词汇 | upwelling |
释义 | BETA Examples of upwellingupwelling isn’t in the Cambridge Dictionary yet. You can help! The upwelling : downwelling ratio at this level is termed the ground reflectance. Another reason to develop higher cone packing in the dorsal retina would be to compensate for the lower upwelling irradiance. This is a location rich in wild life because there is upwelling of nutrient rich water immediately at the glacier front. It presumably absorbed heat from the hot upwelling fluid around it by thermal conduction. The extension of lithosphere accompanied with the upwelling of asthenosphere may be the key factor for the coeval magmas with different sources. The geographical extent of this biotope varied, dependent upon the efficiency of local upwelling conditions to provide nutrients for phytoplankton. But the upwelling, with all it means to krill productivity and dependent communities, could be significantly disrupted. Upwelling occurs in the northern gyre and downwelling in the southern gyre. Clearly more realistic models must take account of the temperature changes brought about by the upwelling. We also estimated t he vertical distribution of light upwelling f ollowing reflection f rom t he ground. In the wet season ground reflectance was low and the canopy was nearly opaque, permitting little upwelling light to emerge (0-3% overall). We therefore favour the model whereby the eclogitic lower crust, together with the underlying lithospheric mantle, was delaminated, accompanied by asthenosphere upwelling. It is shown that a strong current may exist in the eastern boundary layer when upwelling or downwelling is present. The break-off and detachment of the subducted oceanic slab and the accompanied upwelling of the deep asthenospheric mantle might lead to post-orogenic lithospheric extension. We assumed t he probability o f light capture for each canopy layer was the same for upwelling and downwelling streams. This upwelling brings nutrients that support the base of the food chain. Upwelling introduced isotopically light carbon to the surface, ar resting the stratified oceanic conditions. Thus, for example, the earth's oceans are cooled most strongly a t high latitudes, and it is there that most of the bottom water is formed, with weak upwelling elsewhere. |
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