Latest Laptev Sea Stories
The high cliffs of Eastern Siberia – which mainly consist of permafrost – continue to erode at an ever quickening pace.
ESA’s SMOS mission is proving to be extremely versatile. Not only does this pioneering satellite offer crucial data on soil moisture and ocean salinity, but it can also map the thickness of ice floating in the polar seas.
The increase in temperature in the Arctic has already caused the sea-ice there to melt.
- A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.