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EPSC2017-260, 2017 European Planetary Science Congress 2017 Eeuropeapn Planetarsy Science Ccongress C Author(S) 2017
EPSC Abstracts Vol. 11, EPSC2017-260, 2017 European Planetary Science Congress 2017 EEuropeaPn PlanetarSy Science CCongress c Author(s) 2017 Formation of recurring slope lineae on Mars by rarefied gas-triggered granular flows F. Schmidt (1), F. Andrieu (1), F. Costard (1), M. Kocifaj (2,3) and A. G. Meresescu (1) (1) GEOPS, Univ. Paris-Sud, CNRS, Université Paris-Saclay, Rue du Belvédère, Bât. 504-509, 91405 Orsay, France (2) ICA, Slovak Academy of Sciences, Dubravska Road 9, 845 03 Bratislava, Slovak Republic (3) Faculty of Mathematics, Physics, and Informatics, Comenius University, Mlynska dolina, 842 48 Bratislava, Slovak Republic (frederic.schmidt@@u-psud.fr) Abstract been excluded near the crater rim [3]. In addition, the actual amount of atmospheric water required to re- Recurring Slope Linae or RSL are seasonal dark charge the RSL's source each year seems not features appearing when the soil reaches its sufficient. The precise thermal calculations using maximum temperature. They appear on various THEMIS measurement instrument show no evidence slopes at the equator of Mars, in orientation of liquid water [6] and there is no direct evidence of depending on the season. Today, liquid water related liquid water from CRISM, but only indirect detection processes have been promoted, such as deliquescence [4]. of salts. Nevertheless external atmospheric source of water is inconsistent with the observations. Internal We propose here a re-interpretation of the RSL source is also very unlikely. We take into features and a new process to explain the RSL consideration here the force occurring when the sun activity without involving any volatiles. -
Active Gullies and Mass Wasting on Equatorial Mars
EPSC Abstracts Vol. 12, EPSC2018-457-1, 2018 European Planetary Science Congress 2018 EEuropeaPn PlanetarSy Science CCongress c Author(s) 2018 Active Gullies and Mass Wasting on Equatorial Mars Alfred S. McEwen (1), Melissa F. Thomas (1), Colin M. Dundas (2) (1) LPL, University of Arizona, Tucson, Arizona, USA, (2) USGS, Flagstaff, Arizona, USA Abstract Previously-reported equatorial topographic changes include slumps on the colluvial fans below active Mid- to high-latitude gully activity has been directly RSL sites in Garni Crater [5] and in Juventae Chasma observed at hundreds of locations on Mars [1]. Here [7]. These slumps all occurred near the coldest time we describe equatorial locations (25 latitude) with of year for these locations, Ls 0-120, which is gully-like or other topographic changes in before- opposite to the seasonality of RSL. and-after images from HiRISE. This activity is concentrated in sulfate-rich sedimentary units, which We are in the process of searching HiKER pairs over places constraints on the age and mechanical steep equatorial slopes, as well as acquiring new properties of these deposits. Hydrated sulfates may HiKER images. From the effort to date we have found that equatorial changes are most common in be the largest equatorial reservoir of H2O on Mars, and their friability makes them more attractive for in- sedimentary layers that may be rich is sulfates situ resource utilization (ISRU). according to mapping by orbital spectrometers [8], and have concentrated our search in these regions. 1. Introduction The most impressive changes we have found are on Mid- to high-latitude gully activity can be explained bright layered mounds in Ganges Chasma. -
FOOTPRINTS in the SNOW the Long History of Arctic Finland
