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
June 6, 2025
June 3, 2025 — A new study has finally confirmed the theory that the cause of extraordinary global tremors in September -- October 2023 was indeed two mega tsunamis in Greenland that became trapped standing waves. Using a brand-new type of satellite altimetry, the ...
May 29, 2025 — Anthropologists have examined the societal consequences of global glacier loss. This article appears alongside new research that estimates that more than three-quarters of the world's glacier mass could disappear by the end of the century under ...
May 29, 2025 — Spring in the Arctic brings forth a plethora of peeps and downy hatchlings as millions of birds gather to raise their young. The same was true 73 million years ago, according to a new article. The paper documents the earliest-known example of birds ...
May 29, 2025 — A new study finds that if global warming exceeds the Paris Climate Agreement targets, the non-polar glacier mass will diminish significantly. However, if warming is limited to 1.5 degrees Celsius, at least 54 per cent could be preserved -- more than ...
Latest Headlines
updated 12:56 pm ET
June 3, 2025 — Researchers found telehealth visits can improve care for cats with feline ...
June 3, 2025 — New research demonstrates that with collaboration between stakeholders, Australia can fully decarbonize its domestic and energy export economies by ...
June 3, 2025 — To satisfy the seafood needs of billions of people, offering them access to a more biodiverse array of fish creates opportunities to mix-and-match ...
June 3, 2025 — A new study found exposure to specific tiny particles in air pollution during pregnancy are associated with increased risk of various negative birth ...
June 3, 2025 — A new study details processes that keep pollutants aloft despite a drop in ...
June 3, 2025 — Researchers asked patients, some of whom had experienced lower back pain for up to 40 years, if being in nature helped them coped better with their ...
June 3, 2025 — Collapse of the West Antarctic Ice Sheet could be triggered with very little ocean warming above present-day, leading to a devastating four meters of ...
June 3, 2025 — Environmental DNA from the air, captured with simple air filters, can track everything from illegal drugs to the wildlife it was originally designed to ...
June 2, 2025 — Electronics often get thrown away after use because recycling them requires extensive work for little payoff. Researchers have now found a way to change the ...
June 2, 2025 — New research adds to our understanding of how rapidly rising sea levels due to climate change foreshadow the end of the Great Barrier Reef as we know it. The findings suggest the reef can withstand ...