the planet surface, enters into the equation of radiative transfer, and concerns the thermal history of the planet. Thus, the referenced literature concerns the results of experiments and analyses in those regions of the electromagnetic spectrum which relate to temperature; thermal radiation; light reflection, polarization, and scattering; thermal properties of materials; and those electromagnetic properties directly related to thermal properties. Two major portions of the literature on the planet Mars which have little, if any, thermophysical connections are excluded from the bibliography; namely, (1) papers dealing with the possibity of life on Mars and related experiments, descriptions, and associated apparatus and (2) documents dealing with space vehicle design and performance. Specifically, excluded are references con- cerning the thermophysical characteristics of vehicles intended for use in the exploration of Mars. Subject divisions then fall into natural categories. The Martian atmo- sphere (especially composition and scattering) forms a major category contain- ing a large percentage of the total references. Another large group of references concerned with certain Martian characteristics are grouped in the electromag- netic spectral observations sections according to wavelength and are subdivided under light polarization, color, ultra-violet, visible and near infrared reflection, infrared emissions, radio (microwave) emission, radar reflections, and temperature. A general subject area is included which lists references contain- ing comprehensive coverage of several subjects; such as books, other biblio- graphies, proceedings and general reviews. The Martian surface references were selected for their contributions to a better understanding of the thermal properties and are divided into composition, canals and polar caps. One section is devoted to photographic studies of Mars. It is intended that this bibliography contain only material on the thermo- physical characteristics of the planet itself in order to provide an efficient research tool for use in establishing the thermal environment of Mars and in planning scientific experiments in thermophysics. Section I. MARTIAN ATMOSPHERE Aa CURRENTS 1. Bryan, C. H., KINETIC TIIEORY OF PLANETARY ATMOSPHERES, Roy. Soc. l>roc., 6__66,9 June 1900, pp. 335-336. The advance on work done in 1893 consists in the consideration of the effects of axial rotation of the planets, the surfaces of equal density then becoming of the form originally suggested by Roche. These cease to be closed surfaces when passing to the outside of the point on the equatorial plane, where the centrifugal force just balances planetary attraction. The author calls the surface through this point the "critical surface_" and the ratio of density at planet's surface to the density at this critical surface, the "critical density ratio." He then calculates the logarithm of this quantity for particular gases at different tempera- tures on the various planets. Next the rate of flow outwards from this surface is determined, and instances cited of the values deduced for helium, hydrogen, and water-vapour, which would appear to indicate that helium cannot escape from the earth's atmosphere at existing temperatures, nor water-vapour from the atmosphere of Mars. Geophysics Corporation of America, Bedford, Massachusetts, TIDES IN THE ATMOSPHERES OF EARTH AND MARS by R. A. Craig, September 1964, NASA CR-97, Contract No. NASw-704. The theory of atmospheric tides, as developed for Earth's atmo- sphere is applied to the Martian atmosphere. For corresponding modes of oscillation, equivalent depths are less in the Martian atmosphere than in Earth's atmosphere. On the other hand, the eigenvalue cor- responding to the presumed Martian temperature distribution in the troposphere and stratosphere is about 20 km, about twice the corre- sponding value on Earth. These differences arise mainly from the different radii and masses of the planets. Unless the temperature dis- tribution at high levels on Mars has a rather special form so that a second eigenvalue appears, no resonance magnification is to be expected. Tides in the Martian atmosphere might arise from periodic temperature oscillations, induced either by surface heating, or by radiative heating through deep layers of the atmosphere. Davies, T. V., PLANETARY ATMOSPHERES AND CONVECTION IN ROTATING FLUIDS, Nature, 180, 28 December 1957, pp. 1455-1461, Observatory, 77, October 1957, pp. 172-186. Report of a joint conference held by the Royal Meteorological Society and the Royal Astronomical Society at Burlington House, London, on 23 and 24 May 1957. Papers were presented on the indicated topics: Z. Kopal, The basic observational data on planetary atmo- spheres; P. A. Sheppard, The general circulation of the Earth's atmo- sphere; H. U. Sverdrup, The circulation of the oceans; E. Lorenz, The circulation of the atmospheres of the outer planets; R. Hide, Experiments on convection in rotating liquids; R. M. Goody, The thermal structure of Mars; H. C. Urey, The escape of planetary
Load more

Recommended publications
  • 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.
