%0 Journal Article %J Hydrology and Earth System Sciences %D 2009 %T Spatial variation in soil active-layer geochemistry across hydrologic margins in polar desert ecosystems. %A John E. Barrett %A Michael N. Gooseff %A Cristina D. Takacs-Vesbach %B Hydrology and Earth System Sciences %V 13 %P 2349-2358 %G eng %R LTER