current density example

%PDF-1.4 %�� 0000005146 00000 n 0000020818 00000 n x�b```f``ia`c`��`�g@ ~�G��=%1��A(A��e��eɽˣ0 �s��E��"Eܼ��^��a�4��9��N��)�hZ-m��:�VDe�s��·�f�o��31KA��Q��4�s��z��.K�I��N�I�"�6� �R�s��S`��+�� ÿ��b��|u��SPdRH�+�a�ɍ��N��C�;:��BJJJ�q0O�ؼ z��BC�*�" ��@5P�`3�\��10��i 6kUbd�h0c`u�Y��A��(\�`z@�AL�ه��]��x��. This phenomenon has been observed in water originating on the continental slope of the Weddell Sea, and this water forms the Antarctic Bottom Water (AABW). Current density. 0000005391 00000 n In this scenario, the current spreads horizontally at an intermediate depth. Such subaqueous currents occur because some of the water in an ocean or lake is colder or saltier or contains more suspended sediment and, thus, is denser than the surrounding waters. This tutorial is a continuation of the first lesson on chromosomal mutation. 56 0 obj<>stream Furthermore, in marginal seas where evaporation overcomes the input of fresh water from river runoff and precipitation—such as in the Mediterranean Sea and the Red Sea—warm salty water collects near the bottom of the basin. 0000002942 00000 n Play. Density current, any current in either a liquid or a gas that is kept in motion by the force of gravity acting on differences in density. As a consequence, it sinks and flows along the bottom under the effect of gravity. Turbidity currents have been investigated in the laboratory and have been observed directly in lakes and ocean basins. On the steeper part of the slope, the density current reaches its maximum velocity of 1.2 metres (about 4 feet) per second. How to Calculate Density - Worked Example Problem Finding the Ratio Between Mass and Volume. 0000006061 00000 n After entering the Atlantic Ocean, the dense Mediterranean overflow current descends along the continental slope. This means that for every chromosome in the body, there is another one to match it. It is not intended to provide medical, legal, or any other professional advice. Find out how genetics, physical injury, lack of .. For human species to obviate extinction, reproductive mature adults should be producing viable offspring in order to con.. 0000030836 00000 n Before using our website, please read our Privacy Policy. Dense Mediterranean water moves westward into the North Atlantic through the bottom 100 metres (about 300 feet) of the Strait of Gibraltar, while North Atlantic water flows eastward through the upper part of the strait into the Mediterranean Sea. 0000005806 00000 n For example, the deposition of sediment from turbidity currents—i.e., density currents in which the density difference is caused by suspended sediment—in lakes may result in a rapid decrease of reservoir capacity. Initially, the vertical descent of the slope is 4 metres for every horizontal kilometre (21 feet per mile) for the first 20 km (12 miles), and it increases to 12 metres for every horizontal kilometre (63 feet per mile) thereafter along the slope. 0000001076 00000 n 0000002976 00000 n 0000002406 00000 n The Meddies contribute to the spreading of the salinity and temperature signature of the density current as they gradually mix into surrounding waters during their movement westward. (see also density) You will also like... Neural Control Mechanisms. The effect of the Coriolis force is to deflect the downslope movement of the current to the right in the Northern Hemisphere and to the left in the Southern Hemisphere. This dense water fills the basins of the Nordic seas (the oceanic region bounded by Iceland, Greenland, Scandinavia, and northern Russia) and the continental shelf of Antarctica. 0000007455 00000 n New Computer Algorithm Helps Physicians Determine and Monitor Breast Density: Increased Breast Density is a Strong Predictor of Overall Breast Cancer Risk, Physicists Turn Single Molecules Into Working Transistors, Geoinformation from space sharpens population density maps.