oceans cover over 70% of the Earth’s surface
surface
surface they not only serve as the planets
they not only serve as the planets
they not only serve as the planets largest habitat but also help to
largest habitat but also help to
largest habitat but also help to regulate the global climate
regulate the global climate
regulate the global climate [Music]
[Music]
[Music] the ocean is a continuous body of salt
the ocean is a continuous body of salt
the ocean is a continuous body of salt water that surrounds the continents it
water that surrounds the continents it
water that surrounds the continents it is divided into four major regions the
is divided into four major regions the
is divided into four major regions the Pacific Atlantic Indian and Arctic the
Pacific Atlantic Indian and Arctic the
Pacific Atlantic Indian and Arctic the ocean contains traces of all chemical
ocean contains traces of all chemical
ocean contains traces of all chemical elements found on earth but it tastes
elements found on earth but it tastes
elements found on earth but it tastes salty because of sodium and chloride
salty because of sodium and chloride
salty because of sodium and chloride ions in rainwater runoff and minerals
ions in rainwater runoff and minerals
ions in rainwater runoff and minerals from geothermal vents on the sea floor
from geothermal vents on the sea floor
from geothermal vents on the sea floor climate change is altering the ocean in
climate change is altering the ocean in
climate change is altering the ocean in three major ways first the ocean is
three major ways first the ocean is
three major ways first the ocean is getting warmer the greenhouse effect not
getting warmer the greenhouse effect not
getting warmer the greenhouse effect not only warms the planet but also raises
only warms the planet but also raises
only warms the planet but also raises the temperature of the world’s oceans
the temperature of the world’s oceans
the temperature of the world’s oceans over the past century the ocean surface
over the past century the ocean surface
over the past century the ocean surface temperature rose at an average rate of
temperature rose at an average rate of
temperature rose at an average rate of about point 13 degrees Fahrenheit per
about point 13 degrees Fahrenheit per
about point 13 degrees Fahrenheit per decade and during the past 30 years sea
decade and during the past 30 years sea
decade and during the past 30 years sea surface temperature has been
surface temperature has been
surface temperature has been consistently higher than at any other
consistently higher than at any other
consistently higher than at any other time on record this warmer water
time on record this warmer water
time on record this warmer water vaporizes quickly fueling stronger and
vaporizes quickly fueling stronger and
vaporizes quickly fueling stronger and more frequent storms higher temperatures
more frequent storms higher temperatures
more frequent storms higher temperatures also threaten delicate ocean life like
also threaten delicate ocean life like
also threaten delicate ocean life like coral reefs
coral reefs
coral reefs and disrupt the food chain from krill
and disrupt the food chain from krill
and disrupt the food chain from krill to penguins to seals second since 1993
to penguins to seals second since 1993
to penguins to seals second since 1993 the seas have been rising at a rate
the seas have been rising at a rate
the seas have been rising at a rate that’s twice as fast as a long term
that’s twice as fast as a long term
that’s twice as fast as a long term trend
sea levels rise not only because water
sea levels rise not only because water expands when it heats up but also due to
expands when it heats up but also due to
expands when it heats up but also due to melting glaciers and ice sheets rising
melting glaciers and ice sheets rising
melting glaciers and ice sheets rising seas contribute to flooding on once dry
seas contribute to flooding on once dry
seas contribute to flooding on once dry land in coastal regions a third
land in coastal regions a third
land in coastal regions a third consequence of climate change is ocean
consequence of climate change is ocean
consequence of climate change is ocean acidification seawater absorbs co2 from
acidification seawater absorbs co2 from
acidification seawater absorbs co2 from the atmosphere which lowers its pH and
the atmosphere which lowers its pH and
the atmosphere which lowers its pH and results in higher acid content this
results in higher acid content this
results in higher acid content this reduces the concentration of calcium
reduces the concentration of calcium
reduces the concentration of calcium carbonate which makes it difficult for
carbonate which makes it difficult for
carbonate which makes it difficult for species like oysters clams and corals to
species like oysters clams and corals to
species like oysters clams and corals to form shells or skeletons the only way to
form shells or skeletons the only way to
form shells or skeletons the only way to stop the damage to our oceans is to
stop the damage to our oceans is to
stop the damage to our oceans is to dramatically reduce greenhouse gas
dramatically reduce greenhouse gas
dramatically reduce greenhouse gas emissions
emissions
emissions but even if emissions stop tomorrow the
but even if emissions stop tomorrow the
but even if emissions stop tomorrow the gas is currently in the atmosphere would
gas is currently in the atmosphere would
gas is currently in the atmosphere would take decades to dissipate
”
Be First to Comment