Impacts of climate change Lesson 7 - LO: To understand how climate change impacts the hydrological cycle 1) Who are the players involved with climate change? ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 2) Watch the following clips and mind map your ideas. https://www.youtube.com/watch?v=O4vru59Ft3c Impacts of climate change Ways to adapt Scientists generally agree on: -Climate change will result in an intensification, acceleration or enhancement of the global hydrological system -Impacts will vary around the world with differential amounts of temperature increase and varying changes in totals and distribution of rainfall, there will be differential changes in the way the hydrological cycle operates within the world’s drainage basins. -Different impacts will be experienced in different climatic zones -Countries will have to cope with changes in water budgets, which in turn will impact how climate change is managed to secure water in the future. -Modelling climate change trends is difficult due to: Climate dynamics – The way the atmosphere, ocean, terrestrial, cryosphere and biosphere interact is only partially understood Due to teleconnections it is difficult to distinguish between the impacts of oscillations such as ENSO and climate warming Global records are very incomplete – There is no reliable evidence on trends in climate change in many parts of the world making firm predictions hard.

Summarise the possible changes brought around by climate change. ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Explain the potential impacts of climate change on the UK water cycle by 2050. _________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ _________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

Describe the impact of possible climate change around the world ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

Futures and Uncertainties Using the information on the previous page and the information from the links provided. Write notes on Floods - futures and uncertainties and Drought - Futures and uncertainties. Floods - futures and uncertainties Drought - Futures and uncertainties https://www.theverge.com/2017/5/18/15658342/flooding-sea-level-rice-melting-ice-climate-change-extreme https://www.theguardian.com/environment/2016/jul/12/uk-poorly-prepared-for-climate-change-impacts-government-advisers-warn https://www.ipcc.ch/publications_and_data/ar4/wg2/en/ch3s3-4-3.html http://www.bbc.co.uk/news/science-environment-12484314 http://www.ucsusa.org/global_warming/science_and_impacts/impacts/causes-of-drought-climate-change-connection.html#.WSNZaGqrNyc http://www.independent.co.uk/environment/climate-change-global-air-currents-drought-heatwaves-floods-global-warming-michael-mann-arctic-a7651581.html Floods - futures and uncertainties Drought - Futures and uncertainties

Will the inputs and outputs of the global hydrological cycle be changed by global warming? If so, how? (3) ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ What does ENSO stand for? (1) ___________________________________________________________________________________________ Name TWO areas where El Nino event bring above average rainfall and flooding (2) ______________________________________________________________________________________________________________________________________________________________________________________ Describe how short-term climate change threatens to diminish water supplies (4) ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Explain why forecasting possible global warming is full of uncertainties (6) ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________