Changing World Oceans Ocean Acidification © Copyright 2014 - all rights reserved www.cpalms.org.

Slides:

Advertisements

Similar presentations

Global Carbon Cycle 7. b. Students know the global carbon cycle: the different physical and chemical forms of carbon in the atmosphere, oceans, biomass,

Advertisements

When you hear climate change, what do you think?

HCO3-(aq) H+(aq) + CO32-(aq)

H⁺ H⁺ CO₂ H₂O H₂CO₃ Wow, that’s a lot of chemical reactions! But how does this make the ocean acidic?

Carbon Dioxide and Carbonate system Carbon cycle - Why is it important? 1. Regulates temperature of the planet 2. Important for life in the ocean 3. Regulates.

Ocean Acidification Sonya Remington

Effects of global warming on the world’s oceans Ashley A. Emerson.

Biological Buffers. Buffers Allow biological fluids to maintain relatively constant pH despite additions of acids or bases.

Lesson 3: Ocean Acidification Chemical Oceanography.

Water Chemistry: pH. pH pH is the measure of hydrogen ions (H+) –Negative logarithm of the H+ concentration Higher the pH, the lower the H+ concentration.

Ocean Acidification Process GCSE Science. Why study ocean acidification? –The oceans contain 50 times more carbon dioxide than the atmosphere –The ocean.

Solutions and Suspensions

Chapter 6: Neutralizing the Threat of Acid Rain Is normal rain acidic? Is acid rain worse in some parts of the country? Is there a way to “neutralize”

The Other Carbon Dioxide Problem Ocean acidification is the term given to the chemical changes in the ocean as a result of carbon dioxide emissions.

Shipwrecks, Corrosion and Conservation Summary Slides PART 4 – Jack Dengate.

Ocean Acidification, Life in an Acid Bath ELF Activity: Biosphere 4B

CHEMISTRY 1000 Topics of Interest #8: Carbon Dioxide, Coral Killer!

General Chemistry Element –composed of atoms Nucleus –protons (+) and neutrons (0) Electrons (-)

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Section 3 Water and Solutions Chapter 2 Acids and Bases Section.

Ocean Acidification Discussion Catherine Bacon

Acids and Bases pH Scale Marine Biology. Warm Up What is the pH scale? What is the difference between an acid and a base? What is neutral? How are enzymes.

Ocean Acidification. EPA pH Scale pH Scale measures acidity Pure water has pH of 7 Lower pH is acidic Higher pH is basic Logarithmic scale: Each step.

PH Scale What is pH?.

Carbon Cycle and Ocean Acidification Inspiration 9 V. Soutar.

The Carbon Cycle. Carbon Dioxide and Carbonate system Why is it important? 1. Regulates temperature of the planet 2. Important for life in the ocean 3.

PH and Chemical Equilibrium. Acid-base balance Water can separate to form ions H + and OH - In fresh water, these ions are equally balanced An imbalance.

What will you be doing in lab this week?  Ocean Acidification lab  What is Ocean Acidification?  =Wo-bHt1bOsw

Ocean basins, currents, and climate change  [CO 2 ] equilibrium at sea surface  Reactions with H + and OH - ions  Step 1: carbonic acid  Step 2:

Ocean Acidification Reid Bergsund and Catherine Philbin

Carbon cycle theme #1 The Earth’s carbon cycle has a stabilizing mechanism against sudden addition of CO 2 to the atmosphere – About 50% of carbon emission.

Carbon and Nitrogen Cycles in the Ocean MP 2.2. The Carbon Cycle All animals and most cells release CO 2. Plants use it to make food. CO 2 is highly soluble.

Biological Molecules B2, B3, B4. Water and It’s role in biological Systems  describe how the polarity of the water molecule results in hydrogen bonding.

NOTES: 19.2 – Hydrogen Ions & Acidity (pH and pOH)

What is Ocean Acidification? OA is the consequence of rising anthropogenic emissions of CO 2 since 1750, and the uptake of 30-40% of that carbon by the.

