DOCSLIB.ORG

Impact Craters on Titan: Finalizing Titan's Crater Population

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
Impact Craters on Titan: Finalizing Titan's Crater Population Western University Scholarship@Western Electronic Thesis and Dissertation Repository 8-3-2018 2:00 PM Impact Craters on Titan: Finalizing Titan's Crater Population Joshua E. Hedgepeth The University of Western Ontario Supervisor Neish, Catherine D. The University of Western Ontario Graduate Program in Geophysics A thesis submitted in partial fulfillment of the equirr ements for the degree in Master of Science © Joshua E. Hedgepeth 2018 Follow this and additional works at: https://ir.lib.uwo.ca/etd Part of the Geology Commons, Geomorphology Commons, and the Geophysics and Seismology Commons Recommended Citation Hedgepeth, Joshua E., "Impact Craters on Titan: Finalizing Titan's Crater Population" (2018). Electronic Thesis and Dissertation Repository. 5618. https://ir.lib.uwo.ca/etd/5618 This Dissertation/Thesis is brought to you for free and open access by Scholarship@Western. It has been accepted for inclusion in Electronic Thesis and Dissertation Repository by an authorized administrator of Scholarship@Western. For more information, please contact [email protected]. Abstract Titan is one of the most dynamic moons in the solar system. It is smaller than Earth and much colder, yet Titan is eerily similar to Earth, with rivers, rain, and seas, as well as sand seas that wrap around the equator. However, the rivers are made of hydrocarbons rather than water and the sand made of organics rather rock. We can use Titan’s impact craters to study how these processes modify the surface by comparing the craters depths, diameters and rim heights of Titan’s craters with fresh craters. Therefore, we have used the complete data set from NASA’s Cassini mission to update Titan’s crater population finding 30 new craters (90 total). We find that Titan’s craters are statistically shallower than those observed on similarly sized icy moons (e.g. Ganymede). We suggest this is due to sand and sediment infilling into the crater and fluvial erosion of the rims. Keywords Titan, Cassini-Huygens, Impact Cratering, Dragonfly, Geomorphology, Fluvial, Aeolian, Radar, i Co-Authorship Statement Chapter 1 and 3 were written by J. Hedgepeth with edits and suggestions from Dr. C. Neish. Chapter 1 is a literature review of previous work. Chapter 3 is a review of the work presented here along with limitations, assumptions, and future work. Chapter 2 is a modified article set to be submitted to Icarus for a publication tentatively titled “Impact Craters on Titan: Finalizing Titan's Crater Population”. Co-authors are Dr. Catherine Neish, Dr. Elizabeth Turtle, and Dr. Bryan Stiles and the Cassini RADAR Team. Dr. B. Stiles produced the SARTopo data. All RADAR data was collected by J. Hedgepeth, and all the data processing and results were produced by J. Hedgepeth. Dr. C. Neish, Dr. E. Turtle, and Dr. B. Stiles contributed to the interpretations and structure of the article as well as editorial suggestions. ii Acknowledgments Thank you to Dr. Catherine Neish for her great guidance and advice throughout this project. Thanks also for your patience and your encouragement for a healthy work life balance. Thank you to everyone in the Neish research group for all your support and aid. Thanks particularly to Alyssa Werynski, as the only other student in the group in the Titan field. Thanks to Dr Elizabeth Turtle for the guidance and for welcoming me into the wonderful Titan community. Thanks to Dr. Brittany Schmidt for suggesting I apply to Western, and thanks for your continual support as I grow as a young scientist. Without you I probably would not have made it this far. Thanks to my friends for the emotional support. Thanks to Bryan Stiles for the awesome topography data that, while frustrating at times, has been the basis for the most interesting part of my research. Thank you to the Technologies for Exo-Planetary Science (TEPS) CREATE program for the funding and opportunities to broaden my background to include exoplanetary research and for the opportunities to network in this early stage of my career. Thank you to my committee for reviewing and critiquing my work. Thank you to my department and particularly to Dr. Gordon Osinski for two awesome classes that gave me the opportunity to study multiple terrestrial analogs that we see on Titan. iii Table of Contents Abstract ........................................................................................................................... i Co-Authorship Statement ............................................................................................... ii Acknowledgments ......................................................................................................... iii Table of Contents .......................................................................................................... iv List of Tables ................................................................................................................ vii List of Figures ............................................................................................................. viii List of Appendices ....................................................................................................... xiii Chapter 1 .........................................................................................................................1 1 Introduction ................................................................................................................1 1.1 The Saturnian System ..........................................................................................1 1.2 Titan ....................................................................................................................4 1.2.1 Titan’s Atmosphere and Origin .................................................................6 1.2.2 Titan’s Surface ....................................................................................... 