Compass Rose Globe Map Scale

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Compass Rose Map Title The map title tells what the map is about/showing. A compass rose is used to show directions on a map. Map Key Cardinal Directions are the four The map key main directions on a compass rose: explains the North, South, East, West. symbols found Intermediate directions are the four on a map. directions that are in-between the cardinal directions: northeast, northwest, southeast, south west. Map Scale A map scale shows the distance between two places on a map. 0 100 miles 0 100 km Globe Scale A globe is model of the ½ inch = 50 miles Earth that is shaped like 1 inch = 100 miles a ball. A globe shows the seven continents 1 ½ inches = 150 miles and the oceans. 2 inches = 200 miles Major Rivers & Mountains in USA Mountains Rivers There are two major mountain There are six major rivers in the ranges in the United States. United States 1. Rocky Mountains 1. Mississippi River - West Coast; Younger 2. Ohio River - Tall & Pointy 3. Hudson River 2. Appalachian Mountains 4. Colorado River - East Coast: Older 5. Rio Grande River 6. St. Lawrence River - Round & Covered in trees Map Grid • A map grid helps you locate •Sometimes you may be asked to places on a maps. identify in what direction an item is located from another. •A grid uses lines to make rows and columns on a map. •The rows are labeled with letters and the columns are •Sometimes you will be asked to labeled with numbers. tell what grid box a certain item is located in. •To find a location on the map you find the row and then the column. Ex.) Locate the parking Area. Ex.) In what direction is the Answer: C6 boy from the tent? Answer: Northeast Latitude and Longitude Lines of latitude run from east to west across the Earth. They measure north or south. The equator is at 0 degrees latitude Lines of longitude run from north to south across the Earth. They measure east or west. The prime meridian is at 0 degrees longitude. To find a location using latitude and longitude, you look at the lines of latitude first, and then the lines of longitude and record the degrees where the object intersects. Ex.) (10 0 N, 5 0 W) .

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Acnmanual.Pdf
Advanced Coastal Navigation Coast Guard Auxiliary Association Inc. Washington, D. C. First Edition..........................................................................1987 Second Edition .....................................................................1990 Third Edition ........................................................................1999 Fourth Edition.......................................................................2002 ii iii iv v vi Advanced Coastal Navigation TABLE OF CONTENTS Introduction...................................................................................................ix Chapter 1 INTRODUCTION TO COASTAL NAVIGATION . .1-1 Chapter 2 THE MARINE MAGNETIC COMPASS . .2-1 Chapter 3 THE NAUTICAL CHART . .3-1 Chapter 4 THE NAVIGATOR’S TOOLS & INSTRUMENTS . .4-1 Chapter 5 DEAD RECKONING . .5-1 Chapter 6 PILOTING . .6-1 Chapter 7 CURRENT SAILING . .7-1 Chapter 8 TIDES AND TIDAL CURRENTS . .8-1 Chapter 9 RADIONAVIGATION . .9-1 Chapter 10 NAVIGATION REFERENCE PUBLICATIONS . .10-1 Chapter 11 FUEL AND VOYAGE PLANNING . .11-1 Chapter 12 REFLECTIONS . .12-1 Appendix A GLOSSARY . .A-1 INDEX . .Index-1 vii Advanced Coastal Navigation viii intRodUction WELCOME ABOARD! Welcome to the exciting world of completed the course. But it does marine navigation! This is the fourth require a professional atti tude, care- edition of the text Advanced Coastal ful attention to classroom presenta- Navigation (ACN), designed to be tions, and diligence in working out used in con cert with the 1210-Tr sample problems. chart in the Public Education (PE) The ACN course has been course of the same name taught by designed to utilize the 1210-Tr nau - the United States Coast Guard tical chart. It is suggested that this Auxiliary (USCGAUX). Portions of chart be readily at hand so that you this text are also used for the Basic can follow along as you read the Coastal Navigation (BCN) PE text. We recognize that students course.
