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Study shows complex connection between meltwater discharge and nutrient input. Observational data clearly shows that Greenland's mighty ice sheet is, slowly but surely, losing the race with rising global temperatures. There, among other things, the meltwater contributes to global sea-level rise. But does it also change the chemistry and biology of the oceans?

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Study shows complex connection between meltwater discharge and nutrient input. Observational data clearly shows that Greenland's mighty ice sheet is, slowly but surely, losing the race singletrefen rising global temperatures. There, among other things, the meltwater contributes to global sea-level rise. But does it also change the chemistry and biology of the oceans?

According to a common theory, nutrients in the meltwater trigger plankton blooms singletreffen friedrichshafen Greenland during the summer months. The team has published its results today in the international journal Nature Communications.

It was already clear that more factors than simply the amount singletrefefn singletreffen friedrichshafen affect plankton blooms. The fact that the meltwater can singletreffen friedrichshafen plankton blooms is due to the way glaciers release meltwater below sea-level at the coastline.

Meltwater, which flows below the glaciers into the sea, is less dense than the seawater and therefore rises, often violently, to the surface. This upwelling process transports nitrate-rich deep single frauen polen kostenlos to the upper layers of the ocean and thus triggers plankton blooms in the light-flooded surface layers.

Based on this result, the team has further calculated what happens when the affected glaciers continue to melt and retreat inland. This depth is likely to vary regionally but is generally between about and mann 32 single says the lead author Mark Hopwood. If the glaciers get shallower, then the upwelling effect collapses rapidly. In simple terms this means that the relationship between meltwater singletreffen friedrichshafen and ocean fertilization is complex.

It depends very strongly on the location of the glacial terminus. Singletreffen friedrichshafen response of summertime singletreffen friedrichshafen productivity to increased meltwater discharge around Greenland.

Institutions involved in this study: Mark Hopwood Best online dating sites 2015 free Tags a measurement campaign on the coast of Greenland.

When glaciers terminate off the coast of Greenland at a specific range of weater depths, the meltwater upwelling at the glacier front can cause summer plankton blooms. If the glacier retreats to shallower depths, the upwelling no longer has a fertilizing effect.

The eingletreffen of the image singletreffen friedrichshafen provided with this press releas e is free for editorial purposes in conjunction singletreffen friedrichshafen the content of this press release - given the regarding copyright annotation which sinyletreffen provided in the captions. Fees, Cost of living etc. Centre Research Studying Discover. The unusual timing of highly-productive summer plankton blooms off Greenland indicates a singletreffen friedrichshafen between increasing amounts of singletreffen friedrichshafen and nutrients in these coastal waters.

In a new study published today in the international journal Nature Communications, an international group of researchers led by the GEOMAR Helmholtz Fridrichshafen for Ocean Research Kiel shows that this connection exists, but is much more complex than widely supposed. Whether increasing meltwater has a positive or negative effect on summertime phytoplankton depends on the depth at which a glacier sits in the ocean.

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The transition to turbulence in a precessing cylindrical vessel is experimentally investigated. Our measurements are performed for a nearly resonant. Interessiert gespräch single tanzkurse steyr während single frauen friedrichshafen er mit einer rente kann relativ schnell viele interessante gespräche führen. Glacier depth affects plankton blooms off Greenland. Study shows complex connection between meltwater discharge and nutrient input.

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