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How can sea-level rise affect low-lying Hawaiian coasts?
Correct answer(s):
- Increase coastal flooding and erosion exposure
What can trigger coral bleaching in Hawaii?
Correct answer(s):
- Prolonged heat stress in unusually warm seawater
Why is upland land management relevant to coastal freshwater supplies?
Correct answer(s):
- Watersheds connect rainfall and runoff across the landscape
Which factors help determine groundwater recharge in Hawaii?
Correct answer(s):
- Rainfall, land cover, and rock permeability
What makes flash flooding possible in a steep Hawaiian catchment?
Correct answer(s):
- Heavy rainfall can produce rapid downhill runoff
Why can Hawaiian volcanic rocks support groundwater storage?
Correct answer(s):
- Porous formations can store and transmit water
When might leeward areas receive more rainfall than usual?
Correct answer(s):
- During certain winter storm systems
Which caution is appropriate about rainfall on windward slopes?
Correct answer(s):
- Rain amounts can vary by elevation and location
Why can one Hawaiian island contain several climate environments?
Correct answer(s):
- Elevation and terrain create local differences
Why can dry vegetation occur near wet mountain forests?
Correct answer(s):
- Leeward rain-shadow conditions
What combination mainly produces orographic rainfall in Hawaii?
Correct answer(s):
- Moist prevailing winds and rising mountain terrain
What is the general relationship between elevation and air temperature in Hawaii?
Correct answer(s):
- Higher elevations tend to be cooler
Which statement is correct about Hawaiian volcanoes?
Correct answer(s):
- Not every Hawaiian volcano is currently erupting
What typically happens after lava cools to form a new rock surface?
Correct answer(s):
- Soil and vegetation can gradually develop
How can an old volcanic island become lower and smaller over time?
Correct answer(s):
- Erosion and subsidence
Which geographic pattern fits the broad ages of the main Hawaiian islands?
Correct answer(s):
- Older islands generally lie northwest of younger islands
What does the Hawaiian Ridge–Emperor Seamount Chain include besides islands?
Correct answer(s):
- Submerged extinct volcanic mountains
Why do many Hawaiian shield volcanoes have gentle slopes?
Correct answer(s):
- Their relatively fluid lava can spread over wide areas
How can a hotspot create a chain of volcanoes?
Correct answer(s):
- A moving plate carries older volcanoes away from the magma source
What geological evidence supports movement of the Pacific Plate over time?
Correct answer(s):
- Progressively older volcanoes along the Hawaiian chain