biogeochemical cycle


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this presentation is all about the biogeochemical cycle. but sadly, i only include the Water Cycle and Carbon cycle because I were assign to present this in front of my classmates.

I hope I can help you all regarding this topic. that's all thank you . Like. Comment and Share tHanks. ! Godbless y'll. :)

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biogeochemical cycle

  1. 1. B i o G e o C h e m i c a l C y c l e ECOWLEC Juvena May Alegre
  2. 2. INTRODUCTION <ul><li>The elements and compounds that sustain us are cycled endlessly through living things and through the environment. </li></ul>
  3. 3. INTRODUCTION <ul><li>when human activity alters flow rates or storage times in these natural cycles, overwhelming the environment’s ability to process them, these materials can become pollutants . </li></ul>
  4. 4. INTRODUCTION <ul><li>on the global scale Biogeochemical cycling is the transport and transformation of substances in the environment, through life , air , sea , land , and ice . </li></ul>
  5. 5. INTRODUCTION <ul><li>these global cycles include the circulation of certain elements, or nutrients, upon which life and the earth’s climate depend. </li></ul>
  6. 6. Hydrologic cycle ECOWLEC Juvena May Alegre
  7. 7. Water <ul><li>Very important </li></ul>astronomers
  8. 8. How come we never run out of water? ECOWLEC Juvena May Alegre
  9. 9. After four and a half million years you’d think the water would be all used up! It’s not , though, because of one special process: the hydrologic cycle , more commonly called “the Water Cycle.” ECOWLEC Juvena May Alegre
  10. 10. The Hydrological Cycle (also known as the water cycle) is the journey, water takes as it circulates from air , the land , subsurface waters, and organism to the sky, and back again.  ECOWLEC Juvena May Alegre
  12. 13. <ul><li>The multiple cycle that makes up the Earth’s water cycle involve: </li></ul><ul><ul><li>Four main physical actions : </li></ul></ul><ul><ul><ul><li>Evaporation </li></ul></ul></ul><ul><ul><ul><li>Precipitation </li></ul></ul></ul><ul><ul><ul><li>Infiltration </li></ul></ul></ul><ul><ul><ul><li>Runoff </li></ul></ul></ul><ul><ul><ul><li>Subsurface flow </li></ul></ul></ul>ECOWLEC Juvena May Alegre
  13. 14. <ul><li>E vaporation </li></ul><ul><ul><li>Transfer of water from bodies of surface water into the atmosphere </li></ul></ul>ECOWLEC Juvena May Alegre
  14. 15. <ul><li>Precipitation </li></ul><ul><ul><li>Atmospheric moisture that has previously condensed to form clouds. </li></ul></ul>ECOWLEC Juvena May Alegre
  15. 16. <ul><li>InFiltration </li></ul><ul><ul><li>transition from the surface water to groundwater. </li></ul></ul>ECOWLEC Juvena May Alegre
  16. 17. <ul><li>Run-Off </li></ul><ul><ul><li>variety of ways by which land surface water moves down slope to the oceans.. </li></ul></ul>ECOWLEC Juvena May Alegre
  17. 18. <ul><li>Subsurface Flow </li></ul><ul><ul><li>movement of water within the earth, or within aquifers. </li></ul></ul>ECOWLEC Juvena May Alegre
  18. 19. Carbon Cycle <ul><li>Serves as dual Purpose for Organism: </li></ul><ul><ul><li>Structural component of organic molecules </li></ul></ul><ul><ul><li>Chemical bonds in carbon compound provided metabolic energy. </li></ul></ul>ECOWLEC Juvena May Alegre
  19. 20. Carbon Cycle <ul><li>Begins with photosynthetic organism taking up CO 2 because carbon is changed from gaseous CO 2 to less mobile organic molecules. </li></ul>ECOWLEC Juvena May Alegre
  20. 21. Carbon Cycle ECOWLEC Juvena May Alegre
  21. 22. <ul><li>The movement of carbon, in its many forms, between the biosphere, atmosphere, oceans and geosphere. </li></ul>
  22. 23. <ul><li>Plants obtain carbon dioxide from the air, through photosynthesis incorporate carbon into their tissues. </li></ul>
  23. 24. <ul><li>Producers and consumers – transform part of the carbon in their food back into Co2 via respiration. </li></ul>
  24. 25. <ul><li>Decomposers- release the carbon tied up in dead plants and animals into the atmosphere </li></ul>
  25. 26. <ul><li>Another major exchange of carbon dioxide occurs between Oceans and atmosphere </li></ul>
  26. 27. <ul><li>The dissolve co2 in the oceans is used by marine biota in photosynthesis </li></ul>
  27. 28. <ul><li>2 other important processes </li></ul><ul><ul><li>Fossil fuel burning </li></ul></ul><ul><ul><li>Changing land use </li></ul></ul>
  28. 29. <ul><li>Fossil Fuel Burning , coal, oil, natural gas, and Gasoline are consumed by industry, power plants and automobiles. </li></ul>
  29. 30. <ul><li>Changing land use is a broad term which encompasses a host of essentially human activities, including agriculture, deforestation, and reforestation. </li></ul>
  30. 31. <ul><li>The global carbon cycle is out of balance, making rapid global climate change. </li></ul>
  31. 32. <ul><li>Co2 forms when the carbon in biomass oxidizes as it burns or decays </li></ul>
  32. 33. <ul><li>Many biological processes in motion by people release carbon dioxide </li></ul>
  33. 34. <ul><li>Burning fossil fuels </li></ul><ul><li>Slash-and burn agriculture </li></ul><ul><li>Clearing land for permanent pasture, cropland, human settlements. </li></ul>
  34. 35. <ul><li>4. Accidental and intentional forest burning </li></ul><ul><li>5. Unsustainable logging and fuel wood collection </li></ul>
  35. 36. <ul><li>Clearing vegetation cover from a forested hectare release much of the carbon lodged in the soil. </li></ul>
  36. 37. <ul><li>The annual movement of carbon, the carbon exchanges bet. Reservoirs, occur because of various chemical, physical, geological and biological processes. </li></ul>
  37. 38. <ul><li>The Ocean contains the largest pool of carbon near the surface of the earth </li></ul>
  38. 40. Global Carbon Budget <ul><li>Is the Balance of the exchanges of carbon between the carbon reservoirs or between a specific loop of the cycle </li></ul>ECOWLEC Juvena May Alegre
  39. 41. B y e!! T ha nk y Ou  ECOWLEC Juvena May Alegre