Why can freshwater releases upstream change conditions in Florida estuaries?
Correct answer(s):
- They alter salinity and the freshwater-saltwater balance
Topic
Florida Water & Ecosystems
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Quizzes in Florida Water & Ecosystems
What explains why two maps assign different lengths to Florida’s coastline?
Correct answer(s):
- Different spatial resolution and treatment of inlets and island shores
What spatial unit best captures the connected Everglades water system?
Correct answer(s):
- The watershed basin across jurisdictions
Which variables matter in assessing the success of Everglades water restoration?
Correct answer(s):
- Where, when and how much water moves, plus water quality
Why can changes in the Kissimmee basin affect South Florida wetlands?
Correct answer(s):
- Water pathways connect the basin, Lake Okeechobee and downstream Everglades
Which ecological variable measures how long a wetland remains inundated?
Correct answer(s):
- Hydroperiod
What combination may intensify coastal aquifer saltwater intrusion in Florida?
Correct answer(s):
- Sea-level rise and reduced freshwater hydraulic head
Why can Floridan aquifer policy require regional coordination beyond state borders?
Correct answer(s):
- The aquifer system extends into other southeastern states
How should sinkhole susceptibility be assessed in Florida?
Correct answer(s):
- With site-specific geology, groundwater and subsurface conditions
Why should coastal erosion models differ across Florida settings?
Correct answer(s):
- Barrier islands and mangrove estuaries have different structures and processes
What central trade-off appears in development of Florida wetlands?
Correct answer(s):
- Economic land use versus ecological and water-system impacts
Why are Everglades restoration decisions often complex?
Correct answer(s):
- Flood protection, agriculture and habitat needs can compete
What kind of rock units typically store water in the Floridan aquifer?
Correct answer(s):
- Permeable carbonate rocks
Which statement about the Floridan aquifer system is correct?
Correct answer(s):
- Confinement varies across locations, affecting groundwater movement
Which statement correctly connects Florida groundwater and surface water?
Correct answer(s):
- Water can move between aquifers, springs, rivers and lakes
Why can Florida’s St. Johns River flow northward?
Correct answer(s):
- Its channel follows a northward decrease in elevation
Which watershed feeds Lake Okeechobee from the north?
Correct answer(s):
- Kissimmee River watershed
What problem besides pollution can threaten a Florida aquifer?
Correct answer(s):
- Excessive groundwater withdrawals
How can saltwater intrusion affect coastal Florida communities?
Correct answer(s):
- It can reduce the usability of freshwater supplies
Why are mangroves valuable along sheltered South Florida coasts?
Correct answer(s):
- They provide habitat and help stabilize shorelines