Global land cover change and monitoring tools

Question 1

whats land cover

Answer 1

biophysical attributes of earths surface

- soil, concrete, grass, trees, marsh, standing water

Question 2

land use

Answer 2

suggests economic function

Question 3

policy driven change

Answer 3

councils make decisions on the basis of spatial info

Question 4

whats the environmental performance index

Answer 4

ranks and qualifies how well countries perform on high-priority environmental issues in 2 broad policy areas: protection of human health from envtl harm and protection of ecosystems

Question 5

land cover impacts on global climate change:

Answer 5

biogeochemical

biogeophysical

Question 6

what % of earth does urbanisation occupy

Answer 6

2%

Question 7

what can we do to make cities more green

Answer 7

• retrofit green cities

- grass on roofs

Question 8

benefits of green space

Answer 8

mental health improves - cheaper than NHS resources

Question 9

how many satellites in orbit now

Answer 9

over 1000

Question 10

when were the first arial sensing pictures taken and by who?

Answer 10

1858 French photographer and balloonist Nadar

Question 11

what happened in 1977

Answer 11

KH-11 military series of satellites give first near real time imagery

Question 12

whats our remote sensing like now?

Answer 12

-hyper temporal observations
-data every 15mins
-can see individual people from space
50cm resolutions from space

Question 13

products of the info we have

Answer 13

• global land cover maps
• MODIS fire- detects fires
• can predict populations
• dont know impacts just cus we know landcover
• can know how much carbon stored by forest cover