Aquifer systems extending far offshore on the U.S. Atlantic margin.

ABSTRACT: Low-salinity submarine groundwater contained within continental shelves is a global phenomenon. Mechanisms for emplacing offshore groundwater include glacial processes that drove water into exposed continental shelves during sea-level low stands and active connections to onshore hydrologic systems. While low-salinity groundwater is thought to be abundant, its distribution and volume worldwide is poorly understood due to the limited number of observations. Here we image laterally continuous aquifers extending 90 km offshore New Jersey and Martha's Vineyard, Massachusetts, on the U.S. Atlantic margin using new shallow water electromagnetic geophysical methods. Our data provide more continuous constraints on offshore groundwater than previous models and present evidence for a connection betwe

SUBMITTER: Gustafson C 

PROVIDER: S-EPMC6582133 | biostudies-literature | 2019 Jun

REPOSITORIES: biostudies-literature