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.
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Earth & Climate News
April 18, 2024
Apr. 17, 2024 — Even if CO2 emissions were to be drastically cut down starting today, the world economy is already committed to an income reduction of 19% until 2050 due to climate change, a new study finds. These ...
Apr. 12, 2024 — Chimpanzees and bonobos are often thought to reflect two different sides of human nature -- the conflict-ready chimpanzee versus the peaceful bonobo -- but a new study shows that, within their own communities, male bonobos are more frequently ...
Apr. 11, 2024 — Meandering ocean currents play an important role in the melting of Antarctic ice shelves, threatening a significant rise in sea ...
Apr. 9, 2024 — Swimming in schools makes fish surprisingly stealthy underwater, with a group able to sound like a single fish. Engineers working with a high-tech simulation of schooling mackerel offer new insight into why fish swim in schools and promise for the ...
Latest Headlines
updated 12:56 pm ET
Apr. 17, 2024 — Wind power is a source of energy that is both affordable and renewable. However, decision-makers have been reluctant to invest in wind energy due to a perception that wind farms require a lot of land ...
Apr. 17, 2024 — It's not a single pesticide or virus stressing honey bees, and affecting their health, but exposure to a complex web of multiple interacting stressors encountered while at work pollinating crops, ...
Apr. 17, 2024 — A new fabric-based touch sensor used machine learning to control mobile apps, video games and other devices while integrated into ...
Apr. 17, 2024 — Researchers investigated global particulate matter, revealing health risks from trace ...
Apr. 17, 2024 — A detailed reconstruction of climate during the most recent ice age, when a large swath of North America was covered in ice, provides information on ...
Apr. 17, 2024 — Researchers have found that over the last 120 years, the porosity -- or small-scale holes -- in mussel shells along the East Coast of the United States has increased, potentially due to warming ...
Apr. 17, 2024 — Using a pair of sensors made from carbon nanotubes, researchers discovered signals that help plants respond to stresses such as heat, light, or attack from insects or bacteria. Farmers could use ...
Apr. 17, 2024 — Researchers who captured footage of dog attacks on endangered mountain tapirs in Colombia are calling for action to protect threatened ...
Apr. 17, 2024 — Competition between species played a major role in the rise and fall of hominins -- and produced a 'bizarre' evolutionary pattern for the Homo ...
Apr. 17, 2024 — During the unusually dry year of 2018, Sweden was hit by numerous forest fires. A research team has investigated how climate change affects recently burnt boreal forests and their ability to absorb ...