I'm doing a science project and wanted to know.. What causes higher and lower salinity?
2006-11-11 03:09:33 · 7 answers · asked by likewhoaitscindy 1 in Science & Mathematics ➔ Earth Sciences & Geology
Salinity is measures as the amount of salt content in water in ppt (parts per thousand).
The amount of salinity depends on the source of water that feeds water into the sea. At the sea bed there is sand, rocks and sediments which contribute to the salt content in the sea. If there are many fresh water rivers opening into the sea with continuous supply the salinity will be low. Also if there is continuous supply of melting snow (this happens near the poles), content of salt will be low.
However, if there is not much of fresh water flowing into the sea, the salinity will be high. Also, if the rate of evaporation is high, salinity will be high (this happens in tropical regions) because water evaporates leaving behind salts.
The Dead Sea has the highest salinity in the world. In fact the density of water is so high due to salt content that humans can actually float on the water. This is because Dead Sea is completely land-locked and has no source to supply fresh water.
2006-11-11 03:20:35 · answer #1 · answered by Anonymous · 0⤊ 1⤋
What Causes Salinity
2016-12-16 10:11:36 · answer #2 · answered by ? 4 · 0⤊ 0⤋
The distribution of sea-surface salinity tends to be zonal. The saltiest waters are at mid-latitudes where evaporation is high. Less salty waters are near the equator where rain freshens the surface water, and at high latitudes where melted sea ice freshens the surface waters.
2006-11-11 03:49:57 · answer #3 · answered by holliek1125 2 · 0⤊ 0⤋
esturies are the places where the rivers fall into the sea esturies contain a mixture of saline and fresh water.it can be observed that the river broadens out and divides into branches.the load of sediment and silt broughtdown by the river is deposited at or near the mouth making up triangular deltas.the sediment and silt deposited here prevent the mixing of sea water and fresh water.
2016-05-22 05:11:22 · answer #4 · answered by Anonymous · 0⤊ 0⤋
The amount of salt varies with water temperature, currents, and evaporation. Areas that have more evaporation will have higher salinity.
2006-11-11 03:16:06 · answer #5 · answered by dantheman_028 4 · 0⤊ 1⤋
The amount of fresh water that is put into the oceans by global warming ( melting ice caps ) and fresh water relocation ( rains, run off ) Also, the mineral content of the soil bordering the oceans as well as underwater volcanic activity.
2006-11-11 03:15:02 · answer #6 · answered by yodeladyhoo 5 · 1⤊ 1⤋
The amount of evaporation and the degree of mixing with deeper water.
2006-11-11 03:15:29 · answer #7 · answered by Dr. J. 6 · 0⤊ 1⤋