Current socio-economic problems New economic policy & govt. sector Science Latest inventions on science & technology Latest discoveries in Health Science Mass media & communication Unit III. Geography Earth and Universe-Solar system-Atmosphere hydrosphere‚ lithosphere-Monsoon‚ rainfall‚ weather and climate-Water resources -rivers in India-Soil‚
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Every single say we affect the lithosphere‚ whether we know it or not. Simple things just like a little rain effects it. Ways that processes and forces affect the lithosphere is water. When it runs off it causes chemical reactions that break down rocks. The rainwater dissolves the rocks to form caves and to move rock and soil to other places. By doing this is causes major erosion. Erosion is very bad because it slowly breaks away soil‚ and takes out all the nutrients that plants need to survive.
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4 Biogeochemical Cycles Project Due: Wed‚ Dec 12th/Thurs‚ Dec 13th Using your book‚ notes‚ & other creditable sources‚ you will produce a labeled diagram and summary of each of the 4 biogeochemical cycles showing the transfers and transformations of these vital substances. Make sure you address the specifics listed for each cycle. 1. Hydrological cycle On the cycle diagram label the following: a. condensation b. precipitation c. percolation/infiltration
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1. What is a biogeochemical cycle? A. A biogeochemical cycle is a pathway for chemicals necessary for life to move through the environment. 2. Fill in the blanks: Matter cannot be created or destroyed. Water‚ carbon‚ nitrogen‚ and oxygen must be recycled somehow in the environment‚ which also ensures that we do not use up or lose these essential materials. 3. Fill in the blanks: *Nitrogen is circulated in a biogeochemical cycle and is a necessary element in the structure of living things
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is the process that involves the continuous circulation of water in the Earth-atmosphere system. The hydrologic cycle is a conceptual model that describes the storage and movement of water between the biosphere‚ atmosphere‚ lithosphere‚ and the hydrosphere. Water on our planet can be stored in any one of the following major reservoirs: atmosphere‚ oceans‚ lakes‚ rivers‚ soils‚ glaciers‚ snowfields‚ and groundwater. Water moves from one reservoir to another by way of processes like evaporation‚ condensation
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the Atlantic coasts of Africa and which continent? A) North America B) Asia C) Antarctica D) South America Correct answer(s): D 2. The outermost solid layer of the Earth that comprises both continental and oceanic crust is called the: A) Hydrosphere B) Lithosphere C) Aesthenosphere D) Outer Core Correct answer(s): B 3. Earlier than 200 million years ago‚ the continents were joined into one supercontinent called: A) Pangaea B) Panthalassa C) Oceanus D) Tethys Correct answer(s): A
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distribution and intensity of precipitation Satellite Imaging- Storms‚ clouds‚ etc. over oceans and areas with little/ no observations Earth’s Spheres Geosphere- Solid earth Atmosphere- Sky (thinner as you get higher till it merges with space) 99% Hydrosphere- Water areas + ice Oceans: ~71% Earth’s surface‚ avg. depth of 4 km Streams‚ lakes‚ clouds‚ glaciers‚ underground Volume of water Oceans: 97.2%‚ Glaciers: 2.15%‚ Ground water: 0.62% Shorelines- Interface between Land and Water (where it connects)
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overpopulation‚ climate change and dwindling natural resources‚ both excites and inspires me. My geography teacher believed that geography is a global subject‚ made up of the four spheres of the Earth: the biosphere‚ the lithosphere‚ the atmosphere and the hydrosphere. So‚ in my opinion‚ a student of geography is one with the broadest and most globally relevant extent of knowledge of all faculties. This is why I want to be part of the exclusive club of geographers‚ and hopefully be a part of the future of our
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finite and fragile. What’s the first thing that you notice about our planet when you see this image? The Earth is composed of several integrated parts (spheres) that interact with one another: atmosphere hydrosphere solid earth (lithosphere) biosphere The Earth System Hydrosphere: Oceans are the most prominent features of our (blue) planet. The oceans cover ~71% of our planet. Atmosphere: the swirling clouds of the atmosphere represent the very thin blanket of air that covers our planet
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CGE526 – PETROLEUM GEOLOGY Geology Geology is basically the science which is related to the study of the origin of the Earth including the history and its life‚ the materials that made it up‚ the structure of the materials and the processes acted upon them. It also deals with the study of the organisms that have inhabited the planet and the structure of a specific region of the Earth involving the rocks‚ soils‚ mountains‚ fossils and other features. The word geology was first known used in
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