The big question addressed in lab, and a description of what you did. video notes - 2020- hottest decade ever, largest number of mega-fires, caused by lots of droughts - fumes having impact on planet - fires are now occuring annualy since earth is warming and droughts are more common - sun is dominant source of energy - carbon dixode peeked then went down then went back up again - plants takeup CO2 from atomospehere during summer, winter decomposition - caused by veggitation in northern hemisphere - plant matter made up more of carbon 12 than carbon 13 - carbon coming from volanos have different ratios Greenhouse effect - image in presentation Earths blenket and light - certain gases in our atmosphere act like a blanket around the earth - light rays coming from the sun contain visble photons (energetic light particles) - abosrbed by earths surface A description of what you learned in Thursday's lecture. Why d...
The big question addressed in lab, and a description of what you did. How do we know that the Goldfinch is in danger in Iowa? whats happening in Iowa average temp increacted by 0.2F over last 30 years Iowa is getting wetter more rainfall April, may, and june 4-6 inches per rainfall path forward agriculture is a big part of solution removing air pollution through land protection carbon sequestration - help maintain praries and stop interupting nautral cycle of carbon preventing pollution of air and water conservation can help absorb greenhouse gases protect land long-term by helping plains and the soil providing habitat for wildlife protexting wildlife homes so they can freely live is important river corridors or large tracts building resilient communities protect native ecosysyemsd by keeping praries clear so they can absorb water and help it flow to rivers and streams The second part of class my g...