enso Flashcards
La nina
weather pattern defined by cooling of the ocean surface along the west coast of south America
El nino
Caused when warm water from the western pacific ocean near the equator flows eastward, off the coast of south America
ENSO
El Nino southern oscillation
El ninos affects on western australia
Leeuwin Current = weaker and cooler leading to reduction in species relying on it for locomotion
el nino affects on eastern australia
Droughts
Fires
Storms
Heatwaves
Clearer skies
el nino affects on america
warm water prevents the upwelling of cold nutrient rich water
Increased rainfall and flooding
Storms
la nina’s effects on eastern australia
floods
tropical cyclones
monsoons
la nina effects on western australia
Warmer temperatures can kill marine animals and can cause coral bleaching
Stronger current brings Western Rock Lobster
la nina effects on america
Drought in southern us
dry warm weather
reduced rainfall
affects of la nina on biodiversity
Coral reef dies which decrease biodiversity on east coast
Increase in biodiversity in WA due to increase of rock lobster
Affects of el nino on biodiversity
animals lose ability to use current for transport
Loss of biodiversity due to fires
La nina affect on fishing industry
Increased temp = decreased species
Increased species who rely on current
Increased rock lobster
Decreased fish to catch due to increased water temp = less $$
El nino affect on fishing industry
Decreased rock lobster
Healthier fish population
Increased fish to catch = more $$
Process of La Nina
- trade wins blow more strongly
- more warm waters pushed towards north Australia
- warm water pools along north east Australia
- more warmer water causes more evaporation
condensation, precipitation in east Australia - the Leewin current is super charged and pushed around to western Australia
- Peruvian current upwells more cold water from Antartica to America
Process of El Nino
