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Day: December 13, 2024

Ocean acidification is a deeper crisis than we first thought – Oceonographic

Effects of ocean acidification on this pteropod include ragged, dissolving shell ridges on upper surface, a cloudy shell in lower right, and severe abrasions and weak spots on on its lower whorl (courtesy of NOAA Photo Library CC BY 2.0 via Flickr).

Once thought to be the concerns of surface level layers of the ocean, headlines over the past week indicate that ocean acidification is now sinking into marine regions as deep as 1,500 metres – posing new threats to the marine life…

Coastlines Around the World Are Losing Sediment – EOS

Just to the northeast of this image, the Yukon River empties into the Bering Sea and brings a large quantity of suspended sediment with it (courtesy of NASA - image was collected on June 13, 2018 by Landsat 8).

A new tool maps coastal sediments on the basis of water color. It shows that 75% of the world’s coastlines may be losing suspended sediment.

Vietnam ex-official took US$300,000 bribe to allow illicit sand mining – The Star

"Dredge spoils" A boat rides low in the water hauling dredged dirt from the Mekong river delta in Vietnam (by program monkey CC BY-NC-ND 2.0 via Flickr).

Police have recommended Nguyen Thanh Binh, the former chairman of the people’s committee in An Giang province in the Mekong river delta, be charged with power abuse, according to Public Security News, the official mouthpiece of the Ministry of Public Security. The area is a hotspot for sand mining…

A Few Surprises in Alaska’s Marine Environment in 2024 – NOAA

Gulf of Alaska, April 12, 2017 (courtesy NASA Goddard Space Flight Center from Greenbelt, MD, USA, Public domain, via Wikimedia).

NOAA Fisheries releases their annual Ecosystem Status Reports including a new report card for the northern Bering Sea which shares some promising news about sea ice conditions…

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