Maria Lähteenmäki FOOTPRINTS IN THE SNOW The Long History of Arctic Finland Prime Minister’s Office Publications 12 / 2017 Prime Minister’s Office Publications 12/2017 Maria Lähteenmäki Footprints in the Snow The Long History of Arctic Finland Info boxes: Sirpa Aalto, Alfred Colpaert, Annette Forsén, Henna Haapala, Hannu Halinen, Kristiina Kalleinen, Irmeli Mustalahti, Päivi Maria Pihlaja, Jukka Tuhkuri, Pasi Tuunainen English translation by Malcolm Hicks Prime Minister’s Office, Helsinki 2017 Prime Minister’s Office ISBN print: 978-952-287-428-3 Cover: Photograph on the visiting card of the explorer Professor Adolf Erik Nordenskiöld. Taken by Carl Lundelius in Stockholm in the 1890s. Courtesy of the National Board of Antiquities. Layout: Publications, Government Administration Department Finland 100’ centenary project (vnk.fi/suomi100) @ Writers and Prime Minister’s Office Helsinki 2017 Description sheet Published by Prime Minister’s Office June 9 2017 Authors Maria Lähteenmäki Title of Footprints in the Snow. The Long History of Arctic Finland publication Series and Prime Minister’s Office Publications publication number 12/2017 ISBN (printed) 978-952-287-428-3 ISSN (printed) 0782-6028 ISBN PDF 978-952-287-429-0 ISSN (PDF) 1799-7828 Website address URN:ISBN:978-952-287-429-0 (URN) Pages 218 Language English Keywords Arctic policy, Northernness, Finland, history Abstract Finland’s geographical location and its history in the north of Europe, mainly between the latitudes 60 and 70 degrees north, give the clearest description of its Arctic status and nature. Viewed from the perspective of several hundred years of history, the Arctic character and Northernness have never been recorded in the development plans or government programmes for the area that later became known as Finland in as much detail as they were in Finland’s Arctic Strategy published in 2010. -
And Leanne Brown Eat Well on $4/Day
EAT WELL ON $4/DAY GOOD AND CHEAP LEANNE BROWN Salad ...............................................42 Broiled Eggplant Salad ....................................43 Kale Salad ..................................................... 44 NEW Ever-Popular Potato Salad ........................46 Introduction ....................5 NEW Spicy Panzanella......................................49 Text, recipes, and most photographs and A Note on $4/Day ...........................................6 Cold (and Spicy?) Asian Noodles .....................50 design by Leanne Brown, in fulfillment My Philosophy ................................................7 Taco Salad ......................................................52 of a final project for a master’s degree in Tips for Eating and Shopping Well ...................8 Beet and Chickpea Salad ................................53 First, I’d like to thank my husband, Food Studies at New York University. Pantry Basics .................................................12 Broccoli Apple Salad .......................................54 Dan. Without him this book would not NEW Charred Summer Salad ............................55 exist. Thank you also to my wonderful This book is distributed under a family and friends, who believed in this Creative Commons Attribution- idea before anyone else. And thank you NonCommercial ShareAlike 4.0 license. Breakfast ..............................14 to everyone who has taken the time to For more information, visit Tomato Scrambled Eggs .................................15 Snacks, -
Modeling Floods in Athabasca Valles, Mars, Using CTX Stereo Topography
Recurring Slope Lineae (RSL) near candidate Mars 2020 landing sites Alfred McEwen, Colin Dundas, Matt Chojnacki, James Wray August 2015 NOTE ADDED BY JPL WEBMASTER: This content has not been approved or adopted by, NASA, JPL, or the California Institute of Technology. This document is being made available for information purposes only, and any views and opinions expressed herein do not necessarily state or reflect those of NASA, JPL, or the California Institute of Technology. • Dark flows on steep, low-albedo slopes, What are RSL? typically associated with bedrock and small gullies. – Few meters wide, hundreds of meters long. – Not found on most steep rocky slopes. • Recur annually at nearly the same location in multiple Mars years. • Grow incrementally over a period of several months, then fade. • Fans have unique spectral properties (Ojha et al. 2013) • RSL in the southern mid-latitudes generally grow from late spring