    [Show full text]
  • A Stringent Upper Limit of 20 Pptv for Methane on Mars and Constraints on Its Dispersion Outside Gale Crater F
    A&A 650, A140 (2021) Astronomy https://doi.org/10.1051/0004-6361/202140389 & © F. Montmessin et al. 2021 Astrophysics A stringent upper limit of 20 pptv for methane on Mars and constraints on its dispersion outside Gale crater F. Montmessin1 , O. I. Korablev2 , A. Trokhimovskiy2 , F. Lefèvre3 , A. A. Fedorova2 , L. Baggio1 , A. Irbah1 , G. Lacombe1, K. S. Olsen4 , A. S. Braude1 , D. A. Belyaev2 , J. Alday4 , F. Forget5 , F. Daerden6, J. Pla-Garcia7,8 , S. Rafkin8 , C. F. Wilson4, A. Patrakeev2, A. Shakun2, and J. L. Bertaux1 1 LATMOS/IPSL, UVSQ Université Paris-Saclay, Sorbonne Université, CNRS, Guyancourt, France e-mail: [email protected] 2 Space Research Institute (IKI) RAS, Moscow, Russia 3 LATMOS/IPSL, Sorbonne Université, UVSQ Université Paris-Saclay, CNRS, Paris, France 4 AOPP, Oxford University, Oxford, UK 5 Laboratoire de Météorologie Dynamique, Sorbonne Université, Paris, France 6 BIRA-IASB, Bruxelles, Belgium 7 Centro de Astrobiología (CSIC?INTA), Torrejón de Ardoz, Spain 8 Southwest Research Institute, Boulder, CO, USA Received 20 January 2021 / Accepted 23 April 2021 ABSTRACT Context. Reports on the detection of methane in the Martian atmosphere have motivated numerous studies aiming to confirm or explain its presence on a planet where it might imply a biogenic or more likely a geophysical origin. Aims. Our intent is to complement and improve on the previously reported detection attempts by the Atmospheric Chemistry Suite (ACS) on board the ExoMars Trace Gas Orbiter (TGO). This latter study reported the results of a campaign that was a few months in length, and was significantly hindered by a dusty period that impaired detection performances.
    [Show full text]
  • Potential European Contributions to Europa Lander Mission
    The Europa Initiative for ESA’s M5 mission Report to OPAG Michel Blanc, Geraint Jones, Olga Prieto-Ballesteros, Veerle Sterken, Javier Gomez-Elvira, David Mimoun, Adam Masters, Sascha Kempf, Luciano Iess, John Cooper, Zita Martins, Ralph Lorenz, Jérémie lasue, Nicolas André, Bruce Bills, Gael Choblet, Geoff Collins, Philippe Garnier, Kevin Hand, Paul Hartogh, Krishan Khurana, Andrea Longobardo, Katrin Stephan, Federico Tosi, Steve Vance, Tim van Hoolst, Roland Wagner, Frances Westall, Martin Wolverk, William Desprats, Ryan Russell, Georges Balmino, Julien Laurent-Varin and the Europa Initiative team August 11th, 2016 1 EI WORKING SCHEME Europa M5 for an ESA contribution to the Europa Lander mission Initiative Penetrator Contribution to Cubesat? Orbiter or… NASA lander A – GLOBAL GEOPHYSICSMagnetospheric interactions CHARACTERIZE EUROPA AS A COMPLEX DYNAMICAL SYSTEM B – ExosphereOF COUPLED LAYERS(neutrals, dust, plumes) FROM CORE TO PLASMA ENVELOPE THROUGH OCEAN AND CRYOSPHERE dimension RESPONDING TO E – Geophysics (internalJUPITER SYSTEM FORCING: TIDAL, MAGNETOSPHERICstructure, incl. Characterization of the ocean) themes ASTROBIOLOGY CONTRIBUTE TO NASA’s LANDER SCIENCE Science AND PROVIDE AN ADDITIONAL ELEMENT (AWL) As resources permit « Spacecraft » dimension EI contribution to EUROPA LanDer : SubmitteD LOI’s Joint Europa Mission (Blanc/Prieto-Ballesteros) • Baseline: Carrier-Orbiter + lander joint NASA/ESA mission: – P1a: Carrier-Orbiter provided by ESA, operated by NASA; – P1b: Alternative option: Carrier-Orbiter provided and operated by NASA; science platform (+ sub-systems?) provided by ESA – Science platform open to both ESA member states and NASA • Option 1: Augmented surface science: Astrobiology Wet Laboratory (AWL) provided by ESA + Member States to enhance landing site exploration. • Option 2: Augmented orbital science - cubesat released from carrier.
