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temperature and pressure, separating the gas from the
DokdoDeep-seaWater,aValuableResourcewith
sediment, and then separating methane gas from other
ManyUses
gasses mixed together. Regarding this, Joung Dong-
The “Dokdo Toner” at the Korean health and beauty
joo, a professor in the Department of Oceanography
store, Olive Young, catches people’s attention because it
at Pusan National University, explains, “As the global
ismadewithDokdodeep-seawaterandislessirritating
temperature rises, there is a risk that the methane
to the skin. How does Dokdo deep-sea water have such
cooled in the gas hydrate will melt and leak into the
nourishing minerals that help soothe the skin? Deep-sea
seawater or atmosphere.” In fact, methane gas causes a
water can only be obtained from the ocean at a certain
greenhouseeffect85timesstrongerthancarbondioxide.
depth, meaning that it is not a ubiquitous resource. The
In other words, even a very small amount of methane
seanearDokdoisthemostsuitableplacetoobtaindeep-
canrapidlyacceleratethegreenhouseeffect.Inaddition,
sea water because it is the deepest among the Korean
there is trepidation because methane gas can be lost
territorial waters. The average depth of the East Sea,
while pumping the gas hydrate above the ocean, and
whereDokdoislocated,is1,684meters,whichisdeeper,
then it will not function properly as an energy source.
comparedto44metersofthewestcoastand101meters
ProfessorJoungexpressedconcernbysaying,“Whenthe
ofthesouthcoast.
gas hydrates present in the sediments of the ocean are
Deep-sea water that is produced more than 200 meters
scraped up with a net and come up to the surface, they
belowthesurface,wherethereisnoeffectfromexternal
are exposed to high temperatures and low pressures and
influences such as wind, has three main characteristics:
becomemelted.Whenthemethanegasisvaporizedand
stability, abundant nutrition, and cleanliness. Deep-sea
releasedintotheseawateroratmosphere,thefinalamount
watercontainsabundantnutrientsbecauseorganicmatter
of methane gas obtained on the ground may not be as
such as carcasses and excrement of animals and plants
expected.” As such, due to the difficulty of mining and
livingonthesurfacesinkandturnintonutrientssuchas
using gas hydrates, the research paradigm has recently
nitrates,silicates,andphosphatesandaccumulate.Unlike
shifted to creating gas hydrates. Creating gas hydrates
surface water that is affected by rain and wind near the
involves a series of steps as follows: collecting methane
sea surface, deep-sea water is formed in a favorable
gasses in places where a lot of methane is generated,
condition of stable water temperature and high pressure.
such as animal breeding farms, and making them into
Moreover, it is scarcely affected by external factors, and
theshapeofhydrates,thenstoringthemontheseabedat
itisfreefrompollutionasaresult.Watermorethan200
a depth of 600 meters to 700 meters with a stable water
metersbeneaththeseasurfaceisclassifiedasanaphotic
temperature. At this time, when the severity of global
layer, where sunlight cannot pass through. Therefore,
warming is increasing day by day, the shift in research
the photosynthesis of living things cannot occur, and
flowtowarddevisingnewmethodstoreducegreenhouse
thus marine organisms such as phytoplankton and algae
gasses in the atmosphere based on the characteristics
cannot live there. Due to the lack of marine creatures,
of gas hydrates rather than using them as fuels is quite
various pathogens that feed on those organisms can
noteworthy.
hardly reproduce. Because of these factors, deep-sea
water contains fewer organic contaminants than surface
water. Nutrient-rich deep-sea water does not always
*Ulleung Basin: An undersea basin terrain with a depth of more than 2,000
meters,locatedinthesouthernpartofUlleungIsland.
