Grain size data of core MD-3 in florida mangrove diebacks

Sediments were sampled at 2 cm intervals (0.5 g) to quantify sediment particle size in a laser diffraction particle size analyzer (SHIMADZU SALD 2101) at the Laboratory of...以2厘米间隔采集沉积物样品（每份0.5克），于实验室中使用激光衍射粒度分析仪（SHIMADZU SALD 2101）对沉积物粒度进行定量分析。