Newfoundland Flashcards
1
Q
How much freshwater do ice caps hold?
A
- 68.7% of total global supply
2
Q
What is water flow split into?
A
- Base flow
- Surface flow
3
Q
What is base flow?
A
- water that is usually available year round
- usually groundwater
4
Q
What is surface flow?
A
- water that is introduced into the cycles seasonally
- eg. Monsoon or glacial meltwater
5
Q
What is the UK Water Budget like in winter?
A
- precipitation is higher than evapotranspiration
- soil moisture is in surplus
6
Q
What is the UK Water Budget like in spring?
A
- Evapotranspiration increases above precipitation
- soil utilises excess moisture
7
Q
What is the UK Water Budget like in summer?
A
- evapotranspiration heavily outweighs precipitation
- results in soil moisture deficit
8
Q
What is the UK Water Budget like in autumn?
A
- precipitation increases as evapotranspiration decreases
- results in soil moisture recharge
9
Q
What do water budgets show?
A
- balance of precipitation and evapotranspiration
- can allow for comparisons between places or seasons
10
Q
What is Iceberg Alley?
A
- Channel near Newfoundland and Greenland
- Icebergs break off and pass through here in summer
11
Q
How are icebergs moved through Iceberg Alley?
A
- Labrador Current
- 90% of icebergs come from here as a result
12
Q
What was unusual in 2017 in Iceberg Alley?
A
- hundreds of icebergs broke off from arctic sheet ice
- normally is in the tens of thousands
13
Q
How fast do icebergs move?
A
- 17 miles/day
