Carbon and Other Biogeochemical Cycles
... dioxide. For various debatable reasons, the growth rate of atmospheric methane was declining since the mid 1980’s then stabilized in 1999-2006. Since 2007, atmospheric methane was observed increasing again, which is consistent with anthropogenic emissions. Anthropogenic forces account for 50% of the ...
... dioxide. For various debatable reasons, the growth rate of atmospheric methane was declining since the mid 1980’s then stabilized in 1999-2006. Since 2007, atmospheric methane was observed increasing again, which is consistent with anthropogenic emissions. Anthropogenic forces account for 50% of the ...
Terrigenous dissolved organic matter (DOM) is continuously
... After burial in the sediments the organic matter undergoes biochemical degradation and a couple of fossilization processes to finally form fossil fuels. These processes are diagenesis, catagenesis and metagenesis, which include condensation, thermal cracking and polymerization. o Terrestrial environ ...
... After burial in the sediments the organic matter undergoes biochemical degradation and a couple of fossilization processes to finally form fossil fuels. These processes are diagenesis, catagenesis and metagenesis, which include condensation, thermal cracking and polymerization. o Terrestrial environ ...
Study Guide: Unit ESS2-1 and ESS2
... above a sinking slab of oceanic lithosphere (subduction zone). 23. The volcanoes and deep valleys of east Africa are related to a continental rift along which parts of the African continent are beginning to slowly separate. 24. The Aleutian Islands occur at a convergent boundary on a volcanic island ...
... above a sinking slab of oceanic lithosphere (subduction zone). 23. The volcanoes and deep valleys of east Africa are related to a continental rift along which parts of the African continent are beginning to slowly separate. 24. The Aleutian Islands occur at a convergent boundary on a volcanic island ...
Study Guide 2
... centuries to the past millennia Paleoclimatology - the study of past climates, those that existed before humans collected instrumental weather data. ...
... centuries to the past millennia Paleoclimatology - the study of past climates, those that existed before humans collected instrumental weather data. ...
Sea Floor Spreading NOTES 2016
... 3. Rocks shaped like ________ that can only form if molten material hardens quickly after erupting under water have been found in the central valley of the mid-ocean ridge. 4. Scientists took samples of rocks for testing. Rocks ________ away from the ridge were older than the ones __________ to the ...
... 3. Rocks shaped like ________ that can only form if molten material hardens quickly after erupting under water have been found in the central valley of the mid-ocean ridge. 4. Scientists took samples of rocks for testing. Rocks ________ away from the ridge were older than the ones __________ to the ...
Evidence for Sea-Floor Spreading
... happens to the ocean floor at deep ocean trenches? • At trenches, 2 plates collide causing the denser of the 2 plates to dive back to the mantle. This process is known as subduction. • Over millions of years, this material may rise again as new oceanic crust. ...
... happens to the ocean floor at deep ocean trenches? • At trenches, 2 plates collide causing the denser of the 2 plates to dive back to the mantle. This process is known as subduction. • Over millions of years, this material may rise again as new oceanic crust. ...
Marine Ecosystems
... Water provides consistency = keeps organism from drying out or requiring water, constant temperature range Water provides readily dissolved nutrients – b/c water is the universal solvent the nutrients are ready for uptake by primary producers Adaptations for Floating ...
... Water provides consistency = keeps organism from drying out or requiring water, constant temperature range Water provides readily dissolved nutrients – b/c water is the universal solvent the nutrients are ready for uptake by primary producers Adaptations for Floating ...
plate tectonics
... PROVE HIS CONTINENTAL DRIFT THEORY: 1) _______________________________________________________________ 2) _______________________________________________________________ 3) _______________________________________________________________ 4) ____________________________________________________________ ...
... PROVE HIS CONTINENTAL DRIFT THEORY: 1) _______________________________________________________________ 2) _______________________________________________________________ 3) _______________________________________________________________ 4) ____________________________________________________________ ...
How Plates Create
... Lava erupts through narrow cracks along the ridge, adding new rock to the ocean floor. ...
... Lava erupts through narrow cracks along the ridge, adding new rock to the ocean floor. ...
4.1 & 4.2 Plate Tectonics
... - cycle of warm magma rising up to the lithosphere where it cools and solidifies - The new lithosphere moves away from the mid ocean ridges - It cools and becomes more dense - It eventually is subducted into the ...
... - cycle of warm magma rising up to the lithosphere where it cools and solidifies - The new lithosphere moves away from the mid ocean ridges - It cools and becomes more dense - It eventually is subducted into the ...
Earth Science, 11e Ocean Water and Ocean Life Chapter 14
... • Abyssal zone – a subdivision of the benthic zone • No sunlight • Sparse life • Food sources include decaying particles from above, large fragments falling, and hydrothermal vents ...
... • Abyssal zone – a subdivision of the benthic zone • No sunlight • Sparse life • Food sources include decaying particles from above, large fragments falling, and hydrothermal vents ...
What Are the Possible Side Effects? M
... tropical regions, this aerosol effect can be That would set the stage for producing even stronger than the gains from carbon dimore nitrous oxide and methane, two pooxide reduction, though the net impacts on tent greenhouse gases that tend to form the ocean and climate are hard to predict. when orga ...
