%0 Journal Article %J Global Biogeochemical Cycles %D 2000 %T Marsh nutrient export supplied by ground water discharge: Evidence from radium measurements %A Krest, J. M. %A Moore, W.S. %A Gardner, L.R. %A Morris, J.T. %K ground water %K LTER-PIE %K marsh %K nurient export %K radium %B Global Biogeochemical Cycles %V 14 %P 167-176 %G eng %M PIE41 %] NSF-LTER-PIE %R 10.1029/1999GB001197 %F Journal Article