marine pollution

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Slide 1:

MARINE POLLUTION

Slide 2:

Marine pollution(UN definition) “The introduction by man, directly, or indirectly of Substances or energy to the marine environment resulting in deleterious effects such as: -)hazards to human health. -)hindrance to marine activities. -)impairment of quality of seawater. -)reduction of amenities.

Slide 3:

Pathways of pollution -)direct discharge. -)land runoff. -)ship pollution. -)atmospheric pollution. -)deep sea mining.

Slide 4:

Direct discharge Pollutants enter rivers and seas directly from urban sewerage. industrial waste discharges. inland mining of copper, gold, etc. soil runoff.

Slide 5:

Toxic waste come from

Slide 6:

Acid-Mine drainage

Slide 7:

Land runoff -)surface runoff from farming. -)urban runoff. -)runoff from roads. -)runoff from channels. -)runoff from ports. -)runoff from harbours .

Slide 8:

Ship pollution -)oil spills. -)discharge of cargo residues. -)intentionally discharge illegal wastes. -)loosing containers (usually due to storms ). -)noise pollution. -)water from ballast tanks.

Slide 9:

Oil spill

Slide 10:

Loosing of Containers

Slide 11:

Water from ballast tanks

Slide 12:

Atmospheric pollution -)wind blown dust. -)debris ,including plastic bags. -)climate change rising ocean temperatures. -) co 2 level increase causing acidification.

Slide 13:

Debris

Slide 14:

Acidification

Slide 15:

Eutrofication

Slide 16:

Deep sea mining -)removing parts disturbs habitat. -)leakage. -)spills. -)corrosion.