... tropical regions, this aerosol effect can be That would set the stage for producing even stronger than the gains from carbon dimore nitrous oxide and methane, two pooxide reduction, though the net impacts on tent greenhouse gases that tend to form the ocean and climate are hard to predict. when orga ...
Plate Tectonics and the Changing Earth NO PICS
... increases or decreases perhaps through glaciation, orand the continent may glacier melting. “rebound”. No increase in ...
... increases or decreases perhaps through glaciation, orand the continent may glacier melting. “rebound”. No increase in ...
Ocean life
... Ocean temperature Surface water temperature varies with the amount of solar radiation received • Lower surface temperatures are found in high-latitude regions • Higher temperatures found in low-latitude ...
... Ocean temperature Surface water temperature varies with the amount of solar radiation received • Lower surface temperatures are found in high-latitude regions • Higher temperatures found in low-latitude ...
Earth and atmosphere Topic Checklist
... Pressure and cementation turn sediments into rock Sedimentary rocks include sandstone, limestone and mudstone Sedimentary rocks are formed in layers (strata) and may contain fossils Metamorphic rocks are formed when rocks are changed by heat and/or pressure Metamorphic rocks include marble (from lim ...
... Pressure and cementation turn sediments into rock Sedimentary rocks include sandstone, limestone and mudstone Sedimentary rocks are formed in layers (strata) and may contain fossils Metamorphic rocks are formed when rocks are changed by heat and/or pressure Metamorphic rocks include marble (from lim ...
Ocean life - Oakton Community College
... Ocean temperature Surface water temperature varies with the amount of solar radiation received • Lower surface temperatures are found in highlatitude regions • Higher temperatures found in low-latitude ...
... Ocean temperature Surface water temperature varies with the amount of solar radiation received • Lower surface temperatures are found in highlatitude regions • Higher temperatures found in low-latitude ...
Sea Floor Spreading
... geologist who studied mid-ocean ridges. • He suggested that the ocean floors move like conveyor belts, carrying the continents along with them. ...
... geologist who studied mid-ocean ridges. • He suggested that the ocean floors move like conveyor belts, carrying the continents along with them. ...
The Sea Floor - Mrs. Gallegos Website
... - because of low density, neither tends to subduct - get “welded together” or cause buckling and fold ...
... - because of low density, neither tends to subduct - get “welded together” or cause buckling and fold ...
PlateTectonicsTheoryteachernotesL2 30.50KB
... similar coal deposits formed in tropic climates in the Carboniferous period. They must have drifted from their original locations. 4. Biological evidence Identical plant and animal fossils are found in rocks millions of years old and thousands of miles apart. Some species like marsupials are found o ...
... similar coal deposits formed in tropic climates in the Carboniferous period. They must have drifted from their original locations. 4. Biological evidence Identical plant and animal fossils are found in rocks millions of years old and thousands of miles apart. Some species like marsupials are found o ...
Plate Movement Power Point
... on plates involved) • Continental/continental • Continental/oceanic • Oceanic/oceanic ...
... on plates involved) • Continental/continental • Continental/oceanic • Oceanic/oceanic ...
Oceans cover much of Earth`s surface. They are so large that they
... Oceans cover much of Earth's surface. They are so large that they have many ecosystems. An ecosystem includes all the living and nonliving things in an area. Some ocean ecosystems are the shore, coral reef, open ocean, and deep sea. The shore ecosystem is where the ocean meets the land. Ocean waves ...
... Oceans cover much of Earth's surface. They are so large that they have many ecosystems. An ecosystem includes all the living and nonliving things in an area. Some ocean ecosystems are the shore, coral reef, open ocean, and deep sea. The shore ecosystem is where the ocean meets the land. Ocean waves ...
C:\Users\mhill\Documents\MS20\lEARNING OBJECTIVES\Thurman
... physical characteristics of seawater. Algae are the basic producers of food and their distribution in the oceans is based on the availability of sunlight and nutrients. The marine environment is divided into pelagic and benthic environments. Learning objectives: Upon completion of this chapter, the ...
... physical characteristics of seawater. Algae are the basic producers of food and their distribution in the oceans is based on the availability of sunlight and nutrients. The marine environment is divided into pelagic and benthic environments. Learning objectives: Upon completion of this chapter, the ...
Anoxic event
Oceanic anoxic events or anoxic events (Anoxia conditions) refer to intervals in the Earth's past where portions of oceans become depleted in oxygen (O2) at depths over a large geographic area. During some of these events, euxinia develops - euxinia refers to anoxic waters that contain H2S hydrogen sulfide. Although anoxic events have not happened for millions of years, the geological record shows that they happened many times in the past. Anoxic events coincide with several mass extinctions and may contribute to these events. These mass extinctions include some that geobiologists use as time markers in biostratigraphic dating. It is believed oceanic anoxic events are strongly linked to slowing of ocean circulation, climatic warming and elevated levels of greenhouse gases. Enhanced volcanism (through the release of CO2 and other greenhouse gases) is the proposed central external trigger for the development of these events.