10 1.3 Impact Cratering ................................................................................................ 13 1.3.1 Formation ............................................................................................... 13 1.3.2 Crater Morphology ................................................................................. 15 1.3.3 Crater Morphometry ............................................................................... 16 1.3.4 Titan Craters ........................................................................................... 19 1.3.5 Crater Degradation ................................................................................. 23 1.3.6 Significance ............................................................................................ 24 1.4 Radar Remote Sensing ....................................................................................... 24 1.4.1 Surface Properties................................................................................... 25 1.4.2 Cassini RADAR and Related Data Products ........................................... 26 1.4.3 Cassini VIMS and ISS Instruments ......................................................... 28 iv 1.5 Summary ........................................................................................................... 29 1.6 References ......................................................................................................... 30 Chapter 2 ....................................................................................................................... 41 2 Identifying Impact Craters on Titan and Constraining their Morphology (i.e. Diameter, Depths, and Rim Heights) ......................................................................................... 41 2.1 Introduction ....................................................................................................... 41 2.2 Methodology ...................................................................................................... 43 2.2.1 Data Gathering and Processing ............................................................... 43 2.2.2 Crater Mapping ...................................................................................... 43 2.2.3 Crater Topography ................................................................................. 47 2.3 Results ............................................................................................................... 53 2.3.1 Final Crater Population ........................................................................... 53 2.3.2 Crater Counts ......................................................................................... 61 2.3.3 Crater Topography ................................................................................. 63 2.4 Conclusion ......................................................................................................... 71 2.5 References ......................................................................................................... 73 Chapter 3 ...................................................................................................................... 78 3 Conclusions .............................................................................................................. 78 3.1 Titan’s Craters ................................................................................................... 78 3.2 Limitations ......................................................................................................... 80 3.2.1 Assumptions in Crater Mapping ............................................................
Load more

Recommended publications
  • Planetary Geologic Mappers Annual Meeting
    Program Lunar and Planetary Institute 3600 Bay Area Boulevard Houston TX 77058-1113 Planetary Geologic Mappers Annual Meeting June 12–14, 2018 • Knoxville, Tennessee Institutional Support Lunar and Planetary Institute Universities Space Research Association Convener Devon Burr Earth and Planetary Sciences Department, University of Tennessee Knoxville Science Organizing Committee David Williams, Chair Arizona State University Devon Burr Earth and Planetary Sciences Department, University of Tennessee Knoxville Robert Jacobsen Earth and Planetary Sciences Department, University of Tennessee Knoxville Bradley Thomson Earth and Planetary Sciences Department, University of Tennessee Knoxville Abstracts for this meeting are available via the meeting website at https://www.hou.usra.edu/meetings/pgm2018/ Abstracts can be cited as Author A. B. and Author C. D. (2018) Title of abstract. In Planetary Geologic Mappers Annual Meeting, Abstract #XXXX. LPI Contribution No. 2066, Lunar and Planetary Institute, Houston. Guide to Sessions Tuesday, June 12, 2018 9:00 a.m. Strong Hall Meeting Room Introduction and Mercury and Venus Maps 1:00 p.m. Strong Hall Meeting Room Mars Maps 5:30 p.m. Strong Hall Poster Area Poster Session: 2018 Planetary Geologic Mappers Meeting Wednesday, June 13, 2018 8:30 a.m. Strong Hall Meeting Room GIS and Planetary Mapping Techniques and Lunar Maps 1:15 p.m. Strong Hall Meeting Room Asteroid, Dwarf Planet, and Outer Planet Satellite Maps Thursday, June 14, 2018 8:30 a.m. Strong Hall Optional Field Trip to Appalachian Mountains Program Tuesday, June 12, 2018 INTRODUCTION AND MERCURY AND VENUS MAPS 9:00 a.m. Strong Hall Meeting Room Chairs: David Williams Devon Burr 9:00 a.m.
