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#mapping

19 Beiträge17 Beteiligte6 Beiträge heute

#AfricanUnion Joins Calls To End Use Of @Mercator Map That Shrinks Continent’s Size
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theguardian.com/world/2025/aug <-- shared media article
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[just a reminder that the Mercator projection was developed in 1569 for use in marine navigation, so as to utilise “rhumb line[s],… a path on the Earth's surface that crosses all meridians of longitude at the same constant angle, allowing for a steady compass bearing to be followed.” (this is most specifically NOT pedantry!)
Glad that the suggested projection to make – rightly – the size of Africa be accurately represented is Equal Earth (equal-earth.com/, 4th figure) - rather than the (1) gross shapes distortion and (2) (erroneous) ‘socially concerned groups’ baggage that has been attached to the Gall-Peters projection]
#GIS #spatial #mapping #Africa #size #truesize #accurate #representation #stereotypes #CorrectTheMap #marine #navigation #campaign #equalearth #projection #shape #mapprojection #education #continent
#AfricaNoFilter #SpeakUpAfrica

NPS: "Interagency Burned Area Emergency Response (BAER) teams from the Department of the Interior (DOI) and US Forest Service recently completed field data evaluations to produce the Soil Burn Severity (SBS) map for the Dragon Bravo Fire. This map field-verifies the accuracy of burn severity categories (unburned/very low, low, moderate, and high) from satellite images and helps estimate post-fire risks, such as erosion, sediment washing into streams, increased stream flows, and the chances of debris flows. ..."

#DragonBravoFire #GrandCanyonNationalPark
#AZwx #wildfires #NPS #BAER #GIS #mapping
nps.gov/grca/learn/news/doi-us

Need A Tech Colouring Book?
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a.co/d/5UuAIPU <-- link to Amazon source
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[note that I am in NO way associated with the publisher or 'author'...]
"This coloring book was assembled using high resolution topography data from the United States Geological Survey’s 3D Elevation Program to create detailed contour maps for each US State and the District of Columbia.
Each State's contour interval (the vertical distance between elevation lines on a map) was selected to preserve the topographic details the State’s inhabitants know and love. Specifically major mountain ranges and river valleys."
#GIS #spatial #mapping #3dep #USGS #elevation #oldschool #coloringbook #colouringbook #contour #contor #relaxation #landform #geology