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Recent North Magnetic Pole Acceleration Towards Siberia Caused by flux Lobe Elongation
Recent north magnetic pole acceleration towards Siberia caused by flux lobe elongation Philip W. Livermore,1∗, Christopher C. Finlay 2, Matthew Bayliff 1 1School of Earth and Environment, University of Leeds, Leeds, LS2 9JT, UK, 2DTU Space, Technical University of Denmark, 2800 Kgs. Lyngby, Copenhagen, Denmark ∗To whom correspondence should be addressed; E-mail: [email protected]. Abstract The wandering of Earth’s north magnetic pole, the location where the magnetic field points vertically downwards, has long been a topic of scien- tific fascination. Since the first in-situ measurements in 1831 of its location in the Canadian arctic, the pole has drifted inexorably towards Siberia, ac- celerating between 1990 and 2005 from its historic speed of 0-15 km/yr to its present speed of 50-60 km/yr. In late October 2017 the north magnetic pole crossed the international date line, passing within 390 km of the geo- graphic pole, and is now moving southwards. Here we show that over the last two decades the position of the north magnetic pole has been largely determined by two large-scale lobes of negative magnetic flux on the core- mantle-boundary under Canada and Siberia. Localised modelling shows that elongation of the Canadian lobe, likely caused by an alteration in the pattern of core-flow between 1970 and 1999, significantly weakened its signature on Earth’s surface causing the pole to accelerate towards Siberia. A range of simple models that capture this process indicate that over the next decade arXiv:2010.11033v1 [physics.geo-ph] 21 Oct 2020 the north magnetic pole will continue on its current trajectory travelling a further 390-660 km towards Siberia.
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Map and Compass
UE CG 039-089 2018_UE CG 039-089 2018 2018-08-29 9:57 AM Page 56 MAP The north magnetic pole is not the same as the geographic North Pole, also known as AND COMPASS true north, which is the northern end of the axis around which the earth spins. In fact, the north magnetic pole currently lies Background Information approximately 800 mi (1300 km) south of the geographic North Pole, in northern A compass is an instrument that people use Canada. And because the north magnetic to find a direction in relation to the earth as pole migrates at 6.6 mi (10 km) per year, its a whole. The magnetic needle in the location is constantly changing. compass, which is the freely moving needle in the compass that has a red end, points The meridians of longitude on maps and north. More specifically, this needle points globes are based upon the geographic to the north magnetic pole, the northern North Pole rather than the north magnetic end of the earth’s magnetic field, which pole. This means that magnetic north, the can be imagined as lines of magnetism that direction that a compass indicates as north, leave the south magnetic pole, flow north is not the same direction as maps indicate around the earth, and then enter the north for north. Magnetic declination, the magnetic pole. difference in the angle between magnetic north and true north must, therefore, be Any magnetized object, an object with two taken into account when navigating with a oppositely charged ends, such as a magnet map and a compass.
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Mistral and Tramontane Wind Speed and Wind Direction Patterns In
Mistral and Tramontane wind speed and wind direction patterns in regional climate simulations Anika Obermann, Sophie Bastin, Sophie Belamari, Dario Conte, Miguel Angel Gaertner, Laurent Li, Bodo Ahrens To cite this version: Anika Obermann, Sophie Bastin, Sophie Belamari, Dario Conte, Miguel Angel Gaertner, et al.. Mistral and Tramontane wind speed and wind direction patterns in regional climate simulations. Climate Dynamics, Springer Verlag, 2018, 51 (3), pp.1059-1076. 10.1007/s00382-016-3053-3. hal-01289330 HAL Id: hal-01289330 https://hal.sorbonne-universite.fr/hal-01289330 Submitted on 16 Mar 2016 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. Distributed under a Creative Commons Attribution| 4.0 International License Clim Dyn DOI 10.1007/s00382-016-3053-3 Mistral and Tramontane wind speed and wind direction patterns in regional climate simulations Anika Obermann1 · Sophie Bastin2 · Sophie Belamari3 · Dario Conte4 · Miguel Angel Gaertner5 · Laurent Li6 · Bodo Ahrens1 Received: 1 September 2015 / Accepted: 18 February 2016 © The Author(s) 2016. This article is published with open access at Springerlink.com Abstract The Mistral and Tramontane are important disentangle the results from large-scale error sources in wind phenomena that occur over southern France and the Mistral and Tramontane simulations, only days with well northwestern Mediterranean Sea.
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Direction In
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The Names of Wind -Summer 2009
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Barry Lawrence Ruderman Antique Maps Inc
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Regional Fact Sheet – North and Central America
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Barry Lawrence Ruderman Antique Maps Inc
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