    [Show full text]
  • USGS Open-File Report 2005-1190, Table 1
    TABLE 1 GEOLOGIC FIELD-TRAINING OF NASA ASTRONAUTS BETWEEN JANUARY 1963 AND NOVEMBER 1972 The following is a year-by-year listing of the astronaut geologic field training trips planned and led by personnel from the U.S. Geological Survey’s Branches of Astrogeology and Surface Planetary Exploration, in collaboration with the Geology Group at the Manned Spacecraft Center, Houston, Texas at the request of NASA between January 1963 and November 1972. Regional geologic experts from the U.S. Geological Survey and other governmental organizations and universities s also played vital roles in these exercises. [The early training (between 1963 and 1967) involved a rather large contingent of astronauts from NASA groups 1, 2, and 3. For another listing of the astronaut geologic training trips and exercises, including all attending and the general purposed of the exercise, the reader is referred to the following website containing a contribution by William Phinney (Phinney, book submitted to NASA/JSC; also http://www.hq.nasa.gov/office/pao/History/alsj/ap-geotrips.pdf).] 1963 16-18 January 1963: Meteor Crater and San Francisco Volcanic Field near Flagstaff, Arizona (9 astronauts). Among the nine astronaut trainees in Flagstaff for that initial astronaut geologic training exercise was Neil Armstrong--who would become the first man to step foot on the Moon during the historic Apollo 11 mission in July 1969! The other astronauts present included Frank Borman (Apollo 8), Charles "Pete" Conrad (Apollo 12), James Lovell (Apollo 8 and the near-tragic Apollo 13), James McDivitt, Elliot See (killed later in a plane crash), Thomas Stafford (Apollo 10), Edward White (later killed in the tragic Apollo 1 fire at Cape Canaveral), and John Young (Apollo 16).
    [Show full text]
  • No. 40. the System of Lunar Craters, Quadrant Ii Alice P
    NO. 40. THE SYSTEM OF LUNAR CRATERS, QUADRANT II by D. W. G. ARTHUR, ALICE P. AGNIERAY, RUTH A. HORVATH ,tl l C.A. WOOD AND C. R. CHAPMAN \_9 (_ /_) March 14, 1964 ABSTRACT The designation, diameter, position, central-peak information, and state of completeness arc listed for each discernible crater in the second lunar quadrant with a diameter exceeding 3.5 km. The catalog contains more than 2,000 items and is illustrated by a map in 11 sections. his Communication is the second part of The However, since we also have suppressed many Greek System of Lunar Craters, which is a catalog in letters used by these authorities, there was need for four parts of all craters recognizable with reasonable some care in the incorporation of new letters to certainty on photographs and having diameters avoid confusion. Accordingly, the Greek letters greater than 3.5 kilometers. Thus it is a continua- added by us are always different from those that tion of Comm. LPL No. 30 of September 1963. The have been suppressed. Observers who wish may use format is the same except for some minor changes the omitted symbols of Blagg and Miiller without to improve clarity and legibility. The information in fear of ambiguity. the text of Comm. LPL No. 30 therefore applies to The photographic coverage of the second quad- this Communication also. rant is by no means uniform in quality, and certain Some of the minor changes mentioned above phases are not well represented. Thus for small cra- have been introduced because of the particular ters in certain longitudes there are no good determi- nature of the second lunar quadrant, most of which nations of the diameters, and our values are little is covered by the dark areas Mare Imbrium and better than rough estimates.
    [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]
  • 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]
  • Warfare in a Fragile World: Military Impact on the Human Environment
    Recent Slprt•• books World Armaments and Disarmament: SIPRI Yearbook 1979 World Armaments and Disarmament: SIPRI Yearbooks 1968-1979, Cumulative Index Nuclear Energy and Nuclear Weapon Proliferation Other related •• 8lprt books Ecological Consequences of the Second Ihdochina War Weapons of Mass Destruction and the Environment Publish~d on behalf of SIPRI by Taylor & Francis Ltd 10-14 Macklin Street London WC2B 5NF Distributed in the USA by Crane, Russak & Company Inc 3 East 44th Street New York NY 10017 USA and in Scandinavia by Almqvist & WikseH International PO Box 62 S-101 20 Stockholm Sweden For a complete list of SIPRI publications write to SIPRI Sveavagen 166 , S-113 46 Stockholm Sweden Stoekholol International Peace Research Institute Warfare in a Fragile World Military Impact onthe Human Environment Stockholm International Peace Research Institute SIPRI is an independent institute for research into problems of peace and conflict, especially those of disarmament and arms regulation. It was established in 1966 to commemorate Sweden's 150 years of unbroken peace. The Institute is financed by the Swedish Parliament. The staff, the Governing Board and the Scientific Council are international. As a consultative body, the Scientific Council is not responsible for the views expressed in the publications of the Institute. Governing Board Dr Rolf Bjornerstedt, Chairman (Sweden) Professor Robert Neild, Vice-Chairman (United Kingdom) Mr Tim Greve (Norway) Academician Ivan M£ilek (Czechoslovakia) Professor Leo Mates (Yugoslavia) Professor
    [Show full text]