RSL Seasonality through mid-summer. – Concentrated on equator-facing slopes. • RSL in Valles Marineris often follow the sun: growth occurs on south-facing slopes in southern summer and north-facing slopes in northern summer. • RSL in N hemisphere grow mainly in very early spring (Ls 0) • Associated with peak diurnal temperatures usually >250 K. • Strongly suggests that RSL are driven by a volatile. Leading explanation is flow of (salty) liquid water, but source is unknown, and no direct detection of water. Garni crater on floor of Melas Chasm Slumping associated with RSL seen in Garni crater and 2 sites in Juventae Chasm Very Rapid Initial Lengthening Max >20 m/sol Schaefer et al., 2015, LPSC Very early (Ls <194) start of RSL activity in Hale crater • Need to check temperatures, maybe <250 K Acidalia RSL exactly match from year-to-year. -
Report 2017 Research, Education and Public Outreach Activity Report 2017 Research, Education and Public Outreach
Activity Report 2017 Research, Education and Public Outreach Activity Report 2017 Research, Education and Public Outreach Nathalie A. Cabrol Director, Carl Sagan Center, Pamela Harman, Acting Director, Center for Education Rebecca McDonald Director, Center for Outreach Bill Diamond President & CEO The SETI Institute: 189 N Bernardo Avenue Suite 200, Mountain View, CA 94043. Phone: (650) 961-6633 Activity Report 2017 Research, Education and Public Outreach TABLE OF CONTENTS Peer-reviewed publications 10 Conferences: Abstracts & Proceedings 18 Technical Reports & Data Releases 29 Outreach, Media Coverage, Web Stories & Interviews 31 Invited Talks (Professional & Public) 39 Highlights, Significant Events & Activities 46 Fieldwork 52 Honors & Awards 54 Missions, Observations & Strategic Planning 56 Acknowledgements 60 The SETI Institute: 189 N Bernardo Avenue Suite 200, Mountain View, CA 94043. Phone: (650) 961-6633 Activity Report 2017 Research, Education and Public Outreach FROM THE SETI INSTITUTE President and CEO Dear friends, The scientists, educators and outreach professionals of the SETI Institute had yet another banner year of productivity in 2017. We are delighted to present our 2nd annual report, cataloging the research and education programs of the Institute, as well as the myriad of mainstream media stories about our people and our work. Among the highlights from this year’s report are 147 peer-reviewed articles in scientific journals, 225 conference proceedings and abstracts, 172 media stories and interviews, and 177 invited talks. -
Försvarsmaktens Årsredovisning 2006 Huvuddokument
Försvarsmakten Årsredovisning 2006 FOTO: FÖRSVARETS BILDBYRÅ / ANDREAS KARLSSON 107 85 Stockholm. Telefon: 08-788 75 00. Fax: 08-788 77 78. Webbplats: www.mil.se 2007-02-20 23 386: 63006 Försvarsmaktens ÅRSREDOVISNING 2006 Resultatredovisning, resultaträkning, balansräkning, an- slagsredovisning, finansieringsanalys och noter 2007-02-20 23 386: 63006 INNEHÅLLSFÖRTECKNING ÖVERBEFÄLHAVARENS KOMMENTAR.....................................................................................................1 OPERATIV FÖRMÅGA M.M............................................................................................................................ 4 UTGÅNGSPUNKTER FÖR REDOVISNINGEN............................................................................................................ 4 FÖRSVARSMAKTENS OPERATIVA FÖRMÅGA ........................................................................................................ 4 INSATSORGANISATIONEN .................................................................................................................................... 7 RESULTATREDOVISNING .............................................................................................................................. 9 LÄGET I GRUNDORGANISATIONEN....................................................................................................................... 9 UTBILDNING, PLANERING M.M. ......................................................................................................................... 11 MATERIEL, ANLÄGGNINGAR -
