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- Reference maps show the reader what is where. They once illustrated qualities that do not change, or that change very slowly, but with GIS they can more often represent changing or fluctuating data points like the flood stages of a river. Political maps display a selection of human-made features such as borders and cities.
101gis.com/reference-map-vs-thematic-map/Reference Map vs. Thematic Map: 18 Map Types to Explore - 101GIS
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What is a reference map?
Oct 5, 2023 · Reference maps encompass general geographic features of the earth, ranging from physical to political features. However, thematic maps focus on a specific interesting feature concerning the distribution of certain elements across the Earth.
Feb 10, 2021 · Reference maps tell us what is there. Thematic maps tell us how it is there. For example, a reference map may show you all the towns and cities in Maryland. But a thematic map may tell us the median incomes of these towns, or the percent of households owning two or more cars.
- General Reference. Think of a regular map, where cities and towns are named, and major transport routes are included along with natural features like lakes and rivers, and you’ll be thinking of a general reference map.
- Topographical. Topographical maps stand out from the other offerings by showing detailed elevation, with contour lines helping to map the landscape. Ordinance Survey maps are arguably the best-known type of topographical maps, but thousands of other mapmakers have created detailed alternatives, and even if you can’t see specific landmarks — lakes or roads, for example — it’s still possible to work out your exact location by following the contours and checking out the landscape around you.
- Thematic. Rather than attempting to map the landscape or help to show you where to go, thematic maps are designed instead to highlight information on specific topics.
- Navigational Charts. Along with general reference and topographical maps, navigational charts are another invaluable tool when it comes to actually getting around, whether you’re at sea or in the air.
Jun 25, 2024 · General maps, including reference maps, serve as a common and practical means of sharing basic geographical information about a country or an area. They provide both a contextualization and an artistic rendering of the geospatial reality.
- John Misachi
- Topographic Map. A topographic map is a type of map that shows large-scale detail and quantitative information of relief by the use of contour lines and various other methods.
- Geologic Map. A geological map is a map that is used to show geological features such as geologic strata and rock units. The location of these features underneath the earth's surface is shown by symbols or colors.
- Political Map. World maps are generally political or physical. A political map is a map that shows the political features of an area, country, or region.
- Physical Map. As the name suggests, physical maps are maps that have been designed to show the physical or natural landscape features of the Earth. The maps are best known to show several geographical features such as soil type, mountains, and land use including infrastructural developments such as roads and buildings.
Sep 6, 2024 · The most common types of maps are political, physical, topographic, climate, economic, and thematic. Simply defined, maps are pictures of the Earth's surface. General reference maps document landforms, national boundaries, bodies of water, city locations, and so on.
Reference maps show the location of geographic boundaries, physical features of Earth, or cultural features such as places, cities, and roads. Political maps, physical maps, road maps, topographic maps, time zone maps, geologic maps, and zip code maps are all examples of reference maps.
