PPT-The Oceans Section 1: Exploring the Ocean

Pg 350 Oceans Since ancient times Oceans have provided many things Food Trade Routes Habitats Exploring the Floor Bathymetry is the study of depth contours on the ocean floor Sonar . Paul DiGiacomo and Kerry Sawyer (NOAA). CEOS . SIT Technical Workshop. EUMETSAT, Darmstadt, Germany. 17. th. – 18. th. . September. 2015. Committee on Earth Observation Satellites. “Oceans and Society: Blue Planet” . What does the ocean provide for us?. How does it affect us even when we live in . montana. ?. How much of earth is covered by the oceans?. Almost 71% of the earth’s surface is covered by our ocean.. KNOW MORE ABOUT OCEANS. . Oceans have always influenced the life and history of man. From time immemorial , man has been using oceans in several ways.. According to mythology, the . suras. ( Gods) and . What is the standard?. S6E3. Students will recognize the significant role of water in earth processes. . What is the element?. c. Describe the composition, location, and subsurface topography of the world’s oceans. . http://www.pbs.org/wgbh/nova/alicia/submersibles.html. Difficulty in exploring the ocean. Sunlight does not penetrate far below the surface. . Water is very cold. . Tremendous pressure. . Technology Used To Study Ocean Bathymetry. The Ocean’s Composition and Structure. Objectives. I can…. Describe the composition of Oceans.. Explain what Salinity is. . Identify the factors that affect the salinity of oceans. . Explain where the solutes in the ocean come from.. Do Now. Why is it important to learn about the continents . and oceans?. Directions. Answer the questions on the back. Question 1 can be found on page H3 and question 3 can be found on page H10. . Questions 2 and 4 can be found on Atlas page 129.. Challenges & Opportunities . Andrew Hudson. Head, Water & Ocean Governance . Programme. Global Environmental Finance Unit. Sustainable Development Cluster. Bureau for Policy & . Programme. The saltiness of the ocean, or its salinity, is fairly stable at about 35 parts per thousand. To give you a sense of how much salt that is, it is estimated that if you took all the salt out of the ocean and spread it over the land, the salt would form a layer more than . How do we study them?. Have they always been here?. Oceanography. The scientific study of earth’s oceans. Ocean currents. Chemical composition. Seafloor sediments & topography. Marine life. How?. Oceanography. Oceanography. is the study of all aspects of the marine environment.. To do this, we need to use many different sciences. . Often times, the knowledge of multiple sciences is needed to see how each aspect works together. . There are five main oceans in the world: The Arctic, The Atlantic, The Pacific, The Indian, and the Southern.. The northern most Ocean is the Arctic Ocean while the furthest ocean south is the Southern Ocean.. Key Message #1. 9. Ch. 9 | Oceans and Marine Resources. The Nation’s valuable ocean ecosystems are being disrupted by increasing global temperatures through the loss of iconic and highly valued habitats and changes in species composition and food web structure. Ecosystem disruption will intensify as ocean warming, acidification, deoxygenation, and other aspects of climate change increase. In the absence of significant reductions in carbon emissions, transformative impacts on ocean ecosystems cannot be avoided.. The Vast World . Ocean. Area of Continents and Oceans. Seventy one percent (71%) of the globe is covered with oceans or seas.. Continents and islands compose the remaining twenty nine percent (29 %)..