Reference Terms
from Wikipedia, the free encyclopedia
Topographic map
Topographic maps, also called contour maps, topo maps or topo quads, are maps that show topography, or land contours, by means of contour lines.
Note: The above text is excerpted from the Wikipedia article "Topographic map", which has been released under the GNU Free Documentation License.
Related Stories
1
2
Earth & Climate News
February 20, 2025
Feb. 17, 2025 — Animals are not just inhabitants of the natural world -- they are its architects. A new study has revealed how hundreds of species shape the landscapes we depend on, from vast termite mounds visible ...
Feb. 19, 2025 — Scientists have discovered how to turn common minerals into materials that spontaneously remove and store carbon dioxide from the atmosphere. In the lab, the materials pull CO2 from the air thousands of times faster than occurs with natural rock ...
Feb. 19, 2025 — Researchers present a global assessment of ice loss since the beginning of the millennium. In a global comparison, the glaciers in the Alps and Pyrenees are melting the ...
Feb. 11, 2025 — New research reports, for the first time, the widespread occurrence of biofluorescence in birds-of-paradise. The study, based on specimens collected since the 1800s, finds biofluorescence in 37 of the 45 known birds-of-paradise species and suggests ...
Latest Headlines
updated 12:56 pm ET
Feb. 20, 2025 — Researchers have succeeded in establishing a method for producing recycled liquid fertilizer that contains high concentrations of ...
Feb. 20, 2025 — Highly valued economically, ecologically and culturally, the white oak (Quercus alba) is a keystone forest species and is one of the most abundant trees across much of eastern North America. It also ...
Feb. 20, 2025 — Scientists know that natural disasters have negative health effects on survivors, but long-term observations are lacking. To help fill this gap, a ...
Feb. 20, 2025 — The whitefin swellshark has been assessed by the International Union for Conservation of Nature (IUCN) as Critically Endangered for a number of years ...
Feb. 20, 2025 — New research shows that turtles are responding to climate change by nesting ...
Feb. 19, 2025 — Humanity can farm more food from the seas to help feed the planet while shrinking mariculture's negative impacts on biodiversity, according to new ...
Feb. 19, 2025 — An improvement in freshwater biodiversity in England's rivers was linked to reductions in pollution of zinc and copper, largely due to the decline of coal burning and heavy industry, say researchers. ...
Feb. 19, 2025 — Animal populations from urban areas show significantly higher resilience to stressful environmental conditions. The mussel and crustacean species studied were able to adapt to disturbed environments, ...
Feb. 19, 2025 — A mortar made from recycled plastic and silica aerogel which improves insulation and reduces plastic waste has been ...
Feb. 19, 2025 — In a breakthrough for hydrogen technology, researchers have introduced an innovative electronic fine-tuning approach that enhances the interaction ...