Modern Mars' Geomorphological Activity
Title: Modern Mars’ geomorphological activity, driven by wind, frost, and gravity Serina Diniega, Ali Bramson, Bonnie Buratti, Peter Buhler, Devon Burr, Matthew Chojnacki, Susan Conway, Colin Dundas, Candice Hansen, Alfred Mcewen, et al. To cite this version: Serina Diniega, Ali Bramson, Bonnie Buratti, Peter Buhler, Devon Burr, et al.. Title: Modern Mars’ geomorphological activity, driven by wind, frost, and gravity. Geomorphology, Elsevier, 2021, 380, pp.107627. 10.1016/j.geomorph.2021.107627. hal-03186543 HAL Id: hal-03186543 https://hal.archives-ouvertes.fr/hal-03186543 Submitted on 31 Mar 2021 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. 1 Title: Modern Mars’ geomorphological activity, driven by wind, frost, and gravity 2 3 Authors: Serina Diniega1,*, Ali M. Bramson2, Bonnie Buratti1, Peter Buhler3, Devon M. Burr4, 4 Matthew Chojnacki3, Susan J. Conway5, Colin M. Dundas6, Candice J. Hansen3, Alfred S. 5 McEwen7, Mathieu G. A. Lapôtre8, Joseph Levy9, Lauren Mc Keown10, Sylvain Piqueux1, 6 Ganna Portyankina11, Christy Swann12, Timothy N. Titus6, -
Program to Technical Sessions Thirtieth Lunar and Planetary
LUNAR AND PLANETARY SCIENCE CoNFERENCE MARCH 15-19, 1999 HOUSTON, TEXAS SPONSORED BY NATIONAL AERONAUTICS AND SPACE ADMINISTRATION L UNAR AND PLANETARY INSTITUTE NASA JOHNSON SPACE CENTER Program to Technical Sessions THIRTIETH LUNAR AND PLANETARY SCIENCE CONFERENCE March 15-19, 1999 Houston, Texas Sponsored By National Aeronautics and Space Administration Lunar and Planetary Institute NASA Johnson Space Center Program Committee Carl Agee, Co-Chair, NASA Johnson Space Center David Black, Co-Chair, Lunar and Planetary Institute Cone! Alexander, Carnegie Institution of Washington Carlton Allen, Lockheed Martin Donald Bogard, NASA Johnson Space Center Harold Connolly, Jr., California Institute ofTechnology Cassandra Coombs, College of Charleston John Grant, NASA Headquarters Friedrich Horz, NASA Johnson Space Center Michael Kelley, Rensselaer Polytechnic Institute Walter Kiefer, Lunar and Planetary Institute David Kring, University of Arizona Renu Malhotra, Lunar and Planetary Institute Timothy Parker, Jet Propulsion Laboratory Frans Rietmeijer, University of New Mexico Graham Ryder, Lunar and Planetary Institute Susan Sakimoto, NASA Goddard Space Flight Center Paul Spudis, Lunar and Planetary Institute Meenakshi Wadhwa, Field Museum of Natural History, Chicago LPI ROOM C 145 FIRST FLOOR Robert R. Gilruth Recreation Facility Building 207 ROOM B ,.. SECOND FLOOR Robert R. Gilruth Recreation Facility Building 207 CONFERENCE INFORMATION Registration-LPI Open House A combination Registration/Open House will be held Sunday, March 14, 1999, from 5:00p.m. until 8:00p.m. at the Lunar and Planetary Institute. Registration will continue in the Gilruth Center, Monday through Thursday, 8:00a.m. to 5:00p.m. A shuttle bus will be available to transport participants between the LPI and local hotels Sunday evening from 4:45 p.m. -
Hydrologia Suomessa Ennen Teollista Vallankumousta
VESIHALLITUS—NATIONAL BOARD OF WATERS, FINLAND Tiedotus Report JUHA KAJANDER HYDROLOGIA SUOMESSA ENNEN TEOLLISTA VALLANKUMOUSTA English summary: Hydrology in Finland before the industrial revolution HELSINKI 1986 Tekijä on vastuussa julkaisun sisällöstä, eikä siihen voida vedota vesihallituksen virallisena kannanottona, VESIHALLITUKSEN TIEDOTUKSIA koskevat tilaukset: Valtion painatuskeskus PL 516, 00101 Helsinki, puh. (90)539 011 /julkaisutilaukset 5 EN 951-46-9457-0 ISSN 0355-0745 —3— 51 SLLYSLUETTELO AIJCUSANA’T .e.a,,,,,ee eOe,O,eO, ,,e,,e,,,,O,,0008000OOOOØ 1 JOjJJANI’O . , , , , . , , , . , , , . , , , , , , » e q . » a 7 2 , RRAI TA Pr,RtJKYXIiYKSIA » , , , , , , , . » , . , . , » » » , , , , . » . , 10 3, KANSÄINVALI1ATAUSTA.A ,,.,,,..,..,.,.,..,e.,,,,»,., 20 3.1 emipiuvia1ismi ..,..,,.,..,,,,,.,,,».,.,.,,,.. 20 3.2 Piuvialistinen vallankumous ,»,,,,..,,,..,..,,. 