  • Lunar & Planetary Surface Power Management & Distribution
    NASA SBIR 2020 Phase I Solicitation Z1.05 Lunar & Planetary Surface Power Management & Distribution Lead Center: GRC Participating Center(s): GSFC, JSC Technology Area: TA3 Space Power and Energy Storage Scope Title Innovative ways to transmit high power for lunar & Mars surface missions Scope Description The Global Exploration Roadmap (January 2018) and the Space Policy Directive (December 2017) detail NASA’s plans for future human-rated space missions. A major factor in this involves establishing bases on the lunar surface and eventually Mars. Surface power for bases is envisioned to be located remotely from the habitat modules and must be efficiently transferred over significant distances. The International Space Station (ISS) has the highest power (100kW), and largest space power distribution system with eight interleaved micro-grids providing power functions similar to a terrestrial power utility. Planetary bases will be similar to the ISS with expectations of multiple power sources, storage, science, and habitation modules, but at higher power levels and with longer distribution networks providing interconnection. In order to enable high power (>100kW) and longer distribution systems on the surface of the moon or Mars, NASA is in need of innovative technologies in the areas of lower mass/higher efficiency power electronic regulators, switchgear, cabling, connectors, wireless sensors, power beaming, power scavenging, and power management control. The technologies of interest would need to operate in extreme temperature environments, including lunar night, and could experience temperature changes from -153C to 123C for lunar applications, and -125C to 80C for Mars bases. In addition to temperature extremes, technologies would need to withstand (have minimal degradation from) lunar dust/regolith, Mars dust storms, and space radiation levels.
    [Show full text]
  • (Preprint) AAS 18-416 PRELIMINARY INTERPLANETARY MISSION
    (Preprint) AAS 18-416 PRELIMINARY INTERPLANETARY MISSION DESIGN AND NAVIGATION FOR THE DRAGONFLY NEW FRONTIERS MISSION CONCEPT Christopher J. Scott,∗ Martin T. Ozimek,∗ Douglas S. Adams,y Ralph D. Lorenz,z Shyam Bhaskaran,x Rodica Ionasescu,{ Mark Jesick,{ and Frank E. Laipert{ Dragonfly is one of two mission concepts selected in December 2017 to advance into Phase A of NASA’s New Frontiers competition. Dragonfly would address the Ocean Worlds mis- sion theme by investigating Titan’s habitability and prebiotic chemistry and searching for evidence of chemical biosignatures of past (or extant) life. A rotorcraft lander, Dragonfly would capitalize on Titan’s dense atmosphere to enable mobility and sample materials from a variety of geologic settings. This paper describes Dragonfly’s baseline mission design giv- ing a complete picture of the inherent tradespace and outlines the design process from launch to atmospheric entry. INTRODUCTION Hosting the moons Titan and Enceladus, the Saturnian system contains at least two unique destinations that have been classified as ocean worlds. Titan, the second largest moon in the solar system behind Ganymede and the only planetary satellite with a significant atmosphere, is larger than the planet Mercury at 5,150 km (3,200 miles) in diameter. Its atmosphere, approximately 10 times the column mass of Earth’s, is composed of 95% nitrogen, 5% methane, 0.1% hydrogen along with trace amounts of organics.1 Titan’s atmosphere may resemble that of the Earth before biological processes began modifying its composition. Similar to the hydrological cycle on Earth, Titan’s methane evaporates into clouds, rains, and flows over the surface to fill lakes and seas, and subsequently evaporates back into the atmosphere.
    [Show full text]
  • NEWSLETTER Comets: Visitors from The
    P LANETARY S CIENCE I NSTITUTE NEWSLETTER SPRING 2006 Vol. 7, No. 1 Comets: Visitors from the Early Solar System by Beatrice Mueller This is a great time to be a cometary scientist. We have had three successful spacecraft encounters in the past few years: Deep Space 1 flew by comet 19P/Borrelly in September 2001; Stardust flew through the dust coma of comet 81P/Wild 2 col- lecting samples in January, 2004, and delivering them success- fully to Earth in January, 2006; and, most recently, Deep Impact (the mission, not the movie) hit comet 9P/Tempel 1 in July, 2005. We have also had two “naked-eye” comets in the middle of the nineties: comets Hale-Bopp and Hyakutake, both discov- ered by amateurs. Although I am not on the science teams of these spacecraft mis- sions, I was, and still am, involved with ground-based support observations doing additional scientific research. Only a few specific, but important, science questions can be answered at the time of the actual short-lived spacecraft flybys and much impor- tant research is accomplished long after these exciting events. I am working currently on the rotation state of comet 10P/ Tempel 2. Ignacio Ferrin and I (Mueller & Ferrin 1996, Icarus) observed this comet in 1994 and compared the derived rotation period with a previous pass and found a small change in the rota- Raw CCD R-filter image of the main component of comet tion period. Numerical simulations by Nalin Samarasinha (PSI & 73P/Schwassmann-Wachmann 3 (small white object). Note the National Optical Astronomy Observatory [NOAO]) show the extension and fuzziness of the comet and the narrow tail.
