Laboratory work: Description on maps of waters of the oceans.

* When analyzing the maps of the atlas, sign on the contour map the points in the World Ocean ( A – F ), the characteristics of which are presented in the table.
* Complete the table with missing information about each point.

Ocean, part of the ocean Depth in meters Surface water temperature Water salinity Other features
Quiet, Mariana Trench 11022 above +30 34 – 35 the deepest point of the planet
Indian , Red Sea up to 2400 above +30 more than 37 the salty sea
Atlantic , the intersection of the southern tropic and the Atlantic ridge up to 2200 +20 – 25 more than 36  
Arctic Arctic, Svalbard up to 400 0 – +5 33 – 34 icebergs possible
Southern , Antarctica up to 4000 Below 0 less than 32 winter and summer ice
Pacific , Sea of ​​Okhotsk up to 400 up to +10 – 15 up to 33 tidal height 13 meters
Southern , Antarctica up to 400 Below 0 less than 32 solid ice in winter

* Match the outline map with the Surface Currents map in the atlas. Connect the arrows between the cold and warm currents to the points between which they exist.
* Make a conclusion about the patterns of changes in the properties of the waters of the oceans. The properties of water mainly vary with changes in latitude. The temperature of surface water decreases with distance from the equator to the poles. The salinity of the waters is also the lowest at the poles, which is due to both the temperature regime and the melting of the ice.

 

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