Acids, Bases and pH Water molecules dissociate Dissociates into OH- and H+ Water is neutral because there are equal numbers of OH- and H+

Ocean Acidification source -

The Carbon Cycle. Carbon Dioxide and Carbonate system Why is it important? 1. Regulates temperature of the planet 2. Important for life in the ocean 3.

Analysis Questions: 1.What does pH measure? the concentration (not “amount”) of hydrogen (H+) ions in a solution. 2.Which pH has the highest concentration.

Storing carbon dioxide Learning objectives:  Describe the factors determining the relative solubility of a solute in aqueous and non aqueous solvents.

Acidification of the Ocean. Deep sea sequestering Storing CO2 in the sea Less CO2 in the atmosphere Acidifies the Ocean Dangerous for marine life.

Acids, Bases, and pH.

On Target? Do this on your Warm Up worksheet!

KEY CONCEPT Life depends on chemical reactions.

IMPACT 3: Sea level rise and Ocean acidification

PH and Living Things.

Ocean Acidification Quinn Vo.

Ocean Acidification Will the reef survive? 1

PH Scale & Buffers Chapter 2 Biochemistry.

Currents, Waves and Properties of Water

Biological Buffers.

Ocean Acidification CO2 CO2 CO2 Carbonic Acid

Ocean Acidification Will the reef survive?

Ocean Acidification Topics Acids Bases pH Scale Ocean Acidification.

California Science Project

Properties of Water! Why Water is Special.

Dissolved Gases in the Ocean

Notes: The pH Scale The pH scale is used to measure the strength of an acid or a base. pH scale runs from 0 to 14.

Lesson 3: Ocean Acidification Chemical Oceanography

Chemical Reactions.

Acids and Bases When water dissociates,

Properties of Water Liquid at most temperatures on earth

Daily Warm-up Wednesday, October 1st

PH and pOH Acid Neutral Base.

Solutions and pH Chapter 2.

Environmental Science Mr. Good

How does ocean acidification change ocean chemistry?

The relevance of equations when looking at ocean acidification

1)What is the pH of a M acid solution? pH = 3

Presentation transcript:

Changing World Oceans Ocean Acidification © Copyright all rights reserved

The Carbon Cycle © Copyright all rights reserved The Global Carbon Cycle. Graphic by Walter Denn, LBNL,

pH Scale 7 is neutral Lower pH values are more acidic Higher pH values are more basic The pH scale is a log scale © Copyright all rights reserved 10 times more H+ ions 10 times more H+ ions 100 times more H + ions

How Does The Ocean Get Acidified? © Copyright all rights reserved

Chemical Reaction CO 2 and H 2 O CO 2 + H 2 O H 2 CO 3 HCO H + © Copyright all rights reserved carbon dioxide water carbonic acid Bicarbonate ion Hydrogen ion An acid is something that produces an excess of hydrogen ions The more acidic a solution is, the lower the pH and the more the H+ ions

Pteropod SEM Acid is etching away the surface of the shell © Copyright all rights reserved ocean_acidification_%28NOAA_EVL%29.webm/Impacts_of_ocean_acidification_ %28NOAA_EVL%29.webm.480p.webm

How Will Acidification Affect Marine Organisms? Pteropod shells malformed © Copyright all rights reserved

© Copyright all rights reserved large.jpg&imgrefurl= adaptation/ecosystems.html&h=487&w=549&tbnid=CApYIIThsvZnPM&zoom=1&tbnh=211&tbnw=238&usg=__jRhZycMJZXkJJ-Ig70I-N9fopVA=

High Mag Calcitic Phytoplankton May not be as susceptible to acidification as aragonitic and calcitic organisms © Copyright all rights reserved wer/File:Coccolithophore_bloom.jpg 0.pdf (reading)

© Copyright all rights reserved

The Earth Will Adapt... But will we? But will we? Will our quality of life change? Will our quality of life change? These are reasons among others that we need to be good stewards of our environment. These are reasons among others that we need to be good stewards of our environment. © Copyright all rights reserved