    [Show full text]
  • Template for Two-Page Abstracts in Word 97 (PC)
    GEOLOGIC MAPPING OF THE LUNAR SOUTH POLE QUADRANGLE (LQ-30). S.C. Mest1,2, D.C. Ber- man1, and N.E. Petro2, 1Planetary Science Institute, 1700 E. Ft. Lowell, Suite 106, Tucson, AZ 85719-2395 ([email protected]); 2Planetary Geodynamics Laboratory, Code 698, NASA GSFC, Greenbelt, MD 20771. Introduction: In this study we use recent image, the surface [7]. Impact craters display morphologies spectral and topographic data to map the geology of the ranging from simple to complex [7-9,24] and most lunar South Pole quadrangle (LQ-30) at 1:2.5M scale contain floor deposits distinct from surrounding mate- [1-7]. The overall objective of this research is to con- rials. Most of these deposits likely consist of impact strain the geologic evolution of LQ-30 (60°-90°S, 0°- melt; however, some deposits, especially on the floors ±180°) with specific emphasis on evaluation of a) the of the larger craters and basins (e.g., Antoniadi), ex- regional effects of impact basin formation, and b) the hibit low albedo and smooth surfaces and may contain spatial distribution of ejecta, in particular resulting mare. Higher albedo deposits tend to contain a higher from formation of the South Pole-Aitken (SPA) basin density of superposed impact craters. and other large basins. Key scientific objectives in- Antoniadi Crater. Antoniadi crater (D=150 km; clude: 1) Determining the geologic history of LQ-30 69.5°S, 172°W) is unique for several reasons. First, and examining the spatial and temporal variability of Antoniadi is the only lunar crater that contains both a geologic processes within the map area.
    [Show full text]
  • Extensional Tectonics in Tempe Terra 8 May 2006
    Extensional tectonics in Tempe Terra 8 May 2006 Tectonic processes (extensional stresses, in this case) have led to the development of these grabens. After the tectonic activity, other processes reshaped the landscape. In the scene, the results of weathering and mass transport can be seen. Due to erosion, the surface has been smoothed, giving formerly sharp edges a rounded appearance. Such terrain is called "fretted terrain" and is characteristic for the transition of highland to lowland. The valleys and grabens are 5 to 10 kilometres wide and up to 1500 metres deep. Along the graben flanks, the layering of the bedrock is exposed. The lineations on the valley floors are attributed to a slow viscous movement of material, Extensional tectonics in Tempe Terra. presumably in connection with ice. These lineations and indications of possible ice underneath the surface lead scientists to assume that the structures are rock glaciers or similar phenomena These images, taken by the High Resolution known from alpine regions on Earth. Stereo Camera (HRSC) on board ESA's Mars Express spacecraft, show the tectonic 'grabens' in The stereo and colour capabilities, and the high- Tempe Terra, a geologically complex region that is resolution coverage of extended areas, provided by part of the old Martian highlands. the HRSC camera allow for improved study of the complex geologic evolution of the Red Planet. The The HRSC obtained these images during orbit Mars Express HRSC camera gives scientists the 1180 on 19 December 2004 with a ground opportunity to better understand the tectonics of resolution of approximately 16.5 metres per pixel.
