GIS Lounge | Archive for Maps

Analysis Finds Three Times More Farmers’ Markets in Areas with the Lowest Obesity Rates (12)

1/28/12 •

An independent analysis conducted by mapping analytics firm PetersonGIS shows that locations with the highest obesity rates contain the fewest farmers’ markets. To produce the analysis, March 2011 data from the US Department of Agriculture (USDA) on market locations throughout the United States were mapped and correlated with county-aggregated obesity statistics* from the Center for Disease Control ... read more

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Where to Look for Historical Maps (0)

1/28/12 •

The use of extracting data from old paper maps is growing in popularity as a method to understanding historical geography. David Ramsey popularized the method of georectifying historical maps and draping those maps over a DEM to create a 3D view. Pastmapper is a project that digitizes historical maps in order to recreate the state ... read more

New Plant Hardiness Zone Map (0)

1/25/12 •

The U.S. Department of Agriculture has released a new Plant Hardiness Zone Map (PHZM). The map is the first updated in over twenty years and incorporates greater accuracy and detail since the last map from 1990. The new map was developed by the USDA’s Agricultural Research Service (ARS) and Oregon State University’s (OSU) PRISM Climate Group and is available ... read more

Essential Geography of the United States Mapped (0)

1/06/12 •

Dave Imus is a well known cartographer who has specialized in highly detailed, hand annotated maps covering the United States. he found his cartography company Imus Geographics in 1983 and is based out of Oregon. The Cartography and Geographic Information Society (CaGIS) awarded his The Essential Geography of the United States of America map the “Best of ... read more

World Map as Seen Through a Drop of Water (0)

1/04/12 •

Markus Reugels is a German photographer who specializes in capturing the art of water droplets. The resulting images are so fantastic one might think that Photoshop or some other image manipulation software had a hand in creating them. The home page of Reugels’ site notes that the images are not manipulated and only noise around ... read more

Global Manhattan Grid System (0)

12/04/11 •

The Commissioners’ Plan of 1811 set into motion the grid system of streets between 14th Street and Washington Heights in the Manhattan borough of New York City. The NY Times has an overlay that allows viewers to compare a georeferenced John Randel map from 1811 to the modern street layout of Manhattan. The NY Times posted an ... read more