stay below the surface. Sometimes it rises above the
surface, and this is called the Dokdo effect. The Dokdo
effect, which occurs in the sea around Dokdo, is the
phenomenon of the upwelling effect in which seawater
moves when strong winds blow and its direction moves
away from the coast, causing deep water to rise to the
10
www.theargus.org
temperature and pressure, separating the gas from the
DokdoDeep-seaWater,aValuableResourcewith
sediment, and then separating methane gas from other
ManyUses
gasses mixed together. Regarding this, Joung Dong-
The “Dokdo Toner” at the Korean health and beauty
joo, a professor in the Department of Oceanography
store, Olive Young, catches people’s attention because it
at Pusan National University, explains, “As the global
ismadewithDokdodeep-seawaterandislessirritating
temperature rises, there is a risk that the methane
to the skin. How does Dokdo deep-sea water have such
cooled in the gas hydrate will melt and leak into the
nourishing minerals that help soothe the skin? Deep-sea
seawater or atmosphere.” In fact, methane gas causes a
water can only be obtained from the ocean at a certain
greenhouseeffect85timesstrongerthancarbondioxide.
depth, meaning that it is not a ubiquitous resource. The
In other words, even a very small amount of methane
seanearDokdoisthemostsuitableplacetoobtaindeep-
canrapidlyacceleratethegreenhouseeffect.Inaddition,
sea water because it is the deepest among the Korean
there is trepidation because methane gas can be lost
territorial waters. The average depth of the East Sea,
while pumping the gas hydrate above the ocean, and
whereDokdoislocated,is1,684meters,whichisdeeper,
then it will not function properly as an energy source.
comparedto44metersofthewestcoastand101meters
ProfessorJoungexpressedconcernbysaying,“Whenthe
ofthesouthcoast.
gas hydrates present in the sediments of the ocean are
Deep-sea water that is produced more than 200 meters
scraped up with a net and come up to the surface, they
belowthesurface,wherethereisnoeffectfromexternal
are exposed to high temperatures and low pressures and
influences such as wind, has three main characteristics:
becomemelted.Whenthemethanegasisvaporizedand
stability, abundant nutrition, and cleanliness. Deep-sea
releasedintotheseawateroratmosphere,thefinalamount
watercontainsabundantnutrientsbecauseorganicmatter
of methane gas obtained on the ground may not be as
such as carcasses and excrement of animals and plants
expected.” As such, due to the difficulty of mining and
livingonthesurfacesinkandturnintonutrientssuchas
using gas hydrates, the research paradigm has recently
nitrates,silicates,andphosphatesandaccumulate.Unlike
shifted to creating gas hydrates. Creating gas hydrates
surface water that is affected by rain and wind near the
involves a series of steps as follows: collecting methane
sea surface, deep-sea water is formed in a favorable
gasses in places where a lot of methane is generated,
condition of stable water temperature and high pressure.
such as animal breeding farms, and making them into
Moreover, it is scarcely affected by external factors, and
theshapeofhydrates,thenstoringthemontheseabedat
itisfreefrompollutionasaresult.Watermorethan200
a depth of 600 meters to 700 meters with a stable water
metersbeneaththeseasurfaceisclassifiedasanaphotic
temperature. At this time, when the severity of global
layer, where sunlight cannot pass through. Therefore,
warming is increasing day by day, the shift in research
the photosynthesis of living things cannot occur, and
flowtowarddevisingnewmethodstoreducegreenhouse
thus marine organisms such as phytoplankton and algae
gasses in the atmosphere based on the characteristics
cannot live there. Due to the lack of marine creatures,
of gas hydrates rather than using them as fuels is quite
various pathogens that feed on those organisms can
noteworthy.
hardly reproduce. Because of these factors, deep-sea
water contains fewer organic contaminants than surface
water. Nutrient-rich deep-sea water does not always
*Ulleung Basin: An undersea basin terrain with a depth of more than 2,000
meters,locatedinthesouthernpartofUlleungIsland.
stay below the surface. Sometimes it rises above the
surface, and this is called the Dokdo effect. The Dokdo
effect, which occurs in the sea around Dokdo, is the
phenomenon of the upwelling effect in which seawater
moves when strong winds blow and its direction moves
away from the coast, causing deep water to rise to the
10
www.theargus.org
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