    [Show full text]
  • Glossary Glossary
    Glossary Glossary Albedo A measure of an object’s reflectivity. A pure white reflecting surface has an albedo of 1.0 (100%). A pitch-black, nonreflecting surface has an albedo of 0.0. The Moon is a fairly dark object with a combined albedo of 0.07 (reflecting 7% of the sunlight that falls upon it). The albedo range of the lunar maria is between 0.05 and 0.08. The brighter highlands have an albedo range from 0.09 to 0.15. Anorthosite Rocks rich in the mineral feldspar, making up much of the Moon’s bright highland regions. Aperture The diameter of a telescope’s objective lens or primary mirror. Apogee The point in the Moon’s orbit where it is furthest from the Earth. At apogee, the Moon can reach a maximum distance of 406,700 km from the Earth. Apollo The manned lunar program of the United States. Between July 1969 and December 1972, six Apollo missions landed on the Moon, allowing a total of 12 astronauts to explore its surface. Asteroid A minor planet. A large solid body of rock in orbit around the Sun. Banded crater A crater that displays dusky linear tracts on its inner walls and/or floor. 250 Basalt A dark, fine-grained volcanic rock, low in silicon, with a low viscosity. Basaltic material fills many of the Moon’s major basins, especially on the near side. Glossary Basin A very large circular impact structure (usually comprising multiple concentric rings) that usually displays some degree of flooding with lava. The largest and most conspicuous lava- flooded basins on the Moon are found on the near side, and most are filled to their outer edges with mare basalts.
    [Show full text]
  • General Index
    General Index Italicized page numbers indicate figures and tables. Color plates are in- cussed; full listings of authors’ works as cited in this volume may be dicated as “pl.” Color plates 1– 40 are in part 1 and plates 41–80 are found in the bibliographical index. in part 2. Authors are listed only when their ideas or works are dis- Aa, Pieter van der (1659–1733), 1338 of military cartography, 971 934 –39; Genoa, 864 –65; Low Coun- Aa River, pl.61, 1523 of nautical charts, 1069, 1424 tries, 1257 Aachen, 1241 printing’s impact on, 607–8 of Dutch hamlets, 1264 Abate, Agostino, 857–58, 864 –65 role of sources in, 66 –67 ecclesiastical subdivisions in, 1090, 1091 Abbeys. See also Cartularies; Monasteries of Russian maps, 1873 of forests, 50 maps: property, 50–51; water system, 43 standards of, 7 German maps in context of, 1224, 1225 plans: juridical uses of, pl.61, 1523–24, studies of, 505–8, 1258 n.53 map consciousness in, 636, 661–62 1525; Wildmore Fen (in psalter), 43– 44 of surveys, 505–8, 708, 1435–36 maps in: cadastral (See Cadastral maps); Abbreviations, 1897, 1899 of town models, 489 central Italy, 909–15; characteristics of, Abreu, Lisuarte de, 1019 Acequia Imperial de Aragón, 507 874 –75, 880 –82; coloring of, 1499, Abruzzi River, 547, 570 Acerra, 951 1588; East-Central Europe, 1806, 1808; Absolutism, 831, 833, 835–36 Ackerman, James S., 427 n.2 England, 50 –51, 1595, 1599, 1603, See also Sovereigns and monarchs Aconcio, Jacopo (d. 1566), 1611 1615, 1629, 1720; France, 1497–1500, Abstraction Acosta, José de (1539–1600), 1235 1501; humanism linked to, 909–10; in- in bird’s-eye views, 688 Acquaviva, Andrea Matteo (d.
    [Show full text]
  • Lexiconordica
    LexicoNordica Forfatter: Hannu Tommola og Arto Mustajoki [Den förnyade rysk-finska storordboken] Anmeldt værk: Martti Kuusinen, Vera Ollikainen og Julia Syrjäläinen. 1997. Venäjä- suomi-suursanakirja (Bol ´šoj russko-finskij slovar´) yli 90.000 hakusanaa ja sanontaa. Porvoo/Helsinki/Juva: WSOY og Moskva: Russkij jazyk, 1997. Kilde: LexicoNordica 5, 1998, s. 239-260 URL: http://ojs.statsbiblioteket.dk/index.php/lexn/issue/archive © LexicoNordica og forfatterne Betingelser for brug af denne artikel Denne artikel er omfattet af ophavsretsloven, og der må citeres fra den. Følgende betingelser skal dog være opfyldt: Citatet skal være i overensstemmelse med „god skik“ Der må kun citeres „i det omfang, som betinges af formålet“ Ophavsmanden til teksten skal krediteres, og kilden skal angives, jf. ovenstående bibliografiske oplysninger. Søgbarhed Artiklerne i de ældre LexicoNordica (1-16) er skannet og OCR-behandlet. OCR står for ’optical character recognition’ og kan ved tegngenkendelse konvertere et billede til tekst. Dermed kan man søge i teksten. Imidlertid kan der opstå fejl i tegngenkendelsen, og når man søger på fx navne, skal man være forberedt på at søgningen ikke er 100 % pålidelig. 239 Hannu Tommola & Arto Mustajoki Den förnyade rysk-finska storordboken Martti Kuusinen, Vera Ollikainen, Julia Syrjäläinen: Venäjä-suomi- suursanakirja (Bol´soj russko-finskij slovar´) yli 90.000 hakusanaa ja sanontaa. Toim. M. Kuusinen. Porvoo, Helsinki, Juva: WSOY & Moskva: Russkij jazyk, 1997, XXXI + 1575 s. Pris: FIM 554. The dictionary reviewed in this article is a revised edition of a Russian-Finnish dictionary compiled by scholars in the former Soviet Karelia. The dictionary was first published in 1963 in Moscow, then reprinted twice by the Finnish publishing house WSOY.
