Lakes and Ocean

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  • Lake Baikal, located in eastern Russia, formed in the Baikal Rift of the Siberian Platform. Other crustal movements influencing lake formation include uplift of the seafloor (Caspian Sea and Aral Sea),
  • Taal Lake is a freshwater lake in the province of Batangas, on the island of Luzon in the Philippines. The lake fills Taal Caldera, a large volcanic caldera formed by very large eruptions between 500,000 and 100,000 years ago. It is the country's third largest lake after Laguna de Bay and Lake Lanao.Ijen Lake is a crater lake that is found in East Java, in Indonesia. It is a 1km wide acid lake which has a beautiful turquoise color. This is also a site for sulphur mining, as there is an active vent at the one side of the lake, which continually brings sulphur to the surface, from where it is broken into pieces and carried out of the crater in baskets. The molten, red hot, sulphur is guided out of the vent through ceramic pipes, which deposits it on the floor, where it cools, turning into a bright yellow color
  • The Uttarakhand government is keen on constructing four artificial lakes in the state to develop sources for potable water as well as irrigation and tourist purposes, said Parkash Pant, Uttarakhand Water Resource Minister.
  • Lake Napalit is a small tectonic lake located in the mountains of central Bukidnon province in the Philippines. It is situated just outside the Kalatungan Mountain Range.
  • Lake Pinamaloy is a guitar-shaped freshwater lake located in the municipality of Don Carlos in the province of Bukidnon, Mindanao, Philippines. It has an estimated area of 60 hectares (0.6 km²).[2] The lake is feed by local run-off and it is the main source of potable water for the municipality as well as its main tourist attraction
  • Lake Apo is a crater lake in Barangay Guinoyoran in the City of Valencia in Bukidnonprovince in the southern Philippines. It is located in a hilly area about 640 metres (2,100 ft) in elevation, about 11 kilometres (6.8 mi) WSW of the city poblacion (town center). Lake Apo was awarded the cleanest inland body of water in Northern MindanaoRegion (Region X) in the late 1990s. The green body of water has an estimated area of 24 hectares (59 acres) with maximum depths reaching up to 26 m (85 ft
  • upwelling as warm water surface is blown offshore by the wind, it is replaced by upwelling cold wateroccurs when the wind blows away from land, it will push water out to seadownwelling transfers warm surface water to depth *when the cold water is blown to the shore by the wind, it will replaced the warm surface water to depth
  • epipelagic zone -known as sunlight zone -from 200-600mesopelagic -twighlight -twinkling lights -bizarrebathypelagic -midnight zone -1k – 4k -visible light is produce by the organisms itself -high pressure -black or red color animalsabyssopelagic zone -abyssal zone -4k-6k -temp is near freezing - higher pressure - trench can be found - mariana off coast of japan at 10,911 mhadalpelagic zone 11k ----------continental shelf -broad gently sloping plain near the shoreline -300m- 1k m.continental slope -slightly steeper - drops to 4k meter -sand or mud washed down from the slope to form a gentle continental rise
  • Lakes and Ocean

    1. 1. LAKES AND OCEANS By: Mr. Marjonlien A. Mahusay
    2. 2. LAKES  large, inland body of fresh or salty standing
    3. 3. Types of Lakes 1.Tectonic lakes 2.Volcanic lakes 3.Glacier lakes 4.Salty lakes 5.Artificial lakes
    4. 4. Tectonic lakes Formed because of the movement of the earth’s crust Movement causes surface rifting, sinking and depression
    5. 5. Volcanic lake Associated with volcanic activity Form when the shut off volcano will be filled with water
    6. 6. Glacier Lakes Formed when the surface is scoured, deepened and widened by the glacier And the surface will be filled by glacier melt water
    7. 7. Salty Lakes Cause by the limited supply of freshwater Tendency to concentrate the water with minerals
    8. 8. Artificial Lakes Manmade lakes For water reservoirs, electricity generation, etc.
    9. 9. LAKES IN BUKIDNON
    10. 10. LAKE NAPALIT
    11. 11. LAKE PINAMALOY
    12. 12. LAKE APO
    13. 13. OCEAN
    14. 14. OCEAN great body of salt water comprising all the oceans and seas that cover nearly three-fourths of the surface of the earth
    15. 15. MOVEMENT OF THE OCEAN WATER 1.Wind 2.Upwelling and downwelling 3.Tides
    16. 16. MOVEMENT OF THE OCEAN WATER 1. WIND DRIVEN SURFACE CURRENT WIND  Primary force that drives ocean current  Modified by the coriolis effect  CORIOLIS EFFECT Apparent deflection
    17. 17. MOVEMENT OF THE OCEAN WATER
    18. 18. MOVEMENT OF THE OCEAN WATER 2. Upwelling and downwelling  Upwelling  transfer of cold water from depth to the surface  Most important processes Downwelling- transfers warm surface water to depth
    19. 19. MOVEMENT OF THE OCEAN WATER
    20. 20. MOVEMENT OF THE OCEAN WATER TIDES Cyclic rise and fall of the ocean water Cause by the gravitational forces brought by the moon and sun
    21. 21. MOVEMENT OF THE OCEAN WATER
    22. 22. LAYERS OF THE OCEAN

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