… periods due to climate change. During the two record heat years of 2018 and 2019, groundwater levels dropped significantly. Low groundwater levels can be … services for coastal protection Screening Tool for Water Management IPCC (2019): Special Report on the Ocean and Cryosphere in a Changing Climate Related … periods due to climate change. During the two record heat years of 2018 and 2019, groundwater levels dropped significantly. Low groundwater levels can be …