    [Show full text]
  • Martian Crater Morphology
    ANALYSIS OF THE DEPTH-DIAMETER RELATIONSHIP OF MARTIAN CRATERS A Capstone Experience Thesis Presented by Jared Howenstine Completion Date: May 2006 Approved By: Professor M. Darby Dyar, Astronomy Professor Christopher Condit, Geology Professor Judith Young, Astronomy Abstract Title: Analysis of the Depth-Diameter Relationship of Martian Craters Author: Jared Howenstine, Astronomy Approved By: Judith Young, Astronomy Approved By: M. Darby Dyar, Astronomy Approved By: Christopher Condit, Geology CE Type: Departmental Honors Project Using a gridded version of maritan topography with the computer program Gridview, this project studied the depth-diameter relationship of martian impact craters. The work encompasses 361 profiles of impacts with diameters larger than 15 kilometers and is a continuation of work that was started at the Lunar and Planetary Institute in Houston, Texas under the guidance of Dr. Walter S. Keifer. Using the most ‘pristine,’ or deepest craters in the data a depth-diameter relationship was determined: d = 0.610D 0.327 , where d is the depth of the crater and D is the diameter of the crater, both in kilometers. This relationship can then be used to estimate the theoretical depth of any impact radius, and therefore can be used to estimate the pristine shape of the crater. With a depth-diameter ratio for a particular crater, the measured depth can then be compared to this theoretical value and an estimate of the amount of material within the crater, or fill, can then be calculated. The data includes 140 named impact craters, 3 basins, and 218 other impacts. The named data encompasses all named impact structures of greater than 100 kilometers in diameter.
    [Show full text]
  • Program and Abstracts of 2017 Congress / Programme Et Résumés
    1 Sponsors | Commanditaires Gold Sponsors | Commanditaires d’or Silver Sponsors | Commanditaires d’argent Other Sponsors | Les autres Commanditaires 2 Contents Sponsors | Commanditaires .......................................................................................................................... 2 Welcome from the Premier of Ontario .......................................................................................................... 5 Bienvenue du premier ministre de l'Ontario .................................................................................................. 6 Welcome from the Mayor of Toronto ............................................................................................................ 7 Mot de bienvenue du maire de Toronto ........................................................................................................ 8 Welcome from the Minister of Fisheries, Oceans and the Canadian Coast Guard ...................................... 9 Mot de bienvenue de ministre des Pêches, des Océans et de la Garde côtière canadienne .................... 10 Welcome from the Minister of Environment and Climate Change .............................................................. 11 Mot de bienvenue du Ministre d’Environnement et Changement climatique Canada ................................ 12 Welcome from the President of the Canadian Meteorological and Oceanographic Society ...................... 13 Mot de bienvenue du président de la Société canadienne de météorologie et d’océanographie .............