    [Show full text]
  • The Science Case for a Titan Flagship-Class Orbiter with Probes (White Paper for the NRC Decadal Survey for Planetary Science and Astrobiology) Conor A
    The Science Case for a Titan Flagship-class Orbiter with Probes (White paper for the NRC Decadal Survey for Planetary Science and Astrobiology) Conor A. Nixon, James Abshire, Andrew Ashton, Jason W. Barnes, Nathalie Carrasco, Mathieu Choukroun, Athena Coustenis, Louis-Alexandre Couston, Niklas Edberg, Alexander Gagnon, et al. To cite this version: Conor A. Nixon, James Abshire, Andrew Ashton, Jason W. Barnes, Nathalie Carrasco, et al.. The Science Case for a Titan Flagship-class Orbiter with Probes (White paper for the NRC Decadal Survey for Planetary Science and Astrobiology). 2020. hal-03085250 HAL Id: hal-03085250 https://hal.archives-ouvertes.fr/hal-03085250 Preprint submitted on 21 Dec 2020 HAL is a multi-disciplinary open access L’archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destinée au dépôt et à la diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publiés ou non, lished or not. The documents may come from émanant des établissements d’enseignement et de teaching and research institutions in France or recherche français ou étrangers, des laboratoires abroad, or from public or private research centers. publics ou privés. The Science Case for a Titan Flagship-class Orbiter with Probes Authors: Conor A. Nixon, NASA Goddard Space Flight Center, USA Planetary Systems Laboratory, 8800 Greenbelt Road, Greenbelt, MD 20771 (301) 286-6757 [email protected] James Abshire, University oF Maryland, USA Andrew Ashton, Woods Hole Oceanographic Institution, USA Jason W. Barnes, University oF Idaho, USA Nathalie Carrasco, Université Paris-Saclay, France, Mathieu Choukroun, Jet Propulsion Laboratory, Caltech, USA Athena Coustenis, Paris Observatory, CNRS, PSL, France Louis-Alexandre Couston, British Antarctic Survey, UK Niklas Edberg, Swedish Institute oF Space Physics, Sweden Alexander Gagnon, University oF Washington, USA Jason D.
    [Show full text]
  • The Civilian Conservation Corps and the National Park Service, 1933-1942: an Administrative History. INSTITUTION National Park Service (Dept
    DOCUMENT RESUME ED 266 012 SE 046 389 AUTHOR Paige, John C. TITLE The Civilian Conservation Corps and the National Park Service, 1933-1942: An Administrative History. INSTITUTION National Park Service (Dept. of Interior), Washington, D.C. REPORT NO NPS-D-189 PUB DATE 85 NOTE 293p.; Photographs may not reproduce well. PUB TYPE Reports - Descriptive (141) -- Historical Materials (060) EDRS PRICE MF01/PC12 Plus Postage. DESCRIPTORS *Conservation (Environment); Employment Programs; *Environmental Education; *Federal Programs; Forestry; Natural Resources; Parks; *Physical Environment; *Resident Camp Programs; Soil Conservation IDENTIFIERS *Civilian Conservation Corps; Environmental Management; *National Park Service ABSTRACT The Civilian Conservation Corps (CCC) has been credited as one of Franklin D. Roosevelt's most successful effortsto conserve both the natural and human resources of the nation. This publication provides a review of the program and its impacton resource conservation, environmental management, and education. Chapters give accounts of: (1) the history of the CCC (tracing its origins, establishment, and termination); (2) the National Park Service role (explaining national and state parkprograms and co-operative planning elements); (3) National Park Servicecamps (describing programs and personnel training and education); (4) contributions of the CCC (identifying the major benefits ofthe program in the areas of resource conservation, park and recreational development, and natural and archaeological history finds); and (5) overall
    [Show full text]