Marsh surface elevation data from control plots in a Spartina alterniflora-dominated salt marsh at Law's Point, Rowley River, Plum Island Ecosystem (PIE) LTER, MA.

A Surface Elevation Table (SET) is used to measure changes in the elevation of the marsh platform at a Spartina alterniflora-dominated marsh on the Rowley River in the Plum Island Ecosystem (PIE) LTER site, MA.

地表高程监测台（Surface Elevation Table, SET）被用于测量马萨诸塞州普拉姆岛生态系统（Plum Island Ecosystem, PIE）长期生态研究（Long Term Ecological Research, LTER）站点罗利河沿岸以互花米草（Spartina alterniflora）为主导的潮滩的潮滩平台高程变化。