elnino Flashcards
1
Q
what is elnino
A
it is a current that travel south along the west coast of south america every 4 years
2
Q
what happen during elnino
A
the surface tempertature increases this warm naturally cold water
3
Q
efeects of ellnino on maldives
A
skip jack tuna catch decreases and catch of yellow fin tuna frigate tuna and kawakawa increases
4
Q
what are the features of elnino
A
warming of sea surface in pacific ocean around the west coast of south america
lower trade winds
reduce rainfall over indonesia / austaralia
rainfall increases over tropical area
5
Q
what are gyres
A
large system of circular oceanic currents
6
Q
role of gyres
A
circulate water around the world ocean
controlling the climate
carry nutrients and food to organisms
dispersal of egg and larva
causing rain