    [Show full text]
  • Vegetative Ecology of a Montane Mire, Crater Lake National
    AJ ABSTRACT OF THE THESIS OF Susan Cornelia Seyer for the degree of Master of Science in Botany and Plant Pathology presented on December 14, 1979 Title: VEGETATIVE ECOLOGY OF A MONTANE MIRE, CRATER LAKE NATIONAL PARK, OREGON Redacted for Privacy Abstract approved: Jerry F. Franklin Mires, or peat-producing ecosystems, dominated by sedges, shrubs, and brown mosses, are common features in Cascade subalpine regions, occurring where moisture accumulates in small basins or on poorly-drained slopes. Although descriptions and classifications have been developed for mire vegetation in much of the world, there is little information of even a descriptive nature for these montane mires in Oregon and Washington. This thesis reports on phytosocia- logical structure, env'ironental relations, and successional trends in one such mire in the Oregon Cascade mountains. To characterize the general phytosociological structure of the mire vegetation at Sphagnum Bog, Crater Lake National Park, quantitative species cover data were used in conjunction with a Braun-Blanquet tabular analysis and two-dimensional stand ordinations, reciprocal averaging and a Bray-Curtis polar ordination. Defined community types correspond to physiognomic types as follows: Carex rostrata (reedswamp); Eleocharis pauciflora-Carex limosa, Eleocharis pauciflora/bryophytes (low sedge fens); Carex sichensis (tall sedge fen); Vaccinium/ Aulacomnium palustre, Vaccinium occidentala/Carex sitchensis (shrub thickets; Alnus incana/Brachythacium sp. and Salix barclayi (marginal carrs).Phases were defined when appropriate. A vegetation map was made to illustrate the locations and extent of the variouscommunities. Comparisons with other montane mires in thearea determined that the physiognomic units defined are repeatable when appropriate habitat conditions are present, and that they usually includemany of the same characteristic species, the dominant mosses being particularly constant.
    [Show full text]
  • Special Catalogue Milestones of Lunar Mapping and Photography Four Centuries of Selenography on the Occasion of the 50Th Anniversary of Apollo 11 Moon Landing
    Special Catalogue Milestones of Lunar Mapping and Photography Four Centuries of Selenography On the occasion of the 50th anniversary of Apollo 11 moon landing Please note: A specific item in this catalogue may be sold or is on hold if the provided link to our online inventory (by clicking on the blue-highlighted author name) doesn't work! Milestones of Science Books phone +49 (0) 177 – 2 41 0006 www.milestone-books.de [email protected] Member of ILAB and VDA Catalogue 07-2019 Copyright © 2019 Milestones of Science Books. All rights reserved Page 2 of 71 Authors in Chronological Order Author Year No. Author Year No. BIRT, William 1869 7 SCHEINER, Christoph 1614 72 PROCTOR, Richard 1873 66 WILKINS, John 1640 87 NASMYTH, James 1874 58, 59, 60, 61 SCHYRLEUS DE RHEITA, Anton 1645 77 NEISON, Edmund 1876 62, 63 HEVELIUS, Johannes 1647 29 LOHRMANN, Wilhelm 1878 42, 43, 44 RICCIOLI, Giambattista 1651 67 SCHMIDT, Johann 1878 75 GALILEI, Galileo 1653 22 WEINEK, Ladislaus 1885 84 KIRCHER, Athanasius 1660 31 PRINZ, Wilhelm 1894 65 CHERUBIN D'ORLEANS, Capuchin 1671 8 ELGER, Thomas Gwyn 1895 15 EIMMART, Georg Christoph 1696 14 FAUTH, Philipp 1895 17 KEILL, John 1718 30 KRIEGER, Johann 1898 33 BIANCHINI, Francesco 1728 6 LOEWY, Maurice 1899 39, 40 DOPPELMAYR, Johann Gabriel 1730 11 FRANZ, Julius Heinrich 1901 21 MAUPERTUIS, Pierre Louis 1741 50 PICKERING, William 1904 64 WOLFF, Christian von 1747 88 FAUTH, Philipp 1907 18 CLAIRAUT, Alexis-Claude 1765 9 GOODACRE, Walter 1910 23 MAYER, Johann Tobias 1770 51 KRIEGER, Johann 1912 34 SAVOY, Gaspare 1770 71 LE MORVAN, Charles 1914 37 EULER, Leonhard 1772 16 WEGENER, Alfred 1921 83 MAYER, Johann Tobias 1775 52 GOODACRE, Walter 1931 24 SCHRÖTER, Johann Hieronymus 1791 76 FAUTH, Philipp 1932 19 GRUITHUISEN, Franz von Paula 1825 25 WILKINS, Hugh Percy 1937 86 LOHRMANN, Wilhelm Gotthelf 1824 41 USSR ACADEMY 1959 1 BEER, Wilhelm 1834 4 ARTHUR, David 1960 3 BEER, Wilhelm 1837 5 HACKMAN, Robert 1960 27 MÄDLER, Johann Heinrich 1837 49 KUIPER Gerard P.
    [Show full text]