Geography: Arctic 0.0 / 5 ? GeographyCase studiesA2/A-levelAll boards Created by: NiamhSharpCreated on: 20-01-20 17:12 Location 66° 1 of 25 temp -30° to 7°C 2 of 25 growing season 50-60 days 3 of 25 rainfall up to 350mm 4 of 25 how many trees none 5 of 25 types of vegetation Arctic Poppy, juniper 6 of 25 biomass 15 tonnes/ha 7 of 25 permafrost 1600GT carbon 8 of 25 low infiltration due to frozen ground for 10 months 9 of 25 impacts of oil and gas industry North Slope oil Field, McKenzie Valley oil and gas field 10 of 25 how many barrels of oil available? 11.6bn 11 of 25 how much does melting permafrost release? 40MT CO2 and 114,000 tonnes of Methane 12 of 25 what increases rates of decomposition? thawing soil increases microbial activity 13 of 25 what creates artificial lakes? ***** mining- exposes permafrost 14 of 25 ice roads reduces localised runoff- 280miles 15 of 25 melting permafrost increased runoff and evaporation 16 of 25 how much oil waste per well 40,000m - kill birds and fish 17 of 25 how much nitrous oxide gas is produced? 50,000 tons- global warming 18 of 25 pipeline along ANWR migration of caribou 19 of 25 how many oil spills a year? 400 20 of 25 how many jobs? 110,000 21 of 25 insulated gravel pads prevent heat from being transferred to permafrost 22 of 25 refrigerated supports heat is dissipated 23 of 25 pipelines above ground reduce heat transfer- 3-6ft 24 of 25 drilling horizontally to find new oil and gas reserves 2010 749 rigs in the USA 25 of 25
Comments
No comments have yet been made