29 [, ESIPLUVTALISTINEN AIKA — IWDROLOGIA SUOMESSA 1 600—1720 ,..,,a,,00000000,e»»oo00000e0000»000OeøOøs 32 L1, 1 Hydrologia ennen Turun Akatemiaa. Sigfrid Aronus Forsius . » , . , . , . , » . » . » . » » 32 Li,2 Hydrologia Turun Akatemiassa 16t0•172O ,,..,. 37 5. PLUVIi\LISTISESTA VALLANKUMOUKSESTA TEOLLIS%EN VAL— LÄtT’IOUKSESN — HYDUOLOGIÄ SUOMESSA 1720—1360 5.1 Akateemisen vesistötutkimuksen yleispiirteitä 13 5.2 Siirtyminenpiuvialismiin .».... 51 5.3 Veden fysikaaliset ominaisuudet. Hydrostatiikka 60 5,L1 Vedenväheneminen ja maankohoaminen . ,,.. 67 5.5 Hydrometeorologia ja klimatologia ....,,...,... 72 5.6 2intavesihydrologia ....«« ».87 5.7 Geohydrologia 000000O -
Buscando a Vida Fora Da Terra: Marte
AGA 0316 Buscando a vida fora da Terra: Marte Why Mars is important for Astrobiology? • Relative proximity – first planet where we can realistically test in loco for biological potential and life • Mars is in many ways similar to Earth. Rocky, terrestrial planet in the inner part of the Solar system with an atmosphere. Yet it is also very different. • Therefore if life is found there it would be a very strong argument in favor of life being an ubiquitous phenomenum in the galaxy History of Martian “Civilization” • In 1784 William Herschel (famous for the discovery of Uranus) claimed that Mars has an atmosphere and is therefore probably inhabited. • Giovanni Schiaparelli claimed to see a network of 79 linear channels (canali) in 1877 • Percival Lowell opened Lowell Observatory in Flagstaff, Arizona in 1894. (claimed to see 200 canals) • Lowell suggested that canals were built by an ancient martian civilization. Giovanni Schiaparelli William Herschel Percival Lowell • In 1965 “Mariner 4” spacecraft send a few dozen good pictures of the Martian surface – no evidence for intelligent life. Mars is in fact a cold and dry planet! 6 7 9 1960’s 1970’s 1990’s 2000’s Pathfinder & Sojourner Spirit + Opportunity Mars Fact Sheet Parameter Value Units Diameter 6787 km Average Distance From the Sun 1.524 AU EARTH’S Atm Average Temperature 210 K (-81 F) CO2 0.04% 3 Mean Density 3.94 g/cm N2 78,1% Rotational Period 24.6229 hours Ar 0.93% Mean Atmospheric Pressure 0.007 bars H2O 0 – 4 % Surface Gravity 3.63 m/s2 Tilt of Axis 25.2 degrees Orbit period 687 days Atmospheric Components Element Symbol Percentage Carbon Dioxide CO2 95.32 Nitrogen N2 2.7 Argon Ar 1.6 Water H2O 0.03 Earth-Mars Similarities • Position in the Solar system – Martian orbit is 1.5 A.U.; Earth’s is 1 A.U. -
TAMPEREEN YLIOPISTO Kaisa Saarenmaa Turun Akatemia
TAMPEREEN YLIOPISTO Kaisa Saarenmaa Turun akatemia innovaatiokeskuksena 1700-luvulla – Porthanin aika verkostotutkimuksen valossa Historian pro gradu tutkielma Tampere 2007 Tampereen yliopisto Historiatieteen laitos KAISA SAARENMAA: Turun akatemia innovaatiokeskuksena 1700-luvulla – Porthanin aika verkostotutkimuksen valossa Sivuaineen tutkielma, 71 s., 2 liites. Suomen historia Marraskuu 2007 Henrik Gabriel Porthan (1739–1804) oli uushumanisti oppinut, joka toimi Turun akatemiassa kirjastonhoitajana ja kaunopuheisuuden professorina. Porthanilla oli lisäksi merkittävä rooli suomalaisen kansalaisyhteiskunnan synnyssä. Hän vaikutti Aurora-seurassa ja Suomen Talousseurassa sekä toimitti Suomen ensimmäistä aikakauslehteä. Porthan nostettiin myöhemmin suurmiesasemaan ja 1700-luvun loppua kutsutaan hänen mukaansa ”Porthanin ajaksi”. Käsillä olevassa tutkielmassa luodaan uudenlainen tulkinta Porthanin ja tämän lähipiirin ajatusmaailmasta ja toiminnasta. 1700-luvun loppu piirtyy innovatiivisena aikakautena Suomen historiassa. Tuona aikana luovuuden perusedellytyksiä – viihtyisää ympäristöä puistoineen ja kahviloineen, dynaamista taloutta, toimivaa infrastruktuuria ja kansainvälisiä yhteyksiä – ryhdyttiin edistämään. Uuden asenteen syntyyn vaikutti paitsi yleinen edistysusko ja hyötyajattelu myös lisääntyneen kaupankäynnin tuoma vauraus ja kansainvälistyminen. Tutkielmassa muodostetaan Porthanin piiristä synteesi, joka rakentuu paitsi aikalaiskuvauksista ja henkilöhistorioista myös 1990- ja 2000-luvun kaupunki- ja verkostotutkimuksen lähtökohdista.