Sentences with phrase «total submarine groundwater»
However, with improving techniques, researchers recently estimated total submarine groundwater (saline and fresh water combined) discharges suggesting a rate 3 to 4 times greater than the observed global river runoff, or a volume equivalent to 331 mm / year (13 inches) of sea level rise.
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If fresh submarine groundwater discharge approaches just 7 % of the total SGD, it would not only balance current groundwater recharge, but would steadily raise sea level by an additional 2 mm / year, even if there was no ocean warming and no melting glaciers.